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IntelFrameworkModulePkg: Add Compatibility Support Module (CSM) drivers 

Added these drivers:
* LegacyBiosDxe
* BlockIoDxe
* KeyboardDxe
* Snp16Dxe
* VideoDxe

Signed-off-by: jljusten
Reviewed-by: mdkinney
Reviewed-by: geekboy15a

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11905 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2011-06-27 23:32:56 +00:00
parent a7a0f78bd6
commit bcecde140a
46 changed files with 30571 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

782
IntelFrameworkModulePkg/Csm/BiosThunk/BlockIoDxe/BiosBlkIo.c Normal file
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/** @file
EFI glue for BIOS INT 13h block devices.
This file is coded to EDD 3.0 as defined by T13 D1386 Revision 4
Availible on http://www.t13.org/#Project drafts
Currently at ftp://fission.dt.wdc.com/pub/standards/x3t13/project/d1386r4.pdf
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BiosBlkIo.h"
//
// Global data declaration
//
//
// EFI Driver Binding Protocol Instance
//
EFI_DRIVER_BINDING_PROTOCOL gBiosBlockIoDriverBinding = {
BiosBlockIoDriverBindingSupported,
BiosBlockIoDriverBindingStart,
BiosBlockIoDriverBindingStop,
0x3,
NULL,
NULL
};
//
// Semaphore to control access to global variables mActiveInstances and mBufferUnder1Mb
//
EFI_LOCK mGlobalDataLock = EFI_INITIALIZE_LOCK_VARIABLE(TPL_APPLICATION);
//
// Number of active instances of this protocol. This is used to allocate/free
// the shared buffer. You must acquire the semaphore to modify.
//
UINTN mActiveInstances = 0;
//
// Pointer to the beginning of the buffer used for real mode thunk
// You must acquire the semaphore to modify.
//
EFI_PHYSICAL_ADDRESS mBufferUnder1Mb = 0;
//
// Address packet is a buffer under 1 MB for all version EDD calls
//
EDD_DEVICE_ADDRESS_PACKET *mEddBufferUnder1Mb;
//
// This is a buffer for INT 13h func 48 information
//
BIOS_LEGACY_DRIVE *mLegacyDriverUnder1Mb;
//
// Buffer of 0xFE00 bytes for EDD 1.1 transfer must be under 1 MB
// 0xFE00 bytes is the max transfer size supported.
//
VOID *mEdd11Buffer;
EFI_GUID mUnknownDevGuid = UNKNOWN_DEVICE_GUID;
/**
Driver entry point.
@param ImageHandle Handle of driver image.
@param SystemTable Pointer to system table.
@retval EFI_SUCCESS Entrypoint successfully executed.
@retval Others Fail to execute entrypoint.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Install protocols
//
Status = EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gBiosBlockIoDriverBinding,
ImageHandle,
&gBiosBlockIoComponentName,
&gBiosBlockIoComponentName2
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Install Legacy BIOS GUID to mark this driver as a BIOS Thunk Driver
//
return gBS->InstallMultipleProtocolInterfaces (
&ImageHandle,
&gEfiLegacyBiosGuid,
NULL,
NULL
);
}
/**
Check whether the driver supports this device.
@param This The Udriver binding protocol.
@param Controller The controller handle to check.
@param RemainingDevicePath The remaining device path.
@retval EFI_SUCCESS The driver supports this controller.
@retval other This device isn't supported.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
PCI_TYPE00 Pci;
//
// See if the Legacy BIOS Protocol is available
//
Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
//
// Open the IO Abstraction(s) needed to perform the supported test
//
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// See if this is a PCI VGA Controller by looking at the Command register and
// Class Code Register
//
Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, sizeof (Pci) / sizeof (UINT32), &Pci);
if (EFI_ERROR (Status)) {
Status = EFI_UNSUPPORTED;
goto Done;
}
Status = EFI_UNSUPPORTED;
if (Pci.Hdr.ClassCode[2] == PCI_CLASS_MASS_STORAGE ||
(Pci.Hdr.ClassCode[2] == PCI_BASE_CLASS_INTELLIGENT && Pci.Hdr.ClassCode[1] == PCI_SUB_CLASS_INTELLIGENT)
) {
Status = EFI_SUCCESS;
}
Done:
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
/**
Starts the device with this driver.
@param This The driver binding instance.
@param Controller Handle of device to bind driver to.
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS The controller is controlled by the driver.
@retval Other This controller cannot be started.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT8 DiskStart;
UINT8 DiskEnd;
BIOS_BLOCK_IO_DEV *BiosBlockIoPrivate;
EFI_DEVICE_PATH_PROTOCOL *PciDevPath;
UINTN Index;
UINTN Flags;
UINTN TmpAddress;
BOOLEAN DeviceEnable;
//
// Initialize variables
//
PciIo = NULL;
PciDevPath = NULL;
DeviceEnable = FALSE;
//
// See if the Legacy BIOS Protocol is available
//
Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Open the IO Abstraction(s) needed
//
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
goto Error;
}
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &PciDevPath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Enable the device and make sure VGA cycles are being forwarded to this VGA device
//
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationEnable,
EFI_PCI_DEVICE_ENABLE,
NULL
);
if (EFI_ERROR (Status)) {
goto Error;
}
DeviceEnable = TRUE;
//
// Check to see if there is a legacy option ROM image associated with this PCI device
//
Status = LegacyBios->CheckPciRom (
LegacyBios,
Controller,
NULL,
NULL,
&Flags
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Post the legacy option ROM if it is available.
//
Status = LegacyBios->InstallPciRom (
LegacyBios,
Controller,
NULL,
&Flags,
&DiskStart,
&DiskEnd,
NULL,
NULL
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// All instances share a buffer under 1MB to put real mode thunk code in
// If it has not been allocated, then we allocate it.
//
if (mBufferUnder1Mb == 0) {
//
// Should only be here if there are no active instances
//
ASSERT (mActiveInstances == 0);
//
// Acquire the lock
//
EfiAcquireLock (&mGlobalDataLock);
//
// Allocate below 1MB
//
mBufferUnder1Mb = 0x00000000000FFFFF;
Status = gBS->AllocatePages (AllocateMaxAddress, EfiBootServicesData, BLOCK_IO_BUFFER_PAGE_SIZE, &mBufferUnder1Mb);
//
// Release the lock
//
EfiReleaseLock (&mGlobalDataLock);
//
// Check memory allocation success
//
if (EFI_ERROR (Status)) {
//
// In checked builds we want to assert if the allocate failed.
//
ASSERT_EFI_ERROR (Status);
Status = EFI_OUT_OF_RESOURCES;
mBufferUnder1Mb = 0;
goto Error;
}
TmpAddress = (UINTN) mBufferUnder1Mb;
//
// Adjusting the value to be on proper boundary
//
mEdd11Buffer = (VOID *) ALIGN_VARIABLE (TmpAddress);
TmpAddress = (UINTN) mEdd11Buffer + MAX_EDD11_XFER;
//
// Adjusting the value to be on proper boundary
//
mLegacyDriverUnder1Mb = (BIOS_LEGACY_DRIVE *) ALIGN_VARIABLE (TmpAddress);
TmpAddress = (UINTN) mLegacyDriverUnder1Mb + sizeof (BIOS_LEGACY_DRIVE);
//
// Adjusting the value to be on proper boundary
//
mEddBufferUnder1Mb = (EDD_DEVICE_ADDRESS_PACKET *) ALIGN_VARIABLE (TmpAddress);
}
//
// Allocate the private device structure for each disk
//
for (Index = DiskStart; Index < DiskEnd; Index++) {
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (BIOS_BLOCK_IO_DEV),
(VOID **) &BiosBlockIoPrivate
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Zero the private device structure
//
ZeroMem (BiosBlockIoPrivate, sizeof (BIOS_BLOCK_IO_DEV));
//
// Initialize the private device structure
//
BiosBlockIoPrivate->Signature = BIOS_CONSOLE_BLOCK_IO_DEV_SIGNATURE;
BiosBlockIoPrivate->ControllerHandle = Controller;
BiosBlockIoPrivate->LegacyBios = LegacyBios;
BiosBlockIoPrivate->PciIo = PciIo;
BiosBlockIoPrivate->Bios.Floppy = FALSE;
BiosBlockIoPrivate->Bios.Number = (UINT8) Index;
BiosBlockIoPrivate->Bios.Letter = (UINT8) (Index - 0x80 + 'C');
BiosBlockIoPrivate->BlockMedia.RemovableMedia = FALSE;
if (BiosInitBlockIo (BiosBlockIoPrivate)) {
SetBiosInitBlockIoDevicePath (PciDevPath, &BiosBlockIoPrivate->Bios, &BiosBlockIoPrivate->DevicePath);
//
// Install the Block Io Protocol onto a new child handle
//
Status = gBS->InstallMultipleProtocolInterfaces (
&BiosBlockIoPrivate->Handle,
&gEfiBlockIoProtocolGuid,
&BiosBlockIoPrivate->BlockIo,
&gEfiDevicePathProtocolGuid,
BiosBlockIoPrivate->DevicePath,
NULL
);
if (EFI_ERROR (Status)) {
gBS->FreePool (BiosBlockIoPrivate);
}
//
// Open For Child Device
//
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &BiosBlockIoPrivate->PciIo,
This->DriverBindingHandle,
BiosBlockIoPrivate->Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
} else {
gBS->FreePool (BiosBlockIoPrivate);
}
}
Error:
if (EFI_ERROR (Status)) {
if (PciIo != NULL) {
if (DeviceEnable) {
PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationDisable,
EFI_PCI_DEVICE_ENABLE,
NULL
);
}
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
if (PciDevPath != NULL) {
gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if (mBufferUnder1Mb != 0 && mActiveInstances == 0) {
gBS->FreePages (mBufferUnder1Mb, BLOCK_IO_BUFFER_PAGE_SIZE);
//
// Clear the buffer back to 0
//
EfiAcquireLock (&mGlobalDataLock);
mBufferUnder1Mb = 0;
EfiReleaseLock (&mGlobalDataLock);
}
}
} else {
//
// Successfully installed, so increment the number of active instances
//
EfiAcquireLock (&mGlobalDataLock);
mActiveInstances++;
EfiReleaseLock (&mGlobalDataLock);
}
return Status;
}
/**
Stop the device handled by this driver.
@param This The driver binding protocol.
@param Controller The controller to release.
@param NumberOfChildren The number of handles in ChildHandleBuffer.
@param ChildHandleBuffer The array of child handle.
@retval EFI_SUCCESS The device was stopped.
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
@retval Others Fail to uninstall protocols attached on the device.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_STATUS Status;
BOOLEAN AllChildrenStopped;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
BIOS_BLOCK_IO_DEV *BiosBlockIoPrivate;
UINTN Index;
//
// Decrement the number of active instances
//
if (mActiveInstances != 0) {
//
// Add a check since the stop function will be called 2 times for each handle
//
EfiAcquireLock (&mGlobalDataLock);
mActiveInstances--;
EfiReleaseLock (&mGlobalDataLock);
}
if ((mActiveInstances == 0) && (mBufferUnder1Mb != 0)) {
//
// Free our global buffer
//
Status = gBS->FreePages (mBufferUnder1Mb, BLOCK_IO_BUFFER_PAGE_SIZE);
ASSERT_EFI_ERROR (Status);
EfiAcquireLock (&mGlobalDataLock);
mBufferUnder1Mb = 0;
EfiReleaseLock (&mGlobalDataLock);
}
AllChildrenStopped = TRUE;
for (Index = 0; Index < NumberOfChildren; Index++) {
Status = gBS->OpenProtocol (
ChildHandleBuffer[Index],
&gEfiBlockIoProtocolGuid,
(VOID **) &BlockIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
BiosBlockIoPrivate = BIOS_BLOCK_IO_FROM_THIS (BlockIo);
//
// Release PCI I/O and Block IO Protocols on the clild handle.
//
Status = gBS->UninstallMultipleProtocolInterfaces (
ChildHandleBuffer[Index],
&gEfiBlockIoProtocolGuid,
&BiosBlockIoPrivate->BlockIo,
&gEfiDevicePathProtocolGuid,
BiosBlockIoPrivate->DevicePath,
NULL
);
if (EFI_ERROR (Status)) {
AllChildrenStopped = FALSE;
}
//
// Shutdown the hardware
//
BiosBlockIoPrivate->PciIo->Attributes (
BiosBlockIoPrivate->PciIo,
EfiPciIoAttributeOperationDisable,
EFI_PCI_DEVICE_ENABLE,
NULL
);
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
ChildHandleBuffer[Index]
);
gBS->FreePool (BiosBlockIoPrivate);
}
if (!AllChildrenStopped) {
return EFI_DEVICE_ERROR;
}
Status = gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
Status = gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return EFI_SUCCESS;
}
/**
Build device path for device.
@param BaseDevicePath Base device path.
@param Drive Legacy drive.
@param DevicePath Device path for output.
**/
VOID
SetBiosInitBlockIoDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *BaseDevicePath,
IN BIOS_LEGACY_DRIVE *Drive,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
EFI_STATUS Status;
UNKNOWN_DEVICE_VENDOR_DEVICE_PATH VendorNode;
Status = EFI_UNSUPPORTED;
//
// BugBug: Check for memory leaks!
//
if (Drive->EddVersion == EDD_VERSION_30) {
//
// EDD 3.0 case.
//
Status = BuildEdd30DevicePath (BaseDevicePath, Drive, DevicePath);
}
if (EFI_ERROR (Status)) {
//
// EDD 1.1 device case or it is unrecognized EDD 3.0 device
//
ZeroMem (&VendorNode, sizeof (VendorNode));
VendorNode.DevicePath.Header.Type = HARDWARE_DEVICE_PATH;
VendorNode.DevicePath.Header.SubType = HW_VENDOR_DP;
SetDevicePathNodeLength (&VendorNode.DevicePath.Header, sizeof (VendorNode));
CopyMem (&VendorNode.DevicePath.Guid, &mUnknownDevGuid, sizeof (EFI_GUID));
VendorNode.LegacyDriveLetter = Drive->Number;
*DevicePath = AppendDevicePathNode (BaseDevicePath, &VendorNode.DevicePath.Header);
}
}
/**
Build device path for EDD 3.0.
@param BaseDevicePath Base device path.
@param Drive Legacy drive.
@param DevicePath Device path for output.
@retval EFI_SUCCESS The device path is built successfully.
@retval EFI_UNSUPPORTED It is failed to built device path.
**/
EFI_STATUS
BuildEdd30DevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *BaseDevicePath,
IN BIOS_LEGACY_DRIVE *Drive,
IN EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
//
// AVL UINT64 Address;
// AVL EFI_HANDLE Handle;
//
EFI_DEV_PATH Node;
UINT32 Controller;
Controller = (UINT32) Drive->Parameters.InterfacePath.Pci.Controller;
ZeroMem (&Node, sizeof (Node));
if ((AsciiStrnCmp ("ATAPI", Drive->Parameters.InterfaceType, 5) == 0) ||
(AsciiStrnCmp ("ATA", Drive->Parameters.InterfaceType, 3) == 0)
) {
//
// ATA or ATAPI drive found
//
Node.Atapi.Header.Type = MESSAGING_DEVICE_PATH;
Node.Atapi.Header.SubType = MSG_ATAPI_DP;
SetDevicePathNodeLength (&Node.Atapi.Header, sizeof (ATAPI_DEVICE_PATH));
Node.Atapi.SlaveMaster = Drive->Parameters.DevicePath.Atapi.Master;
Node.Atapi.Lun = Drive->Parameters.DevicePath.Atapi.Lun;
Node.Atapi.PrimarySecondary = (UINT8) Controller;
} else {
//
// Not an ATA/ATAPI drive
//
if (Controller != 0) {
ZeroMem (&Node, sizeof (Node));
Node.Controller.Header.Type = HARDWARE_DEVICE_PATH;
Node.Controller.Header.SubType = HW_CONTROLLER_DP;
SetDevicePathNodeLength (&Node.Controller.Header, sizeof (CONTROLLER_DEVICE_PATH));
Node.Controller.ControllerNumber = Controller;
*DevicePath = AppendDevicePathNode (*DevicePath, &Node.DevPath);
}
ZeroMem (&Node, sizeof (Node));
if (AsciiStrnCmp ("SCSI", Drive->Parameters.InterfaceType, 4) == 0) {
//
// SCSI drive
//
Node.Scsi.Header.Type = MESSAGING_DEVICE_PATH;
Node.Scsi.Header.SubType = MSG_SCSI_DP;
SetDevicePathNodeLength (&Node.Scsi.Header, sizeof (SCSI_DEVICE_PATH));
//
// Lun is miss aligned in both EDD and Device Path data structures.
// thus we do a byte copy, to prevent alignment traps on IA-64.
//
CopyMem (&Node.Scsi.Lun, &Drive->Parameters.DevicePath.Scsi.Lun, sizeof (UINT16));
Node.Scsi.Pun = Drive->Parameters.DevicePath.Scsi.Pun;
} else if (AsciiStrnCmp ("USB", Drive->Parameters.InterfaceType, 3) == 0) {
//
// USB drive
//
Node.Usb.Header.Type = MESSAGING_DEVICE_PATH;
Node.Usb.Header.SubType = MSG_USB_DP;
SetDevicePathNodeLength (&Node.Usb.Header, sizeof (USB_DEVICE_PATH));
Node.Usb.ParentPortNumber = (UINT8) Drive->Parameters.DevicePath.Usb.Reserved;
} else if (AsciiStrnCmp ("1394", Drive->Parameters.InterfaceType, 4) == 0) {
//
// 1394 drive
//
Node.F1394.Header.Type = MESSAGING_DEVICE_PATH;
Node.F1394.Header.SubType = MSG_1394_DP;
SetDevicePathNodeLength (&Node.F1394.Header, sizeof (F1394_DEVICE_PATH));
Node.F1394.Guid = Drive->Parameters.DevicePath.FireWire.Guid;
} else if (AsciiStrnCmp ("FIBRE", Drive->Parameters.InterfaceType, 5) == 0) {
//
// Fibre drive
//
Node.FibreChannel.Header.Type = MESSAGING_DEVICE_PATH;
Node.FibreChannel.Header.SubType = MSG_FIBRECHANNEL_DP;
SetDevicePathNodeLength (&Node.FibreChannel.Header, sizeof (FIBRECHANNEL_DEVICE_PATH));
Node.FibreChannel.WWN = Drive->Parameters.DevicePath.FibreChannel.Wwn;
Node.FibreChannel.Lun = Drive->Parameters.DevicePath.FibreChannel.Lun;
} else {
DEBUG (
(
DEBUG_BLKIO, "It is unrecognized EDD 3.0 device, Drive Number = %x, InterfaceType = %s\n",
Drive->Number,
Drive->Parameters.InterfaceType
)
);
}
}
if (Node.DevPath.Type == 0) {
return EFI_UNSUPPORTED;
}
*DevicePath = AppendDevicePathNode (BaseDevicePath, &Node.DevPath);
return EFI_SUCCESS;
}

439
IntelFrameworkModulePkg/Csm/BiosThunk/BlockIoDxe/BiosBlkIo.h Normal file
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/** @file
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _BIOS_BLOCK_IO_H_
#define _BIOS_BLOCK_IO_H_
#include <Uefi.h>
#include <Protocol/BlockIo.h>
#include <Protocol/PciIo.h>
#include <Protocol/LegacyBios.h>
#include <Protocol/DevicePath.h>
#include <Guid/LegacyBios.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <IndustryStandard/Pci.h>
#include "Edd.h"
#define UNKNOWN_DEVICE_GUID \
{ 0xcf31fac5, 0xc24e, 0x11d2, {0x85, 0xf3, 0x0, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} }
typedef struct {
VENDOR_DEVICE_PATH DevicePath;
UINT8 LegacyDriveLetter;
} UNKNOWN_DEVICE_VENDOR_DEVICE_PATH;
//
// Global Variables
//
extern EFI_COMPONENT_NAME_PROTOCOL gBiosBlockIoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gBiosBlockIoComponentName2;
//
// Define the I2O class code
//
#define PCI_BASE_CLASS_INTELLIGENT 0x0e
#define PCI_SUB_CLASS_INTELLIGENT 0x00
//
// Number of pages needed for our buffer under 1MB
//
#define BLOCK_IO_BUFFER_PAGE_SIZE (((sizeof (EDD_DEVICE_ADDRESS_PACKET) + sizeof (BIOS_LEGACY_DRIVE) + MAX_EDD11_XFER) / EFI_PAGE_SIZE) + 1 \
)
//
// Driver Binding Protocol functions
//
/**
Check whether the driver supports this device.
@param This The Udriver binding protocol.
@param Controller The controller handle to check.
@param RemainingDevicePath The remaining device path.
@retval EFI_SUCCESS The driver supports this controller.
@retval other This device isn't supported.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Starts the device with this driver.
@param This The driver binding instance.
@param Controller Handle of device to bind driver to.
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS The controller is controlled by the driver.
@retval Other This controller cannot be started.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop the device handled by this driver.
@param This The driver binding protocol.
@param Controller The controller to release.
@param NumberOfChildren The number of handles in ChildHandleBuffer.
@param ChildHandleBuffer The array of child handle.
@retval EFI_SUCCESS The device was stopped.
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
@retval Others Fail to uninstall protocols attached on the device.
**/
EFI_STATUS
EFIAPI
BiosBlockIoDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// Other internal functions
//
/**
Build device path for EDD 3.0.
@param BaseDevicePath Base device path.
@param Drive Legacy drive.
@param DevicePath Device path for output.
@retval EFI_SUCCESS The device path is built successfully.
@retval EFI_UNSUPPORTED It is failed to built device path.
**/
EFI_STATUS
BuildEdd30DevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *BaseDevicePath,
IN BIOS_LEGACY_DRIVE *Drive,
IN EFI_DEVICE_PATH_PROTOCOL **DevicePath
);
/**
Initialize block I/O device instance
@param Dev Instance of block I/O device instance
@retval TRUE Initialization succeeds.
@retval FALSE Initialization fails.
**/
BOOLEAN
BiosInitBlockIo (
IN BIOS_BLOCK_IO_DEV *Dev
);
/**
Read BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer A pointer to the destination buffer for the data. The caller is
responsible for either having implicit or explicit ownership of the buffer.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
Edd30BiosReadBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Write BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId The media ID that the write request is for.
@param Lba The starting logical block address to be written. The caller is
responsible for writing to only legitimate locations.
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer A pointer to the source buffer for the data.
@retval EFI_SUCCESS The data was written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be written to.
@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
Edd30BiosWriteBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Flush the Block Device.
@param This Indicates a pointer to the calling context.
@retval EFI_SUCCESS All outstanding data was written to the device
@retval EFI_DEVICE_ERROR The device reported an error while writting back the data
@retval EFI_NO_MEDIA There is no media in the device.
**/
EFI_STATUS
EFIAPI
BiosBlockIoFlushBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This
);
/**
Reset the Block Device.
@param This Indicates a pointer to the calling context.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
not be reset.
**/
EFI_STATUS
EFIAPI
BiosBlockIoReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Read BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer A pointer to the destination buffer for the data. The caller is
responsible for either having implicit or explicit ownership of the buffer.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
Edd11BiosReadBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Write BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId The media ID that the write request is for.
@param Lba The starting logical block address to be written. The caller is
responsible for writing to only legitimate locations.
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer A pointer to the source buffer for the data.
@retval EFI_SUCCESS The data was written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be written to.
@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
Edd11BiosWriteBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Read BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer A pointer to the destination buffer for the data. The caller is
responsible for either having implicit or explicit ownership of the buffer.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
BiosReadLegacyDrive (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Write BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId The media ID that the write request is for.
@param Lba The starting logical block address to be written. The caller is
responsible for writing to only legitimate locations.
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer A pointer to the source buffer for the data.
@retval EFI_SUCCESS The data was written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be written to.
@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
BiosWriteLegacyDrive (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Gets parameters of block I/O device.
@param BiosBlockIoDev Instance of block I/O device.
@param Drive Legacy drive.
@return Result of device parameter retrieval.
**/
UINTN
Int13GetDeviceParameters (
IN BIOS_BLOCK_IO_DEV *BiosBlockIoDev,
IN BIOS_LEGACY_DRIVE *Drive
);
/**
Extension of INT13 call.
@param BiosBlockIoDev Instance of block I/O device.
@param Drive Legacy drive.
@return Result of this extension.
**/
UINTN
Int13Extensions (
IN BIOS_BLOCK_IO_DEV *BiosBlockIoDev,
IN BIOS_LEGACY_DRIVE *Drive
);
/**
Gets parameters of legacy drive.
@param BiosBlockIoDev Instance of block I/O device.
@param Drive Legacy drive.
@return Result of drive parameter retrieval.
**/
UINTN
GetDriveParameters (
IN BIOS_BLOCK_IO_DEV *BiosBlockIoDev,
IN BIOS_LEGACY_DRIVE *Drive
);
/**
Build device path for device.
@param BaseDevicePath Base device path.
@param Drive Legacy drive.
@param DevicePath Device path for output.
**/
VOID
SetBiosInitBlockIoDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *BaseDevicePath,
IN BIOS_LEGACY_DRIVE *Drive,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
);
#endif

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IntelFrameworkModulePkg/Csm/BiosThunk/BlockIoDxe/BlockIoDxe.inf Normal file
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## @file
# Component description file for BIOS Block IO module.
#
# Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = BlockIoDxe
FILE_GUID = 4495E47E-42A9-4007-8c17-B6664F909D04
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = BiosBlockIoDriverEntryPoint
[Sources]
BiosBlkIo.h
Edd.h
BiosBlkIo.c
BiosInt13.c
ComponentName.c
[LibraryClasses]
UefiDriverEntryPoint
DebugLib
BaseMemoryLib
UefiBootServicesTableLib
UefiLib
DevicePathLib
MemoryAllocationLib
[Protocols]
gEfiBlockIoProtocolGuid
gEfiDevicePathProtocolGuid
gEfiPciIoProtocolGuid
gEfiLegacyBiosProtocolGuid
[Guids]
gEfiLegacyBiosGuid
[Packages]
MdePkg/MdePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec

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/** @file
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BiosBlkIo.h"
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosBlockIoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosBlockIoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gBiosBlockIoComponentName = {
BiosBlockIoComponentNameGetDriverName,
BiosBlockIoComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gBiosBlockIoComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) BiosBlockIoComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) BiosBlockIoComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mBiosBlockIoDriverNameTable[] = {
{
"eng;en",
L"BIOS[INT13] Block Io Driver"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosBlockIoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mBiosBlockIoDriverNameTable,
DriverName,
(BOOLEAN)(This == &gBiosBlockIoComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosBlockIoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
}

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/** @file
Include file to suport EDD 3.0.
This file is coded to T13 D1386 Revision 3
Availible on http://www.t13.org/#Project drafts
Currently at ftp://fission.dt.wdc.com/pub/standards/x3t13/project/d1386r3.pdf
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _EDD_H_
#define _EDD_H_
//
// packing with no compiler padding, so that the fields
// of the following architected structures can be
// properly accessed from C code.
//
#pragma pack(1)
typedef struct {
UINT8 Bus;
UINT8 Device;
UINT8 Function;
UINT8 Controller;
UINT32 Reserved;
} EDD_PCI;
typedef struct {
UINT16 Base;
UINT16 Reserved;
UINT32 Reserved2;
} EDD_LEGACY;
typedef union {
EDD_PCI Pci;
EDD_LEGACY Legacy;
} EDD_INTERFACE_PATH;
typedef struct {
UINT8 Master;
UINT8 Reserved[15];
} EDD_ATA;
typedef struct {
UINT8 Master;
UINT8 Lun;
UINT8 Reserved[14];
} EDD_ATAPI;
typedef struct {
UINT16 Pun;
UINT64 Lun;
UINT8 Reserved[6];
} EDD_SCSI;
typedef struct {
UINT64 SerialNumber;
UINT64 Reserved;
} EDD_USB;
typedef struct {
UINT64 Guid;
UINT64 Reserved;
} EDD_1394;
typedef struct {
UINT64 Wwn;
UINT64 Lun;
} EDD_FIBRE;
typedef union {
EDD_ATA Ata;
EDD_ATAPI Atapi;
EDD_SCSI Scsi;
EDD_USB Usb;
EDD_1394 FireWire;
EDD_FIBRE FibreChannel;
} EDD_DEVICE_PATH;
typedef struct {
UINT16 StructureSize;
UINT16 Flags;
UINT32 MaxCylinders;
UINT32 MaxHeads;
UINT32 SectorsPerTrack;
UINT64 PhysicalSectors;
UINT16 BytesPerSector;
UINT32 Fdpt;
UINT16 Key;
UINT8 DevicePathLength;
UINT8 Reserved1;
UINT16 Reserved2;
CHAR8 HostBusType[4];
CHAR8 InterfaceType[8];
EDD_INTERFACE_PATH InterfacePath;
EDD_DEVICE_PATH DevicePath;
UINT8 Reserved3;
UINT8 Checksum;
} EDD_DRIVE_PARAMETERS;
//
// EDD_DRIVE_PARAMETERS.Flags defines
//
#define EDD_GEOMETRY_VALID 0x02
#define EDD_DEVICE_REMOVABLE 0x04
#define EDD_WRITE_VERIFY_SUPPORTED 0x08
#define EDD_DEVICE_CHANGE 0x10
#define EDD_DEVICE_LOCKABLE 0x20
//
// BUGBUG: This bit does not follow the spec. It tends to be always set
// to work properly with Win98.
//
#define EDD_DEVICE_GEOMETRY_MAX 0x40
typedef struct {
UINT8 PacketSizeInBytes; // 0x18
UINT8 Zero;
UINT8 NumberOfBlocks; // Max 0x7f
UINT8 Zero2;
UINT32 SegOffset;
UINT64 Lba;
UINT64 TransferBuffer;
UINT32 ExtendedBlockCount; // Max 0xffffffff
UINT32 Zero3;
} EDD_DEVICE_ADDRESS_PACKET;
#define EDD_VERSION_30 0x30
//
// Int 13 BIOS Errors
//
#define BIOS_PASS 0x00
#define BIOS_WRITE_PROTECTED 0x03
#define BIOS_SECTOR_NOT_FOUND 0x04
#define BIOS_RESET_FAILED 0x05
#define BIOS_DISK_CHANGED 0x06
#define BIOS_DRIVE_DOES_NOT_EXIST 0x07
#define BIOS_DMA_ERROR 0x08
#define BIOS_DATA_BOUNDRY_ERROR 0x09
#define BIOS_BAD_SECTOR 0x0a
#define BIOS_BAD_TRACK 0x0b
#define BIOS_MEADIA_TYPE_NOT_FOUND 0x0c
#define BIOS_INVALED_FORMAT 0x0d
#define BIOS_ECC_ERROR 0x10
#define BIOS_ECC_CORRECTED_ERROR 0x11
#define BIOS_HARD_DRIVE_FAILURE 0x20
#define BIOS_SEEK_FAILED 0x40
#define BIOS_DRIVE_TIMEOUT 0x80
#define BIOS_DRIVE_NOT_READY 0xaa
#define BIOS_UNDEFINED_ERROR 0xbb
#define BIOS_WRITE_FAULT 0xcc
#define BIOS_SENSE_FAILED 0xff
#define MAX_EDD11_XFER 0xfe00
#pragma pack()
//
// Internal Data Structures
//
typedef struct {
CHAR8 Letter;
UINT8 Number;
UINT8 EddVersion;
BOOLEAN ExtendedInt13;
BOOLEAN DriveLockingAndEjecting;
BOOLEAN Edd;
BOOLEAN Extensions64Bit;
BOOLEAN ParametersValid;
UINT8 ErrorCode;
VOID *FdptPointer;
BOOLEAN Floppy;
BOOLEAN AtapiFloppy;
UINT8 MaxHead;
UINT8 MaxSector;
UINT16 MaxCylinder;
UINT16 Pad;
EDD_DRIVE_PARAMETERS Parameters;
} BIOS_LEGACY_DRIVE;
#define BIOS_CONSOLE_BLOCK_IO_DEV_SIGNATURE SIGNATURE_32 ('b', 'b', 'i', 'o')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_HANDLE ControllerHandle;
EFI_BLOCK_IO_PROTOCOL BlockIo;
EFI_BLOCK_IO_MEDIA BlockMedia;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
BIOS_LEGACY_DRIVE Bios;
} BIOS_BLOCK_IO_DEV;
#define BIOS_BLOCK_IO_FROM_THIS(a) CR (a, BIOS_BLOCK_IO_DEV, BlockIo, BIOS_CONSOLE_BLOCK_IO_DEV_SIGNATURE)
#endif

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/** @file
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _BIOS_KEYBOARD_H_
#define _BIOS_KEYBOARD_H_
#include <FrameworkDxe.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/SimpleTextInEx.h>
#include <Protocol/LegacyBios.h>
#include <Protocol/IsaIo.h>
#include <Protocol/DevicePath.h>
#include <Protocol/Ps2Policy.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseLib.h>
//
// Driver Binding Externs
//
extern EFI_DRIVER_BINDING_PROTOCOL gBiosKeyboardDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gBiosKeyboardComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gBiosKeyboardComponentName2;
#include <IndustryStandard/Pci.h>
//
// BISO Keyboard Defines
//
#define CHAR_SCANCODE 0xe0
#define CHAR_ESC 0x1b
#define KEYBOARD_8042_DATA_REGISTER 0x60
#define KEYBOARD_8042_STATUS_REGISTER 0x64
#define KEYBOARD_8042_COMMAND_REGISTER 0x64
#define KEYBOARD_TIMEOUT 65536 // 0.07s
#define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
#define KEYBOARD_BAT_TIMEOUT 4000000 // 4s
#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
// KEYBOARD COMMAND BYTE -- read by writing command KBC_CMDREG_VIA64_CMDBYTE_R to 64H, then read from 60H
// write by wrting command KBC_CMDREG_VIA64_CMDBYTE_W to 64H, then write to 60H
// 7: Reserved
// 6: PC/XT translation mode convert
// 5: Disable Auxiliary device interface
// 4: Disable keyboard interface
// 3: Reserved
// 2: System Flag: selftest successful
// 1: Enable Auxiliary device interrupt
// 0: Enable Keyboard interrupt )
//
#define KB_CMMBYTE_KSCAN2UNI_COV (0x1 << 6)
#define KB_CMMBYTE_DISABLE_AUX (0x1 << 5)
#define KB_CMMBYTE_DISABLE_KB (0x1 << 4)
#define KB_CMMBYTE_SLFTEST_SUCC (0x1 << 2)
#define KB_CMMBYTE_ENABLE_AUXINT (0x1 << 1)
#define KB_CMMBYTE_ENABLE_KBINT (0x1 << 0)
//
// KEYBOARD CONTROLLER STATUS REGISTER - read from 64h
// 7: Parity error
// 6: General time out
// 5: Output buffer holds data for AUX
// 4: Keyboard is not locked
// 3: Command written via 64h / Data written via 60h
// 2: KBC self-test successful / Power-on reset
// 1: Input buffer holds CPU data / empty
// 0: Output buffer holds keyboard data / empty
//
#define KBC_STSREG_VIA64_PARE (0x1 << 7)
#define KBC_STSREG_VIA64_TIM (0x1 << 6)
#define KBC_STSREG_VIA64_AUXB (0x1 << 5)
#define KBC_STSREG_VIA64_KEYL (0x1 << 4)
#define KBC_STSREG_VIA64_C_D (0x1 << 3)
#define KBC_STSREG_VIA64_SYSF (0x1 << 2)
#define KBC_STSREG_VIA64_INPB (0x1 << 1)
#define KBC_STSREG_VIA64_OUTB (0x1 << 0)
//
// COMMANDs of KEYBOARD CONTROLLER COMMAND REGISTER - write to 64h
//
#define KBC_CMDREG_VIA64_CMDBYTE_R 0x20
#define KBC_CMDREG_VIA64_CMDBYTE_W 0x60
#define KBC_CMDREG_VIA64_AUX_DISABLE 0xA7
#define KBC_CMDREG_VIA64_AUX_ENABLE 0xA8
#define KBC_CMDREG_VIA64_KBC_SLFTEST 0xAA
#define KBC_CMDREG_VIA64_KB_CKECK 0xAB
#define KBC_CMDREG_VIA64_KB_DISABLE 0xAD
#define KBC_CMDREG_VIA64_KB_ENABLE 0xAE
#define KBC_CMDREG_VIA64_INTP_LOW_R 0xC0
#define KBC_CMDREG_VIA64_INTP_HIGH_R 0xC2
#define KBC_CMDREG_VIA64_OUTP_R 0xD0
#define KBC_CMDREG_VIA64_OUTP_W 0xD1
#define KBC_CMDREG_VIA64_OUTB_KB_W 0xD2
#define KBC_CMDREG_VIA64_OUTB_AUX_W 0xD3
#define KBC_CMDREG_VIA64_AUX_W 0xD4
//
// echos of KEYBOARD CONTROLLER COMMAND - read from 60h
//
#define KBC_CMDECHO_KBCSLFTEST_OK 0x55
#define KBC_CMDECHO_KBCHECK_OK 0x00
#define KBC_CMDECHO_ACK 0xFA
#define KBC_CMDECHO_BATTEST_OK 0xAA
#define KBC_CMDECHO_BATTEST_FAILE 0xFC
//
// OUTPUT PORT COMMANDs - write port by writing KBC_CMDREG_VIA64_OUTP_W via 64H, then write the command to 60H
// drive data and clock of KB to high for at least 500us for BAT needs
//
#define KBC_OUTPORT_DCHIGH_BAT 0xC0
//
// scan code set type
//
#define KBC_INPBUF_VIA60_SCODESET1 0x01
#define KBC_INPBUF_VIA60_SCODESET2 0x02
#define KBC_INPBUF_VIA60_SCODESET3 0x03
//
// COMMANDs written to INPUT BUFFER - write to 60h
//
#define KBC_INPBUF_VIA60_KBECHO 0xEE
#define KBC_INPBUF_VIA60_KBSCODE 0xF0
#define KBC_INPBUF_VIA60_KBTYPE 0xF2
#define KBC_INPBUF_VIA60_KBDELAY 0xF3
#define KBC_INPBUF_VIA60_KBEN 0xF4
#define KBC_INPBUF_VIA60_KBSTDDIS 0xF5
#define KBC_INPBUF_VIA60_KBSTDEN 0xF6
#define KBC_INPBUF_VIA60_KBRESEND 0xFE
#define KBC_INPBUF_VIA60_KBRESET 0xFF
//
// 0040h:0017h - KEYBOARD - STATUS FLAGS 1
// 7 INSert active
// 6 Caps Lock active
// 5 Num Lock active
// 4 Scroll Lock active
// 3 either Alt pressed
// 2 either Ctrl pressed
// 1 Left Shift pressed
// 0 Right Shift pressed
//
// 0040h:0018h - KEYBOARD - STATUS FLAGS 2
// 7: insert key is depressed
// 6: caps-lock key is depressed (does not work well)
// 5: num-lock key is depressed (does not work well)
// 4: scroll lock key is depressed (does not work well)
// 3: suspend key has been toggled (does not work well)
// 2: system key is pressed and held (does not work well)
// 1: left ALT key is pressed
// 0: left CTRL key is pressed
//
#define KB_INSERT_BIT (0x1 << 7)
#define KB_CAPS_LOCK_BIT (0x1 << 6)
#define KB_NUM_LOCK_BIT (0x1 << 5)
#define KB_SCROLL_LOCK_BIT (0x1 << 4)
#define KB_ALT_PRESSED (0x1 << 3)
#define KB_CTRL_PRESSED (0x1 << 2)
#define KB_LEFT_SHIFT_PRESSED (0x1 << 1)
#define KB_RIGHT_SHIFT_PRESSED (0x1 << 0)
#define KB_SUSPEND_PRESSED (0x1 << 3)
#define KB_SYSREQ_PRESSED (0x1 << 2)
#define KB_LEFT_ALT_PRESSED (0x1 << 1)
#define KB_LEFT_CTRL_PRESSED (0x1 << 0)
//
// BIOS Keyboard Device Structure
//
#define BIOS_KEYBOARD_DEV_SIGNATURE SIGNATURE_32 ('B', 'K', 'B', 'D')
#define BIOS_KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('c', 'b', 'k', 'h')
typedef struct _BIOS_KEYBOARD_CONSOLE_IN_EX_NOTIFY {
UINTN Signature;
EFI_HANDLE NotifyHandle;
EFI_KEY_DATA KeyData;
EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;
LIST_ENTRY NotifyEntry;
} BIOS_KEYBOARD_CONSOLE_IN_EX_NOTIFY;
#define QUEUE_MAX_COUNT 32
typedef struct {
UINTN Front;
UINTN Rear;
EFI_KEY_DATA Buffer[QUEUE_MAX_COUNT];
} SIMPLE_QUEUE;
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleTextIn;
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleTextInputEx;
UINT16 DataRegisterAddress;
UINT16 StatusRegisterAddress;
UINT16 CommandRegisterAddress;
BOOLEAN ExtendedKeyboard;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// Buffer storing EFI_KEY_DATA
//
SIMPLE_QUEUE Queue;
//
// Notification Function List
//
LIST_ENTRY NotifyList;
EFI_EVENT TimerEvent;
} BIOS_KEYBOARD_DEV;
#define BIOS_KEYBOARD_DEV_FROM_THIS(a) CR (a, BIOS_KEYBOARD_DEV, SimpleTextIn, BIOS_KEYBOARD_DEV_SIGNATURE)
#define TEXT_INPUT_EX_BIOS_KEYBOARD_DEV_FROM_THIS(a) \
CR (a, \
BIOS_KEYBOARD_DEV, \
SimpleTextInputEx, \
BIOS_KEYBOARD_DEV_SIGNATURE \
)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gBiosKeyboardDriverBinding;
//
// Driver Binding Protocol functions
//
/**
Check whether the driver supports this device.
@param This The Udriver binding protocol.
@param Controller The controller handle to check.
@param RemainingDevicePath The remaining device path.
@retval EFI_SUCCESS The driver supports this controller.
@retval other This device isn't supported.
**/
EFI_STATUS
EFIAPI
BiosKeyboardDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Starts the device with this driver.
@param This The driver binding instance.
@param Controller Handle of device to bind driver to.
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS The controller is controlled by the driver.
@retval Other This controller cannot be started.
**/
EFI_STATUS
EFIAPI
BiosKeyboardDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop the device handled by this driver.
@param This The driver binding protocol.
@param Controller The controller to release.
@param NumberOfChildren The number of handles in ChildHandleBuffer.
@param ChildHandleBuffer The array of child handle.
@retval EFI_SUCCESS The device was stopped.
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
@retval Others Fail to uninstall protocols attached on the device.
**/
EFI_STATUS
EFIAPI
BiosKeyboardDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosKeyboardComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosKeyboardComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// Simple Text Input Protocol functions
//
/**
Reset the Keyboard and do BAT test for it, if (ExtendedVerification == TRUE) then do some extra keyboard validations.
@param This Pointer of simple text Protocol.
@param ExtendedVerification Whether perform the extra validation of keyboard. True: perform; FALSE: skip.
@retval EFI_SUCCESS The command byte is written successfully.
@retval EFI_DEVICE_ERROR Errors occurred during reseting keyboard.
**/
EFI_STATUS
EFIAPI
BiosKeyboardReset (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Read out the scan code of the key that has just been stroked.
@param This Pointer of simple text Protocol.
@param Key Pointer for store the key that read out.
@retval EFI_SUCCESS The key is read out successfully.
@retval other The key reading failed.
**/
EFI_STATUS
EFIAPI
BiosKeyboardReadKeyStroke (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
OUT EFI_INPUT_KEY *Key
);
//
// Private worker functions
//
/**
Waiting on the keyboard event, if there's any key pressed by the user, signal the event
@param Event The event that be siganlled when any key has been stroked.
@param Context Pointer of the protocol EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
**/
VOID
EFIAPI
BiosKeyboardWaitForKey (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Check key buffer to get the key stroke status.
@param This Pointer of the protocol EFI_SIMPLE_TEXT_IN_PROTOCOL.
@retval EFI_SUCCESS A key is being pressed now.
@retval Other No key is now pressed.
**/
EFI_STATUS
EFIAPI
BiosKeyboardCheckForKey (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This
);
/**
Convert unicode combined with scan code of key to the counterpart of EFIScancode of it.
@param KeyChar Unicode of key.
@param ScanCode Scan code of key.
@return The value of EFI Scancode for the key.
@retval SCAN_NULL No corresponding value in the EFI convert table is found for the key.
**/
UINT16
ConvertToEFIScanCode (
IN CHAR16 KeyChar,
IN UINT16 ScanCode
);
/**
Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command
If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device
should not be in system.
@param BiosKeyboardPrivate Keyboard Private Data Struture
@retval TRUE Keyboard in System.
@retval FALSE Keyboard not in System.
**/
BOOLEAN
CheckKeyboardConnect (
IN BIOS_KEYBOARD_DEV *BiosKeyboardPrivate
);
/**
Timer event handler: read a series of key stroke from 8042
and put them into memory key buffer.
It is registered as running under TPL_NOTIFY
@param Event The timer event
@param Context A BIOS_KEYBOARD_DEV pointer
**/
VOID
EFIAPI
BiosKeyboardTimerHandler (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Reset the input device and optionaly run diagnostics
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
not be reset.
**/
EFI_STATUS
EFIAPI
BiosKeyboardResetEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existance of a keystroke via WaitForEvent () call.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data availiable.
@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
hardware errors.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
**/
EFI_STATUS
EFIAPI
BiosKeyboardReadKeyStrokeEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
OUT EFI_KEY_DATA *KeyData
);
/**
Set certain state for the input device.
@param This Protocol instance pointer.
@param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the
state for the input device.
@retval EFI_SUCCESS The device state was set successfully.
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could
not have the setting adjusted.
@retval EFI_UNSUPPORTED The device does not have the ability to set its state.
@retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
**/
EFI_STATUS
EFIAPI
BiosKeyboardSetState (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_TOGGLE_STATE *KeyToggleState
);
/**
Register a notification function for a particular keystroke for the input device.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the keystroke
information data for the key that was pressed.
@param KeyNotificationFunction Points to the function to be called when the key
sequence is typed specified by KeyData.
@param NotifyHandle Points to the unique handle assigned to the registered notification.
@retval EFI_SUCCESS The notification function was registered successfully.
@retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data structures.
@retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.
**/
EFI_STATUS
EFIAPI
BiosKeyboardRegisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_DATA *KeyData,
IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
OUT EFI_HANDLE *NotifyHandle
);
/**
Remove a registered notification function from a particular keystroke.
@param This Protocol instance pointer.
@param NotificationHandle The handle of the notification function being unregistered.
@retval EFI_SUCCESS The notification function was unregistered successfully.
@retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.
**/
EFI_STATUS
EFIAPI
BiosKeyboardUnregisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_HANDLE NotificationHandle
);
/**
Wait for a specific value to be presented in
Data register of Keyboard Controller by keyboard and then read it,
used in keyboard commands ack
@param BiosKeyboardPrivate Keyboard instance pointer.
@param Value The value to be waited for
@param WaitForValueTimeOut The limit of microseconds for timeout
@retval EFI_SUCCESS The command byte is written successfully.
@retval EFI_TIMEOUT Timeout occurred during writing.
**/
EFI_STATUS
KeyboardWaitForValue (
IN BIOS_KEYBOARD_DEV *BiosKeyboardPrivate,
IN UINT8 Value,
IN UINTN WaitForValueTimeOut
);
/**
Write data byte to input buffer or input/output ports of Keyboard Controller with delay and waiting for buffer-empty state.
@param BiosKeyboardPrivate Keyboard instance pointer.
@param Data Data byte to write.
@retval EFI_SUCCESS The data byte is written successfully.
@retval EFI_TIMEOUT Timeout occurred during writing.
**/
EFI_STATUS
KeyboardWrite (
IN BIOS_KEYBOARD_DEV *BiosKeyboardPrivate,
IN UINT8 Data
);
/**
Free keyboard notify list.
@param ListHead The list head
@retval EFI_SUCCESS Free the notify list successfully
@retval EFI_INVALID_PARAMETER ListHead is invalid.
**/
EFI_STATUS
BiosKeyboardFreeNotifyList (
IN OUT LIST_ENTRY *ListHead
);
/**
Check if key is registered.
@param RegsiteredData A pointer to a buffer that is filled in with the keystroke
state data for the key that was registered.
@param InputData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval TRUE Key be pressed matches a registered key.
@retval FLASE Match failed.
**/
BOOLEAN
IsKeyRegistered (
IN EFI_KEY_DATA *RegsiteredData,
IN EFI_KEY_DATA *InputData
);
/**
Waiting on the keyboard event, if there's any key pressed by the user, signal the event
@param Event The event that be siganlled when any key has been stroked.
@param Context Pointer of the protocol EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
**/
VOID
EFIAPI
BiosKeyboardWaitForKeyEx (
IN EFI_EVENT Event,
IN VOID *Context
);
#endif

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@ -0,0 +1,183 @@
/** @file
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BiosKeyboard.h"
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gBiosKeyboardComponentName = {
BiosKeyboardComponentNameGetDriverName,
BiosKeyboardComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gBiosKeyboardComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) BiosKeyboardComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) BiosKeyboardComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mBiosKeyboardDriverNameTable[] = {
{
"eng;en",
L"BIOS[INT16] Keyboard Driver"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosKeyboardComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mBiosKeyboardDriverNameTable,
DriverName,
(BOOLEAN)(This == &gBiosKeyboardComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosKeyboardComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
}

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/** @file
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _BIOS_KEYBOARD_COMPONENT_NAME_H_
#define _BIOS_KEYBOARD_COMPONENT_NAME_H_
extern EFI_COMPONENT_NAME_PROTOCOL gBiosKeyboardComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gBiosKeyboardComponentName2;
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosKeyboardComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosKeyboardComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
#endif

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IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/KeyboardDxe.inf Normal file
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## @file
# Component description file for BiosKeyboard module.
#
# Ps2 Keyboard driver by using Legacy Bios protocol service and IsaIo protocol service.
# This dirver uses legacy INT16 to get the key stroke status.
#
# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = KeyboardDxe
FILE_GUID = 5479662B-6AE4-49e8-A6BD-6DE4B625811F
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = InitializeBiosKeyboard
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
# DRIVER_BINDING = gBiosKeyboardDriverBinding
# COMPONENT_NAME = gBiosKeyboardComponentName
#
[Sources]
ComponentName.c
ComponentName.h
BiosKeyboard.c
BiosKeyboard.h
[Packages]
MdePkg/MdePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
[LibraryClasses]
MemoryAllocationLib
UefiBootServicesTableLib
UefiDriverEntryPoint
ReportStatusCodeLib
BaseMemoryLib
UefiLib
DebugLib
BaseLib
[Protocols]
gEfiIsaIoProtocolGuid # PROTOCOL TO_START
gEfiSimpleTextInProtocolGuid # PROTOCOL BY_START
gEfiSimpleTextInputExProtocolGuid # PROTOCOL BY_START
gEfiLegacyBiosProtocolGuid # PROTOCOL TO_START
gEfiPs2PolicyProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiDevicePathProtocolGuid # PROTOCOL ALWAYS_CONSUMED

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IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.c Normal file
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IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.h Normal file
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IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/ComponentName.c Normal file
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/** @file
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BiosSnp16.h"
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosSnp16ComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosSnp16ComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gBiosSnp16ComponentName = {
BiosSnp16ComponentNameGetDriverName,
BiosSnp16ComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gBiosSnp16ComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) BiosSnp16ComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) BiosSnp16ComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mBiosSnp16DriverNameTable[] = {
{
"eng;en",
L"BIOS[UNDI] Simple Network Protocol Driver"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosSnp16ComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mBiosSnp16DriverNameTable,
DriverName,
(BOOLEAN)(This == &gBiosSnp16ComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosSnp16ComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
}

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IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/Misc.c Normal file
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/** @file
Helper Routines that use a PXE-enabled NIC option ROM.
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BiosSnp16.h"
#define TO_SEGMENT(x) ((UINT16) (RShiftU64 ((UINT32)(UINTN) (x), 4) & 0xF000))
#define TO_OFFSET(x) ((UINT16) ((UINT32)(UINTN) (x) & 0xFFFF))
#define PARAGRAPH_SIZE 0x10
#define IVT_BASE 0x00000000
#pragma pack(1)
typedef struct {
UINT16 Signature; ///< 0xaa55
UINT8 ROMlength; ///< size of this ROM in 512 byte blocks
UINT8 InitEntryPoint[4]; ///< a jump to the initialization routine
UINT8 Reserved[0xf]; ///< various
UINT16 PxeRomIdOffset; ///< offset of UNDI, $BC$, or BUSD ROM ID structure
UINT16 PcirHeaderOffset; ///< offset of PCI Expansion Header
UINT16 PnpHeaderOffset; ///< offset of Plug and Play Expansion Header
} OPTION_ROM_HEADER;
#pragma pack()
UINT32 CachedVectorAddress[0x100];
/**
Cache Interrupt verctor address converted from IVT number.
@param VectorNumber IVT number
@retval EFI_SUCCESS Success to operation.
**/
EFI_STATUS
CacheVectorAddress (
UINT8 VectorNumber
)
{
UINT32 *Address;
Address = (UINT32 *)(UINTN) (IVT_BASE + VectorNumber * 4);
CachedVectorAddress[VectorNumber] = *Address;
return EFI_SUCCESS;
}
/**
Get interrupt vector address according to IVT number.
@param VectorNumber Given IVT number
@return cached interrupt vector address.
**/
EFI_STATUS
RestoreCachedVectorAddress (
UINT8 VectorNumber
)
{
UINT32 *Address;
Address = (UINT32 *)(UINTN) (IVT_BASE + VectorNumber * 4);
*Address = CachedVectorAddress[VectorNumber];
return EFI_SUCCESS;
}
/**
Print Undi loader table.
@param UndiLoaderStructure Point to Undi Loader table structure.
**/
VOID
Print_Undi_Loader_Table (
VOID *UndiLoaderStructure
)
{
UNDI_LOADER_T *DisplayPointer;
DisplayPointer = (UNDI_LOADER_T *) UndiLoaderStructure;
DEBUG ((DEBUG_NET, "Before Parsing the table contents, the table itself lives\n"));
DEBUG ((DEBUG_NET, "\tat the address 0x%X\n\r", (UINT32)(UINTN) UndiLoaderStructure));
DEBUG ((DEBUG_NET, "\n\rStatus = 0x%X\n\r", DisplayPointer->Status));
DEBUG ((DEBUG_NET, "\t_AX_= 0x%X\n\r", DisplayPointer->Ax));
DEBUG ((DEBUG_NET, "\t_BX_= 0x%X\n\r", DisplayPointer->Bx));
DEBUG ((DEBUG_NET, "\t_DX_= 0x%X\n\r", DisplayPointer->Dx));
DEBUG ((DEBUG_NET, "\t_DI_= 0x%X\n\r", DisplayPointer->Di));
DEBUG ((DEBUG_NET, "\t_ES_= 0x%X\n\r", DisplayPointer->Es));
DEBUG ((DEBUG_NET, "\tUNDI_DS= 0x%X\n\r", DisplayPointer->Undi_Ds));
DEBUG ((DEBUG_NET, "\tUNDI_CS= 0x%X\n\r", DisplayPointer->Undi_Cs));
DEBUG ((DEBUG_NET, "\tPXEptr:SEG= 0x%X\n\r", (UINT16) DisplayPointer->PXEptr.Segment));
DEBUG ((DEBUG_NET, "\tPXEptr:OFF= 0x%X\n\r", (UINT16) DisplayPointer->PXEptr.Offset));
DEBUG ((DEBUG_NET, "\tPXENVptr:SEG= 0x%X\n\r", (UINT16) DisplayPointer->PXENVptr.Segment));
DEBUG ((DEBUG_NET, "\tPXENVptr:OFF= 0x%X\n\r", (UINT16) DisplayPointer->PXENVptr.Offset));
}
/**
Simple table dumper. The ROMID table is necessary in order to effect
the "Early UNDI" trick. Herein, the UNDI layer can be loaded in the
pre-boot phase without having to download a Network Boot Program
across the wire. It is required in the implementation in that we
are not using PXE.
@param RomIDStructure Point to RomID structure.
**/
VOID
Print_ROMID_Table (
IN VOID *RomIDStructure
)
{
UNDI_ROMID_T *DisplayPointer;
DisplayPointer = (UNDI_ROMID_T *) RomIDStructure;
DEBUG ((DEBUG_NET, "Before Parsing the table contents, the table itself lives\n"));
DEBUG ((DEBUG_NET, "\tat the address 0x%X\n\r", (UINT32)(UINTN) RomIDStructure));
DEBUG (
(DEBUG_NET,
"\n\rROMID %c%c%c%c\n\r",
DisplayPointer->Signature[0],
DisplayPointer->Signature[1],
DisplayPointer->Signature[2],
DisplayPointer->Signature[3])
);
DEBUG (
(DEBUG_NET,
"Length of this structure in bytes = 0x%X\n\r",
DisplayPointer->StructLength)
);
DEBUG (
(DEBUG_NET,
"Use to make byte checksum of this structure == zero is = 0x%X\n\r",
DisplayPointer->StructCksum)
);
DEBUG (
(DEBUG_NET,
"Structure format revision number= 0x%X\n\r",
DisplayPointer->StructRev)
);
DEBUG (
(DEBUG_NET,
"API Revision number = 0x%X 0x%X 0x%X\n\r",
DisplayPointer->UNDI_Rev[0],
DisplayPointer->UNDI_Rev[1],
DisplayPointer->UNDI_Rev[2])
);
DEBUG (
(DEBUG_NET,
"Offset of UNDI loader routine in the option ROM image= 0x%X\n\r",
DisplayPointer->UNDI_Loader)
);
DEBUG ((DEBUG_NET, "From the data above, the absolute entry point of the UNDI loader is\n\r"));
DEBUG (
(DEBUG_NET,
"\tat address 0x%X\n\r",
(UINT32) (DisplayPointer->UNDI_Loader + ((UINT32) (UINTN)(DisplayPointer - 0x20) & 0xFFFF0)))
);
DEBUG ((DEBUG_NET, "Minimum stack segment size, in bytes,\n\r"));
DEBUG (
(DEBUG_NET,
"needed to load and run the UNDI= 0x%X \n\r",
DisplayPointer->StackSize)
);
DEBUG (
(DEBUG_NET,
"UNDI runtime code and data = 0x%X\n\r",
DisplayPointer->DataSize)
);
DEBUG (
(DEBUG_NET,
"Segment size = 0x%X\n\r",
DisplayPointer->CodeSize)
);
DEBUG (
(DEBUG_NET,
"\n\rBus Type = %c%c%c%c\n\r",
DisplayPointer->BusType[0],
DisplayPointer->BusType[1],
DisplayPointer->BusType[2],
DisplayPointer->BusType[3])
);
}
/**
Print PXE table.
@param PxeTable Point to PXE table structure
**/
VOID
Print_PXE_Table (
IN VOID* PxeTable
)
{
PXE_T *DisplayPointer;
UINTN Index;
UINT8 *Dptr;
DisplayPointer = (PXE_T *) PxeTable;
Dptr = (UINT8 *) PxeTable;
DEBUG ((DEBUG_NET, "This is the PXE table at address 0x%X\n\r", PxeTable));
DEBUG ((DEBUG_NET, "A dump of the 0x%X bytes is:\n\r", sizeof (PXE_T)));
for (Index = 0; Index < sizeof (PXE_T); Index++) {
if ((Index % 0x10) == 0) {
DEBUG ((DEBUG_NET, "\t\n\r"));
}
DEBUG ((DEBUG_NET, " 0x%X ", *Dptr++));
}
DEBUG ((DEBUG_NET, "\n\r"));
DEBUG (
(DEBUG_NET,
"\n\rPXE %c%c%c%c%c%c\n\r",
DisplayPointer->Signature[0],
DisplayPointer->Signature[1],
DisplayPointer->Signature[2],
DisplayPointer->Signature[3])
);
DEBUG (
(DEBUG_NET,
"Length of this structure in bytes = 0x%X\n\r",
DisplayPointer->StructLength)
);
DEBUG (
(DEBUG_NET,
"Use to make byte checksum of this structure == zero is = 0x%X\n\r",
DisplayPointer->StructCksum)
);
DEBUG (
(DEBUG_NET,
"Structure format revision number = 0x%X\n\r",
DisplayPointer->StructRev)
);
DEBUG (
(DEBUG_NET,
"Must be zero, is equal to 0x%X\n\r",
DisplayPointer->Reserved1)
);
DEBUG (
(DEBUG_NET,
"Far pointer to UNDI ROMID = 0x%X\n\r",
(UINT32) (DisplayPointer->Undi.Segment << 0x4 | DisplayPointer->Undi.Offset))
);
DEBUG (
(DEBUG_NET,
"Far pointer to base-code ROMID = 0x%X\n\r",
(UINT32) ((DisplayPointer->Base.Segment << 0x04) | DisplayPointer->Base.Offset))
);
DEBUG ((DEBUG_NET, "16bit stack segment API entry point. This will be seg:off in \n\r"));
DEBUG (
(DEBUG_NET,
"real mode and sel:off in 16:16 protected mode = 0x%X:0x%X\n\r",
DisplayPointer->EntryPointSP.Segment,
DisplayPointer->EntryPointSP.Offset)
);
DEBUG ((DEBUG_NET, "\n\tNOTE to the implementer\n\tThis is the entry to use for call-ins\n\r"));
DEBUG ((DEBUG_NET, "32bit stack Segment API entry point. This will be sel:off. \n\r"));
DEBUG (
(DEBUG_NET,
"In real mode, sel == 0 = 0x%X:0x%X\n\r",
DisplayPointer->EntryPointESP.Segment,
DisplayPointer->EntryPointESP.Offset)
);
DEBUG (
(DEBUG_NET,
"Reserved2 value, must be zero, is equal to 0x%X\n\r",
DisplayPointer->Reserved2)
);
DEBUG (
(DEBUG_NET,
"Number of segment descriptors in this structur = 0x%X\n\r",
(UINT8) DisplayPointer->SegDescCnt)
);
DEBUG (
(DEBUG_NET,
"First segment descriptor in GDT assigned to PXE = 0x%X\n\r",
(UINT16) DisplayPointer->FirstSelector)
);
DEBUG (
(DEBUG_NET,
"The Stack is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->Stack.Seg_Addr,
(UINT32) DisplayPointer->Stack.Phy_Addr,
(UINT16) DisplayPointer->Stack.Seg_Size)
);
DEBUG (
(DEBUG_NET,
"The UNDIData is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->UNDIData.Seg_Addr,
(UINT32) DisplayPointer->UNDIData.Phy_Addr,
(UINT16) DisplayPointer->UNDIData.Seg_Size)
);
DEBUG (
(DEBUG_NET,
"The UNDICodeWrite is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->UNDICode.Seg_Addr,
(UINT32) DisplayPointer->UNDICode.Phy_Addr,
(UINT16) DisplayPointer->UNDICode.Seg_Size)
);
DEBUG (
(DEBUG_NET,
"The Stack is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->UNDICodeWrite.Seg_Addr,
(UINT32) DisplayPointer->UNDICodeWrite.Phy_Addr,
(UINT16) DisplayPointer->UNDICodeWrite.Seg_Size)
);
DEBUG (
(DEBUG_NET,
"The BC_Data is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->BC_Data.Seg_Addr,
(UINT32) DisplayPointer->BC_Data.Phy_Addr,
(UINT16) DisplayPointer->BC_Data.Seg_Size)
);
DEBUG (
(DEBUG_NET,
"The BC_Code is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->BC_Code.Seg_Addr,
(UINT32) DisplayPointer->BC_Code.Phy_Addr,
(UINT16) DisplayPointer->BC_Code.Seg_Size)
);
DEBUG (
(DEBUG_NET,
"The BC_CodeWrite is \n\r\tSegment Addr = 0x%X\n\r\tPhysical Addr = 0x%X\n\r\tSeg Size = 0x%X\n\r",
(UINT16) DisplayPointer->BC_CodeWrite.Seg_Addr,
(UINT32) DisplayPointer->BC_CodeWrite.Phy_Addr,
(UINT16) DisplayPointer->BC_CodeWrite.Seg_Size)
);
}
/**
Print PXENV table.
@param PxenvTable Point to PXENV
**/
VOID
Print_PXENV_Table (
IN VOID *PxenvTable
)
{
PXENV_T *DisplayPointer;
DisplayPointer = (PXENV_T *) PxenvTable;
DEBUG (
(DEBUG_NET,
"\n\rPXENV+ %c%c%c%c%c%c\n\r",
DisplayPointer->Signature[0],
DisplayPointer->Signature[1],
DisplayPointer->Signature[2],
DisplayPointer->Signature[3],
DisplayPointer->Signature[4],
DisplayPointer->Signature[5])
);
DEBUG (
(DEBUG_NET,
"PXE version number. \n\r\tLSB is minor version. \n\r\tMSB is major version = 0x%X\n\r",
DisplayPointer->Version)
);
DEBUG (
(DEBUG_NET,
"Length of PXE-2.0 Entry Point structure in bytes = 0x%X\n\r",
DisplayPointer->StructLength)
);
DEBUG ((DEBUG_NET, "Used to make structure checksum equal zero is now = 0x%X\n\r", DisplayPointer->StructCksum));
DEBUG ((DEBUG_NET, "Real mode API entry point segment:Offset. = 0x%X\n\r", DisplayPointer->RMEntry));
DEBUG ((DEBUG_NET, "Protected mode API entry point = 0x%X\n\r", DisplayPointer->PMEntryOff));
DEBUG ((DEBUG_NET, " segment:Offset. This will always be zero. \n\r"));
DEBUG ((DEBUG_NET, "Protected mode API calls = 0x%X\n\r", DisplayPointer->PMEntrySeg));
DEBUG ((DEBUG_NET, "Real mode stack segment = 0x%X\n\r", DisplayPointer->StackSeg));
DEBUG ((DEBUG_NET, "Stack segment size in bytes = 0x%X\n\r", DisplayPointer->StackSize));
DEBUG ((DEBUG_NET, "Real mode base-code code segment = 0x%X\n\r", DisplayPointer->BaseCodeSeg));
DEBUG ((DEBUG_NET, "Base-code code segment size = 0x%X\n\r", DisplayPointer->BaseCodeSize));
DEBUG ((DEBUG_NET, "Real mode base-code data segment = 0x%X\n\r", DisplayPointer->BaseDataSeg));
DEBUG ((DEBUG_NET, "Base-code data segment size = 0x%X\n\r", DisplayPointer->BaseDataSize));
DEBUG (
(DEBUG_NET,
"UNDI code segment size in bytes = 0x%X\n\r",
DisplayPointer->UNDICodeSize)
);
DEBUG (
(DEBUG_NET,
"Real mode segment:Offset pointer \n\r\tto PXE Runtime ID structure, address = 0x%X\n\r",
DisplayPointer->RuntimePtr)
);
DEBUG (
(
DEBUG_NET,
"From above, we have a linear address of 0x%X\n\r",
(UINT32)
(
((UINT32)(UINTN)(DisplayPointer->RuntimePtr) & 0xFFFF) +
(((UINT32)(UINTN)(DisplayPointer->RuntimePtr) & 0xFFFF0000) >> 12)
)
)
);
}
#define OPTION_ROM_PTR ((OPTION_ROM_HEADER *) RomAddress)
/**
If available, launch the BaseCode from a NIC option ROM.
This should install the !PXE and PXENV+ structures in memory for
subsequent use.
@param SimpleNetworkDevice Simple network device instance
@param RomAddress The ROM base address for NIC rom.
@retval EFI_NOT_FOUND The check sum does not match
@retval EFI_NOT_FOUND Rom ID offset is wrong
@retval EFI_NOT_FOUND No Rom ID structure is found
**/
EFI_STATUS
LaunchBaseCode (
EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice,
UINTN RomAddress
)
{
EFI_STATUS Status;
EFI_IA32_REGISTER_SET InOutRegs;
UNDI_ROMID_T *RomIdTableAddress;
UNDI_LOADER_T *UndiLoaderTable;
UINT16 Segment;
UINT16 *StackPointer;
VOID *Buffer;
UINTN Size;
PXE_T *Pxe;
UINT32 RomLength;
UINTN PciSegment;
UINTN Bus;
UINTN Device;
UINTN Function;
BOOLEAN ThunkFailed;
DEBUG ((DEBUG_NET, "\n\r\n\rCheck for the UNDI ROMID Signature\n\r"));
//
// paranoia - check structures for validity
//
RomLength = OPTION_ROM_PTR->ROMlength << 9;
if (CalculateSum8 ((UINT8 *) RomAddress, RomLength) != 0) {
DEBUG ((DEBUG_ERROR, "ROM Header Checksum Error\n\r"));
return EFI_NOT_FOUND;
}
RomIdTableAddress = (UNDI_ROMID_T *) (RomAddress + OPTION_ROM_PTR->PxeRomIdOffset);
if ((UINTN) (OPTION_ROM_PTR->PxeRomIdOffset + RomIdTableAddress->StructLength) > RomLength) {
DEBUG ((DEBUG_ERROR, "ROM ID Offset Error\n\r"));
return EFI_NOT_FOUND;
}
//
// see if this is a header for an UNDI ROM ID structure (vs. a $BC$ or BUSD type)
//
if (CompareMem (RomIdTableAddress->Signature, UNDI_ROMID_SIG, sizeof RomIdTableAddress->Signature) != 0) {
DEBUG ((DEBUG_ERROR, "No ROM ID Structure found....\n\r"));
return EFI_NOT_FOUND;
//
// its not - keep looking
//
}
if (CalculateSum8 ((UINT8 *) RomIdTableAddress, RomIdTableAddress->StructLength) != 0) {
DEBUG ((DEBUG_ERROR, "ROM ID Checksum Error\n\r"));
return EFI_NOT_FOUND;
}
Print_ROMID_Table (RomIdTableAddress);
DEBUG (
(DEBUG_NET,
"The ROM ID is located at 0x%X\n\r",
RomIdTableAddress)
);
DEBUG (
(DEBUG_NET,
"With an UNDI Loader located at 0x%X\n\r",
RomAddress + RomIdTableAddress->UNDI_Loader)
);
//
// found an UNDI ROM ID structure
//
SimpleNetworkDevice->Nii.ImageAddr = RomAddress;
SimpleNetworkDevice->Nii.ImageSize = RomLength;
SimpleNetworkDevice->Nii.MajorVer = RomIdTableAddress->UNDI_Rev[2];
SimpleNetworkDevice->Nii.MinorVer = RomIdTableAddress->UNDI_Rev[1];
DEBUG ((DEBUG_NET, "Allocate area for the UNDI_LOADER_T structure\n\r"));
//
// Allocate 1 page below 1MB to put real mode thunk code in
//
// Undi Loader Table is a PXE Specification prescribed data structure
// that is used to transfer information into and out of the Undi layer.
// Note how it must be located below 1 MB.
//
SimpleNetworkDevice->UndiLoaderTablePages = EFI_SIZE_TO_PAGES (PARAGRAPH_SIZE + sizeof (UNDI_LOADER_T));
Status = BiosSnp16AllocatePagesBelowOneMb (
SimpleNetworkDevice->UndiLoaderTablePages,
&SimpleNetworkDevice->UndiLoaderTable
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "We had a failure in AllocatePages, status code = 0x%X\n", Status));
return EFI_OUT_OF_RESOURCES;
}
UndiLoaderTable = SimpleNetworkDevice->UndiLoaderTable;
DEBUG ((DEBUG_NET, "Allocate area for the real-mode stack whose sole purpose\n\r"));
DEBUG ((DEBUG_NET, "in life right now is to store a SEG:OFFSET combo pair that\n\r"));
DEBUG ((DEBUG_NET, "points to an Undi_Loader_t table structure\n\r"));
Size = 0x100;
Status = gBS->AllocatePool (EfiLoaderData, Size, &Buffer);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Now we want to put a pointer to the Under Loader Table in our MemPage
// Buffer. This will be the argument stack for the call into the Undi Loader
//
StackPointer = (UINT16 *) Buffer;
*StackPointer++ = TO_OFFSET (UndiLoaderTable);
//
// push the OFFSET
//
*StackPointer++ = TO_SEGMENT (UndiLoaderTable);
//
// push the SEGMENT
//
StackPointer = (UINT16 *) Buffer;
//
// reset the stack pointer
//
DEBUG (
(DEBUG_NET,
"After the fixups, the stack pointer is 0x%X\n\r",
(UINT64)(UINTN) StackPointer)
);
//
// Allocate memory for the Deployed UNDI.
// The UNDI is essentially telling us how much space it needs, and
// it is up to the EFI driver to allocate sufficient, boot-time
// persistent resources for the call
//
SimpleNetworkDevice->DestinationDataSegmentPages = EFI_SIZE_TO_PAGES (RomIdTableAddress->DataSize);
Status = BiosSnp16AllocatePagesBelowOneMb (
SimpleNetworkDevice->DestinationDataSegmentPages,
&SimpleNetworkDevice->DestinationDataSegment
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "We had a failure in AllocatePages, status code = 0x%X\n", Status));
return Status;
}
UndiLoaderTable->Undi_Ds = (UINT16) ((UINTN) SimpleNetworkDevice->DestinationDataSegment >> 4);
//
// Allocate memory for the Deployed UNDI stack
// The UNDI is essentially telling us how much space it needs, and
// it is up to the EFI driver to allocate sufficient, boot-time
// persistent resources for the call
//
SimpleNetworkDevice->DestinationStackSegmentPages = EFI_SIZE_TO_PAGES (RomIdTableAddress->StackSize);
Status = BiosSnp16AllocatePagesBelowOneMb (
SimpleNetworkDevice->DestinationStackSegmentPages,
&SimpleNetworkDevice->DestinationStackSegment
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "We had a failure in AllocatePages, status code = 0x%X\n", Status));
return Status;
}
//
// Allocate memory for the Deployed UNDI.
// The UNDI is essentially telling us how much space it needs, and
// it is up to the EFI driver to allocate sufficient, boot-time
// persistent resources for the call
//
SimpleNetworkDevice->DestinationCodeSegmentPages = EFI_SIZE_TO_PAGES (RomIdTableAddress->CodeSize);
Status = BiosSnp16AllocatePagesBelowOneMb (
SimpleNetworkDevice->DestinationCodeSegmentPages,
&SimpleNetworkDevice->DestinationCodeSegment
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "We had a failure in AllocatePages, status code = 0x%X\n", Status));
return Status;
}
UndiLoaderTable->Undi_Cs = (UINT16) ((UINTN) SimpleNetworkDevice->DestinationCodeSegment >> 4);
//
// these are in the Input and Output Parameter to be sent to the UNDI Loader code
//
UndiLoaderTable->Status = 0xAA55;
//
// -------------------- Changed by Michael_Huang@3Com.com -----------------
// UndiLoaderTable->_AX is AX value when UNDI ROM is initialized by BIOS, it is the PCI bus device
// function of the NIC. Please refer to PXE Spec for detail info.
// old code is:
// UndiLoaderTable->Ax = 0x0;
// -----------------------------------------------------------------------
//
SimpleNetworkDevice->PciIo->GetLocation (
SimpleNetworkDevice->PciIo,
&PciSegment,
&Bus,
&Device,
&Function
);
UndiLoaderTable->Ax = (UINT16) ((Bus << 0x8) | (Device << 0x3) | (Function));
UndiLoaderTable->Bx = 0x0;
UndiLoaderTable->Dx = 0x0;
UndiLoaderTable->Di = 0x0;
UndiLoaderTable->Es = 0x0;
//
// set these OUT values to zero in order to ensure that
// uninitialized memory is not mistaken for display data
//
UndiLoaderTable->PXEptr.Offset = 0;
UndiLoaderTable->PXEptr.Segment = 0;
UndiLoaderTable->PXENVptr.Segment = 0;
UndiLoaderTable->PXENVptr.Offset = 0;
DEBUG (
(DEBUG_INIT,
"The NIC is located at Bus 0x%X, Device 0x%X, Function 0x%X\n\r",
Bus,
Device,
Function)
);
//
// These are the values that set up the ACTUAL IA32 machine state, whether in
// Real16 in EFI32 or the IVE for IA64
// register values are unused except for CS:IP and SS:SP
//
InOutRegs.X.AX = 0;
InOutRegs.X.BX = 0;
InOutRegs.X.CX = 0;
InOutRegs.X.DX = 0;
InOutRegs.X.SI = 0;
InOutRegs.X.DI = 0;
InOutRegs.X.BP = 0;
InOutRegs.X.DS = 0;
InOutRegs.X.ES = 0;
//
// just to be clean
//
DEBUG ((DEBUG_NET, "The way this game works is that the SS:SP +4 should point\n\r"));
DEBUG ((DEBUG_NET, "to the contents of the UndiLoaderTable\n\r"));
DEBUG (
(DEBUG_NET,
"The Undi Loader Table is at address = 0x%X\n\r",
(UINT32)(UINTN) UndiLoaderTable)
);
DEBUG (
(DEBUG_NET,
"The segment and offsets are 0x%X and 0x%X, resp\n",
TO_SEGMENT (UndiLoaderTable),
TO_OFFSET (UndiLoaderTable))
);
DEBUG (
(DEBUG_NET,
"The Linear Address of the UNDI Loader entry is 0x%X\n",
RomAddress + RomIdTableAddress->UNDI_Loader)
);
DEBUG (
(DEBUG_NET,
"The Address offset of the UNDI Loader entry is 0x%X\n",
RomIdTableAddress->UNDI_Loader)
);
DEBUG ((DEBUG_NET, "Before the call, we have...\n\r"));
Print_Undi_Loader_Table (UndiLoaderTable);
Segment = ((UINT16) (RShiftU64 (RomAddress, 4) & 0xFFFF));
DEBUG ((DEBUG_NET, "The Segment of the call is 0x%X\n\r", Segment));
//
// make the call into the UNDI Code
//
DEBUG ((DEBUG_INIT, "Make the call into the UNDI code now\n\r"));
DEBUG ((DEBUG_NET, "\nThe 20-BIt address of the Call, and the location \n\r"));
DEBUG ((DEBUG_NET, "\twhere we should be able to set a breakpoint is \n\r"));
DEBUG (
(DEBUG_NET,
"\t\t0x%X, from SEG:OFF 0x%X:0x%X\n\r\n\r",
Segment * 0x10 + RomIdTableAddress->UNDI_Loader,
Segment,
RomIdTableAddress->UNDI_Loader)
);
ThunkFailed = SimpleNetworkDevice->LegacyBios->FarCall86 (
SimpleNetworkDevice->LegacyBios,
Segment, // Input segment
(UINT16) RomIdTableAddress->UNDI_Loader, // Offset
&InOutRegs, // Ptr to Regs
Buffer, // Reference to Stack
Size // Size of the Stack
);
if (ThunkFailed) {
return EFI_ABORTED;
}
DEBUG (
(DEBUG_NET,
"The return code UndiLoaderTable->Status is = 0x%X\n\r",
UndiLoaderTable->Status)
);
DEBUG (
(DEBUG_NET,
"This error code should match eax, which is = 0x%X\n\r",
InOutRegs.X.AX)
);
DEBUG ((DEBUG_NET, "Now returned from the UNDI code\n\r"));
DEBUG ((DEBUG_NET, "After the call, we have...\n\r"));
Print_Undi_Loader_Table (UndiLoaderTable);
DEBUG ((DEBUG_NET, "Display the PXENV+ and !PXE tables exported by NIC\n\r"));
Print_PXENV_Table ((VOID *)(UINTN)((UndiLoaderTable->PXENVptr.Segment << 4) | UndiLoaderTable->PXENVptr.Offset));
Print_PXE_Table ((VOID *)(UINTN)((UndiLoaderTable->PXEptr.Segment << 4) + UndiLoaderTable->PXEptr.Offset));
Pxe = (PXE_T *)(UINTN)((UndiLoaderTable->PXEptr.Segment << 4) + UndiLoaderTable->PXEptr.Offset);
SimpleNetworkDevice->Nii.Id = (UINT64)(UINTN) Pxe;
//
// FreePool (Buffer);
// paranoia - make sure a valid !PXE structure
//
if (CompareMem (Pxe->Signature, PXE_SIG, sizeof Pxe->Signature) != 0) {
DEBUG ((DEBUG_ERROR, "!PXE Structure not found....\n\r"));
return EFI_NOT_FOUND;
//
// its not - keep looking
//
}
if (CalculateSum8 ((UINT8 *) Pxe, Pxe->StructLength) != 0) {
DEBUG ((DEBUG_ERROR, "!PXE Checksum Error\n\r"));
return EFI_NOT_FOUND;
}
if (Pxe->StructLength < (UINT8 *) &Pxe->FirstSelector - (UINT8 *) Pxe->Signature) {
DEBUG ((DEBUG_ERROR, "!PXE Length Error\n\r"));
return EFI_NOT_FOUND;
}
if ((((UINTN) Pxe->Undi.Segment) << 4) + Pxe->Undi.Offset != (UINTN) RomIdTableAddress) {
DEBUG ((DEBUG_ERROR, "!PXE RomId Address Error\n\r"));
return EFI_NOT_FOUND;
}
//
// This is the magic to bind the global PXE interface
// This dirtiness is for non-protocol shrouded access
//
SimpleNetworkDevice->PxeEntrySegment = Pxe->EntryPointSP.Segment;
if (SimpleNetworkDevice->PxeEntrySegment == 0) {
DEBUG ((DEBUG_ERROR, "!PXE EntryPointSP segment Error\n\r"));
return EFI_NOT_FOUND;
}
SimpleNetworkDevice->PxeEntryOffset = Pxe->EntryPointSP.Offset;
DEBUG (
(
DEBUG_NET, "The entry point is 0x%X:0x%X\n\r", SimpleNetworkDevice->PxeEntrySegment, SimpleNetworkDevice->
PxeEntryOffset
)
);
return EFI_SUCCESS;
}
/**
Effect the Far Call into the PXE Layer
Note: When using a 32-bit stack segment do not push 32-bit words onto the stack. The PXE API
services will not work, unless there are three 16-bit parameters pushed onto the stack.
push DS ;Far pointer to parameter structure
push offset pxe_data_call_struct ;is pushed onto stack.
push Index ;UINT16 is pushed onto stack.
call dword ptr (s_PXE ptr es:[di]).EntryPointSP
add sp, 6 ;Caller cleans up stack.
@param SimpleNetworkDevice Device instance for simple network
@param Table Point to parameter/retun value table for legacy far call
@param TableSize The size of paramter/return value table
@param CallIndex The index of legacy call.
@return EFI_STATUS
**/
EFI_STATUS
MakePxeCall (
EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice,
IN OUT VOID *Table,
IN UINTN TableSize,
IN UINT16 CallIndex
)
{
EFI_STATUS Status;
EFI_IA32_REGISTER_SET InOutRegs;
UINT16 *BPtr;
VOID *Buffer;
UINTN Size;
VOID *MemPageAddress;
UINTN Index;
BOOLEAN ThunkFailed;
DEBUG ((DEBUG_NET, "MakePxeCall(CallIndex = %02x, Table = %X, TableSize = %d)\n", CallIndex, Table, TableSize));
if (SimpleNetworkDevice->PxeEntrySegment == 0 && SimpleNetworkDevice->PxeEntryOffset == 0) {
return EFI_DEVICE_ERROR;
}
Status = EFI_SUCCESS;
//
// Allocate a transient data structure for the argument table
// This table needs to have the input XXX_t structure copied into here.
// The PXE UNDI can only grab this table when it's below one-MB, and
// this implementation will not try to push this table on the stack
// (although this is a possible optimization path since EFI always allocates
// 4K as a minimum page size...............)
//
Status = BiosSnp16AllocatePagesBelowOneMb (
TableSize / EFI_PAGE_SIZE + 1,
&MemPageAddress
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "We had a failure in AllocatePages, status code = 0x%X\n", Status));
return Status;
}
//
// Copy the > 1MB pool table to a sub-1MB buffer
//
CopyMem (MemPageAddress, Table, TableSize);
//
// Allocate space for IA-32 register context
//
ZeroMem (&InOutRegs, sizeof (InOutRegs));
InOutRegs.X.ES = SimpleNetworkDevice->PxeEntrySegment;
InOutRegs.X.DI = SimpleNetworkDevice->PxeEntryOffset;
//
// The game here is to build the stack which will subsequently
// get copied down below 1 MB by the FarCall primitive.
// This is now our working stack
//
Size = 6;
Status = gBS->AllocatePool (
EfiRuntimeServicesData,
Size,
&Buffer
);
if (EFI_ERROR (Status)) {
return Status;
}
BPtr = (UINT16 *) Buffer;
*BPtr++ = CallIndex;
//
// SP + 2
//
*BPtr++ = TO_OFFSET (MemPageAddress);
*BPtr++ = TO_SEGMENT (MemPageAddress);
DEBUG ((DEBUG_NET, "State before FarCall86\n"));
DEBUG ((DEBUG_NET, "The Buffer is at 0x%X\n\r", Buffer));
BPtr = (UINT16 *) Buffer;
DEBUG ((DEBUG_NET, " Buffer = %04X %04X %04X", *BPtr, *(BPtr + 1), *(BPtr + 2)));
DEBUG ((DEBUG_NET, " MemPage = "));
for (Index = 0; Index < TableSize; Index++) {
DEBUG ((DEBUG_NET, " %02x", *((UINT8 *) MemPageAddress + Index)));
}
DEBUG ((DEBUG_NET, "\n"));
ThunkFailed = SimpleNetworkDevice->LegacyBios->FarCall86 (
SimpleNetworkDevice->LegacyBios,
SimpleNetworkDevice->PxeEntrySegment, // Input segment
SimpleNetworkDevice->PxeEntryOffset,
&InOutRegs, // Ptr to Regs
Buffer, // Reference to Stack
6 // Size of the Stack
);
if (ThunkFailed) {
return EFI_ABORTED;
}
DEBUG ((DEBUG_NET, "State after FarCall86\n"));
DEBUG ((DEBUG_NET, "The Buffer is at 0x%X\n\r", Buffer));
BPtr = (UINT16 *) Buffer;
DEBUG ((DEBUG_NET, " Buffer = %04X %04X %04X", *BPtr, *(BPtr + 1), *(BPtr + 2)));
DEBUG ((DEBUG_NET, " MemPage = "));
for (Index = 0; Index < TableSize; Index++) {
DEBUG ((DEBUG_NET, " %02x", *((UINT8 *) MemPageAddress + Index)));
}
DEBUG ((DEBUG_NET, "\n"));
//
// Copy the sub 1MB table to > 1MB table
//
CopyMem (Table, MemPageAddress, TableSize);
//
// For PXE UNDI call, AX contains the return status.
// Convert the PXE UNDI Status to EFI_STATUS type
//
if (InOutRegs.X.AX == PXENV_EXIT_SUCCESS) {
Status = EFI_SUCCESS;
} else {
Status = EFI_DEVICE_ERROR;
}
//
// Clean up house
//
gBS->FreePool (Buffer);
gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) MemPageAddress, TableSize / EFI_PAGE_SIZE + 1);
return Status;
}

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/** @file
These are PXE Specification 2.1-compliant data structures and defines.
This file relies upon the existence of a PXE-compliant ROM
in memory, as defined by the Preboot Execution Environment
Specification (PXE), Version 2.1, located at
http://developer.intel.com/ial/wfm/wfmspecs.htm
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _PXEDEF_H_
#define _PXEDEF_H_
#pragma pack(1)
//
// PXE structure signatures
//
#define BC_ROMID_SIG "$BC$"
#define UNDI_ROMID_SIG "UNDI"
#define BUSD_ROMID_SIG "BUSD"
#define PXE_SIG "!PXE"
#define PXENV_SIG "PXENV+"
#define BC_ROMID_REV 0x00
#define UNDI_ROMID_REV 0x00
#define BUSD_ROMID_REV 0x00
#define PXE_REV 0x00
#define PXENV_REV 0x0201
#define PXENV_PTR SIGNATURE_32 ('P', 'X', 'E', 'N')
#define PXE_PTR SIGNATURE_32 ('!', 'P', 'X', 'E')
#define UNDI_ROMID_SIG_PTR SIGNATURE_32 ('U', 'N', 'D', 'I')
typedef UINT16 SEGSEL; // Real mode segment or protected mode selector.
typedef UINT16 OFF16; // Unsigned 16bit offset.
typedef UINT32 ADDR32;
//
// Bus types
//
#define PXENV_BUS_ISA 0
#define PXENV_BUS_EISA 1
#define PXENV_BUS_MCA 2
#define PXENV_BUS_PCI 3
#define PXENV_BUS_VESA 4
#define PXENV_BUS_PCMCIA 5
//
//
// Result codes returned in AX by a PXENV API service.
//
#define PXENV_EXIT_SUCCESS 0x0000
#define PXENV_EXIT_FAILURE 0x0001
//
// Status codes returned in the status word of PXENV API parameter structures.
//
// Generic API errors - these do not match up with the M0x or E0x messages
// that are reported by the loader.
//
#define PXENV_STATUS_SUCCESS 0x00
#define PXENV_STATUS_FAILURE 0x01
#define PXENV_STATUS_BAD_FUNC 0x02
#define PXENV_STATUS_UNSUPPORTED 0x03
#define PXENV_STATUS_KEEP_UNDI 0x04
#define PXENV_STATUS_KEEP_ALL 0x05
#define PXENV_STATUS_OUT_OF_RESOURCES 0x06
typedef enum {
PxeEnvStatus_Success,
PxeEnvStatus_Failure,
PxeEnvStatus_BadFunc,
PxeEnvStatus_Unsupported,
PxeEnvStatus_KeepUndi,
PxeEnvStatus_KeepAll
} EFI_PXE_STATUS;
/* Driver errors (0x60 to 0x6F) */
// These errors are for UNDI compatible NIC drivers.
#define PXENV_STATUS_UNDI_INVALID_FUNCTION 0x60
#define PXENV_STATUS_UNDI_MEDIATEST_FAILED 0x61
#define PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST 0x62
#define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC 0x63
#define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY 0x64
#define PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA 0x65
#define PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA 0x66
#define PXENV_STATUS_UNDI_BAD_MAC_ADDR 0x67
#define PXENV_STATUS_UNDI_BAD_EEPROM_CKSUM 0x68
#define PXENV_STATUS_UNDI_ERROR_SETTING_ISR 0x69
#define PXENV_STATUS_UNDI_INVALID_STATE 0x6A
#define PXENV_STATUS_UNDI_TRANSMIT_ERROR 0x6B
#define PXENV_STATUS_UNDI_INVALID_PARAMETER 0x6C
typedef struct {
UINT16 Seg_Addr;
UINT32 Phy_Addr;
UINT16 Seg_Size;
} NEWSEGDESC_T;
typedef struct {
OFF16 Offset;
SEGSEL Segment;
} SEGOFF16;
typedef struct {
UINT8 Signature[4]; ///< Structure signature is not NULL terminated.
UINT8 StructLength; ///< Length of this structure in bytes.
UINT8 StructCksum; ///< Use to make byte checksum of this structure == zero.
UINT8 StructRev; ///< Structure format revision number.
UINT8 UNDI_Rev[3]; ///< API revision number stored in Intel order.
//
// Revision 2.1.0 == 0x00, 0x01, 0x02
//
UINT16 UNDI_Loader; ///< Offset of UNDI loader routine in the option ROM image.
UINT16 StackSize; ///< Minimum stack segment size, in bytes, needed to load and run the UNDI.
UINT16 DataSize; ///< UNDI runtime code and data
UINT16 CodeSize; ///< segment sizes.
UINT8 BusType[4]; ///< 'ISAR', 'EISA', 'PCIR', 'PCCR'
} UNDI_ROMID_T;
typedef struct {
UINT8 Signature[4]; ///< Structure signature is not NULL terminated.
UINT8 StructLength; ///< Length of this structure in bytes.
UINT8 StructCksum; ///< Use to make byte checksum of this structure == zero.
UINT8 StructRev; ///< Structure format revision number.
UINT8 BC_Rev[3]; ///< API revision number stored in Intel order.
//
// Revision 2.1.0 == 0x00, 0x01, 0x02
//
UINT16 BC_Loader; ///< Offset of base-code loader routine in the option ROM image.
UINT16 StackSize; ///< Minimum stack segment size (bytes) needed to load/run base-code.
UINT16 DataSize; ///< Base-code runtime code and data
UINT16 CodeSize; ///< segment sizes.
} BC_ROMID_T;
typedef struct {
UINT8 Signature[4]; ///< Structure signature is not NULL terminated.
UINT8 StructLength; ///< Length of this structure in bytes.
UINT8 StructCksum; ///< Use to make byte checksum of this structure == zero.
UINT8 StructRev; ///< Structure format revision number.
UINT8 Reserved1; ///< must be zero
///
/// UNDI_ROMID_T __FAR *UNDI;// Far pointer to UNDI ROMID
///
SEGOFF16 Undi;
///
/// BC_ROMID_T __FAR *Base; // Far pointer to base-code ROMID
///
SEGOFF16 Base;
///
/// UINT16 (__FAR __CDECL *EntryPointSP)(UINT16 func, VOID __FAR *param);
/// 16bit stack segment API entry point. This will be seg:off in
/// real mode and sel:off in 16:16 protected mode.
///
SEGOFF16 EntryPointSP;
///
/// UINT16 (__FAR __CDECL *EntryPointESP)(UINT16 func, VOID __FAR *param);
/// 32bit stack segment API entry point. This will be sel:off.
/// In real mode, sel == 0
///
SEGOFF16 EntryPointESP;
///
/// UINT16 (__FAR __CDECL *StatusCallout)(UINT16 param);
/// Address of DHCP/TFTP status callout routine.
///
SEGOFF16 StatusCallout;
UINT8 Reserved2; ///< must be zero
UINT8 SegDescCnt; ///< Number of segment descriptors in this structure.
UINT16 FirstSelector; ///< First segment descriptor in GDT assigned to PXE.
NEWSEGDESC_T Stack;
NEWSEGDESC_T UNDIData;
NEWSEGDESC_T UNDICode;
NEWSEGDESC_T UNDICodeWrite;
NEWSEGDESC_T BC_Data;
NEWSEGDESC_T BC_Code;
NEWSEGDESC_T BC_CodeWrite;
} PXE_T;
typedef struct {
CHAR8 Signature[6]; ///< "PXENV+"
UINT16 Version; ///< PXE version number. LSB is minor version. MSB is major version.
UINT8 StructLength; ///< Length of PXE-2.0 Entry Point structure in bytes.
UINT8 StructCksum; ///< Used to make structure checksum equal zero.
UINT32 RMEntry; ///< Real mode API entry point segment:offset.
UINT32 PMEntryOff; ///< Protected mode API entry point
UINT16 PMEntrySeg; ///< segment:offset. This will always be zero. Protected mode API calls
///< must be made through the API entry points in the PXE Runtime ID structure.
UINT16 StackSeg; ///< Real mode stack segment.
UINT16 StackSize; ///< Stack segment size in bytes.
UINT16 BaseCodeSeg; ///< Real mode base-code code segment.
UINT16 BaseCodeSize; ///< Base-code code segment size
UINT16 BaseDataSeg; ///< Real mode base-code data segment.
UINT16 BaseDataSize; ///< Base-code data segment size
UINT16 UNDIDataSeg; ///< Real mode UNDI data segment.
UINT16 UNDIDataSize; ///< UNDI data segment size in bytes.
UINT16 UNDICodeSeg; ///< Real mode UNDI code segment.
UINT16 UNDICodeSize; ///< UNDI code segment size in bytes.
PXE_T *RuntimePtr; ///< Real mode segment:offset pointer to PXE Runtime ID structure.
} PXENV_T;
typedef struct {
OUT UINT16 Status;
IN OUT UINT16 Ax;
IN OUT UINT16 Bx;
IN OUT UINT16 Dx;
IN OUT UINT16 Di;
IN OUT UINT16 Es;
IN OUT UINT16 Undi_Ds;
IN OUT UINT16 Undi_Cs;
OUT SEGOFF16 PXEptr;
OUT SEGOFF16 PXENVptr;
} UNDI_LOADER_T;
//
// Put in some UNDI-specific arguments
//
#define PXENV_START_UNDI 0x0000
#define PXENV_UNDI_STARTUP 0x0001
#define PXENV_UNDI_CLEANUP 0x0002
#define PXENV_UNDI_INITIALIZE 0x0003
#define PXENV_UNDI_RESET_NIC 0x0004
#define PXENV_UNDI_SHUTDOWN 0x0005
#define PXENV_UNDI_OPEN 0x0006
#define PXENV_UNDI_CLOSE 0x0007
#define PXENV_UNDI_TRANSMIT 0x0008
#define PXENV_UNDI_SET_MCAST_ADDR 0x0009
#define PXENV_UNDI_SET_STATION_ADDR 0x000A
#define PXENV_UNDI_SET_PACKET_FILTER 0x000B
#define PXENV_UNDI_GET_INFORMATION 0x000C
#define PXENV_UNDI_GET_STATISTICS 0x000D
#define PXENV_UNDI_CLEAR_STATISTICS 0x000E
#define PXENV_UNDI_INITIATE_DIAGS 0x000F
#define PXENV_UNDI_FORCE_INTERRUPT 0x0010
#define PXENV_UNDI_GET_MCAST_ADDR 0x0011
#define PXENV_UNDI_GET_NIC_TYPE 0x0012
#define PXENV_UNDI_GET_NDIS_INFO 0x0013
#define PXENV_UNDI_ISR 0x0014
#define PXENV_STOP_UNDI 0x0015
#define PXENV_UNDI_GET_STATE 0x0016
#define ADDR_LEN 16
#define MAXNUM_MCADDR 8
#define IPLEN 4 ///< length of an IP address
#define XMT_DESTADDR 0x0000 ///< destination address given
#define XMT_BROADCAST 0x0001 ///< use broadcast address
typedef struct {
UINT16 MCastAddrCount; ///< In: Number of multi-cast
/* addresses. */
UINT8 MCastAddr[MAXNUM_MCADDR][ADDR_LEN]; /* In: */
/* list of multi-cast addresses. */
/* Each address can take up to */
/* ADDR_LEN bytes and a maximum */
/* of MAXNUM_MCADDR address can */
/* be provided*/
} PXENV_UNDI_MCAST_ADDR_T;
/* Definitions of TFTP API parameter structures.
*/
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
IN UINT16 Ax; ///< In: These register fields must be
IN UINT16 Bx; ///< filled in with the same data
IN UINT16 Dx; ///< that was passed to the MLID
IN UINT16 Di; ///< option ROM boot code by the
IN UINT16 Es; ///< system BIOS.
} PXENV_START_UNDI_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_STARTUP_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_CLEANUP_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
///
/// This is an input parameter and is a 32-bit physical address of
/// a memory copy of the driver module in the protocol.ini file
/// obtained from the Protocol Manager driver(refer to NDIS 2.0
/// specifications). This parameter is basically supported for
/// the universal NDIS driver to pass the information contained in
/// protocol.ini file to the NIC driver for any specific
/// configuration of the NIC. (Note that the module
/// identification in the protocol.ini file was done by NDIS
/// itself.) This value can be NULL for for any other application
/// interfacing to the Universal NIC Driver.
///
IN UINT32 ProtocolIni;
UINT8 Reserved[8];
} PXENV_UNDI_INITIALIZE_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
IN PXENV_UNDI_MCAST_ADDR_T R_Mcast_Buf; ///< multicast address list
/* see note below */
} PXENV_UNDI_RESET_T;
/*++
Note: The NIC driver does not remember the multicast
addresses provided in any call. So the application must
provide the multicast address list with all the calls that
reset the receive unit of the adapter.
--*/
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_SHUTDOWN_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
///
/// This is an input parameter and is adapter specific. This is
/// supported for Universal NDIS 2.0 driver to pass down the Open
/// flags provided by the protocol driver (See NDIS 2.0
/// specifications). This can be zero.
///
IN UINT16 OpenFlag; ///< In: See description below
IN UINT16 PktFilter; ///< In: Filter for receiving
/* packet. It takes the following */
/* values, multiple values can be */
/* ORed together. */
#define FLTR_DIRECTED 0x0001 ///< directed/multicast
#define FLTR_BRDCST 0x0002 ///< broadcast packets
#define FLTR_PRMSCS 0x0004 ///< any packet on LAN
#define FLTR_SRC_RTG 0x0008 ///< source routing packet
IN PXENV_UNDI_MCAST_ADDR_T McastBuffer; /* In: */
/* See t_PXENV_UNDI_MCAST_ADDR. */
} PXENV_UNDI_OPEN_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_CLOSE_T;
#define MAX_DATA_BLKS 8
typedef struct {
IN UINT16 ImmedLength; ///< In: Data buffer length in
/* bytes. */
UINT16 XmitOffset; ///< 16-bit segment & offset of the
UINT16 XmitSegment; ///< immediate data buffer.
UINT16 DataBlkCount; ///< In: Number of data blocks.
struct DataBlk {
UINT8 TDPtrType; ///< 0 => 32 bit Phys pointer in TDDataPtr, not supported in this version of LSA
///< 1 => seg:offser in TDDataPtr which can be a real mode or 16-bit protected mode pointer
UINT8 TDRsvdByte; ///< Reserved, must be zero.
UINT16 TDDataLen; ///< Data block length in bytes.
UINT16 TDDataPtrOffset; ///< Far pointer to data buffer.
UINT16 TDDataPtrSegment; ///< Far pointer to data buffer.
} DataBlock[MAX_DATA_BLKS];
}
PXENV_UNDI_TBD_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
///
/// This is the protocol of the upper layer that is calling
/// NICTransmit call. If the upper layer has filled the media
/// header this field must be 0.
///
IN UINT8 Protocol;
#define P_UNKNOWN 0
#define P_IP 1
#define P_ARP 2
#define P_RARP 3
///
/// If this flag is 0, the NIC driver expects a pointer to the
/// destination media address in the field DestMediaAddr. If 1,
/// the NIC driver fills the broadcast address for the
/// destination.
///
IN UINT8 XmitFlag;
#define XMT_DESTADDR 0x0000 ///< destination address given
#define XMT_BROADCAST 0x0001 ///< use broadcast address
///
/// This is a pointer to the hardware address of the destination
/// media. It can be null if the destination is not known in
/// which case the XmitFlag contains 1 for broadcast. Destination
/// media address must be obtained by the upper level protocol
/// (with Address Resolution Protocol) and NIC driver does not do
/// any address resolution.
///
IN UINT16 DestAddrOffset; ///< 16-bit segment & offset of the
IN UINT16 DestAddrSegment; ///< destination media address
IN UINT16 TBDOffset; ///< 16-bit segment & offset of the
IN UINT16 TBDSegment; ///< transmit buffer descriptor of type
/// XmitBufferDesc
IN UINT32 Reserved[2];
} PXENV_UNDI_TRANSMIT_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
IN PXENV_UNDI_MCAST_ADDR_T McastBuffer; ///< In:
} PXENV_UNDI_SET_MCAST_ADDR_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
IN UINT8 StationAddress[ADDR_LEN]; ///< new address to be set
} PXENV_UNDI_SET_STATION_ADDR_T;
typedef struct s_PXENV_UNDI_SET_PACKET_FILTER {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
IN UINT8 Filter; ///< In: Receive filter value.
} PXENV_UNDI_SET_PACKET_FILTER_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
OUT UINT16 BaseIo; ///< Out: Adapter's Base IO
OUT UINT16 IntNumber; ///< Out: IRQ number
OUT UINT16 MaxTranUnit; ///< Out: MTU
OUT UINT16 HwType; ///< Out: type of protocol at hardware level
#define ETHER_TYPE 1
#define EXP_ETHER_TYPE 2
#define IEEE_TYPE 6
#define ARCNET_TYPE 7
/*++
other numbers can be obtained from rfc1010 for "Assigned
Numbers". This number may not be validated by the application
and hence adding new numbers to the list should be fine at any
time.
--*/
OUT UINT16 HwAddrLen; ///< Out: actual length of hardware address
OUT UINT8 CurrentNodeAddress[ADDR_LEN]; ///< Out: Current hardware address
OUT UINT8 PermNodeAddress[ADDR_LEN]; ///< Out: Permanent hardware address
OUT UINT16 ROMAddress; ///< Out: ROM address
OUT UINT16 RxBufCt; ///< Out: receive Queue length
OUT UINT16 TxBufCt; ///< Out: Transmit Queue length
} PXENV_UNDI_GET_INFORMATION_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
OUT UINT32 XmtGoodFrames; ///< Out: No. of good transmissions
OUT UINT32 RcvGoodFrames; ///< Out: No. of good frames received
OUT UINT32 RcvCRCErrors; ///< Out: No. of frames with CRC error
OUT UINT32 RcvResourceErrors; ///< Out: no. of frames discarded
/* Out: receive Queue full */
} PXENV_UNDI_GET_STATISTICS_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_CLEAR_STATISTICS_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_INITIATE_DIAGS_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_UNDI_FORCE_INTERRUPT_T;
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
IN UINT32 InetAddr; ///< In: IP Multicast Address
OUT UINT8 MediaAddr[ADDR_LEN]; ///< Out: corresponding hardware
/* multicast address */
} PXENV_UNDI_GET_MCAST_ADDR_T;
typedef struct {
OUT UINT16 Vendor_ID; ///< OUT:
OUT UINT16 Dev_ID; ///< OUT:
OUT UINT8 Base_Class; ///< OUT:
OUT UINT8 Sub_Class; ///< OUT:
OUT UINT8 Prog_Intf; ///< OUT: program interface
OUT UINT8 Rev; ///< OUT: Revision number
OUT UINT16 BusDevFunc; ///< OUT: Bus, Device & Function numbers
OUT UINT16 SubVendor_ID; ///< OUT:
OUT UINT16 SubDevice_ID; ///< OUT:
} PCI_INFO_T;
typedef struct {
OUT UINT32 EISA_Dev_ID; ///< Out:
OUT UINT8 Base_Class; ///< OUT:
OUT UINT8 Sub_Class; ///< OUT:
OUT UINT8 Prog_Intf; ///< OUT: program interface
OUT UINT16 CardSelNum; ///< OUT: Card Selector Number
OUT UINT8 Reserved; ///< to make it 10 bytes
} PNP_INFO_T;
typedef union {
PCI_INFO_T Pci;
PNP_INFO_T Pnp;
} PCI_PNP_INFO_T;
typedef struct {
OUT UINT16 Status; ///< OUT: PXENV_STATUS_xxx
OUT UINT8 NicType; ///< OUT: 2=PCI, 3=PnP
PCI_PNP_INFO_T PciPnpInfo;
} PXENV_UNDI_GET_NIC_TYPE_T;
typedef struct {
OUT UINT16 Status; ///< OUT: PXENV_STATUS_xxx
OUT UINT8 IfaceType[16]; ///< OUT: Type name of MAC, AsciiZ
/* format. This is used by the */
/* Universal NDIS Driver to fill */
/* the driver type in it's MAC */
/* Service specific */
/* characteristic table */
OUT UINT32 LinkSpeed; ///< OUT:
OUT UINT32 ServiceFlags; ///< OUT: as defined in NDIS Spec 2.0X
OUT UINT32 Reserved[4]; ///< OUT: will be filled with 0s till defined
} PXENV_UNDI_GET_NDIS_INFO_T;
typedef struct {
OUT UINT16 Status; ///< OUT: PXENV_STATUS_xxx
IN OUT UINT16 FuncFlag; ///< In: PXENV_UNDI_ISR_IN_xxx
/* Out: PXENV_UNDI_ISR_OUT_xxx */
OUT UINT16 BufferLength;
OUT UINT16 FrameLength;
OUT UINT16 FrameHeaderLength;
OUT UINT16 FrameOffset;
OUT UINT16 FrameSegSel;
OUT UINT8 ProtType;
OUT UINT8 PktType;
} PXENV_UNDI_ISR_T;
#define PXENV_UNDI_ISR_IN_START 1 /* This function must be first */
/* when an interrupt is received. */
/* It will tell us if the intr */
/* was generated by our device. */
#define PXENV_UNDI_ISR_IN_PROCESS 2 /* Call to start processing one of */
/* our interrupts. */
#define PXENV_UNDI_ISR_IN_GET_NEXT 3 /* Call to start/continue receiving */
/* data from receive buffer(s). */
/*++
Possible responses from PXENV_UNDI_ISR_IN_START
--*/
#define PXENV_UNDI_ISR_OUT_OURS 0 ///< This is our interrupt. Deal with it.
#define PXENV_UNDI_ISR_OUT_NOT_OURS 1 ///< This is not our interrupt.
/*++
Possible responses from PXENV_UNDI_ISR_IN_PROCESS and
PXENV_UNDI_ISR_IN_PROCESS
--*/
#define PXENV_UNDI_ISR_OUT_DONE 0 ///< We are done processing this interrupt.
#define PXENV_UNDI_ISR_OUT_TRANSMIT 2 ///< We completed a transmit interrupt.
#define PXENV_UNDI_ISR_OUT_RECEIVE 3 ///< Get data from receive buffer.
#define PXENV_UNDI_ISR_OUT_BUSY 4 /* ? */
typedef struct {
UINT16 Status; ///< Out: PXENV_STATUS_xxx
} PXENV_STOP_UNDI_T;
#define PXENV_UNDI_STARTED 1 ///< not even initialized
#define PXENV_UNDI_INITIALIZED 2 ///< initialized and closed (not opened)
#define PXENV_UNDI_OPENED 3 ///< initialized & opened
typedef struct {
OUT UINT16 Status; ///< Out: PXENV_STATUS_xxx
UINT16 UNDI_State;
} PXENV_UNDI_GET_STATE_T;
#pragma pack()
#endif

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## @file
# Thunk wrapper UEFI driver to produce EFI SNP protocol based on legacy 16 NIC ROM.
#
# Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
BASE_NAME = BiosSnp16
FILE_GUID = D0CAA91E-2DE4-4b0d-B3DC-09C67E854E34
MODULE_TYPE = UEFI_DRIVER
INF_VERSION = 0x00010005
VERSION_STRING = 1.0
ENTRY_POINT = BiosSnp16DriverEntryPoint
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
# DRIVER_BINDING = gBiosSnp16DriverBinding
# COMPONENT_NAME = gBiosSnp16ComponentName
#
[Sources]
BiosSnp16.h
BiosSnp16.c
Misc.c
Pxe.h
PxeUndi.c
ComponentName.c
[Libraryclasses]
UefiDriverEntryPoint
DebugLib
BaseMemoryLib
UefiBootServicesTableLib
UefiLib
BaseLib
DevicePathLib
MemoryAllocationLib
[Guids]
gEfiEventExitBootServicesGuid
[Protocols]
gEfiNetworkInterfaceIdentifierProtocolGuid
gEfiDevicePathProtocolGuid
gEfiSimpleNetworkProtocolGuid
gEfiPciIoProtocolGuid
gEfiLegacyBiosProtocolGuid
[Packages]
MdePkg/MdePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec

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/** @file
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _BIOS_GRAPHICS_OUTPUT_H_
#define _BIOS_GRAPHICS_OUTPUT_H_
#include <FrameworkDxe.h>
#include <Protocol/PciIo.h>
#include <Protocol/EdidActive.h>
#include <Protocol/DevicePath.h>
#include <Protocol/EdidDiscovered.h>
#include <Protocol/LegacyBios.h>
#include <Protocol/VgaMiniPort.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/EdidOverride.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Guid/LegacyBios.h>
#include <Guid/EventGroup.h>
#include <Library/PcdLib.h>
#include <Library/DebugLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <IndustryStandard/Pci.h>
#include "VesaBiosExtensions.h"
//
// Packed format support: The number of bits reserved for each of the colors and the actual
// position of RGB in the frame buffer is specified in the VBE Mode information
//
typedef struct {
UINT8 Position; // Position of the color
UINT8 Mask; // The number of bits expressed as a mask
} BIOS_VIDEO_COLOR_PLACEMENT;
//
// BIOS Graphics Output Graphical Mode Data
//
typedef struct {
UINT16 VbeModeNumber;
UINT16 BytesPerScanLine;
VOID *LinearFrameBuffer;
UINTN FrameBufferSize;
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINT32 BitsPerPixel;
BIOS_VIDEO_COLOR_PLACEMENT Red;
BIOS_VIDEO_COLOR_PLACEMENT Green;
BIOS_VIDEO_COLOR_PLACEMENT Blue;
BIOS_VIDEO_COLOR_PLACEMENT Reserved;
EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
EFI_PIXEL_BITMASK PixelBitMask;
} BIOS_VIDEO_MODE_DATA;
//
// BIOS video child handle private data Structure
//
#define BIOS_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
//
// Consumed Protocols
//
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
//
// Original PCI attributes
//
UINT64 OriginalPciAttributes;
//
// Produced Protocols
//
EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
EFI_EDID_ACTIVE_PROTOCOL EdidActive;
EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
//
// General fields
//
BOOLEAN VgaCompatible;
BOOLEAN ProduceGraphicsOutput;
//
// Graphics Output Protocol related fields
//
BOOLEAN HardwareNeedsStarting;
UINTN CurrentMode;
UINTN MaxMode;
BIOS_VIDEO_MODE_DATA *ModeData;
UINT8 *LineBuffer;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
UINT8 *VgaFrameBuffer;
//
// VESA Bios Extensions related fields
//
UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
//
// Status code
//
EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
EFI_EVENT ExitBootServicesEvent;
} BIOS_VIDEO_DEV;
#define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)
#define BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, BIOS_VIDEO_DEV, GraphicsOutput, BIOS_VIDEO_DEV_SIGNATURE)
#define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_VIDEO_DEV_SIGNATURE)
#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2;
//
// Driver Binding Protocol functions
//
/**
Supported.
@param This Pointer to driver binding protocol
@param Controller Controller handle to connect
@param RemainingDevicePath A pointer to the remaining portion of a device
path
@retval EFI_STATUS EFI_SUCCESS:This controller can be managed by this
driver, Otherwise, this controller cannot be
managed by this driver
**/
EFI_STATUS
EFIAPI
BiosVideoDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Install Graphics Output Protocol onto VGA device handles.
@param This Pointer to driver binding protocol
@param Controller Controller handle to connect
@param RemainingDevicePath A pointer to the remaining portion of a device
path
@return EFI_STATUS
**/
EFI_STATUS
EFIAPI
BiosVideoDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop.
@param This Pointer to driver binding protocol
@param Controller Controller handle to connect
@param NumberOfChildren Number of children handle created by this driver
@param ChildHandleBuffer Buffer containing child handle created
@retval EFI_SUCCESS Driver disconnected successfully from controller
@retval EFI_UNSUPPORTED Cannot find BIOS_VIDEO_DEV structure
**/
EFI_STATUS
EFIAPI
BiosVideoDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// Private worker functions
//
/**
Check for VBE device.
@param BiosVideoPrivate Pointer to BIOS_VIDEO_DEV structure
@retval EFI_SUCCESS VBE device found
**/
EFI_STATUS
BiosVideoCheckForVbe (
IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
);
/**
Check for VGA device.
@param BiosVideoPrivate Pointer to BIOS_VIDEO_DEV structure
@retval EFI_SUCCESS Standard VGA device found
**/
EFI_STATUS
BiosVideoCheckForVga (
IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
);
/**
Release resource for biso video instance.
@param BiosVideoPrivate Video child device private data structure
**/
VOID
BiosVideoDeviceReleaseResource (
BIOS_VIDEO_DEV *BiosVideoPrivate
);
//
// BIOS Graphics Output Protocol functions
//
/**
Graphics Output protocol interface to get video mode.
@param This Protocol instance pointer.
@param ModeNumber The mode number to return information on.
@param SizeOfInfo A pointer to the size, in bytes, of the Info
buffer.
@param Info Caller allocated buffer that returns information
about ModeNumber.
@retval EFI_SUCCESS Mode information returned.
@retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the
video mode.
@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
@retval EFI_INVALID_PARAMETER One of the input args was NULL.
**/
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputQueryMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber,
OUT UINTN *SizeOfInfo,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
);
/**
Graphics Output protocol interface to set video mode.
@param This Protocol instance pointer.
@param ModeNumber The mode number to be set.
@retval EFI_SUCCESS Graphics mode was changed.
@retval EFI_DEVICE_ERROR The device had an error and could not complete the
request.
@retval EFI_UNSUPPORTED ModeNumber is not supported by this device.
**/
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputSetMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
IN UINT32 ModeNumber
);
/**
Graphics Output protocol instance to block transfer for VBE device.
@param This Pointer to Graphics Output protocol instance
@param BltBuffer The data to transfer to screen
@param BltOperation The operation to perform
@param SourceX The X coordinate of the source for BltOperation
@param SourceY The Y coordinate of the source for BltOperation
@param DestinationX The X coordinate of the destination for
BltOperation
@param DestinationY The Y coordinate of the destination for
BltOperation
@param Width The width of a rectangle in the blt rectangle in
pixels
@param Height The height of a rectangle in the blt rectangle in
pixels
@param Delta Not used for EfiBltVideoFill and
EfiBltVideoToVideo operation. If a Delta of 0 is
used, the entire BltBuffer will be operated on. If
a subrectangle of the BltBuffer is used, then
Delta represents the number of bytes in a row of
the BltBuffer.
@retval EFI_INVALID_PARAMETER Invalid parameter passed in
@retval EFI_SUCCESS Blt operation success
**/
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputVbeBlt (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
);
/**
Grahpics Output protocol instance to block transfer for VGA device.
@param This Pointer to Grahpics Output protocol instance
@param BltBuffer The data to transfer to screen
@param BltOperation The operation to perform
@param SourceX The X coordinate of the source for BltOperation
@param SourceY The Y coordinate of the source for BltOperation
@param DestinationX The X coordinate of the destination for
BltOperation
@param DestinationY The Y coordinate of the destination for
BltOperation
@param Width The width of a rectangle in the blt rectangle in
pixels
@param Height The height of a rectangle in the blt rectangle in
pixels
@param Delta Not used for EfiBltVideoFill and
EfiBltVideoToVideo operation. If a Delta of 0 is
used, the entire BltBuffer will be operated on. If
a subrectangle of the BltBuffer is used, then
Delta represents the number of bytes in a row of
the BltBuffer.
@retval EFI_INVALID_PARAMETER Invalid parameter passed in
@retval EFI_SUCCESS Blt operation success
**/
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputVgaBlt (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
);
//
// BIOS VGA Mini Port Protocol functions
//
/**
VgaMiniPort protocol interface to set mode.
@param This Pointer to VgaMiniPort protocol instance
@param ModeNumber The index of the mode
@retval EFI_UNSUPPORTED The requested mode is not supported
@retval EFI_SUCCESS The requested mode is set successfully
**/
EFI_STATUS
EFIAPI
BiosVideoVgaMiniPortSetMode (
IN EFI_VGA_MINI_PORT_PROTOCOL *This,
IN UINTN ModeNumber
);
/**
Event handler for Exit Boot Service.
@param Event The event that be siganlled when exiting boot service.
@param Context Pointer to instance of BIOS_VIDEO_DEV.
**/
VOID
EFIAPI
BiosVideoNotifyExitBootServices (
IN EFI_EVENT Event,
IN VOID *Context
);
//
// Standard VGA Definitions
//
#define VGA_HORIZONTAL_RESOLUTION 640
#define VGA_VERTICAL_RESOLUTION 480
#define VGA_NUMBER_OF_BIT_PLANES 4
#define VGA_PIXELS_PER_BYTE 8
#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
#define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04
#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07
#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
/**
Install child handles if the Handle supports MBR format.
@param This Calling context.
@param ParentHandle Parent Handle
@param ParentPciIo Parent PciIo interface
@param ParentLegacyBios Parent LegacyBios interface
@param ParentDevicePath Parent Device Path
@param RemainingDevicePath Remaining Device Path
@param OriginalPciAttributes Original PCI Attributes
@retval EFI_SUCCESS If a child handle was added
@retval other A child handle was not added
**/
EFI_STATUS
BiosVideoChildHandleInstall (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ParentHandle,
IN EFI_PCI_IO_PROTOCOL *ParentPciIo,
IN EFI_LEGACY_BIOS_PROTOCOL *ParentLegacyBios,
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath,
IN UINT64 OriginalPciAttributes
);
/**
Deregister an video child handle and free resources.
@param This Protocol instance pointer.
@param Controller Video controller handle
@param Handle Video child handle
@return EFI_STATUS
**/
EFI_STATUS
BiosVideoChildHandleUninstall (
EFI_DRIVER_BINDING_PROTOCOL *This,
EFI_HANDLE Controller,
EFI_HANDLE Handle
);
/**
Release resource for biso video instance.
@param BiosVideoPrivate Video child device private data structure
**/
VOID
BiosVideoDeviceReleaseResource (
BIOS_VIDEO_DEV *BiosVideoPrivate
);
#endif

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/** @file
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "BiosVideo.h"
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosVideoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosVideoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName = {
BiosVideoComponentNameGetDriverName,
BiosVideoComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) BiosVideoComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) BiosVideoComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mBiosVideoDriverNameTable[] = {
{
"eng;en",
L"BIOS[INT10] Video Driver"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosVideoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mBiosVideoDriverNameTable,
DriverName,
(BOOLEAN)(This == &gBiosVideoComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
BiosVideoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
}

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/** @file
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _VESA_BIOS_EXTENSIONS_H_
#define _VESA_BIOS_EXTENSIONS_H_
//
// Turn on byte packing of data structures
//
#pragma pack(1)
//
// VESA BIOS Extensions status codes
//
#define VESA_BIOS_EXTENSIONS_STATUS_SUCCESS 0x004f
//
// VESA BIOS Extensions Services
//
#define VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION 0x4f00
/*++
Routine Description:
Function 00 : Return Controller Information
Arguments:
Inputs:
AX = 0x4f00
ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK structure
Outputs:
AX = Return Status
--*/
#define VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION 0x4f01
/*++
Routine Description:
Function 01 : Return Mode Information
Arguments:
Inputs:
AX = 0x4f01
CX = Mode Number
ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK structure
Outputs:
AX = Return Status
--*/
#define VESA_BIOS_EXTENSIONS_SET_MODE 0x4f02
/*++
Routine Description:
Function 02 : Set Mode
Arguments:
Inputs:
AX = 0x4f02
BX = Desired mode to set
D0-D8 = Mode Number
D9-D10 = Reserved (must be 0)
D11 = 0 - Use current default refresh rate
= 1 - Use user specfieid CRTC values for refresh rate
D12-D13 = Reserved (must be 0)
D14 = 0 - Use windowed frame buffer model
= 1 - Use linear/flat frame buffer model
D15 = 0 - Clear display memory
= 1 - Don't clear display memory
ES:DI = Pointer to buffer to the VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK structure
Outputs:
AX = Return Status
--*/
#define VESA_BIOS_EXTENSIONS_RETURN_CURRENT_MODE 0x4f03
/*++
Routine Description:
Function 03 : Return Current Mode
Arguments:
Inputs:
AX = 0x4f03
Outputs:
AX = Return Status
BX = Current mode
D0-D13 = Mode Number
D14 = 0 - Windowed frame buffer model
= 1 - Linear/flat frame buffer model
D15 = 0 - Memory cleared at last mode set
= 1 - Memory not cleared at last mode set
--*/
#define VESA_BIOS_EXTENSIONS_SAVE_RESTORE_STATE 0x4f04
/*++
Routine Description:
Function 04 : Save/Restore State
Arguments:
Inputs:
AX = 0x4f03
DL = 0x00 - Return Save/Restore State buffer size
= 0x01 - Save State
= 0x02 - Restore State
CX = Requested Status
D0 = Save/Restore controller hardware state
D1 = Save/Restore BIOS data state
D2 = Save/Restore DAC state
D3 = Save/Restore Regsiter state
ES:BX = Pointer to buffer if DL=1 or DL=2
Outputs:
AX = Return Status
BX = Number of 64 byte blocks to hold the state buffer if DL=0
--*/
#define VESA_BIOS_EXTENSIONS_EDID 0x4f15
/*++
Routine Description:
Function 15 : implement VBE/DDC service
Arguments:
Inputs:
AX = 0x4f15
BL = 0x00 - Report VBE/DDC Capabilities
CX = 0x00 - Controller unit number (00 = primary controller)
ES:DI = Null pointer, must be 0:0 in version 1.0
Outputs:
AX = Return Status
BH = Approx. time in seconds, rounded up, to transfer one EDID block(128 bytes)
BL = DDC level supported
D0 = 0 DDC1 not supported
= 1 DDC1 supported
D1 = 0 DDC2 not supported
= 1 DDC2 supported
D2 = 0 Screen not blanked during data transfer
= 1 Screen blanked during data transfer
Inputs:
AX = 0x4f15
BL = 0x01 - Read EDID
CX = 0x00 - Controller unit number (00 = primary controller)
DX = 0x00 - EDID block number
ES:DI = Pointer to buffer in which the EDID block is returned
Outputs:
AX = Return Status
--*/
//
// Timing data from EDID data block
//
#define VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE 128
#define VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER 17
typedef struct {
UINT16 HorizontalResolution;
UINT16 VerticalResolution;
UINT16 RefreshRate;
} VESA_BIOS_EXTENSIONS_EDID_TIMING;
typedef struct {
UINT32 ValidNumber;
UINT32 Key[VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER];
} VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING;
typedef struct {
UINT8 Header[8]; //EDID header "00 FF FF FF FF FF FF 00"
UINT16 ManufactureName; //EISA 3-character ID
UINT16 ProductCode; //Vendor assigned code
UINT32 SerialNumber; //32-bit serial number
UINT8 WeekOfManufacture; //Week number
UINT8 YearOfManufacture; //Year
UINT8 EdidVersion; //EDID Structure Version
UINT8 EdidRevision; //EDID Structure Revision
UINT8 VideoInputDefinition;
UINT8 MaxHorizontalImageSize; //cm
UINT8 MaxVerticalImageSize; //cm
UINT8 DisplayTransferCharacteristic;
UINT8 FeatureSupport;
UINT8 RedGreenLowBits; //Rx1 Rx0 Ry1 Ry0 Gx1 Gx0 Gy1Gy0
UINT8 BlueWhiteLowBits; //Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0
UINT8 RedX; //Red-x Bits 9 - 2
UINT8 RedY; //Red-y Bits 9 - 2
UINT8 GreenX; //Green-x Bits 9 - 2
UINT8 GreenY; //Green-y Bits 9 - 2
UINT8 BlueX; //Blue-x Bits 9 - 2
UINT8 BlueY; //Blue-y Bits 9 - 2
UINT8 WhiteX; //White-x Bits 9 - 2
UINT8 WhiteY; //White-x Bits 9 - 2
UINT8 EstablishedTimings[3];
UINT8 StandardTimingIdentification[16];
UINT8 DetailedTimingDescriptions[72];
UINT8 ExtensionFlag; //Number of (optional) 128-byte EDID extension blocks to follow
UINT8 Checksum;
} VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK;
//
// Super VGA Information Block
//
typedef struct {
UINT32 VESASignature; // 'VESA' 4 byte signature
UINT16 VESAVersion; // VBE version number
UINT32 OEMStringPtr; // Pointer to OEM string
UINT32 Capabilities; // Capabilities of video card
UINT32 VideoModePtr; // Pointer to an array of 16-bit supported modes values terminated by 0xFFFF
UINT16 TotalMemory; // Number of 64kb memory blocks
UINT16 OemSoftwareRev; // VBE implementation Software revision
UINT32 OemVendorNamePtr; // VbeFarPtr to Vendor Name String
UINT32 OemProductNamePtr; // VbeFarPtr to Product Name String
UINT32 OemProductRevPtr; // VbeFarPtr to Product Revision String
UINT8 Reserved[222]; // Reserved for VBE implementation scratch area
UINT8 OemData[256]; // Data area for OEM strings. Pad to 512 byte block size
} VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK;
//
// Super VGA Information Block VESASignature values
//
#define VESA_BIOS_EXTENSIONS_VESA_SIGNATURE SIGNATURE_32 ('V', 'E', 'S', 'A')
#define VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE SIGNATURE_32 ('V', 'B', 'E', '2')
//
// Super VGA Information Block VESAVersion values
//
#define VESA_BIOS_EXTENSIONS_VERSION_1_2 0x0102
#define VESA_BIOS_EXTENSIONS_VERSION_2_0 0x0200
#define VESA_BIOS_EXTENSIONS_VERSION_3_0 0x0300
//
// Super VGA Information Block Capabilities field bit defintions
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_8_BIT_DAC 0x01 // 0: DAC width is fixed at 6 bits/color
// 1: DAC width switchable to 8 bits/color
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_VGA 0x02 // 0: Controller is VGA compatible
// 1: Controller is not VGA compatible
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_NORMAL_RAMDAC 0x04 // 0: Normal RAMDAC operation
// 1: Use blank bit in function 9 to program RAMDAC
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_STEREOSCOPIC 0x08 // 0: No hardware stereoscopic signal support
// 1: Hardware stereoscopic signal support
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_VESA_EVC 0x10 // 0: Stero signaling supported via external VESA stereo connector
// 1: Stero signaling supported via VESA EVC connector
//
// Super VGA mode number bite field definitions
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA 0x0100 // 0: Not a VESA defined VBE mode
// 1: A VESA defined VBE mode
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_REFRESH_CONTROL_USER 0x0800 // 0: Use current BIOS default referesh rate
// 1: Use the user specified CRTC values for refresh rate
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER 0x4000 // 0: Use a banked/windowed frame buffer
// 1: Use a linear/flat frame buffer
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_PRESERVE_MEMORY 0x8000 // 0: Clear display memory
// 1: Preseve display memory
//
// Super VGA Information Block mode list terminator value
//
#define VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST 0xffff
//
// Window Function
//
typedef
VOID
(*VESA_BIOS_EXTENSIONS_WINDOW_FUNCTION) (
VOID
);
//
// Super VGA Mode Information Block
//
typedef struct {
//
// Manadory fields for all VESA Bios Extensions revisions
//
UINT16 ModeAttributes; // Mode attributes
UINT8 WinAAttributes; // Window A attributes
UINT8 WinBAttributes; // Window B attributes
UINT16 WinGranularity; // Window granularity in k
UINT16 WinSize; // Window size in k
UINT16 WinASegment; // Window A segment
UINT16 WinBSegment; // Window B segment
UINT32 WindowFunction; // Pointer to window function
UINT16 BytesPerScanLine; // Bytes per scanline
//
// Manadory fields for VESA Bios Extensions 1.2 and above
//
UINT16 XResolution; // Horizontal resolution
UINT16 YResolution; // Vertical resolution
UINT8 XCharSize; // Character cell width
UINT8 YCharSize; // Character cell height
UINT8 NumberOfPlanes; // Number of memory planes
UINT8 BitsPerPixel; // Bits per pixel
UINT8 NumberOfBanks; // Number of CGA style banks
UINT8 MemoryModel; // Memory model type
UINT8 BankSize; // Size of CGA style banks
UINT8 NumberOfImagePages; // Number of images pages
UINT8 Reserved1; // Reserved
UINT8 RedMaskSize; // Size of direct color red mask
UINT8 RedFieldPosition; // Bit posn of lsb of red mask
UINT8 GreenMaskSize; // Size of direct color green mask
UINT8 GreenFieldPosition; // Bit posn of lsb of green mask
UINT8 BlueMaskSize; // Size of direct color blue mask
UINT8 BlueFieldPosition; // Bit posn of lsb of blue mask
UINT8 RsvdMaskSize; // Size of direct color res mask
UINT8 RsvdFieldPosition; // Bit posn of lsb of res mask
UINT8 DirectColorModeInfo; // Direct color mode attributes
//
// Manadory fields for VESA Bios Extensions 2.0 and above
//
UINT32 PhysBasePtr; // Physical Address for flat memory frame buffer
UINT32 Reserved2; // Reserved
UINT16 Reserved3; // Reserved
//
// Manadory fields for VESA Bios Extensions 3.0 and above
//
UINT16 LinBytesPerScanLine; // Bytes/scan line for linear modes
UINT8 BnkNumberOfImagePages; // Number of images for banked modes
UINT8 LinNumberOfImagePages; // Number of images for linear modes
UINT8 LinRedMaskSize; // Size of direct color red mask (linear mode)
UINT8 LinRedFieldPosition; // Bit posiiton of lsb of red mask (linear modes)
UINT8 LinGreenMaskSize; // Size of direct color green mask (linear mode)
UINT8 LinGreenFieldPosition; // Bit posiiton of lsb of green mask (linear modes)
UINT8 LinBlueMaskSize; // Size of direct color blue mask (linear mode)
UINT8 LinBlueFieldPosition; // Bit posiiton of lsb of blue mask (linear modes)
UINT8 LinRsvdMaskSize; // Size of direct color reserved mask (linear mode)
UINT8 LinRsvdFieldPosition; // Bit posiiton of lsb of reserved mask (linear modes)
UINT32 MaxPixelClock; // Maximum pixel clock (in Hz) for graphics mode
UINT8 Pad[190]; // Pad to 256 byte block size
} VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK;
//
// Super VGA Mode Information Block ModeAttributes field bit defintions
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_HARDWARE 0x0001 // 0: Mode not supported in handware
// 1: Mode supported in handware
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_TTY 0x0004 // 0: TTY Output functions not supported by BIOS
// 1: TTY Output functions supported by BIOS
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR 0x0008 // 0: Monochrome mode
// 1: Color mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS 0x0010 // 0: Text mode
// 1: Graphics mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_VGA 0x0020 // 0: VGA compatible mode
// 1: Not a VGA compatible mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_WINDOWED 0x0040 // 0: VGA compatible windowed memory mode
// 1: Not a VGA compatible windowed memory mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER 0x0080 // 0: No linear fram buffer mode available
// 1: Linear frame buffer mode available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DOUBLE_SCAN 0x0100 // 0: No double scan mode available
// 1: Double scan mode available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_INTERLACED 0x0200 // 0: No interlaced mode is available
// 1: Interlaced mode is available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NO_TRIPPLE_BUFFER 0x0400 // 0: No hardware triple buffer mode support available
// 1: Hardware triple buffer mode support available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_STEREOSCOPIC 0x0800 // 0: No hardware steroscopic display support
// 1: Hardware steroscopic display support
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DUAL_DISPLAY 0x1000 // 0: No dual display start address support
// 1: Dual display start address support
//
// Super VGA Mode Information Block WinAAttribite/WinBAttributes field bit defintions
//
#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_RELOCATABLE 0x01 // 0: Single non-relocatable window only
// 1: Relocatable window(s) are supported
//
#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_READABLE 0x02 // 0: Window is not readable
// 1: Window is readable
//
#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_WRITABLE 0x04 // 0: Window is not writable
// 1: Window is writable
//
// Super VGA Mode Information Block DirectColorMode field bit defintions
//
#define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_PROG_COLOR_RAMP 0x01 // 0: Color ram is fixed
// 1: Color ramp is programmable
//
#define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_RSVD_USABLE 0x02 // 0: Bits in Rsvd field are reserved
// 1: Bits in Rsdv field are usable
//
// Super VGA Memory Models
//
typedef enum {
MemPL = 3, // Planar memory model
MemPK = 4, // Packed pixel memory model
MemRGB= 6, // Direct color RGB memory model
MemYUV= 7 // Direct color YUV memory model
} VESA_BIOS_EXTENSIONS_MEMORY_MODELS;
//
// Super VGA CRTC Information Block
//
typedef struct {
UINT16 HorizontalTotal; // Horizontal total in pixels
UINT16 HorizontalSyncStart; // Horizontal sync start in pixels
UINT16 HorizontalSyncEnd; // Horizontal sync end in pixels
UINT16 VericalTotal; // Vertical total in pixels
UINT16 VericalSyncStart; // Vertical sync start in pixels
UINT16 VericalSyncEnd; // Vertical sync end in pixels
UINT8 Flags; // Flags (Interlaced/DoubleScan/etc).
UINT32 PixelClock; // Pixel clock in units of Hz
UINT16 RefreshRate; // Refresh rate in units of 0.01 Hz
UINT8 Reserved[40]; // Pad
} VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK;
#define VESA_BIOS_EXTENSIONS_CRTC_FLAGS_DOUBLE_SCAN 0x01 // 0: Graphics mode is not souble scanned
// 1: Graphics mode is double scanned
//
#define VESA_BIOS_EXTENSIONS_CRTC_FLAGSINTERLACED 0x02 // 0: Graphics mode is not interlaced
// 1: Graphics mode is interlaced
//
#define VESA_BIOS_EXTENSIONS_CRTC_HORIZONTAL_SYNC_NEGATIVE 0x04 // 0: Horizontal sync polarity is positive(+)
// 0: Horizontal sync polarity is negative(-)
//
#define VESA_BIOS_EXTENSIONS_CRTC_VERITICAL_SYNC_NEGATIVE 0x08 // 0: Verical sync polarity is positive(+)
// 0: Verical sync polarity is negative(-)
//
// Turn off byte packing of data structures
//
#pragma pack()
#endif

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IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf Normal file
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## @file
# Video driver based on legacy bios.
#
# This driver by using Legacy Bios protocol service to support csm Video
# and produce Graphics Output Protocol.
#
# Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = BiosVideoDxe
FILE_GUID = 0B04B2ED-861C-42cd-A22F-C3AAFACCB896
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = BiosVideoEntryPoint
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
# DRIVER_BINDING = gBiosVideoDriverBinding
# COMPONENT_NAME = gBiosVideoComponentName
#
[Sources]
BiosVideo.c
BiosVideo.h
ComponentName.c
VesaBiosExtensions.h
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
[LibraryClasses]
MemoryAllocationLib
DevicePathLib
UefiLib
UefiBootServicesTableLib
UefiDriverEntryPoint
BaseMemoryLib
ReportStatusCodeLib
DebugLib
PcdLib
[Guids]
gEfiLegacyBiosGuid # ALWAYS_PRODUCED
gEfiEventExitBootServicesGuid
[Protocols]
gEfiVgaMiniPortProtocolGuid # PROTOCOL BY_START
gEfiEdidDiscoveredProtocolGuid # PROTOCOL BY_START
gEfiGraphicsOutputProtocolGuid # PROTOCOL BY_START
gEfiEdidActiveProtocolGuid # PROTOCOL BY_START
gEfiLegacyBiosProtocolGuid # PROTOCOL TO_START
gEfiPciIoProtocolGuid # PROTOCOL TO_START
gEfiDevicePathProtocolGuid # PROTOCOL TO_START
gEfiEdidOverrideProtocolGuid # PROTOCOL TO_START
[Pcd]
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable

67
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/IA32/InterruptTable.S Normal file
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## @file
# Interrupt Redirection Template
#
# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
ASM_GLOBAL ASM_PFX(InterruptRedirectionTemplate)
#----------------------------------------------------------------------------
# Procedure: InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F
#
# Input: None
#
# Output: None
#
# Prototype: VOID
# InterruptRedirectionTemplate (
# VOID
# );
#
# Saves: None
#
# Modified: None
#
# Description: Contains the code that is copied into low memory (below 640K).
# This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.
# This template must be copied into low memory, and the IDT entries
# 0x68-0x6F must be point to the low memory copy of this code. Each
# entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily
# computed.
#
#----------------------------------------------------------------------------
ASM_PFX(InterruptRedirectionTemplate):
int $0x8
.byte 0xcf
nop
int $0x9
.byte 0xcf
nop
int $0xa
.byte 0xcf
nop
int $0xb
.byte 0xcf
nop
int $0xc
.byte 0xcf
nop
int $0xd
.byte 0xcf
nop
int $0xe
.byte 0xcf
nop
int $0xf
.byte 0xcf
nop

73
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;; @file
; Interrupt Redirection Template
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
;
; This program and the accompanying materials
; are licensed and made available under the terms and conditions
; of the BSD License which accompanies this distribution. The
; full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;;
.686P
.MODEL FLAT, C
.CODE
;----------------------------------------------------------------------------
; Procedure: InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F
;
; Input: None
;
; Output: None
;
; Prototype: VOID
; InterruptRedirectionTemplate (
; VOID
; );
;
; Saves: None
;
; Modified: None
;
; Description: Contains the code that is copied into low memory (below 640K).
; This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.
; This template must be copied into low memory, and the IDT entries
; 0x68-0x6F must be point to the low memory copy of this code. Each
; entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily
; computed.
;
;----------------------------------------------------------------------------
InterruptRedirectionTemplate PROC C
int 08h
DB 0cfh ; IRET
nop
int 09h
DB 0cfh ; IRET
nop
int 0ah
DB 0cfh ; IRET
nop
int 0bh
DB 0cfh ; IRET
nop
int 0ch
DB 0cfh ; IRET
nop
int 0dh
DB 0cfh ; IRET
nop
int 0eh
DB 0cfh ; IRET
nop
int 0fh
DB 0cfh ; IRET
nop
InterruptRedirectionTemplate ENDP
END

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/** @file
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
/**
Assign drive number to legacy HDD drives prior to booting an EFI
aware OS so the OS can access drives without an EFI driver.
Note: BBS compliant drives ARE NOT available until this call by
either shell or EFI.
@param This Protocol instance pointer.
@param BbsCount Number of BBS_TABLE structures
@param BbsTable List BBS entries
@retval EFI_SUCCESS Drive numbers assigned
**/
EFI_STATUS
EFIAPI
LegacyBiosPrepareToBootEfi (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
OUT UINT16 *BbsCount,
OUT BBS_TABLE **BbsTable
)
{
//
// Shadow All Opion ROM
//
LegacyBiosShadowAllLegacyOproms (This);
return EFI_SUCCESS;
}
/**
To boot from an unconventional device like parties and/or execute
HDD diagnostics.
@param This Protocol instance pointer.
@param Attributes How to interpret the other input parameters
@param BbsEntry The 0-based index into the BbsTable for the
parent device.
@param BeerData Pointer to the 128 bytes of ram BEER data.
@param ServiceAreaData Pointer to the 64 bytes of raw Service Area data.
The caller must provide a pointer to the specific
Service Area and not the start all Service Areas.
EFI_INVALID_PARAMETER if error. Does NOT return if no error.
**/
EFI_STATUS
EFIAPI
LegacyBiosBootUnconventionalDevice (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UDC_ATTRIBUTES Attributes,
IN UINTN BbsEntry,
IN VOID *BeerData,
IN VOID *ServiceAreaData
)
{
return EFI_INVALID_PARAMETER;
}
/**
Attempt to legacy boot the BootOption. If the EFI contexted has been
compromised this function will not return.
@param This Protocol instance pointer.
@param BbsDevicePath EFI Device Path from BootXXXX variable.
@param LoadOptionsSize Size of LoadOption in size.
@param LoadOptions LoadOption from BootXXXX variable
@retval EFI_SUCCESS Removable media not present
**/
EFI_STATUS
EFIAPI
LegacyBiosLegacyBoot (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN BBS_BBS_DEVICE_PATH *BbsDevicePath,
IN UINT32 LoadOptionsSize,
IN VOID *LoadOptions
)
{
return EFI_UNSUPPORTED;
}
/**
Build the E820 table.
@param Private Legacy BIOS Instance data
@param Size Size of E820 Table
@retval EFI_SUCCESS It should always work.
**/
EFI_STATUS
LegacyBiosBuildE820 (
IN LEGACY_BIOS_INSTANCE *Private,
OUT UINTN *Size
)
{
*Size = 0;
return EFI_SUCCESS;
}
/**
Get all BBS info
@param This Protocol instance pointer.
@param HddCount Number of HDD_INFO structures
@param HddInfo Onboard IDE controller information
@param BbsCount Number of BBS_TABLE structures
@param BbsTable List BBS entries
@retval EFI_SUCCESS Tables returned
@retval EFI_NOT_FOUND resource not found
@retval EFI_DEVICE_ERROR can not get BBS table
**/
EFI_STATUS
EFIAPI
LegacyBiosGetBbsInfo (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
OUT UINT16 *HddCount,
OUT HDD_INFO **HddInfo,
OUT UINT16 *BbsCount,
OUT BBS_TABLE **BbsTable
)
{
return EFI_UNSUPPORTED;
}
/**
Fill in the standard BDA for Keyboard LEDs
@param This Protocol instance pointer.
@param Leds Current LED status
@retval EFI_SUCCESS It should always work.
**/
EFI_STATUS
EFIAPI
LegacyBiosUpdateKeyboardLedStatus (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT8 Leds
)
{
return EFI_UNSUPPORTED;
}
/**
Relocate this image under 4G memory for IPF.
@param ImageHandle Handle of driver image.
@param SystemTable Pointer to system table.
@retval EFI_SUCCESS Image successfully relocated.
@retval EFI_ABORTED Failed to relocate image.
**/
EFI_STATUS
RelocateImageUnder4GIfNeeded (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
UINTN NumberOfPages;
EFI_PHYSICAL_ADDRESS LoadedImageBase;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
EFI_PHYSICAL_ADDRESS MemoryAddress;
EFI_HANDLE NewImageHandle;
Status = gBS->HandleProtocol (
ImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID *) &LoadedImage
);
if (!EFI_ERROR (Status)) {
LoadedImageBase = (EFI_PHYSICAL_ADDRESS) (UINTN) LoadedImage->ImageBase;
if (LoadedImageBase > 0xffffffff) {
NumberOfPages = (UINTN) (DivU64x32(LoadedImage->ImageSize, EFI_PAGE_SIZE) + 1);
//
// Allocate buffer below 4GB here
//
Status = AllocateLegacyMemory (
AllocateMaxAddress,
0x7FFFFFFF,
NumberOfPages, // do we have to convert this to pages??
&MemoryAddress
);
if (EFI_ERROR (Status)) {
return Status;
}
ZeroMem (&ImageContext, sizeof (PE_COFF_LOADER_IMAGE_CONTEXT));
ImageContext.Handle = (VOID *)(UINTN)LoadedImageBase;
ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
//
// Get information about the image being loaded
//
Status = PeCoffLoaderGetImageInfo (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
ImageContext.ImageAddress = (PHYSICAL_ADDRESS)MemoryAddress;
//
// Align buffer on section boundry
//
ImageContext.ImageAddress += ImageContext.SectionAlignment - 1;
ImageContext.ImageAddress &= ~(ImageContext.SectionAlignment - 1);
//
// Load the image to our new buffer
//
Status = PeCoffLoaderLoadImage (&ImageContext);
if (EFI_ERROR (Status)) {
gBS->FreePages (MemoryAddress, NumberOfPages);
return Status;
}
//
// Relocate the image in our new buffer
//
Status = PeCoffLoaderRelocateImage (&ImageContext);
if (EFI_ERROR (Status)) {
gBS->FreePages (MemoryAddress, NumberOfPages);
return Status;
}
//
// Create a new handle with gEfiCallerIdGuid to be used as the ImageHandle fore the reloaded image
//
NewImageHandle = NULL;
Status = gBS->InstallProtocolInterface (
&NewImageHandle,
&gEfiCallerIdGuid,
EFI_NATIVE_INTERFACE,
NULL
);
//
// Flush the instruction cache so the image data is written before we execute it
//
InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);
Status = ((EFI_IMAGE_ENTRY_POINT)(UINTN)(ImageContext.EntryPoint)) (NewImageHandle, SystemTable);
if (EFI_ERROR (Status)) {
gBS->FreePages (MemoryAddress, NumberOfPages);
return Status;
}
//
// return error directly the BS will unload this image
//
return EFI_ABORTED;
}
}
return EFI_SUCCESS;
}

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/** @file
Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _IPF_THUNK_H_
#define _IPF_THUNK_H_
#include "LegacyBiosInterface.h"
#include <IndustryStandard/Sal.h>
/**
Template of real mode code.
@param CodeStart Start address of code.
@param CodeEnd End address of code
@param ReverseThunkStart Start of reverse thunk.
@param IntThunk Low memory thunk.
**/
VOID
RealModeTemplate (
OUT UINTN *CodeStart,
OUT UINTN *CodeEnd,
OUT UINTN *ReverseThunkStart,
LOW_MEMORY_THUNK *IntThunk
);
/**
Register physical address of Esal Data Area
@param ReverseThunkCodeAddress Reverse Thunk Address
@param IntThunkAddress IntThunk Address
@retval EFI_SUCCESS ESAL data area set successfully.
**/
EFI_STATUS
EsalSetSalDataArea (
IN UINTN ReverseThunkCodeAddress,
IN UINTN IntThunkAddress
);
/**
Get address of reverse thunk.
@retval EFI_SAL_SUCCESS Address of reverse thunk returned successfully.
**/
SAL_RETURN_REGS
EsalGetReverseThunkAddress (
VOID
);
typedef struct {
UINT32 Eax; // 0
UINT32 Ecx; // 4
UINT32 Edx; // 8
UINT32 Ebx; // 12
UINT32 Esp; // 16
UINT32 Ebp; // 20
UINT32 Esi; // 24
UINT32 Edi; // 28
UINT32 Eflag; // 32
UINT32 Eip; // 36
UINT16 Cs; // 40
UINT16 Ds; // 42
UINT16 Es; // 44
UINT16 Fs; // 46
UINT16 Gs; // 48
UINT16 Ss; // 50
} IPF_DWORD_REGS;
/**
Entrypoint of IA32 code.
@param CallTypeData Data of call type
@param DwordRegister Register set of IA32 general registers
and segment registers
@param StackPointer Stack pointer.
@param StackSize Size of stack.
**/
VOID
EfiIaEntryPoint (
UINT64 CallTypeData,
IPF_DWORD_REGS *DwordRegister,
UINT64 StackPointer,
UINT64 StackSize
);
#endif

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//// @file
//
// Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions
// of the BSD License which accompanies this distribution. The
// full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
////
#define NUM_REAL_GDT_ENTRIES 3
#define LOW_STACK_SIZE (8*1024) // 8k?
//
// Low memory Thunk Structure
//
#define Code 0
#define LowReverseThunkStart Code + 4096
#define GdtDesc LowReverseThunkStart + 4
#define IdtDesc GdtDesc + 6
#define FlatSs IdtDesc + 6
#define FlatEsp FlatSs + 4
#define LowCodeSelector FlatEsp + 4
#define LowDataSelector LowCodeSelector + 4
#define LowStack LowDataSelector + 4
#define RealModeIdtDesc LowStack + 4
#define RealModeGdt RealModeIdtDesc + 6
#define RealModeGdtDesc RealModeGdt + (8 * NUM_REAL_GDT_ENTRIES)
#define RevRealDs RealModeGdtDesc + 6
#define RevRealSs RevRealDs + 2
#define RevRealEsp RevRealSs + 2
#define RevRealIdtDesc RevRealEsp + 4
#define RevFlatDataSelector RevRealIdtDesc + 6
#define RevFlatStack RevFlatDataSelector + 2
#define Stack RevFlatStack + 4
#define RevThunkStack Stack + LOW_STACK_SIZE
#define EfiToLegacy16InitTable RevThunkStack + LOW_STACK_SIZE
#define InitTableBiosLessThan1MB EfiToLegacy16InitTable
#define InitTableHiPmmMemory InitTableBiosLessThan1MB + 4
#define InitTablePmmMemorySizeInBytes InitTableHiPmmMemory + 4
#define InitTableReverseThunkCallSegment InitTablePmmMemorySizeInBytes + 4
#define InitTableReverseThunkCallOffset InitTableReverseThunkCallSegment + 2
#define InitTableNumberE820Entries InitTableReverseThunkCallOffset + 2
#define InitTableOsMemoryAbove1Mb InitTableNumberE820Entries + 4
#define InitTableThunkStart InitTableOsMemoryAbove1Mb + 4
#define InitTableThunkSizeInBytes InitTableThunkStart + 4
#define InitTable16InitTableEnd InitTableThunkSizeInBytes + 4
#define EfiToLegacy16BootTable InitTable16InitTableEnd
#define BootTableBiosLessThan1MB EfiToLegacy16BootTable
#define BootTableHiPmmMemory BootTableBiosLessThan1MB + 4
#define BootTablePmmMemorySizeInBytes BootTableHiPmmMemory + 4
#define BootTableReverseThunkCallSegment BootTablePmmMemorySizeInBytes + 4
#define BootTableReverseThunkCallOffset BootTableReverseThunkCallSegment + 2
#define BootTableNumberE820Entries BootTableReverseThunkCallOffset + 2
#define BootTableOsMemoryAbove1Mb BootTableNumberE820Entries + 4
#define BootTableThunkStart BootTableOsMemoryAbove1Mb + 4
#define BootTableThunkSizeInBytes BootTableThunkStart + 4
#define EfiToLegacy16BootTableEnd BootTableThunkSizeInBytes + 4
#define InterruptRedirectionCode EfiToLegacy16BootTableEnd
#define PciHandler InterruptRedirectionCode + 32
//
// Register Sets (16 Bit)
//
#define AX 0
#define BX 2
#define CX 4
#define DX 6
#define SI 8
#define DI 10
#define Flags 12
#define ES 14
#define CS 16
#define SS 18
#define DS 20
#define BP 22

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//// @file
//
// Copyright (c) 1999 - 2008, Intel Corporation. All rights reserved.<BR>
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions
// of the BSD License which accompanies this distribution. The
// full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
////
.file "IpfThunk.s"
#include "IpfMacro.i"
#include "Ipf/IpfThunk.i"
.align 0x10
//-----------------------------------------------------------------------------
//++
// EfiIaEntryPoint
//
// Register physical address of Esal Data Area
//
// On Entry :
// in1 = ptr to legacy bios reg
// in2 = ptr to Call Stack
// in3 = Call Stack Size
//
// Return Value:
// r8 = SAL_SUCCESS
//
// As per static calling conventions.
//
//--
//---------------------------------------------------------------------------
PROCEDURE_ENTRY(EfiIaEntryPoint)
alloc loc0 = 8,10,8,0;;
mov out0 = r0;;
mov out1 = r0;;
mov out2 = r0;;
mov out3 = r0;;
mov out4 = r0;;
mov out5 = r0;;
mov out6 = r0;;
mov out7 = r0;;
mov loc1 = b0;; // save efi (b0)
mov loc2 = psr;; // save efi (PSR)
mov loc3 = gp;; // save efi (GP)
mov loc4 = pr;; // save efi (PR)
mov loc5 = sp;; // save efi (SP)
mov loc6 = r13;; // save efi (TP)
mov loc7 = ar.lc;; // save efi (LC)
mov loc8 = ar.fpsr;; // save efi (FPSR)
mov r8 = r0;; // return status
mov r9 = r0;; // return value
mov r10 = r0;; // return value
mov r11 = r0;; // return value
bios_int_func::
rsm 0x4000;; // i(14)=0, disable interrupt
srlz.d;;
srlz.i;;
//---------------------//
// save fp registers //
//---------------------//
dep sp = 0,sp,0,4;; // align 16
add sp = -16,sp;; // post decrement
int_ip_1x::
mov r2 = ip;;
add r2 = (int_ip_1y - int_ip_1x),r2;;
mov b7 = r2;;
br save_fp_registers;;
int_ip_1y::
add sp = 16,sp;; // adjust (SP)
mov loc9 = sp;; // save (SP)
adds sp = 0x10,in1;; // in1 + 0x10 = SP
ld4 sp = [sp];; // SP
adds r17 = 0x32,in1;; // in1 + 0x32 = SS
ld2 r17 = [r17];; // SS
movl r2 = 0xffffffff;; // if no SS:SP, then define new SS:SP
cmp.ne p6,p0 = sp,r2;;
movl r2 = 0xffff;;
cmp.ne.or p6,p0 = r17,r2;;
(p6) br.sptk bif_1;;
mov sp = in3;; // 16-bit stack pointer
mov r2 = psr;;
tbit.z p6,p7 = r2,17;; // psr.dt (Physical OR Virtual)
bif_ip1x::
mov r2 = in2;; // ia32 callback stack top
mov r3 = in3;; // 16-bit stack pointer
sub r2 = r2,r3;;
shr.u r17 = r2,4;; // 16-bit stack segment
bif_1::
extr.u sp = sp,0,16;; // SP (16-bit sp for legacy code)
dep sp = 0,sp,0,3;; // align 8
cmp.eq p6,p0 = 0,sp;; // if SP=0000 then wrap to 0x10000
(p6) dep sp = -1,sp,16,1;;
shladd r2 = r17,4,sp;; // ESP = SS<<4+SP
add r2 = -8,r2;; // post decrement 64 bit pointer
add sp = -8,sp;; // post decrement SP
sale_ip1x::
mov r18 = ip;;
adds r18 = (sale_ip1y - sale_ip1x),r18;;
sub r18 = r18,r2;; // return address - CS base
add r18 = r18,sp;; // adjustment for stack
shl r18 = r18,32;;
movl r19 = 0xb80f66fa;; // CLI, JMPE xxxxxxxx
or r18 = r18,r19;;
st8 [r2] = r18;; // (FA,66,0F,B8,xx,xx,xx,xx)
cmp.eq p6,p0 = 0,sp;; // if SP=0000 then wrap to 0x10000
(p6) dep sp = -1,sp,16,1;;
shladd r2 = r17,4,sp;; // ESP=SS<<4+SP
add r2 = -2,r2;; // post decrement 64 bit pointer
add sp = -2,sp;; // post decrement SP
movl r18 = 0x8000000000000100;; // CALL FAR function
cmp.eq p6,p7 = in0,r18;;
(p6) add r19 = 0x28,in1;; // in1 + 0x28 = CS
(p6) ld2 r18 = [r19],-4;; // CS
(p6) st2 [r2] = r18,-2;; // in1 + 0x24 = EIP
(p6) ld2 r18 = [r19];; // EIP
(p6) st2 [r2] = r18,-2;; //
(p6) movl r18 = 0x9a90;; // nop, CALLFAR xxxx:yyyy
(p7) movl r18 = 0xcd;; // INT xx
(p7) dep r18 = in0,r18,8,8;;
st2 [r2] = r18;; // (CD,xx)
mov r18 = r2;; // EIP for legacy execution
//------------------------------//
// flush 32 bytes legacy code //
//------------------------------//
dep r2 = 0,r2,0,5;; // align to 32
fc r2;;
sync.i;;
srlz.i;;
srlz.d;;
//------------------------------//
// load legacy registers //
//------------------------------//
mov r2 = in1;; // IA32 BIOS register state
ld4 r8 = [r2],4;; // in1 + 0 = EAX
ld4 r9 = [r2],4;; // in1 + 4 = ECX
ld4 r10 = [r2],4;; // in1 + 8 = EDX
ld4 r11 = [r2],4;; // in1 + 12 = EBX
add r2 = 4,r2;; // in1 + 16 = ESP (skip)
ld4 r13 = [r2],4;; // in1 + 20 = EBP
ld4 r14 = [r2],4;; // in1 + 24 = ESI
ld4 r15 = [r2],4;; // in1 + 28 = EDI
ld4 r3 = [r2],4;; // in1 + 32 = EFLAGS
mov ar.eflag = r3;;
add r2 = 4,r2;; // in1 + 36 = EIP (skip)
add r2 = 2,r2;; // in1 + 40 = CS (skip)
ld2 r16 = [r2],2;; // in1 + 42 = DS, (r16 = GS,FS,ES,DS)
movl r27 = 0xc93fffff00000000;;
dep r27 = r16,r27,4,16;; // r27 = DSD
ld2 r19 = [r2],2;; // in1 + 44 = ES
dep r16 = r19,r16,16,16;;
movl r24 = 0xc93fffff00000000;;
dep r24 = r19,r24,4,16;; // r24 = ESD
ld2 r19 = [r2],2;; // in1 + 46 = FS
dep r16 = r19,r16,32,16;;
movl r28 = 0xc93fffff00000000;;
dep r28 = r19,r28,4,16;; // r28 = FSD
ld2 r19 = [r2],2;; // in1 + 48 = GS
dep r16 = r19,r16,48,16;;
movl r29 = 0xc93fffff00000000;;
dep r29 = r19,r29,4,16;; // r29 = GSD
mov r30 = r0;; // r30 = LDTD, clear NaT
mov r31 = r0;; // r31 = GDTD, clear NaT
dep r17 = r17,r17,16,16;; // CS = SS, (r17 = TSS,LDT,SS,CS)
movl r3 = 0x0930ffff00000000;;
dep r3 = r17,r3,4,16;;
mov ar.csd = r3;; // ar25 = CSD
mov ar.ssd = r3;; // ar26 = SSD
//------------------------------//
// give control to INT function //
//------------------------------//
br.call.sptk b0 = execute_int_function;;
//------------------------------//
// store legacy registers //
//------------------------------//
mov r2 = in1;;
st4 [r2] = r8,4;; // EAX
st4 [r2] = r9,4;; // ECX
st4 [r2] = r10,4;; // EDX
st4 [r2] = r11,4;; // EBX
add r2 = 4,r2;; // ESP (skip)
st4 [r2] = r13,4;; // EBP
st4 [r2] = r14,4;; // ESI
st4 [r2] = r15,4;; // EDI
mov r3 = ar.eflag;;
st4 [r2] = r3,4;; // EFLAGS
add r2 = 4,r2;; // EIP (skip)
add r2 = 2,r2;; // CS (skip)
st2 [r2] = r16,2;; // DS, (r16 = GS,FS,ES,DS)
extr.u r3 = r16,16,16;;
st2 [r2] = r3,2;; // ES
extr.u r3 = r16,32,16;;
st2 [r2] = r3,2;; // FS
extr.u r3 = r16,48,16;;
st2 [r2] = r3,2;; // GS
//------------------------------//
// restore fp registers //
//------------------------------//
mov sp = loc9;; // restore (SP)
int_ip_2x::
mov r2 = ip;;
add r2 = (int_ip_2y - int_ip_2x),r2;;
mov b7 = r2;;
br restore_fp_registers;;
int_ip_2y::
mov r8 = r0;; // return status
mov r9 = r0;; // return value
mov r10 = r0;; // return value
mov r11 = r0;; // return value
mov ar.fpsr = loc8;; // restore efi (FPSR)
mov ar.lc = loc7;; // restore efi (LC)
mov r13 = loc6;; // restore efi (TP)
mov sp = loc5;; // restore efi (SP)
mov pr = loc4;; // restore efi (PR)
mov gp = loc3;; // restore efi (GP)
mov psr.l = loc2;; // restore efi (PSR)
srlz.d;;
srlz.i;;
mov b0 = loc1;; // restore efi (b0)
mov ar.pfs = loc0;;
br.ret.sptk b0;; // return to efi
PROCEDURE_EXIT (EfiIaEntryPoint)
//==============================//
// EXECUTE_INT_FUNCTION //
//==============================//
// switch to virtual address //
//------------------------------//
execute_int_function::
alloc r2 = 0,0,0,0;; // cfm.sof=0
flushrs;;
rsm 0x2000;; // ic(13)=0 for control register programming
srlz.d;;
srlz.i;;
mov r2 = psr;;
dep r2 = -1,r2,34,1;; // set is(34)
dep r2 = -1,r2,44,1;; // set bn(44)
dep r2 = -1,r2,36,1;; // set it(36)
dep r2 = -1,r2,27,1;; // set rt(27)
dep r2 = -1,r2,17,1;; // set dt(17)
dep r2 = 0,r2,3,1;; // reset ac(3)
dep r2 = -1,r2,13,1;; // set ic(13)
mov cr.ipsr = r2;;
mov cr.ifs = r0;; // clear interruption function state register
mov cr.iip = r18;;
rfi;; // go to legacy code execution
//------------------------------//
// back from legacy code //
//------------------------------//
// switch to physical address //
//------------------------------//
sale_ip1y::
rsm 0x6000;; // i(14)=0,ic(13)=0 for control reg programming
srlz.d;;
srlz.i;;
mov r2 = psr;;
dep r2 = -1,r2,44,1;; // set bn(44)
dep r2 = 0,r2,36,1;; // reset it(36)
dep r2 = 0,r2,27,1;; // reset rt(27)
dep r2 = 0,r2,17,1;; // reset dt(17)
dep r2 = -1,r2,13,1;; // set ic(13)
mov cr.ipsr = r2;;
sale_ip2x::
mov r2 = ip;;
add r2 = (sale_ip2y - sale_ip2x),r2;;
mov cr.ifs = r0;; // clear interruption function state register
mov cr.iip = r2;;
rfi;;
sale_ip2y::
br.ret.sptk b0;; // return to SAL
//------------------------------//
// store fp registers //
//------------------------------//
save_fp_registers::
stf.spill [sp]=f2,-16;; stf.spill [sp]=f3,-16;;
stf.spill [sp]=f4,-16;; stf.spill [sp]=f5,-16;; stf.spill [sp]=f6,-16;; stf.spill [sp]=f7,-16;;
stf.spill [sp]=f8,-16;; stf.spill [sp]=f9,-16;; stf.spill [sp]=f10,-16;; stf.spill [sp]=f11,-16;;
stf.spill [sp]=f12,-16;; stf.spill [sp]=f13,-16;; stf.spill [sp]=f14,-16;; stf.spill [sp]=f15,-16;;
stf.spill [sp]=f16,-16;; stf.spill [sp]=f17,-16;; stf.spill [sp]=f18,-16;; stf.spill [sp]=f19,-16;;
stf.spill [sp]=f20,-16;; stf.spill [sp]=f21,-16;; stf.spill [sp]=f22,-16;; stf.spill [sp]=f23,-16;;
stf.spill [sp]=f24,-16;; stf.spill [sp]=f25,-16;; stf.spill [sp]=f26,-16;; stf.spill [sp]=f27,-16;;
stf.spill [sp]=f28,-16;; stf.spill [sp]=f29,-16;; stf.spill [sp]=f30,-16;; stf.spill [sp]=f31,-16;;
stf.spill [sp]=f32,-16;; stf.spill [sp]=f33,-16;; stf.spill [sp]=f34,-16;; stf.spill [sp]=f35,-16;;
stf.spill [sp]=f36,-16;; stf.spill [sp]=f37,-16;; stf.spill [sp]=f38,-16;; stf.spill [sp]=f39,-16;;
stf.spill [sp]=f40,-16;; stf.spill [sp]=f41,-16;; stf.spill [sp]=f42,-16;; stf.spill [sp]=f43,-16;;
stf.spill [sp]=f44,-16;; stf.spill [sp]=f45,-16;; stf.spill [sp]=f46,-16;; stf.spill [sp]=f47,-16;;
stf.spill [sp]=f48,-16;; stf.spill [sp]=f49,-16;; stf.spill [sp]=f50,-16;; stf.spill [sp]=f51,-16;;
stf.spill [sp]=f52,-16;; stf.spill [sp]=f53,-16;; stf.spill [sp]=f54,-16;; stf.spill [sp]=f55,-16;;
stf.spill [sp]=f56,-16;; stf.spill [sp]=f57,-16;; stf.spill [sp]=f58,-16;; stf.spill [sp]=f59,-16;;
stf.spill [sp]=f60,-16;; stf.spill [sp]=f61,-16;; stf.spill [sp]=f62,-16;; stf.spill [sp]=f63,-16;;
stf.spill [sp]=f64,-16;; stf.spill [sp]=f65,-16;; stf.spill [sp]=f66,-16;; stf.spill [sp]=f67,-16;;
stf.spill [sp]=f68,-16;; stf.spill [sp]=f69,-16;; stf.spill [sp]=f70,-16;; stf.spill [sp]=f71,-16;;
stf.spill [sp]=f72,-16;; stf.spill [sp]=f73,-16;; stf.spill [sp]=f74,-16;; stf.spill [sp]=f75,-16;;
stf.spill [sp]=f76,-16;; stf.spill [sp]=f77,-16;; stf.spill [sp]=f78,-16;; stf.spill [sp]=f79,-16;;
stf.spill [sp]=f80,-16;; stf.spill [sp]=f81,-16;; stf.spill [sp]=f82,-16;; stf.spill [sp]=f83,-16;;
stf.spill [sp]=f84,-16;; stf.spill [sp]=f85,-16;; stf.spill [sp]=f86,-16;; stf.spill [sp]=f87,-16;;
stf.spill [sp]=f88,-16;; stf.spill [sp]=f89,-16;; stf.spill [sp]=f90,-16;; stf.spill [sp]=f91,-16;;
stf.spill [sp]=f92,-16;; stf.spill [sp]=f93,-16;; stf.spill [sp]=f94,-16;; stf.spill [sp]=f95,-16;;
stf.spill [sp]=f96,-16;; stf.spill [sp]=f97,-16;; stf.spill [sp]=f98,-16;; stf.spill [sp]=f99,-16;;
stf.spill [sp]=f100,-16;;stf.spill [sp]=f101,-16;;stf.spill [sp]=f102,-16;;stf.spill [sp]=f103,-16;;
stf.spill [sp]=f104,-16;;stf.spill [sp]=f105,-16;;stf.spill [sp]=f106,-16;;stf.spill [sp]=f107,-16;;
stf.spill [sp]=f108,-16;;stf.spill [sp]=f109,-16;;stf.spill [sp]=f110,-16;;stf.spill [sp]=f111,-16;;
stf.spill [sp]=f112,-16;;stf.spill [sp]=f113,-16;;stf.spill [sp]=f114,-16;;stf.spill [sp]=f115,-16;;
stf.spill [sp]=f116,-16;;stf.spill [sp]=f117,-16;;stf.spill [sp]=f118,-16;;stf.spill [sp]=f119,-16;;
stf.spill [sp]=f120,-16;;stf.spill [sp]=f121,-16;;stf.spill [sp]=f122,-16;;stf.spill [sp]=f123,-16;;
stf.spill [sp]=f124,-16;;stf.spill [sp]=f125,-16;;stf.spill [sp]=f126,-16;;stf.spill [sp]=f127,-16;;
invala;;
br b7;;
//------------------------------//
// restore fp registers //
//------------------------------//
restore_fp_registers::
ldf.fill f127=[sp],16;;ldf.fill f126=[sp],16;;ldf.fill f125=[sp],16;;ldf.fill f124=[sp],16;;
ldf.fill f123=[sp],16;;ldf.fill f122=[sp],16;;ldf.fill f121=[sp],16;;ldf.fill f120=[sp],16;;
ldf.fill f119=[sp],16;;ldf.fill f118=[sp],16;;ldf.fill f117=[sp],16;;ldf.fill f116=[sp],16;;
ldf.fill f115=[sp],16;;ldf.fill f114=[sp],16;;ldf.fill f113=[sp],16;;ldf.fill f112=[sp],16;;
ldf.fill f111=[sp],16;;ldf.fill f110=[sp],16;;ldf.fill f109=[sp],16;;ldf.fill f108=[sp],16;;
ldf.fill f107=[sp],16;;ldf.fill f106=[sp],16;;ldf.fill f105=[sp],16;;ldf.fill f104=[sp],16;;
ldf.fill f103=[sp],16;;ldf.fill f102=[sp],16;;ldf.fill f101=[sp],16;;ldf.fill f100=[sp],16;;
ldf.fill f99=[sp],16;; ldf.fill f98=[sp],16;; ldf.fill f97=[sp],16;; ldf.fill f96=[sp],16;;
ldf.fill f95=[sp],16;; ldf.fill f94=[sp],16;; ldf.fill f93=[sp],16;; ldf.fill f92=[sp],16;;
ldf.fill f91=[sp],16;; ldf.fill f90=[sp],16;; ldf.fill f89=[sp],16;; ldf.fill f88=[sp],16;;
ldf.fill f87=[sp],16;; ldf.fill f86=[sp],16;; ldf.fill f85=[sp],16;; ldf.fill f84=[sp],16;;
ldf.fill f83=[sp],16;; ldf.fill f82=[sp],16;; ldf.fill f81=[sp],16;; ldf.fill f80=[sp],16;;
ldf.fill f79=[sp],16;; ldf.fill f78=[sp],16;; ldf.fill f77=[sp],16;; ldf.fill f76=[sp],16;;
ldf.fill f75=[sp],16;; ldf.fill f74=[sp],16;; ldf.fill f73=[sp],16;; ldf.fill f72=[sp],16;;
ldf.fill f71=[sp],16;; ldf.fill f70=[sp],16;; ldf.fill f69=[sp],16;; ldf.fill f68=[sp],16;;
ldf.fill f67=[sp],16;; ldf.fill f66=[sp],16;; ldf.fill f65=[sp],16;; ldf.fill f64=[sp],16;;
ldf.fill f63=[sp],16;; ldf.fill f62=[sp],16;; ldf.fill f61=[sp],16;; ldf.fill f60=[sp],16;;
ldf.fill f59=[sp],16;; ldf.fill f58=[sp],16;; ldf.fill f57=[sp],16;; ldf.fill f56=[sp],16;;
ldf.fill f55=[sp],16;; ldf.fill f54=[sp],16;; ldf.fill f53=[sp],16;; ldf.fill f52=[sp],16;;
ldf.fill f51=[sp],16;; ldf.fill f50=[sp],16;; ldf.fill f49=[sp],16;; ldf.fill f48=[sp],16;;
ldf.fill f47=[sp],16;; ldf.fill f46=[sp],16;; ldf.fill f45=[sp],16;; ldf.fill f44=[sp],16;;
ldf.fill f43=[sp],16;; ldf.fill f42=[sp],16;; ldf.fill f41=[sp],16;; ldf.fill f40=[sp],16;;
ldf.fill f39=[sp],16;; ldf.fill f38=[sp],16;; ldf.fill f37=[sp],16;; ldf.fill f36=[sp],16;;
ldf.fill f35=[sp],16;; ldf.fill f34=[sp],16;; ldf.fill f33=[sp],16;; ldf.fill f32=[sp],16;;
ldf.fill f31=[sp],16;; ldf.fill f30=[sp],16;; ldf.fill f29=[sp],16;; ldf.fill f28=[sp],16;;
ldf.fill f27=[sp],16;; ldf.fill f26=[sp],16;; ldf.fill f25=[sp],16;; ldf.fill f24=[sp],16;;
ldf.fill f23=[sp],16;; ldf.fill f22=[sp],16;; ldf.fill f21=[sp],16;; ldf.fill f20=[sp],16;;
ldf.fill f19=[sp],16;; ldf.fill f18=[sp],16;; ldf.fill f17=[sp],16;; ldf.fill f16=[sp],16;;
ldf.fill f15=[sp],16;; ldf.fill f14=[sp],16;; ldf.fill f13=[sp],16;; ldf.fill f12=[sp],16;;
ldf.fill f11=[sp],16;; ldf.fill f10=[sp],16;; ldf.fill f9=[sp],16;; ldf.fill f8=[sp],16;;
ldf.fill f7=[sp],16;; ldf.fill f6=[sp],16;; ldf.fill f5=[sp],16;; ldf.fill f4=[sp],16;;
ldf.fill f3=[sp],16;; ldf.fill f2=[sp],16;;
invala;;
br b7;;
//-----------------------------------------------------------------------------
//++
// EsalSetSalDataArea
//
// Register physical address of Esal Data Area
//
// On Entry :
// in0 = Reverse Thunk Address
// in1 = IntThunk Address
//
// Return Value:
// r8 = SAL_SUCCESS
//
// As per static calling conventions.
//
//--
//---------------------------------------------------------------------------
PROCEDURE_ENTRY (EsalSetSalDataArea)
NESTED_SETUP (4,8,0,0)
EsalCalcStart1_3::
mov r8 = ip;;
add r8 = (ReverseThunkAddress - EsalCalcStart1_3), r8;;
st8 [r8] = in0;;
EsalCalcStart1_4::
mov r8 = ip;;
add r8 = (IntThunkAddress - EsalCalcStart1_4), r8;;
st8 [r8] = in1;;
mov r8 = r0;;
NESTED_RETURN
PROCEDURE_EXIT (EsalSetSalDataArea)
//-----------------------------------------------------------------------------
//++
// EsagGetReverseThunkAddress
//
// Register physical address of Esal Data Area
//
// On Entry :
// out0 = CodeStart
// out1 = CodeEnd
// out1 = ReverseThunkCode
//
// Return Value:
// r8 = SAL_SUCCESS
//
// As per static calling conventions.
//
//--
//---------------------------------------------------------------------------
PROCEDURE_ENTRY (EsalGetReverseThunkAddress)
NESTED_SETUP (4,8,0,0)
EsalCalcStart1_31::
mov r8 = ip;;
add r8 = (Ia32CodeStart - EsalCalcStart1_31), r8;;
mov r9 = r8;;
EsalCalcStart1_41::
mov r8 = ip;;
add r8 = (Ia32CodeEnd - EsalCalcStart1_41), r8;;
mov r10 = r8;;
EsalCalcStart1_51::
mov r8 = ip;;
add r8 = (ReverseThunkAddress - EsalCalcStart1_51), r8;;
mov r11 = r8;;
mov r8 = r0;;
NESTED_RETURN
PROCEDURE_EXIT (EsalGetReverseThunkAddress)
.align 16
PROCEDURE_ENTRY (InterruptRedirectionTemplate)
data8 0x90CFCD08
data8 0x90CFCD09
data8 0x90CFCD0A
data8 0x90CFCD0B
data8 0x90CFCD0C
data8 0x90CFCD0D
data8 0x90CFCD0E
data8 0x90CFCD0F
PROCEDURE_EXIT (InterruptRedirectionTemplate)
//------------------------------//
// Reverse Thunk Code //
//------------------------------//
Ia32CodeStart::
br.sptk.few Ia32CodeStart;; // IPF CSM integration -Bug (Write This Code)
ReverseThunkCode::
data8 0xb80f66fa // CLI, JMPE xxxx
ReverseThunkAddress::
data8 0 // Return Address
IntThunkAddress::
data8 0 // IntThunk Address
Ia32CodeEnd::

550
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/Ipf/Thunk.c Normal file
View File

@ -0,0 +1,550 @@
/** @file
Call into 16-bit BIOS code
BugBug: Thunker does A20 gate. Can we get rid of this code or
put it into Legacy16 code.
Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
#include "IpfThunk.h"
/**
Gets the current flat GDT and IDT descriptors and store them in
Private->IntThunk. These values are used by the Thunk code.
This method must be called before every thunk in order to assure
that the correct GDT and IDT are restored after the thunk.
@param Private Private context for Legacy BIOS
@retval EFI_SUCCESS Should only pass.
**/
EFI_STATUS
LegacyBiosGetFlatDescs (
IN LEGACY_BIOS_INSTANCE *Private
)
{
return EFI_SUCCESS;
}
/**
BIOS interrupt call function.
@param BiosInt Int number of BIOS call
@param Segment Segment number
@param Offset Offset in segment
@param Regs IA32 Register set.
@param Stack Base address of stack
@param StackSize Size of stack
@retval EFI_SUCCESS BIOS interrupt call succeeds.
**/
EFI_STATUS
BiosIntCall (
IN UINT16 BiosInt,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
)
{
IPF_DWORD_REGS DwordRegs;
UINT64 IntTypeVariable;
IntTypeVariable = 0x8000000000000000;
IntTypeVariable |= BiosInt;
DwordRegs.Cs = Segment;
DwordRegs.Eip = Offset;
DwordRegs.Ds = Regs->X.DS;
DwordRegs.Es = Regs->X.ES;
DwordRegs.Fs = Regs->X.ES;
DwordRegs.Gs = Regs->X.ES;
DwordRegs.Ss = 0xFFFF;
DwordRegs.Eax = Regs->X.AX;
DwordRegs.Ebx = Regs->X.BX;
//
// Sometimes, ECX is used to pass in 32 bit data. For example, INT 1Ah, AX = B10Dh is
// "PCI BIOS v2.0c + Write Configuration DWORD" and ECX has the dword to write.
//
DwordRegs.Ecx = Regs->E.ECX;
DwordRegs.Edx = Regs->X.DX;
DwordRegs.Ebp = Regs->X.BP;
DwordRegs.Eflag = *((UINT16 *) &Regs->X.Flags);
DwordRegs.Edi = Regs->X.DI;
DwordRegs.Esi = Regs->X.SI;
DwordRegs.Esp = 0xFFFFFFFF;
EfiIaEntryPoint (IntTypeVariable, &DwordRegs, ((UINTN) Stack + StackSize), StackSize);
Regs->X.CS = DwordRegs.Cs;
Regs->X.DS = (UINT16) DwordRegs.Ds;
Regs->X.SS = (UINT16) DwordRegs.Ss;
Regs->E.EAX = DwordRegs.Eax;
Regs->E.EBX = DwordRegs.Ebx;
Regs->E.ECX = DwordRegs.Ecx;
Regs->E.EDX = DwordRegs.Edx;
Regs->E.EBP = DwordRegs.Ebp;
CopyMem (&Regs->X.Flags, &DwordRegs.Eflag, sizeof (EFI_FLAGS_REG));
Regs->E.EDI = DwordRegs.Edi;
Regs->E.ESI = DwordRegs.Esi;
return EFI_SUCCESS;
}
/**
Template of real mode code.
@param CodeStart Start address of code.
@param CodeEnd End address of code
@param ReverseThunkStart Start of reverse thunk.
@param IntThunk Low memory thunk.
**/
VOID
RealModeTemplate (
OUT UINTN *CodeStart,
OUT UINTN *CodeEnd,
OUT UINTN *ReverseThunkStart,
LOW_MEMORY_THUNK *IntThunk
)
{
SAL_RETURN_REGS SalStatus;
SalStatus = EsalGetReverseThunkAddress ();
*CodeStart = SalStatus.r9;
*CodeEnd = SalStatus.r10;
*ReverseThunkStart = SalStatus.r11;
}
/**
Allocate memory < 1 MB and copy the thunker code into low memory. Se up
all the descriptors.
@param Private Private context for Legacy BIOS
@retval EFI_SUCCESS Should only pass.
**/
EFI_STATUS
LegacyBiosInitializeThunk (
IN LEGACY_BIOS_INSTANCE *Private
)
{
GDT32 *CodeGdt;
GDT32 *DataGdt;
UINTN CodeStart;
UINTN CodeEnd;
UINTN ReverseThunkStart;
UINT32 Base;
LOW_MEMORY_THUNK *IntThunk;
UINTN TempData;
ASSERT (Private);
IntThunk = Private->IntThunk;
//
// Clear the reserved descriptor
//
ZeroMem (&(IntThunk->RealModeGdt[0]), sizeof (GDT32));
//
// Setup a descriptor for real-mode code
//
CodeGdt = &(IntThunk->RealModeGdt[1]);
//
// Fill in the descriptor with our real-mode segment value
//
CodeGdt->Type = 0xA;
//
// code/read
//
CodeGdt->System = 1;
CodeGdt->Dpl = 0;
CodeGdt->Present = 1;
CodeGdt->Software = 0;
CodeGdt->Reserved = 0;
CodeGdt->DefaultSize = 0;
//
// 16 bit operands
//
CodeGdt->Granularity = 0;
CodeGdt->LimitHi = 0;
CodeGdt->LimitLo = 0xffff;
Base = (*((UINT32 *) &IntThunk->Code));
CodeGdt->BaseHi = (Base >> 24) & 0xFF;
CodeGdt->BaseMid = (Base >> 16) & 0xFF;
CodeGdt->BaseLo = Base & 0xFFFF;
//
// Setup a descriptor for read-mode data
//
DataGdt = &(IntThunk->RealModeGdt[2]);
CopyMem (DataGdt, CodeGdt, sizeof (GDT32));
DataGdt->Type = 0x2;
//
// read/write data
//
DataGdt->BaseHi = 0x0;
//
// Base = 0
//
DataGdt->BaseMid = 0x0;
//
DataGdt->BaseLo = 0x0;
//
DataGdt->LimitHi = 0x0F;
//
// Limit = 4Gb
//
DataGdt->LimitLo = 0xFFFF;
//
DataGdt->Granularity = 0x1;
//
//
// Compute selector value
//
IntThunk->RealModeGdtDesc.Limit = (UINT16) (sizeof (IntThunk->RealModeGdt) - 1);
CopyMem (&IntThunk->RealModeGdtDesc.Base, (UINT32 *) &IntThunk->RealModeGdt, sizeof (UINT32));
//
// IntThunk->RealModeGdtDesc.Base = *((UINT32*) &IntThunk->RealModeGdt);
//
IntThunk->RealModeIdtDesc.Limit = 0xFFFF;
IntThunk->RealModeIdtDesc.Base = 0;
IntThunk->LowCodeSelector = (UINT32) ((UINTN) CodeGdt - IntThunk->RealModeGdtDesc.Base);
IntThunk->LowDataSelector = (UINT32) ((UINTN) DataGdt - IntThunk->RealModeGdtDesc.Base);
//
// Initialize low real-mode code thunk
//
RealModeTemplate (&CodeStart, &CodeEnd, &ReverseThunkStart, IntThunk);
TempData = (UINTN) &(IntThunk->Code);
IntThunk->LowReverseThunkStart = ((UINT32) TempData + (UINT32) (ReverseThunkStart - CodeStart));
EsalSetSalDataArea (TempData, (UINTN) IntThunk);
CopyMem (IntThunk->Code, (VOID *) CodeStart, CodeEnd - CodeStart);
IntThunk->EfiToLegacy16InitTable.ReverseThunkCallSegment = EFI_SEGMENT (*((UINT32 *) &IntThunk->LowReverseThunkStart));
IntThunk->EfiToLegacy16InitTable.ReverseThunkCallOffset = EFI_OFFSET (*((UINT32 *) &IntThunk->LowReverseThunkStart));
return EFI_SUCCESS;
}
/**
Thunk to 16-bit real mode and execute a software interrupt with a vector
of BiosInt. Regs will contain the 16-bit register context on entry and
exit.
@param This Protocol instance pointer.
@param BiosInt Processor interrupt vector to invoke
@param Regs Register contexted passed into (and returned) from
thunk to 16-bit mode
@retval FALSE Thunk completed, and there were no BIOS errors in the
target code. See Regs for status.
@retval TRUE There was a BIOS erro in the target code.
**/
BOOLEAN
EFIAPI
LegacyBiosInt86 (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT8 BiosInt,
IN EFI_IA32_REGISTER_SET *Regs
)
{
EFI_STATUS Status;
LEGACY_BIOS_INSTANCE *Private;
LOW_MEMORY_THUNK *IntThunk;
UINT16 *Stack16;
EFI_TPL OriginalTpl;
UINTN IaSegment;
UINTN IaOffset;
UINTN *Address;
UINTN TempData;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
IntThunk = Private->IntThunk;
//
// Get the current flat GDT, IDT, and SS and store them in Private->IntThunk.
//
Status = LegacyBiosGetFlatDescs (Private);
ASSERT_EFI_ERROR (Status);
Regs->X.Flags.Reserved1 = 1;
Regs->X.Flags.Reserved2 = 0;
Regs->X.Flags.Reserved3 = 0;
Regs->X.Flags.Reserved4 = 0;
Regs->X.Flags.IOPL = 3;
Regs->X.Flags.NT = 0;
Regs->X.Flags.IF = 1;
Regs->X.Flags.TF = 0;
Regs->X.Flags.CF = 0;
//
// Clear the error flag; thunk code may set it.
//
Stack16 = (UINT16 *) (IntThunk->Stack + LOW_STACK_SIZE);
//
// Copy regs to low memory stack
//
Stack16 -= sizeof (EFI_IA32_REGISTER_SET) / sizeof (UINT16);
CopyMem (Stack16, Regs, sizeof (EFI_IA32_REGISTER_SET));
//
// Provide low stack esp
//
TempData = ((UINTN) Stack16) - ((UINTN) IntThunk);
IntThunk->LowStack = *((UINT32 *) &TempData);
//
// Stack for reverse thunk flat mode.
// It must point to top of stack (end of stack space).
//
TempData = ((UINTN) IntThunk->RevThunkStack) + LOW_STACK_SIZE;
IntThunk->RevFlatStack = *((UINT32 *) &TempData);
//
// The call to Legacy16 is a critical section to EFI
//
OriginalTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
//
// Set Legacy16 state. 0x08, 0x70 is legacy 8259 vector bases.
//
Status = Private->Legacy8259->SetMode (Private->Legacy8259, Efi8259LegacyMode, NULL, NULL);
ASSERT_EFI_ERROR (Status);
//
// Call the real mode thunk code
//
TempData = BiosInt * 4;
Address = (UINTN *) TempData;
IaOffset = 0xFFFF & (*Address);
IaSegment = 0xFFFF & ((*Address) >> 16);
Status = BiosIntCall (
BiosInt,
(UINT16) IaSegment,
(UINT16) IaOffset,
(EFI_IA32_REGISTER_SET *) Stack16,
IntThunk,
IntThunk->LowStack
);
//
// Check for errors with the thunk
//
switch (Status) {
case THUNK_OK:
break;
case THUNK_ERR_A20_UNSUP:
case THUNK_ERR_A20_FAILED:
default:
//
// For all errors, set EFLAGS.CF (used by legacy BIOS to indicate error).
//
Regs->X.Flags.CF = 1;
break;
}
Status = Private->Legacy8259->SetMode (Private->Legacy8259, Efi8259ProtectedMode, NULL, NULL);
ASSERT_EFI_ERROR (Status);
//
// End critical section
//
gBS->RestoreTPL (OriginalTpl);
//
// Return the resulting registers
//
CopyMem (Regs, Stack16, sizeof (EFI_IA32_REGISTER_SET));
return (BOOLEAN) (Regs->X.Flags.CF != 0);
}
/**
Thunk to 16-bit real mode and call Segment:Offset. Regs will contain the
16-bit register context on entry and exit. Arguments can be passed on
the Stack argument
@param This Protocol instance pointer.
@param Segment Segemnt of 16-bit mode call
@param Offset Offset of 16-bit mdoe call
@param Regs Register contexted passed into (and returned) from
thunk to 16-bit mode
@param Stack Caller allocated stack used to pass arguments
@param StackSize Size of Stack in bytes
@retval FALSE Thunk completed, and there were no BIOS errors in the
target code. See Regs for status.
@retval TRUE There was a BIOS erro in the target code.
**/
BOOLEAN
EFIAPI
LegacyBiosFarCall86 (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
)
{
EFI_STATUS Status;
LEGACY_BIOS_INSTANCE *Private;
LOW_MEMORY_THUNK *IntThunk;
UINT16 *Stack16;
EFI_TPL OriginalTpl;
UINTN IaSegment;
UINTN IaOffset;
UINTN TempData;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
IntThunk = Private->IntThunk;
IaSegment = Segment;
IaOffset = Offset;
//
// Get the current flat GDT and IDT and store them in Private->IntThunk.
//
Status = LegacyBiosGetFlatDescs (Private);
ASSERT_EFI_ERROR (Status);
Regs->X.Flags.Reserved1 = 1;
Regs->X.Flags.Reserved2 = 0;
Regs->X.Flags.Reserved3 = 0;
Regs->X.Flags.Reserved4 = 0;
Regs->X.Flags.IOPL = 3;
Regs->X.Flags.NT = 0;
Regs->X.Flags.IF = 1;
Regs->X.Flags.TF = 0;
Regs->X.Flags.CF = 0;
//
// Clear the error flag; thunk code may set it.
//
Stack16 = (UINT16 *) (IntThunk->Stack + LOW_STACK_SIZE);
if (Stack != NULL && StackSize != 0) {
//
// Copy Stack to low memory stack
//
Stack16 -= StackSize / sizeof (UINT16);
CopyMem (Stack16, Stack, StackSize);
}
//
// Copy regs to low memory stack
//
Stack16 -= sizeof (EFI_IA32_REGISTER_SET) / sizeof (UINT16);
CopyMem (Stack16, Regs, sizeof (EFI_IA32_REGISTER_SET));
//
// Provide low stack esp
//
TempData = ((UINTN) Stack16) - ((UINTN) IntThunk);
IntThunk->LowStack = *((UINT32 *) &TempData);
//
// The call to Legacy16 is a critical section to EFI
//
OriginalTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
//
// Set Legacy16 state. 0x08, 0x70 is legacy 8259 vector bases.
//
Status = Private->Legacy8259->SetMode (Private->Legacy8259, Efi8259LegacyMode, NULL, NULL);
ASSERT_EFI_ERROR (Status);
//
// Call the real mode thunk code
//
Status = BiosIntCall (
0x100,
(UINT16) IaSegment,
(UINT16) IaOffset,
(EFI_IA32_REGISTER_SET *) Stack16,
IntThunk,
IntThunk->LowStack
);
//
// Check for errors with the thunk
//
switch (Status) {
case THUNK_OK:
break;
case THUNK_ERR_A20_UNSUP:
case THUNK_ERR_A20_FAILED:
default:
//
// For all errors, set EFLAGS.CF (used by legacy BIOS to indicate error).
//
Regs->X.Flags.CF = 1;
break;
}
//
// Restore protected mode interrupt state
//
Status = Private->Legacy8259->SetMode (Private->Legacy8259, Efi8259ProtectedMode, NULL, NULL);
ASSERT_EFI_ERROR (Status);
//
// End critical section
//
gBS->RestoreTPL (OriginalTpl);
//
// Return the resulting registers
//
CopyMem (Regs, Stack16, sizeof (EFI_IA32_REGISTER_SET));
Stack16 += sizeof (EFI_IA32_REGISTER_SET) / sizeof (UINT16);
if (Stack != NULL && StackSize != 0) {
//
// Copy low memory stack to Stack
//
CopyMem (Stack, Stack16, StackSize);
Stack16 += StackSize / sizeof (UINT16);
}
return (BOOLEAN) (Regs->X.Flags.CF != 0);
}

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/** @file
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
#include <IndustryStandard/Pci.h>
// Give floppy 3 states
// FLOPPY_PRESENT_WITH_MEDIA = Floppy controller present and media is inserted
// FLOPPY_NOT_PRESENT = No floppy controller present
// FLOPPY_PRESENT_NO_MEDIA = Floppy controller present but no media inserted
//
#define FLOPPY_NOT_PRESENT 0
#define FLOPPY_PRESENT_WITH_MEDIA 1
#define FLOPPY_PRESENT_NO_MEDIA 2
BBS_TABLE *mBbsTable;
BOOLEAN mBbsTableDoneFlag = FALSE;
BOOLEAN IsHaveMediaInFloppy = TRUE;
/**
Checks the state of the floppy and if media is inserted.
This routine checks the state of the floppy and if media is inserted.
There are 3 cases:
No floppy present - Set BBS entry to ignore
Floppy present & no media - Set BBS entry to lowest priority. We cannot
set it to ignore since 16-bit CSM will
indicate no floppy and thus drive A: is
unusable. CSM-16 will not try floppy since
lowest priority and thus not incur boot
time penality.
Floppy present & media - Set BBS entry to some priority.
@return State of floppy media
**/
UINT8
HasMediaInFloppy (
VOID
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
HandleBuffer = NULL;
HandleCount = 0;
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiIsaIoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
//
// If don't find any ISA/IO protocol assume no floppy. Need for floppy
// free system
//
if (HandleCount == 0) {
return FLOPPY_NOT_PRESENT;
}
ASSERT (HandleBuffer != NULL);
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiIsaIoProtocolGuid,
(VOID **) &IsaIo
);
if (EFI_ERROR (Status)) {
continue;
}
if (IsaIo->ResourceList->Device.HID != EISA_PNP_ID (0x604)) {
continue;
}
//
// Update blockio in case the floppy is inserted in during BdsTimeout
//
Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
if (EFI_ERROR (Status)) {
continue;
}
Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
if (EFI_ERROR (Status)) {
continue;
}
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo
);
if (EFI_ERROR (Status)) {
continue;
}
if (BlkIo->Media->MediaPresent) {
FreePool (HandleBuffer);
return FLOPPY_PRESENT_WITH_MEDIA;
} else {
FreePool (HandleBuffer);
return FLOPPY_PRESENT_NO_MEDIA;
}
}
FreePool (HandleBuffer);
return FLOPPY_NOT_PRESENT;
}
/**
Complete build of BBS TABLE.
@param Private Legacy BIOS Instance data
@param BbsTable BBS Table passed to 16-bit code
@retval EFI_SUCCESS Removable media not present
**/
EFI_STATUS
LegacyBiosBuildBbs (
IN LEGACY_BIOS_INSTANCE *Private,
IN BBS_TABLE *BbsTable
)
{
UINTN BbsIndex;
HDD_INFO *HddInfo;
UINTN HddIndex;
UINTN Index;
//
// First entry is floppy.
// Next 2*MAX_IDE_CONTROLLER entries are for onboard IDE.
// Next n entries are filled in after each ROM is dispatched.
// Entry filled in if follow BBS spec. See LegacyPci.c
// Next entries are for non-BBS compliant ROMS. They are filled in by
// 16-bit code during Legacy16UpdateBbs invocation. Final BootPriority
// occurs after that invocation.
//
// Floppy
// Set default state.
//
IsHaveMediaInFloppy = HasMediaInFloppy ();
if (IsHaveMediaInFloppy == FLOPPY_PRESENT_WITH_MEDIA) {
BbsTable[0].BootPriority = BBS_UNPRIORITIZED_ENTRY;
} else {
if (IsHaveMediaInFloppy == FLOPPY_PRESENT_NO_MEDIA) {
BbsTable[0].BootPriority = BBS_LOWEST_PRIORITY;
} else {
BbsTable[0].BootPriority = BBS_IGNORE_ENTRY;
}
}
BbsTable[0].Bus = 0xff;
BbsTable[0].Device = 0xff;
BbsTable[0].Function = 0xff;
BbsTable[0].DeviceType = BBS_FLOPPY;
BbsTable[0].Class = 01;
BbsTable[0].SubClass = 02;
BbsTable[0].StatusFlags.OldPosition = 0;
BbsTable[0].StatusFlags.Reserved1 = 0;
BbsTable[0].StatusFlags.Enabled = 0;
BbsTable[0].StatusFlags.Failed = 0;
BbsTable[0].StatusFlags.MediaPresent = 0;
BbsTable[0].StatusFlags.Reserved2 = 0;
//
// Onboard HDD - Note Each HDD controller controls 2 drives
// Master & Slave
//
HddInfo = &Private->IntThunk->EfiToLegacy16BootTable.HddInfo[0];
//
// Get IDE Drive Info
//
LegacyBiosBuildIdeData (Private, &HddInfo, 0);
for (HddIndex = 0; HddIndex < MAX_IDE_CONTROLLER; HddIndex++) {
BbsIndex = HddIndex * 2 + 1;
for (Index = 0; Index < 2; ++Index) {
BbsTable[BbsIndex + Index].Bus = HddInfo[HddIndex].Bus;
BbsTable[BbsIndex + Index].Device = HddInfo[HddIndex].Device;
BbsTable[BbsIndex + Index].Function = HddInfo[HddIndex].Function;
BbsTable[BbsIndex + Index].Class = 01;
BbsTable[BbsIndex + Index].SubClass = 01;
BbsTable[BbsIndex + Index].StatusFlags.OldPosition = 0;
BbsTable[BbsIndex + Index].StatusFlags.Reserved1 = 0;
BbsTable[BbsIndex + Index].StatusFlags.Enabled = 0;
BbsTable[BbsIndex + Index].StatusFlags.Failed = 0;
BbsTable[BbsIndex + Index].StatusFlags.MediaPresent = 0;
BbsTable[BbsIndex + Index].StatusFlags.Reserved2 = 0;
//
// If no controller found or no device found set to ignore
// else set to unprioritized and set device type
//
if (HddInfo[HddIndex].CommandBaseAddress == 0) {
BbsTable[BbsIndex + Index].BootPriority = BBS_IGNORE_ENTRY;
} else {
if (Index == 0) {
if ((HddInfo[HddIndex].Status & (HDD_MASTER_IDE | HDD_MASTER_ATAPI_CDROM | HDD_MASTER_ATAPI_ZIPDISK)) != 0) {
BbsTable[BbsIndex + Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;
if ((HddInfo[HddIndex].Status & HDD_MASTER_IDE) != 0) {
BbsTable[BbsIndex + Index].DeviceType = BBS_HARDDISK;
} else if ((HddInfo[HddIndex].Status & HDD_MASTER_ATAPI_CDROM) != 0) {
BbsTable[BbsIndex + Index].DeviceType = BBS_CDROM;
} else {
//
// for ZIPDISK
//
BbsTable[BbsIndex + Index].DeviceType = BBS_HARDDISK;
}
} else {
BbsTable[BbsIndex + Index].BootPriority = BBS_IGNORE_ENTRY;
}
} else {
if ((HddInfo[HddIndex].Status & (HDD_SLAVE_IDE | HDD_SLAVE_ATAPI_CDROM | HDD_SLAVE_ATAPI_ZIPDISK)) != 0) {
BbsTable[BbsIndex + Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;
if ((HddInfo[HddIndex].Status & HDD_SLAVE_IDE) != 0) {
BbsTable[BbsIndex + Index].DeviceType = BBS_HARDDISK;
} else if ((HddInfo[HddIndex].Status & HDD_SLAVE_ATAPI_CDROM) != 0) {
BbsTable[BbsIndex + Index].DeviceType = BBS_CDROM;
} else {
//
// for ZIPDISK
//
BbsTable[BbsIndex + Index].DeviceType = BBS_HARDDISK;
}
} else {
BbsTable[BbsIndex + Index].BootPriority = BBS_IGNORE_ENTRY;
}
}
}
}
}
return EFI_SUCCESS;
}
/**
Get all BBS info
@param This Protocol instance pointer.
@param HddCount Number of HDD_INFO structures
@param HddInfo Onboard IDE controller information
@param BbsCount Number of BBS_TABLE structures
@param BbsTable List BBS entries
@retval EFI_SUCCESS Tables returned
@retval EFI_NOT_FOUND resource not found
@retval EFI_DEVICE_ERROR can not get BBS table
**/
EFI_STATUS
EFIAPI
LegacyBiosGetBbsInfo (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
OUT UINT16 *HddCount,
OUT HDD_INFO **HddInfo,
OUT UINT16 *BbsCount,
OUT BBS_TABLE **BbsTable
)
{
LEGACY_BIOS_INSTANCE *Private;
EFI_IA32_REGISTER_SET Regs;
EFI_TO_COMPATIBILITY16_BOOT_TABLE *EfiToLegacy16BootTable;
// HDD_INFO *LocalHddInfo;
// IN BBS_TABLE *LocalBbsTable;
UINTN NumHandles;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN TempData;
UINT32 Granularity;
HandleBuffer = NULL;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
EfiToLegacy16BootTable = &Private->IntThunk->EfiToLegacy16BootTable;
// LocalHddInfo = EfiToLegacy16BootTable->HddInfo;
// LocalBbsTable = (BBS_TABLE*)(UINTN)EfiToLegacy16BootTable->BbsTable;
if (!mBbsTableDoneFlag) {
mBbsTable = Private->BbsTablePtr;
//
// Always enable disk controllers so 16-bit CSM code has valid information for all
// drives.
//
//
// Get PciRootBridgeIO protocol
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiPciRootBridgeIoProtocolGuid,
NULL,
&NumHandles,
&HandleBuffer
);
if (NumHandles == 0) {
return EFI_NOT_FOUND;
}
mBbsTableDoneFlag = TRUE;
for (Index = 0; Index < NumHandles; Index++) {
//
// Connect PciRootBridgeIO protocol handle with FALSE parameter to let
// PCI bus driver enumerate all subsequent handles
//
gBS->ConnectController (HandleBuffer[Index], NULL, NULL, FALSE);
}
LegacyBiosBuildBbs (Private, mBbsTable);
Private->LegacyRegion->UnLock (Private->LegacyRegion, 0xe0000, 0x20000, &Granularity);
//
// Call into Legacy16 code to add to BBS table for non BBS compliant OPROMs.
//
ZeroMem (&Regs, sizeof (EFI_IA32_REGISTER_SET));
Regs.X.AX = Legacy16UpdateBbs;
//
// Pass in handoff data
//
TempData = (UINTN) EfiToLegacy16BootTable;
Regs.X.ES = EFI_SEGMENT ((UINT32) TempData);
Regs.X.BX = EFI_OFFSET ((UINT32) TempData);
Private->LegacyBios.FarCall86 (
This,
Private->Legacy16CallSegment,
Private->Legacy16CallOffset,
&Regs,
NULL,
0
);
Private->Cpu->FlushDataCache (Private->Cpu, 0xE0000, 0x20000, EfiCpuFlushTypeWriteBackInvalidate);
Private->LegacyRegion->Lock (Private->LegacyRegion, 0xe0000, 0x20000, &Granularity);
if (Regs.X.AX != 0) {
return EFI_DEVICE_ERROR;
}
}
if (HandleBuffer != NULL) {
FreePool (HandleBuffer);
}
*HddCount = MAX_IDE_CONTROLLER;
*HddInfo = EfiToLegacy16BootTable->HddInfo;
*BbsTable = (BBS_TABLE*)(UINTN)EfiToLegacy16BootTable->BbsTable;
*BbsCount = (UINT16) (sizeof (Private->IntThunk->BbsTable) / sizeof (BBS_TABLE));
return EFI_SUCCESS;
}

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/** @file
This code fills in BDA (0x400) and EBDA (pointed to by 0x4xx)
information. There is support for doing initializeation before
Legacy16 is loaded and before a legacy boot is attempted.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
/**
Fill in the standard BDA and EBDA stuff before Legacy16 load
@param Private Legacy BIOS Instance data
@retval EFI_SUCCESS It should always work.
**/
EFI_STATUS
LegacyBiosInitBda (
IN LEGACY_BIOS_INSTANCE *Private
)
{
BDA_STRUC *Bda;
UINT8 *Ebda;
Bda = (BDA_STRUC *) ((UINTN) 0x400);
Ebda = (UINT8 *) ((UINTN) 0x9fc00);
ZeroMem (Bda, 0x100);
ZeroMem (Ebda, 0x400);
//
// 640k-1k for EBDA
//
Bda->MemSize = 0x27f;
Bda->KeyHead = 0x1e;
Bda->KeyTail = 0x1e;
Bda->FloppyData = 0x00;
Bda->FloppyTimeout = 0xff;
Bda->KeyStart = 0x001E;
Bda->KeyEnd = 0x003E;
Bda->KeyboardStatus = 0x10;
Bda->Ebda = 0x9fc0;
//
// Move LPT time out here and zero out LPT4 since some SCSI OPROMS
// use this as scratch pad (LPT4 is Reserved)
//
Bda->Lpt1_2Timeout = 0x1414;
Bda->Lpt3_4Timeout = 0x1400;
*Ebda = 0x01;
return EFI_SUCCESS;
}

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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf Normal file
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## @file
# Legacy Bios Module to support CSM.
#
# This driver installs Legacy Bios Protocol to support CSM module work in EFI system.
#
# Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = LegacyBiosDxe
FILE_GUID = F122A15C-C10B-4d54-8F48-60F4F06DD1AD
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = LegacyBiosInstall
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF
#
[Sources]
LegacyCmos.c
LegacyIde.c
LegacyBios.c
LegacyBda.c
LegacyBiosInterface.h
LegacyPci.c
[Sources.Ia32]
IA32/InterruptTable.S
IA32/InterruptTable.asm
Thunk.c
LegacyBootSupport.c
LegacyBbs.c
LegacySio.c
[Sources.X64]
X64/InterruptTable.asm
X64/InterruptTable.S
Thunk.c
LegacyBootSupport.c
LegacyBbs.c
LegacySio.c
[Sources.IPF]
Ipf/IpfThunk.s
Ipf/Thunk.c
Ipf/IpfThunk.i
Ipf/IpfBootSupport.c
Ipf/IpfThunk.h
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
[LibraryClasses]
DevicePathLib
UefiBootServicesTableLib
MemoryAllocationLib
UefiDriverEntryPoint
BaseMemoryLib
UefiLib
DebugLib
DxeServicesTableLib
PcdLib
ReportStatusCodeLib
PeCoffLib
CacheMaintenanceLib
DebugAgentLib
[LibraryClasses.IA32]
IoLib
HobLib
UefiRuntimeServicesTableLib
BaseLib
[LibraryClasses.X64]
IoLib
HobLib
UefiRuntimeServicesTableLib
BaseLib
[LibraryClasses.IPF]
IoLib
UefiRuntimeServicesTableLib
[Guids]
gEfiDiskInfoIdeInterfaceGuid # ALWAYS_CONSUMED
gEfiLegacyBiosGuid # ALWAYS_PRODUCED
[Guids.IA32]
gEfiSmbiosTableGuid # ALWAYS_CONSUMED
gEfiAcpi20TableGuid # ALWAYS_CONSUMED
gEfiAcpi10TableGuid # ALWAYS_CONSUMED
[Guids.X64]
gEfiSmbiosTableGuid # ALWAYS_CONSUMED
gEfiAcpi20TableGuid # ALWAYS_CONSUMED
gEfiAcpi10TableGuid # ALWAYS_CONSUMED
[Protocols]
gEfiLoadedImageProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiDevicePathProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiPciRootBridgeIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiCpuArchProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiIsaIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiBlockIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiPciIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiGenericMemTestProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiDiskInfoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiSimpleTextInProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiLegacy8259ProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiLegacyBiosPlatformProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiLegacyInterruptProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiLegacyRegion2ProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiLegacyBiosProtocolGuid # PROTOCOL ALWAYS_PRODUCED
gEfiTimerArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
[Pcd]
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEbdaReservedMemorySize
[Depex]
gEfiLegacyRegion2ProtocolGuid AND gEfiLegacyInterruptProtocolGuid AND gEfiLegacyBiosPlatformProtocolGuid AND gEfiLegacy8259ProtocolGuid AND gEfiGenericMemTestProtocolGuid AND gEfiCpuArchProtocolGuid

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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c Normal file
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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyCmos.c Normal file
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/** @file
This code fills in standard CMOS values and updates the standard CMOS
checksum. The Legacy16 code or LegacyBiosPlatform.c is responsible for
non-standard CMOS locations and non-standard checksums.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
/**
Read CMOS register through index/data port.
@param[in] Index The index of the CMOS register to read.
@return The data value from the CMOS register specified by Index.
**/
UINT8
LegacyReadStandardCmos (
IN UINT8 Index
)
{
IoWrite8 (PORT_70, Index);
return IoRead8 (PORT_71);
}
/**
Write CMOS register through index/data port.
@param[in] Index The index of the CMOS register to write.
@param[in] Value The value of CMOS register to write.
@return The value written to the CMOS register specified by Index.
**/
UINT8
LegacyWriteStandardCmos (
IN UINT8 Index,
IN UINT8 Value
)
{
IoWrite8 (PORT_70, Index);
return IoWrite8 (PORT_71, Value);
}
/**
Calculate the new standard CMOS checksum and write it.
@param Private Legacy BIOS Instance data
@retval EFI_SUCCESS Calculate 16-bit checksum successfully
**/
EFI_STATUS
LegacyCalculateWriteStandardCmosChecksum (
VOID
)
{
UINT8 Register;
UINT16 Checksum;
for (Checksum = 0, Register = 0x10; Register < 0x2e; Register++) {
Checksum = (UINT16)(Checksum + LegacyReadStandardCmos (Register));
}
LegacyWriteStandardCmos (CMOS_2E, (UINT8)(Checksum >> 8));
LegacyWriteStandardCmos (CMOS_2F, (UINT8)(Checksum & 0xff));
return EFI_SUCCESS;
}
/**
Fill in the standard CMOS stuff before Legacy16 load
@param Private Legacy BIOS Instance data
@retval EFI_SUCCESS It should always work.
**/
EFI_STATUS
LegacyBiosInitCmos (
IN LEGACY_BIOS_INSTANCE *Private
)
{
UINT32 Size;
//
// Clear all errors except RTC lost power
//
LegacyWriteStandardCmos (CMOS_0E, (UINT8)(LegacyReadStandardCmos (CMOS_0E) & BIT7));
//
// Update CMOS locations 15,16,17,18,30,31 and 32
// CMOS 16,15 = 640Kb = 0x280
// CMOS 18,17 = 31,30 = 15Mb max in 1Kb increments =0x3C00 max
// CMOS 32 = 0x20
//
LegacyWriteStandardCmos (CMOS_15, 0x80);
LegacyWriteStandardCmos (CMOS_16, 0x02);
Size = 15 * SIZE_1MB;
if (Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb < (15 * SIZE_1MB)) {
Size = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10;
}
LegacyWriteStandardCmos (CMOS_17, (UINT8)(Size & 0xFF));
LegacyWriteStandardCmos (CMOS_30, (UINT8)(Size & 0xFF));
LegacyWriteStandardCmos (CMOS_18, (UINT8)(Size >> 8));
LegacyWriteStandardCmos (CMOS_31, (UINT8)(Size >> 8));
LegacyCalculateWriteStandardCmosChecksum ();
return EFI_SUCCESS;
}

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/** @file
Collect IDE information from Native EFI Driver
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
BOOLEAN mIdeDataBuiltFlag = FALSE;
/**
Collect IDE Inquiry data from the IDE disks
@param Private Legacy BIOS Instance data
@param HddInfo Hdd Information
@param Flag Reconnect IdeController or not
@retval EFI_SUCCESS It should always work.
**/
EFI_STATUS
LegacyBiosBuildIdeData (
IN LEGACY_BIOS_INSTANCE *Private,
IN HDD_INFO **HddInfo,
IN UINT16 Flag
)
{
EFI_STATUS Status;
EFI_HANDLE IdeController;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
EFI_DISK_INFO_PROTOCOL *DiskInfo;
UINT32 IdeChannel;
UINT32 IdeDevice;
UINT32 Size;
UINT8 *InquiryData;
UINT32 InquiryDataSize;
HDD_INFO *LocalHddInfo;
UINT32 PciIndex;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;
EFI_DEVICE_PATH_PROTOCOL *TempDevicePathNode;
PCI_DEVICE_PATH *PciDevicePath;
//
// Only build data once
// We have a problem with GetBbsInfo in that it can be invoked two
// places. Once in BDS, when all EFI drivers are connected and once in
// LegacyBoot after all EFI drivers are disconnected causing this routine
// to hang. In LegacyBoot this function is also called before EFI drivers
// are disconnected.
// Cases covered
// GetBbsInfo invoked in BDS. Both invocations in LegacyBoot ignored.
// GetBbsInfo not invoked in BDS. First invocation of this function
// proceeds normally and second via GetBbsInfo ignored.
//
PciDevicePath = NULL;
LocalHddInfo = *HddInfo;
Status = Private->LegacyBiosPlatform->GetPlatformHandle (
Private->LegacyBiosPlatform,
EfiGetPlatformIdeHandle,
0,
&HandleBuffer,
&HandleCount,
(VOID *) &LocalHddInfo
);
if (!EFI_ERROR (Status)) {
IdeController = HandleBuffer[0];
//
// Force IDE drive spin up!
//
if (Flag != 0) {
gBS->DisconnectController (
IdeController,
NULL,
NULL
);
}
gBS->ConnectController (IdeController, NULL, NULL, FALSE);
//
// Do GetIdeHandle twice since disconnect/reconnect will switch to native mode
// And GetIdeHandle will switch to Legacy mode, if required.
//
Private->LegacyBiosPlatform->GetPlatformHandle (
Private->LegacyBiosPlatform,
EfiGetPlatformIdeHandle,
0,
&HandleBuffer,
&HandleCount,
(VOID *) &LocalHddInfo
);
}
mIdeDataBuiltFlag = TRUE;
//
// Get Identity command from all drives
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiDiskInfoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
Private->IdeDriveCount = (UINT8) HandleCount;
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDiskInfoProtocolGuid,
(VOID **) &DiskInfo
);
ASSERT_EFI_ERROR (Status);
if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoIdeInterfaceGuid)) {
//
// Locate which PCI device
//
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
(VOID *) &DevicePath
);
ASSERT_EFI_ERROR (Status);
DevicePathNode = DevicePath;
while (!IsDevicePathEnd (DevicePathNode)) {
TempDevicePathNode = NextDevicePathNode (DevicePathNode);
if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&
( DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&
( DevicePathType(TempDevicePathNode) == MESSAGING_DEVICE_PATH) &&
( DevicePathSubType(TempDevicePathNode) == MSG_ATAPI_DP) ) {
PciDevicePath = (PCI_DEVICE_PATH *) DevicePathNode;
break;
}
DevicePathNode = NextDevicePathNode (DevicePathNode);
}
if (PciDevicePath == NULL) {
continue;
}
//
// Find start of PCI device in HddInfo. The assumption of the data
// structure is 2 controllers(channels) per PCI device and each
// controller can have 2 drives(devices).
// HddInfo[PciIndex+0].[0] = Channel[0].Device[0] Primary Master
// HddInfo[PciIndex+0].[1] = Channel[0].Device[1] Primary Slave
// HddInfo[PciIndex+1].[0] = Channel[1].Device[0] Secondary Master
// HddInfo[PciIndex+1].[1] = Channel[1].Device[1] Secondary Slave
// @bug eventually need to pass in max number of entries
// for end of for loop
//
for (PciIndex = 0; PciIndex < 8; PciIndex++) {
if ((PciDevicePath->Device == LocalHddInfo[PciIndex].Device) &&
(PciDevicePath->Function == LocalHddInfo[PciIndex].Function)
) {
break;
}
}
if (PciIndex == 8) {
continue;
}
Status = DiskInfo->WhichIde (DiskInfo, &IdeChannel, &IdeDevice);
if (!EFI_ERROR (Status)) {
Size = sizeof (ATAPI_IDENTIFY);
DiskInfo->Identify (
DiskInfo,
&LocalHddInfo[PciIndex + IdeChannel].IdentifyDrive[IdeDevice],
&Size
);
if (IdeChannel == 0) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_PRIMARY;
} else if (IdeChannel == 1) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_SECONDARY;
}
InquiryData = NULL;
InquiryDataSize = 0;
Status = DiskInfo->Inquiry (
DiskInfo,
NULL,
&InquiryDataSize
);
if (Status == EFI_BUFFER_TOO_SMALL) {
InquiryData = (UINT8 *) AllocatePool (
InquiryDataSize
);
if (InquiryData != NULL) {
Status = DiskInfo->Inquiry (
DiskInfo,
InquiryData,
&InquiryDataSize
);
}
} else {
Status = EFI_DEVICE_ERROR;
}
//
// If ATAPI device then Inquiry will pass and ATA fail.
//
if (!EFI_ERROR (Status)) {
ASSERT (InquiryData != NULL);
//
// If IdeDevice = 0 then set master bit, else slave bit
//
if (IdeDevice == 0) {
if ((InquiryData[0] & 0x1f) == 0x05) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_MASTER_ATAPI_CDROM;
} else if ((InquiryData[0] & 0x1f) == 0x00) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_MASTER_ATAPI_ZIPDISK;
}
} else {
if ((InquiryData[0] & 0x1f) == 0x05) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_SLAVE_ATAPI_CDROM;
} else if ((InquiryData[0] & 0x1f) == 0x00) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_SLAVE_ATAPI_ZIPDISK;
}
}
FreePool (InquiryData);
} else {
if (IdeDevice == 0) {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_MASTER_IDE;
} else {
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_SLAVE_IDE;
}
}
}
}
}
if (HandleBuffer != NULL) {
FreePool (HandleBuffer);
}
return EFI_SUCCESS;
}
/**
If the IDE channel is in compatibility (legacy) mode, remove all
PCI I/O BAR addresses from the controller.
@param IdeController The handle of target IDE controller
**/
VOID
InitLegacyIdeController (
IN EFI_HANDLE IdeController
)
{
EFI_PCI_IO_PROTOCOL *PciIo;
UINT8 Pi;
UINT32 IOBarClear;
EFI_STATUS Status;
//
// If the IDE channel is in compatibility (legacy) mode, remove all
// PCI I/O BAR addresses from the controller. Some software gets
// confused if an IDE controller is in compatibility (legacy) mode
// and has PCI I/O resources allocated
//
Status = gBS->HandleProtocol (
IdeController,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo
);
if (!EFI_ERROR (Status)) {
IOBarClear = 0x00;
PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 1, &Pi);
if ((Pi & 0x01) == 0) {
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x10, 1, &IOBarClear);
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x14, 1, &IOBarClear);
}
if ((Pi & 0x04) == 0) {
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x18, 1, &IOBarClear);
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x1C, 1, &IOBarClear);
}
}
return ;
}

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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c Normal file
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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacySio.c Normal file
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/** @file
Collect Sio information from Native EFI Drivers.
Sio is floppy, parallel, serial, ... hardware
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
/**
Collect EFI Info about legacy devices.
@param Private Legacy BIOS Instance data
@retval EFI_SUCCESS It should always work.
**/
EFI_STATUS
LegacyBiosBuildSioData (
IN LEGACY_BIOS_INSTANCE *Private
)
{
EFI_STATUS Status;
DEVICE_PRODUCER_DATA_HEADER *SioPtr;
DEVICE_PRODUCER_SERIAL *Sio1Ptr;
DEVICE_PRODUCER_PARALLEL *Sio2Ptr;
DEVICE_PRODUCER_FLOPPY *Sio3Ptr;
EFI_HANDLE IsaBusController;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN ResourceIndex;
UINTN ChildIndex;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;
EFI_ISA_ACPI_RESOURCE *IoResource;
EFI_ISA_ACPI_RESOURCE *DmaResource;
EFI_ISA_ACPI_RESOURCE *InterruptResource;
UINTN EntryCount;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
//
// Get the pointer to the SIO data structure
//
SioPtr = &Private->IntThunk->EfiToLegacy16BootTable.SioData;
//
// Zero the data in the SIO data structure
//
gBS->SetMem (SioPtr, sizeof (DEVICE_PRODUCER_DATA_HEADER), 0);
//
// Find the ISA Bus Controller used for legacy
//
Status = Private->LegacyBiosPlatform->GetPlatformHandle (
Private->LegacyBiosPlatform,
EfiGetPlatformIsaBusHandle,
0,
&HandleBuffer,
&HandleCount,
NULL
);
IsaBusController = HandleBuffer[0];
if (!EFI_ERROR (Status)) {
//
// Force ISA Bus Controller to produce all ISA devices
//
gBS->ConnectController (IsaBusController, NULL, NULL, TRUE);
}
//
// Get the list of ISA controllers in the system
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiIsaIoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return EFI_SUCCESS;
}
//
// Collect legacy information from each of the ISA controllers in the system
//
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiIsaIoProtocolGuid, (VOID **) &IsaIo);
if (EFI_ERROR (Status)) {
continue;
}
ResourceList = IsaIo->ResourceList;
if (ResourceList == NULL) {
continue;
}
//
// Collect the resource types neededto fill in the SIO data structure
//
IoResource = NULL;
DmaResource = NULL;
InterruptResource = NULL;
for (ResourceIndex = 0;
ResourceList->ResourceItem[ResourceIndex].Type != EfiIsaAcpiResourceEndOfList;
ResourceIndex++
) {
switch (ResourceList->ResourceItem[ResourceIndex].Type) {
case EfiIsaAcpiResourceIo:
IoResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceMemory:
break;
case EfiIsaAcpiResourceDma:
DmaResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceInterrupt:
InterruptResource = &ResourceList->ResourceItem[ResourceIndex];
break;
default:
break;
}
}
//
// See if this is an ISA serial port
//
// Ignore DMA resource since it is always returned NULL
//
if (ResourceList->Device.HID == EISA_PNP_ID (0x500) || ResourceList->Device.HID == EISA_PNP_ID (0x501)) {
if (ResourceList->Device.UID <= 3 &&
IoResource != NULL &&
InterruptResource != NULL
) {
//
// Get the handle of the child device that has opened the ISA I/O Protocol
//
Status = gBS->OpenProtocolInformation (
HandleBuffer[Index],
&gEfiIsaIoProtocolGuid,
&OpenInfoBuffer,
&EntryCount
);
if (EFI_ERROR (Status)) {
continue;
}
//
// We want resource for legacy even if no 32-bit driver installed
//
for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {
Sio1Ptr = &SioPtr->Serial[ResourceList->Device.UID];
Sio1Ptr->Address = (UINT16) IoResource->StartRange;
Sio1Ptr->Irq = (UINT8) InterruptResource->StartRange;
Sio1Ptr->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
}
FreePool (OpenInfoBuffer);
}
}
//
// See if this is an ISA parallel port
//
// Ignore DMA resource since it is always returned NULL, port
// only used in output mode.
//
if (ResourceList->Device.HID == EISA_PNP_ID (0x400) || ResourceList->Device.HID == EISA_PNP_ID (0x401)) {
if (ResourceList->Device.UID <= 2 &&
IoResource != NULL &&
InterruptResource != NULL &&
DmaResource != NULL
) {
Sio2Ptr = &SioPtr->Parallel[ResourceList->Device.UID];
Sio2Ptr->Address = (UINT16) IoResource->StartRange;
Sio2Ptr->Irq = (UINT8) InterruptResource->StartRange;
Sio2Ptr->Dma = (UINT8) DmaResource->StartRange;
Sio2Ptr->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;
}
}
//
// See if this is an ISA floppy controller
//
if (ResourceList->Device.HID == EISA_PNP_ID (0x604)) {
if (IoResource != NULL && InterruptResource != NULL && DmaResource != NULL) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);
if (!EFI_ERROR (Status)) {
Sio3Ptr = &SioPtr->Floppy;
Sio3Ptr->Address = (UINT16) IoResource->StartRange;
Sio3Ptr->Irq = (UINT8) InterruptResource->StartRange;
Sio3Ptr->Dma = (UINT8) DmaResource->StartRange;
Sio3Ptr->NumberOfFloppy++;
}
}
}
//
// See if this is a mouse
// Always set mouse found so USB hot plug will work
//
// Ignore lower byte of HID. Pnp0fxx is any type of mouse.
//
// Hid = ResourceList->Device.HID & 0xff00ffff;
// PnpId = EISA_PNP_ID(0x0f00);
// if (Hid == PnpId) {
// if (ResourceList->Device.UID == 1) {
// Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimplePointerProtocolGuid, &SimplePointer);
// if (!EFI_ERROR (Status)) {
//
SioPtr->MousePresent = 0x01;
//
// }
// }
// }
//
}
FreePool (HandleBuffer);
return EFI_SUCCESS;
}

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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/Thunk.c Normal file
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/** @file
Call into 16-bit BIOS code, Use AsmThunk16 function of BaseLib.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "LegacyBiosInterface.h"
THUNK_CONTEXT mThunkContext;
/**
Thunk to 16-bit real mode and execute a software interrupt with a vector
of BiosInt. Regs will contain the 16-bit register context on entry and
exit.
@param This Protocol instance pointer.
@param BiosInt Processor interrupt vector to invoke
@param Regs Register contexted passed into (and returned) from thunk to
16-bit mode
@retval FALSE Thunk completed, and there were no BIOS errors in the target code.
See Regs for status.
@retval TRUE There was a BIOS erro in the target code.
**/
BOOLEAN
EFIAPI
LegacyBiosInt86 (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT8 BiosInt,
IN EFI_IA32_REGISTER_SET *Regs
)
{
Regs->X.Flags.Reserved1 = 1;
Regs->X.Flags.Reserved2 = 0;
Regs->X.Flags.Reserved3 = 0;
Regs->X.Flags.Reserved4 = 0;
Regs->X.Flags.IOPL = 3;
Regs->X.Flags.NT = 0;
Regs->X.Flags.IF = 0;
Regs->X.Flags.TF = 0;
Regs->X.Flags.CF = 0;
return InternalLegacyBiosFarCall (
This,
(UINT16) (((UINT32 *)NULL)[BiosInt] >> 16),
(UINT16) ((UINT32 *)NULL)[BiosInt],
Regs,
&Regs->X.Flags,
sizeof (Regs->X.Flags)
);
}
/**
Thunk to 16-bit real mode and call Segment:Offset. Regs will contain the
16-bit register context on entry and exit. Arguments can be passed on
the Stack argument
@param This Protocol instance pointer.
@param Segment Segemnt of 16-bit mode call
@param Offset Offset of 16-bit mdoe call
@param Regs Register contexted passed into (and returned) from
thunk to 16-bit mode
@param Stack Caller allocated stack used to pass arguments
@param StackSize Size of Stack in bytes
@retval FALSE Thunk completed, and there were no BIOS errors in
the target code. See Regs for status.
@retval TRUE There was a BIOS erro in the target code.
**/
BOOLEAN
EFIAPI
LegacyBiosFarCall86 (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
)
{
Regs->X.Flags.Reserved1 = 1;
Regs->X.Flags.Reserved2 = 0;
Regs->X.Flags.Reserved3 = 0;
Regs->X.Flags.Reserved4 = 0;
Regs->X.Flags.IOPL = 3;
Regs->X.Flags.NT = 0;
Regs->X.Flags.IF = 1;
Regs->X.Flags.TF = 0;
Regs->X.Flags.CF = 0;
return InternalLegacyBiosFarCall (This, Segment, Offset, Regs, Stack, StackSize);
}
/**
Thunk to 16-bit real mode and call Segment:Offset. Regs will contain the
16-bit register context on entry and exit. Arguments can be passed on
the Stack argument
@param This Protocol instance pointer.
@param Segment Segemnt of 16-bit mode call
@param Offset Offset of 16-bit mdoe call
@param Regs Register contexted passed into (and returned) from thunk to
16-bit mode
@param Stack Caller allocated stack used to pass arguments
@param StackSize Size of Stack in bytes
@retval FALSE Thunk completed, and there were no BIOS errors in the target code.
See Regs for status.
@retval TRUE There was a BIOS erro in the target code.
**/
BOOLEAN
EFIAPI
InternalLegacyBiosFarCall (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
)
{
UINTN Status;
LEGACY_BIOS_INSTANCE *Private;
UINT16 *Stack16;
EFI_TPL OriginalTpl;
IA32_REGISTER_SET ThunkRegSet;
BOOLEAN InterruptState;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
ZeroMem (&ThunkRegSet, sizeof (ThunkRegSet));
ThunkRegSet.X.DI = Regs->X.DI;
ThunkRegSet.X.SI = Regs->X.SI;
ThunkRegSet.X.BP = Regs->X.BP;
ThunkRegSet.X.BX = Regs->X.BX;
ThunkRegSet.X.DX = Regs->X.DX;
//
// Sometimes, ECX is used to pass in 32 bit data. For example, INT 1Ah, AX = B10Dh is
// "PCI BIOS v2.0c + Write Configuration DWORD" and ECX has the dword to write.
//
ThunkRegSet.E.ECX = Regs->E.ECX;
ThunkRegSet.X.AX = Regs->X.AX;
ThunkRegSet.E.DS = Regs->X.DS;
ThunkRegSet.E.ES = Regs->X.ES;
CopyMem (&(ThunkRegSet.E.EFLAGS.UintN), &(Regs->X.Flags), sizeof (Regs->X.Flags));
//
// Clear the error flag; thunk code may set it. Stack16 should be the high address
// Make Statk16 address the low 16 bit must be not zero.
//
Stack16 = (UINT16 *)((UINT8 *) mThunkContext.RealModeBuffer + mThunkContext.RealModeBufferSize - sizeof (UINT16));
//
// Save and disable interrutp of debug timer
//
InterruptState = SaveAndSetDebugTimerInterrupt (FALSE);
//
// The call to Legacy16 is a critical section to EFI
//
OriginalTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
if (Stack != NULL && StackSize != 0) {
//
// Copy Stack to low memory stack
//
Stack16 -= StackSize / sizeof (UINT16);
CopyMem (Stack16, Stack, StackSize);
}
ThunkRegSet.E.SS = (UINT16) (((UINTN) Stack16 >> 16) << 12);
ThunkRegSet.E.ESP = (UINT16) (UINTN) Stack16;
ThunkRegSet.E.CS = Segment;
ThunkRegSet.E.Eip = Offset;
mThunkContext.RealModeState = &ThunkRegSet;
//
// Set Legacy16 state. 0x08, 0x70 is legacy 8259 vector bases.
//
Status = Private->Legacy8259->SetMode (Private->Legacy8259, Efi8259LegacyMode, NULL, NULL);
ASSERT_EFI_ERROR (Status);
AsmThunk16 (&mThunkContext);
//
// OPROM may allocate EBDA range by itself and change EBDA base and EBDA size.
// Get the current EBDA base address, and compared with pre-allocate minimum
// EBDA base address, if the current EBDA base address is smaller, it indicates
// PcdEbdaReservedMemorySize should be adjusted to larger for more OPROMs.
//
DEBUG_CODE (
{
UINTN EbdaBaseAddress;
UINTN ReservedEbdaBaseAddress;
EbdaBaseAddress = (*(UINT16 *) (UINTN) 0x40E) << 4;
ReservedEbdaBaseAddress = CONVENTIONAL_MEMORY_TOP - PcdGet32 (PcdEbdaReservedMemorySize);
ASSERT (ReservedEbdaBaseAddress <= EbdaBaseAddress);
}
);
if (Stack != NULL && StackSize != 0) {
//
// Copy low memory stack to Stack
//
CopyMem (Stack, Stack16, StackSize);
}
//
// Restore protected mode interrupt state
//
Status = Private->Legacy8259->SetMode (Private->Legacy8259, Efi8259ProtectedMode, NULL, NULL);
ASSERT_EFI_ERROR (Status);
mThunkContext.RealModeState = NULL;
//
// End critical section
//
gBS->RestoreTPL (OriginalTpl);
//
// Restore interrutp of debug timer
//
SaveAndSetDebugTimerInterrupt (InterruptState);
Regs->E.EDI = ThunkRegSet.E.EDI;
Regs->E.ESI = ThunkRegSet.E.ESI;
Regs->E.EBP = ThunkRegSet.E.EBP;
Regs->E.EBX = ThunkRegSet.E.EBX;
Regs->E.EDX = ThunkRegSet.E.EDX;
Regs->E.ECX = ThunkRegSet.E.ECX;
Regs->E.EAX = ThunkRegSet.E.EAX;
Regs->X.SS = ThunkRegSet.E.SS;
Regs->X.CS = ThunkRegSet.E.CS;
Regs->X.DS = ThunkRegSet.E.DS;
Regs->X.ES = ThunkRegSet.E.ES;
CopyMem (&(Regs->X.Flags), &(ThunkRegSet.E.EFLAGS.UintN), sizeof (Regs->X.Flags));
return (BOOLEAN) (Regs->X.Flags.CF == 1);
}
/**
Allocate memory < 1 MB and copy the thunker code into low memory. Se up
all the descriptors.
@param Private Private context for Legacy BIOS
@retval EFI_SUCCESS Should only pass.
**/
EFI_STATUS
LegacyBiosInitializeThunk (
IN LEGACY_BIOS_INSTANCE *Private
)
{
EFI_PHYSICAL_ADDRESS MemoryAddress;
MemoryAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Private->IntThunk;
mThunkContext.RealModeBuffer = (VOID *) (UINTN) (MemoryAddress + ((sizeof (LOW_MEMORY_THUNK) / EFI_PAGE_SIZE) + 1) * EFI_PAGE_SIZE);
mThunkContext.RealModeBufferSize = EFI_PAGE_SIZE;
mThunkContext.ThunkAttributes = THUNK_ATTRIBUTE_BIG_REAL_MODE | THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15;
AsmPrepareThunk16 (&mThunkContext);
return EFI_SUCCESS;
}

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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/X64/InterruptTable.S Normal file
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## @file
# Interrupt Redirection Template
#
# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
# of the BSD License which accompanies this distribution. The
# full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
#text SEGMENT
#----------------------------------------------------------------------------
# Procedure: InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F
#
# Input: None
#
# Output: None
#
# Prototype: VOID
# InterruptRedirectionTemplate (
# VOID
# );
#
# Saves: None
#
# Modified: None
#
# Description: Contains the code that is copied into low memory (below 640K).
# This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.
# This template must be copied into low memory, and the IDT entries
# 0x68-0x6F must be point to the low memory copy of this code. Each
# entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily
# computed.
#
#----------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(InterruptRedirectionTemplate)
ASM_PFX(InterruptRedirectionTemplate):
int $0x08
.byte 0x0cf # IRET
nop
int $0x09
.byte 0x0cf # IRET
nop
int $0x0a
.byte 0x0cf # IRET
nop
int $0x0b
.byte 0x0cf # IRET
nop
int $0x0c
.byte 0x0cf # IRET
nop
int $0x0d
.byte 0x0cf # IRET
nop
int $0x0e
.byte 0x0cf # IRET
nop
int $0x0f
.byte 0x0cf # IRET
nop
#END

71
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/X64/InterruptTable.asm Normal file
View File

@ -0,0 +1,71 @@
;; @file
; Interrupt Redirection Template
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
;
; This program and the accompanying materials
; are licensed and made available under the terms and conditions
; of the BSD License which accompanies this distribution. The
; full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;;
text SEGMENT
;----------------------------------------------------------------------------
; Procedure: InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F
;
; Input: None
;
; Output: None
;
; Prototype: VOID
; InterruptRedirectionTemplate (
; VOID
; );
;
; Saves: None
;
; Modified: None
;
; Description: Contains the code that is copied into low memory (below 640K).
; This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.
; This template must be copied into low memory, and the IDT entries
; 0x68-0x6F must be point to the low memory copy of this code. Each
; entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily
; computed.
;
;----------------------------------------------------------------------------
InterruptRedirectionTemplate PROC
int 08h
DB 0cfh ; IRET
nop
int 09h
DB 0cfh ; IRET
nop
int 0ah
DB 0cfh ; IRET
nop
int 0bh
DB 0cfh ; IRET
nop
int 0ch
DB 0cfh ; IRET
nop
int 0dh
DB 0cfh ; IRET
nop
int 0eh
DB 0cfh ; IRET
nop
int 0fh
DB 0cfh ; IRET
nop
InterruptRedirectionTemplate ENDP
END

36
IntelFrameworkModulePkg/Include/Guid/LegacyBios.h Normal file
View File

@ -0,0 +1,36 @@
/** @file
Defines a Tag GUID used to mark a UEFI legacy BIOS thunk driver based
on legacy BIOS services and legacy option ROM. This Tag GUID must be installed on
the ImageHandle of any module that follows the EFI Driver Model and uses
the Int86() or FarCall() services of the Legacy Bios Protocol to produce
a standard UEFI I/O Protocol.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _LEGACY_BIOS_H_
#define _LEGACY_BIOS_H_
///
/// The Global ID for the Legacy BIOS GUID that must be installed onto the ImageHandle
/// of any module follows the EFI Driver Model and uses the Int86() or FarCall()
/// services of the Legacy BIOS Protocol to produce a standard UEFI I/O Protocol.
///
#define EFI_LEGACY_BIOS_GUID \
{ \
0x2e3044ac, 0x879f, 0x490f, {0x97, 0x60, 0xbb, 0xdf, 0xaf, 0x69, 0x5f, 0x50 } \
}
extern EFI_GUID gEfiLegacyBiosGuid;
#endif

26
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
View File

@ -56,6 +56,9 @@
## Include/Guid/AcpiVariable.h
gEfiAcpiVariableCompatiblityGuid = { 0xc020489e, 0x6db2, 0x4ef2, { 0x9a, 0xa5, 0xca, 0x6, 0xfc, 0x11, 0xd3, 0x6a }}
## Include/Guid/LegacyBios.h
gEfiLegacyBiosGuid = { 0x2E3044AC, 0x879F, 0x490F, { 0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50 }}
[Protocols]
## Vga Mini port binding for a VGA controller
# Include/Protocol/VgaMiniPort.h
@ -87,6 +90,10 @@
## This PCD specifies whether Serial device use half hand shake.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdIsaBusSerialUseHalfHandshake|FALSE|BOOLEAN|0x00010043
## Indicates if CSM support is needed for ACPI S3 Save.
# If TRUE, CSM support is enclosed for ACPI S3 Save.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformCsmSupport|TRUE|BOOLEAN|0x00010044
[PcdsFixedAtBuild]
## FFS filename to find the default BMP Logo file.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLogoFile |{ 0x99, 0x8b, 0xB2, 0x7B, 0xBB, 0x61, 0xD5, 0x11, 0x9A, 0x5D, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D }|VOID*|0x40000003
@ -113,8 +120,25 @@
# This PCD should be set as HII type PCD by platform integrator mapped to variable L"HwErrRecSupport"
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdHardwareErrorRecordLevel|0|UINT16|0x40000002
[PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx, PcdsPatchableInModule]
## I/O Base address of floppy device controller.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdFdcBaseAddress|0x3f0|UINT16|0x30000000
## If TRUE, BiosVideo will switch to 80x25 Text VGA Mode when exiting boot service.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable|FALSE|BOOLEAN|0x30000001
## If TRUE, BiosVideo will check for VESA BIOS Extension service support.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable|TRUE|BOOLEAN|0x30000002
## If TRUE, BiosVideo will check for VGA service support.
# NOTE: If both PcdBiosVideoCheckVbeEnable and PcdBiosVideoCheckVgaEnable are set to FALSE,
# that means Graphics Output protocol will not be installed, the VGA miniport protocol will be installed instead.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable|TRUE|BOOLEAN|0x30000003
## If TRUE, memory space for legacy region will be set as cacheable.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion|TRUE|BOOLEAN|0x00000004
## The PCD is used to specify memory size with bytes to reserve EBDA for OPROM.
## The value should be a multiple of 4KB.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEbdaReservedMemorySize|0x8000|UINT32|0x30000005

13
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc
View File

@ -39,11 +39,14 @@
0|DEFAULT # The entry: 0|DEFAULT is reserved and always required.
[LibraryClasses]
CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
DebugPrintErrorLevelLib|MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
SynchronizationLib|MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf
BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
TimerLib|MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf
@ -55,6 +58,8 @@
HiiLib|MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
PlatformBdsLib|IntelFrameworkModulePkg/Library/PlatformBdsLibNull/PlatformBdsLibNull.inf
CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.inf
PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
PeCoffGetEntryPointLib|MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
DxeServicesLib|MdePkg/Library/DxeServicesLib/DxeServicesLib.inf
ReportStatusCodeLib|MdePkg/Library/BaseReportStatusCodeLibNull/BaseReportStatusCodeLibNull.inf
@ -139,6 +144,11 @@
IntelFrameworkModulePkg/Bus/Isa/Ps2MouseAbsolutePointerDxe/Ps2MouseAbsolutePointerDxe.inf
IntelFrameworkModulePkg/Bus/Pci/VgaMiniPortDxe/VgaMiniPortDxe.inf
IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/KeyboardDxe.inf
IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf
IntelFrameworkModulePkg/Csm/BiosThunk/BlockIoDxe/BlockIoDxe.inf
IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/Snp16Dxe.inf
IntelFrameworkModulePkg/Universal/SectionExtractionDxe/SectionExtractionDxe.inf
IntelFrameworkModulePkg/Universal/DataHubDxe/DataHubDxe.inf
IntelFrameworkModulePkg/Universal/DataHubStdErrDxe/DataHubStdErrDxe.inf
@ -147,6 +157,9 @@
IntelFrameworkModulePkg/Universal/BdsDxe/BdsDxe.inf
IntelFrameworkModulePkg/Universal/LegacyRegionDxe/LegacyRegionDxe.inf
IntelFrameworkModulePkg/Universal/StatusCode/DatahubStatusCodeHandlerDxe/DatahubStatusCodeHandlerDxe.inf
[Components.IA32,Components.X64,Components.IPF]
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
[Components.IA32]
IntelFrameworkModulePkg/Universal/StatusCode/RuntimeDxe/StatusCodeRuntimeDxe.inf