mirror of https://github.com/acidanthera/audk.git
OvmfPkg: Add AcpiPlatformDxe
This driver is currently a direct copy of MdeModulePkg/Universal/Acpi/AcpiPlatformDxe. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13384 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
parent
f1ec65ba24
commit
7d2bd1505b
|
|
@ -0,0 +1,260 @@
|
|||
/** @file
|
||||
Sample ACPI Platform Driver
|
||||
|
||||
Copyright (c) 2008 - 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 <PiDxe.h>
|
||||
|
||||
#include <Protocol/AcpiTable.h>
|
||||
#include <Protocol/FirmwareVolume2.h>
|
||||
|
||||
#include <Library/BaseLib.h>
|
||||
#include <Library/UefiBootServicesTableLib.h>
|
||||
#include <Library/DebugLib.h>
|
||||
#include <Library/PcdLib.h>
|
||||
|
||||
#include <IndustryStandard/Acpi.h>
|
||||
|
||||
/**
|
||||
Locate the first instance of a protocol. If the protocol requested is an
|
||||
FV protocol, then it will return the first FV that contains the ACPI table
|
||||
storage file.
|
||||
|
||||
@param Instance Return pointer to the first instance of the protocol
|
||||
|
||||
@return EFI_SUCCESS The function completed successfully.
|
||||
@return EFI_NOT_FOUND The protocol could not be located.
|
||||
@return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
LocateFvInstanceWithTables (
|
||||
OUT EFI_FIRMWARE_VOLUME2_PROTOCOL **Instance
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_HANDLE *HandleBuffer;
|
||||
UINTN NumberOfHandles;
|
||||
EFI_FV_FILETYPE FileType;
|
||||
UINT32 FvStatus;
|
||||
EFI_FV_FILE_ATTRIBUTES Attributes;
|
||||
UINTN Size;
|
||||
UINTN Index;
|
||||
EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance;
|
||||
|
||||
FvStatus = 0;
|
||||
|
||||
//
|
||||
// Locate protocol.
|
||||
//
|
||||
Status = gBS->LocateHandleBuffer (
|
||||
ByProtocol,
|
||||
&gEfiFirmwareVolume2ProtocolGuid,
|
||||
NULL,
|
||||
&NumberOfHandles,
|
||||
&HandleBuffer
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
//
|
||||
// Defined errors at this time are not found and out of resources.
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
|
||||
//
|
||||
// Looking for FV with ACPI storage file
|
||||
//
|
||||
|
||||
for (Index = 0; Index < NumberOfHandles; Index++) {
|
||||
//
|
||||
// Get the protocol on this handle
|
||||
// This should not fail because of LocateHandleBuffer
|
||||
//
|
||||
Status = gBS->HandleProtocol (
|
||||
HandleBuffer[Index],
|
||||
&gEfiFirmwareVolume2ProtocolGuid,
|
||||
(VOID**) &FvInstance
|
||||
);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
//
|
||||
// See if it has the ACPI storage file
|
||||
//
|
||||
Status = FvInstance->ReadFile (
|
||||
FvInstance,
|
||||
(EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile),
|
||||
NULL,
|
||||
&Size,
|
||||
&FileType,
|
||||
&Attributes,
|
||||
&FvStatus
|
||||
);
|
||||
|
||||
//
|
||||
// If we found it, then we are done
|
||||
//
|
||||
if (Status == EFI_SUCCESS) {
|
||||
*Instance = FvInstance;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Our exit status is determined by the success of the previous operations
|
||||
// If the protocol was found, Instance already points to it.
|
||||
//
|
||||
|
||||
//
|
||||
// Free any allocated buffers
|
||||
//
|
||||
gBS->FreePool (HandleBuffer);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function calculates and updates an UINT8 checksum.
|
||||
|
||||
@param Buffer Pointer to buffer to checksum
|
||||
@param Size Number of bytes to checksum
|
||||
|
||||
**/
|
||||
VOID
|
||||
AcpiPlatformChecksum (
|
||||
IN UINT8 *Buffer,
|
||||
IN UINTN Size
|
||||
)
|
||||
{
|
||||
UINTN ChecksumOffset;
|
||||
|
||||
ChecksumOffset = OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum);
|
||||
|
||||
//
|
||||
// Set checksum to 0 first
|
||||
//
|
||||
Buffer[ChecksumOffset] = 0;
|
||||
|
||||
//
|
||||
// Update checksum value
|
||||
//
|
||||
Buffer[ChecksumOffset] = CalculateCheckSum8(Buffer, Size);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Entrypoint of Acpi Platform driver.
|
||||
|
||||
@param ImageHandle
|
||||
@param SystemTable
|
||||
|
||||
@return EFI_SUCCESS
|
||||
@return EFI_LOAD_ERROR
|
||||
@return EFI_OUT_OF_RESOURCES
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
AcpiPlatformEntryPoint (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
|
||||
EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;
|
||||
INTN Instance;
|
||||
EFI_ACPI_COMMON_HEADER *CurrentTable;
|
||||
UINTN TableHandle;
|
||||
UINT32 FvStatus;
|
||||
UINTN TableSize;
|
||||
UINTN Size;
|
||||
|
||||
Instance = 0;
|
||||
CurrentTable = NULL;
|
||||
TableHandle = 0;
|
||||
|
||||
//
|
||||
// Find the AcpiTable protocol
|
||||
//
|
||||
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&AcpiTable);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return EFI_ABORTED;
|
||||
}
|
||||
|
||||
//
|
||||
// Locate the firmware volume protocol
|
||||
//
|
||||
Status = LocateFvInstanceWithTables (&FwVol);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return EFI_ABORTED;
|
||||
}
|
||||
//
|
||||
// Read tables from the storage file.
|
||||
//
|
||||
while (Status == EFI_SUCCESS) {
|
||||
|
||||
Status = FwVol->ReadSection (
|
||||
FwVol,
|
||||
(EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile),
|
||||
EFI_SECTION_RAW,
|
||||
Instance,
|
||||
(VOID**) &CurrentTable,
|
||||
&Size,
|
||||
&FvStatus
|
||||
);
|
||||
if (!EFI_ERROR(Status)) {
|
||||
//
|
||||
// Add the table
|
||||
//
|
||||
TableHandle = 0;
|
||||
|
||||
TableSize = ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length;
|
||||
ASSERT (Size >= TableSize);
|
||||
|
||||
//
|
||||
// Checksum ACPI table
|
||||
//
|
||||
AcpiPlatformChecksum ((UINT8*)CurrentTable, TableSize);
|
||||
|
||||
//
|
||||
// Install ACPI table
|
||||
//
|
||||
Status = AcpiTable->InstallAcpiTable (
|
||||
AcpiTable,
|
||||
CurrentTable,
|
||||
TableSize,
|
||||
&TableHandle
|
||||
);
|
||||
|
||||
//
|
||||
// Free memory allocated by ReadSection
|
||||
//
|
||||
gBS->FreePool (CurrentTable);
|
||||
|
||||
if (EFI_ERROR(Status)) {
|
||||
return EFI_ABORTED;
|
||||
}
|
||||
|
||||
//
|
||||
// Increment the instance
|
||||
//
|
||||
Instance++;
|
||||
CurrentTable = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,53 @@
|
|||
## @file
|
||||
# Sample ACPI Platform Driver
|
||||
#
|
||||
# Copyright (c) 2008 - 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 = AcpiPlatform
|
||||
FILE_GUID = cb933912-df8f-4305-b1f9-7b44fa11395c
|
||||
MODULE_TYPE = DXE_DRIVER
|
||||
VERSION_STRING = 1.0
|
||||
ENTRY_POINT = AcpiPlatformEntryPoint
|
||||
|
||||
#
|
||||
# The following information is for reference only and not required by the build tools.
|
||||
#
|
||||
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
|
||||
#
|
||||
|
||||
[Sources]
|
||||
AcpiPlatform.c
|
||||
|
||||
[Packages]
|
||||
MdePkg/MdePkg.dec
|
||||
MdeModulePkg/MdeModulePkg.dec
|
||||
|
||||
[LibraryClasses]
|
||||
UefiLib
|
||||
DxeServicesLib
|
||||
PcdLib
|
||||
BaseMemoryLib
|
||||
DebugLib
|
||||
UefiBootServicesTableLib
|
||||
UefiDriverEntryPoint
|
||||
|
||||
[Protocols]
|
||||
gEfiAcpiTableProtocolGuid # PROTOCOL ALWAYS_CONSUMED
|
||||
|
||||
[Pcd]
|
||||
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiTableStorageFile
|
||||
|
||||
[Depex]
|
||||
gEfiAcpiTableProtocolGuid
|
||||
|
||||
|
|
@ -422,7 +422,7 @@
|
|||
# ACPI Support
|
||||
#
|
||||
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
|
||||
MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
OvmfPkg/AcpiTables/AcpiTables.inf
|
||||
|
||||
#
|
||||
|
|
|
|||
|
|
@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
|
|||
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
|
||||
|
||||
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
|
||||
INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
|
||||
|
||||
INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf
|
||||
|
|
|
|||
|
|
@ -424,7 +424,7 @@
|
|||
# ACPI Support
|
||||
#
|
||||
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
|
||||
MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
OvmfPkg/AcpiTables/AcpiTables.inf
|
||||
|
||||
#
|
||||
|
|
|
|||
|
|
@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
|
|||
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
|
||||
|
||||
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
|
||||
INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
|
||||
|
||||
INF RuleOverride = BINARY USE = X64 FatBinPkg/EnhancedFatDxe/Fat.inf
|
||||
|
|
|
|||
|
|
@ -422,7 +422,7 @@
|
|||
# ACPI Support
|
||||
#
|
||||
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
|
||||
MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
OvmfPkg/AcpiTables/AcpiTables.inf
|
||||
|
||||
#
|
||||
|
|
|
|||
|
|
@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
|
|||
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
|
||||
|
||||
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
|
||||
INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
|
||||
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
|
||||
|
||||
INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf
|
||||
|
|
|
|||
Loading…
Reference in New Issue