mirror of https://github.com/acidanthera/audk.git
421 lines
14 KiB
C
421 lines
14 KiB
C
/** @file
|
|
API between 16-bit Legacy BIOS and EFI
|
|
|
|
We need to figure out what the 16-bit code is going to use to
|
|
represent these data structures. Is a pointer SEG:OFF or 32-bit...
|
|
|
|
Copyright (c) 2007, Intel Corporation
|
|
All rights reserved. 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.
|
|
|
|
Module Name: FrameworkLegacy16.h
|
|
|
|
@par Revision Reference:
|
|
These definitions are from Compatibility Support Module Spec
|
|
Version 0.97.
|
|
|
|
**/
|
|
|
|
#ifndef _FRAMEWORK_LEGACY_16_H_
|
|
#define _FRAMEWORK_LEGACY_16_H_
|
|
|
|
#include <Base.h>
|
|
|
|
#pragma pack(1)
|
|
|
|
typedef UINT8 SERIAL_MODE;
|
|
typedef UINT8 PARALLEL_MODE;
|
|
|
|
//
|
|
// EFI_COMPATIBILITY16_TABLE is located at a 16-byte boundary starting with the
|
|
// signature "$EFI"
|
|
//
|
|
#define EFI_COMPATIBILITY16_TABLE_SIGNATURE SIGNATURE_32 ('I', 'F', 'E', '$')
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
UINT8 TableChecksum;
|
|
UINT8 TableLength;
|
|
UINT8 EfiMajorRevision;
|
|
UINT8 EfiMinorRevision;
|
|
UINT8 TableMajorRevision;
|
|
UINT8 TableMinorRevision;
|
|
UINT16 Reserved;
|
|
UINT16 Compatibility16CallSegment;
|
|
UINT16 Compatibility16CallOffset;
|
|
UINT16 PnPInstallationCheckSegment;
|
|
UINT16 PnPInstallationCheckOffset;
|
|
UINT32 EfiSystemTable; // The physical address of EFI_SYSTEM_TABLE
|
|
UINT32 OemIdStringPointer;
|
|
UINT32 AcpiRsdPtrPointer;
|
|
UINT16 OemRevision;
|
|
UINT32 E820Pointer;
|
|
UINT32 E820Length;
|
|
UINT32 IrqRoutingTablePointer;
|
|
UINT32 IrqRoutingTableLength;
|
|
UINT32 MpTablePtr;
|
|
UINT32 MpTableLength;
|
|
UINT16 OemIntSegment;
|
|
UINT16 OemIntOffset;
|
|
UINT16 Oem32Segment;
|
|
UINT16 Oem32Offset;
|
|
UINT16 Oem16Segment;
|
|
UINT16 Oem16Offset;
|
|
UINT16 TpmSegment;
|
|
UINT16 TpmOffset;
|
|
UINT32 IbvPointer;
|
|
UINT32 PciExpressBase;
|
|
UINT8 LastPciBus;
|
|
} EFI_COMPATIBILITY16_TABLE;
|
|
|
|
//
|
|
// Functions provided by the CSM binary
|
|
//
|
|
typedef enum {
|
|
Legacy16InitializeYourself = 0x0000,
|
|
Legacy16UpdateBbs = 0x0001,
|
|
Legacy16PrepareToBoot = 0x0002,
|
|
Legacy16Boot = 0x0003,
|
|
Legacy16RetrieveLastBootDevice= 0x0004,
|
|
Legacy16DispatchOprom = 0x0005,
|
|
Legacy16GetTableAddress = 0x0006,
|
|
Legacy16SetKeyboardLeds = 0x0007,
|
|
Legacy16InstallPciHandler = 0x0008
|
|
} EFI_COMPATIBILITY_FUNCTIONS;
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// EFI_DISPATCH_OPROM_TABLE
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef struct {
|
|
UINT16 PnPInstallationCheckSegment;
|
|
UINT16 PnPInstallationCheckOffset;
|
|
UINT16 OpromSegment;
|
|
UINT8 PciBus;
|
|
UINT8 PciDeviceFunction;
|
|
UINT8 NumberBbsEntries;
|
|
VOID *BbsTablePointer; /// @bug: variable size on 32/64-bit systems.
|
|
UINT16 RuntimeSegment;
|
|
} EFI_DISPATCH_OPROM_TABLE;
|
|
|
|
//
|
|
// EFI_TO_COMPATIBILITY16_INIT_TABLE
|
|
//
|
|
typedef struct {
|
|
UINT32 BiosLessThan1MB;
|
|
UINT32 HiPmmMemory;
|
|
UINT32 HiPmmMemorySizeInBytes;
|
|
UINT16 ReverseThunkCallSegment;
|
|
UINT16 ReverseThunkCallOffset;
|
|
UINT32 NumberE820Entries;
|
|
UINT32 OsMemoryAbove1Mb;
|
|
UINT32 ThunkStart;
|
|
UINT32 ThunkSizeInBytes;
|
|
UINT32 LowPmmMemory;
|
|
UINT32 LowPmmMemorySizeInBytes;
|
|
} EFI_TO_COMPATIBILITY16_INIT_TABLE;
|
|
|
|
//
|
|
// EFI_TO_COMPATIBILITY16_BOOT_TABLE
|
|
//
|
|
|
|
//
|
|
// DEVICE_PRODUCER_SERIAL & its modes
|
|
//
|
|
typedef struct {
|
|
UINT16 Address;
|
|
UINT8 Irq;
|
|
SERIAL_MODE Mode;
|
|
} DEVICE_PRODUCER_SERIAL;
|
|
|
|
#define DEVICE_SERIAL_MODE_NORMAL 0x00
|
|
#define DEVICE_SERIAL_MODE_IRDA 0x01
|
|
#define DEVICE_SERIAL_MODE_ASK_IR 0x02
|
|
#define DEVICE_SERIAL_MODE_DUPLEX_HALF 0x00
|
|
#define DEVICE_SERIAL_MODE_DUPLEX_FULL 0x10
|
|
|
|
//
|
|
// DEVICE_PRODUCER_PARALLEL & its modes
|
|
//
|
|
typedef struct {
|
|
UINT16 Address;
|
|
UINT8 Irq;
|
|
UINT8 Dma;
|
|
PARALLEL_MODE Mode;
|
|
} DEVICE_PRODUCER_PARALLEL;
|
|
|
|
#define DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY 0x00
|
|
#define DEVICE_PARALLEL_MODE_MODE_BIDIRECTIONAL 0x01
|
|
#define DEVICE_PARALLEL_MODE_MODE_EPP 0x02
|
|
#define DEVICE_PARALLEL_MODE_MODE_ECP 0x03
|
|
|
|
//
|
|
// DEVICE_PRODUCER_FLOPPY
|
|
//
|
|
typedef struct {
|
|
UINT16 Address;
|
|
UINT8 Irq;
|
|
UINT8 Dma;
|
|
UINT8 NumberOfFloppy;
|
|
} DEVICE_PRODUCER_FLOPPY;
|
|
|
|
//
|
|
// LEGACY_DEVICE_FLAGS
|
|
//
|
|
typedef struct {
|
|
UINT32 A20Kybd : 1;
|
|
UINT32 A20Port90 : 1;
|
|
UINT32 Reserved : 30;
|
|
} LEGACY_DEVICE_FLAGS;
|
|
|
|
//
|
|
// DEVICE_PRODUCER_DATA_HEADER
|
|
//
|
|
typedef struct {
|
|
DEVICE_PRODUCER_SERIAL Serial[4];
|
|
DEVICE_PRODUCER_PARALLEL Parallel[3];
|
|
DEVICE_PRODUCER_FLOPPY Floppy;
|
|
UINT8 MousePresent;
|
|
LEGACY_DEVICE_FLAGS Flags;
|
|
} DEVICE_PRODUCER_DATA_HEADER;
|
|
|
|
//
|
|
// ATAPI_IDENTIFY
|
|
//
|
|
typedef struct {
|
|
UINT16 Raw[256];
|
|
} ATAPI_IDENTIFY;
|
|
|
|
//
|
|
// HDD_INFO & its status
|
|
//
|
|
typedef struct {
|
|
UINT16 Status;
|
|
UINT32 Bus;
|
|
UINT32 Device;
|
|
UINT32 Function;
|
|
UINT16 CommandBaseAddress;
|
|
UINT16 ControlBaseAddress;
|
|
UINT16 BusMasterAddress;
|
|
UINT8 HddIrq;
|
|
ATAPI_IDENTIFY IdentifyDrive[2];
|
|
} HDD_INFO;
|
|
|
|
#define HDD_PRIMARY 0x01
|
|
#define HDD_SECONDARY 0x02
|
|
#define HDD_MASTER_ATAPI_CDROM 0x04
|
|
#define HDD_SLAVE_ATAPI_CDROM 0x08
|
|
#define HDD_MASTER_IDE 0x20
|
|
#define HDD_SLAVE_IDE 0x40
|
|
#define HDD_MASTER_ATAPI_ZIPDISK 0x10
|
|
#define HDD_SLAVE_ATAPI_ZIPDISK 0x80
|
|
|
|
//
|
|
// BBS_STATUS_FLAGS
|
|
//
|
|
typedef struct {
|
|
UINT16 OldPosition : 4;
|
|
UINT16 Reserved1 : 4;
|
|
UINT16 Enabled : 1;
|
|
UINT16 Failed : 1;
|
|
UINT16 MediaPresent : 2;
|
|
UINT16 Reserved2 : 4;
|
|
} BBS_STATUS_FLAGS;
|
|
|
|
//
|
|
// BBS_TABLE, device type values & boot priority values
|
|
//
|
|
typedef struct {
|
|
UINT16 BootPriority;
|
|
UINT32 Bus;
|
|
UINT32 Device;
|
|
UINT32 Function;
|
|
UINT8 Class;
|
|
UINT8 SubClass;
|
|
UINT16 MfgStringOffset;
|
|
UINT16 MfgStringSegment;
|
|
UINT16 DeviceType;
|
|
BBS_STATUS_FLAGS StatusFlags;
|
|
UINT16 BootHandlerOffset;
|
|
UINT16 BootHandlerSegment;
|
|
UINT16 DescStringOffset;
|
|
UINT16 DescStringSegment;
|
|
UINT32 InitPerReserved;
|
|
UINT32 AdditionalIrq13Handler;
|
|
UINT32 AdditionalIrq18Handler;
|
|
UINT32 AdditionalIrq19Handler;
|
|
UINT32 AdditionalIrq40Handler;
|
|
UINT8 AssignedDriveNumber;
|
|
UINT32 AdditionalIrq41Handler;
|
|
UINT32 AdditionalIrq46Handler;
|
|
UINT32 IBV1;
|
|
UINT32 IBV2;
|
|
} BBS_TABLE;
|
|
|
|
#define BBS_FLOPPY 0x01
|
|
#define BBS_HARDDISK 0x02
|
|
#define BBS_CDROM 0x03
|
|
#define BBS_PCMCIA 0x04
|
|
#define BBS_USB 0x05
|
|
#define BBS_EMBED_NETWORK 0x06
|
|
#define BBS_BEV_DEVICE 0x80
|
|
#define BBS_UNKNOWN 0xff
|
|
|
|
#define BBS_DO_NOT_BOOT_FROM 0xFFFC
|
|
#define BBS_LOWEST_PRIORITY 0xFFFD
|
|
#define BBS_UNPRIORITIZED_ENTRY 0xFFFE
|
|
#define BBS_IGNORE_ENTRY 0xFFFF
|
|
|
|
//
|
|
// SMM_ATTRIBUTES & relating type, port and data size constants
|
|
//
|
|
typedef struct {
|
|
UINT16 Type : 3;
|
|
UINT16 PortGranularity : 3;
|
|
UINT16 DataGranularity : 3;
|
|
UINT16 Reserved : 7;
|
|
} SMM_ATTRIBUTES;
|
|
|
|
#define STANDARD_IO 0x00
|
|
#define STANDARD_MEMORY 0x01
|
|
|
|
#define PORT_SIZE_8 0x00
|
|
#define PORT_SIZE_16 0x01
|
|
#define PORT_SIZE_32 0x02
|
|
#define PORT_SIZE_64 0x03
|
|
|
|
#define DATA_SIZE_8 0x00
|
|
#define DATA_SIZE_16 0x01
|
|
#define DATA_SIZE_32 0x02
|
|
#define DATA_SIZE_64 0x03
|
|
|
|
//
|
|
// SMM_FUNCTION & relating constants
|
|
//
|
|
typedef struct {
|
|
UINT16 Function : 15;
|
|
UINT16 Owner : 1;
|
|
} SMM_FUNCTION;
|
|
|
|
#define INT15_D042 0x0000
|
|
#define GET_USB_BOOT_INFO 0x0001
|
|
#define DMI_PNP_50_57 0x0002
|
|
|
|
#define STANDARD_OWNER 0x0
|
|
#define OEM_OWNER 0x1
|
|
|
|
//
|
|
// SMM_ENTRY
|
|
//
|
|
// This structure assumes both port and data sizes are 1. SmmAttribute must be
|
|
// properly to reflect that assumption.
|
|
//
|
|
typedef struct {
|
|
SMM_ATTRIBUTES SmmAttributes;
|
|
SMM_FUNCTION SmmFunction;
|
|
UINT8 SmmPort;
|
|
UINT8 SmmData;
|
|
} SMM_ENTRY;
|
|
|
|
//
|
|
// SMM_TABLE
|
|
//
|
|
typedef struct {
|
|
UINT16 NumSmmEntries;
|
|
SMM_ENTRY SmmEntry;
|
|
} SMM_TABLE;
|
|
|
|
//
|
|
// UDC_ATTRIBUTES
|
|
//
|
|
typedef struct {
|
|
UINT8 DirectoryServiceValidity : 1;
|
|
UINT8 RabcaUsedFlag : 1;
|
|
UINT8 ExecuteHddDiagnosticsFlag : 1;
|
|
UINT8 Reserved : 5;
|
|
} UDC_ATTRIBUTES;
|
|
|
|
//
|
|
// UD_TABLE
|
|
//
|
|
typedef struct {
|
|
UDC_ATTRIBUTES Attributes;
|
|
UINT8 DeviceNumber;
|
|
UINT8 BbsTableEntryNumberForParentDevice;
|
|
UINT8 BbsTableEntryNumberForBoot;
|
|
UINT8 BbsTableEntryNumberForHddDiag;
|
|
UINT8 BeerData[128];
|
|
UINT8 ServiceAreaData[64];
|
|
} UD_TABLE;
|
|
|
|
//
|
|
// EFI_TO_COMPATIBILITY16_BOOT_TABLE
|
|
//
|
|
#define EFI_TO_LEGACY_MAJOR_VERSION 0x02
|
|
#define EFI_TO_LEGACY_MINOR_VERSION 0x00
|
|
#define MAX_IDE_CONTROLLER 8
|
|
|
|
typedef struct {
|
|
UINT16 MajorVersion;
|
|
UINT16 MinorVersion;
|
|
UINT32 AcpiTable; // 4 GB range
|
|
UINT32 SmbiosTable; // 4 GB range
|
|
UINT32 SmbiosTableLength;
|
|
//
|
|
// Legacy SIO state
|
|
//
|
|
DEVICE_PRODUCER_DATA_HEADER SioData;
|
|
UINT16 DevicePathType;
|
|
UINT16 PciIrqMask;
|
|
UINT32 NumberE820Entries;
|
|
//
|
|
// Controller & Drive Identify[2] per controller information
|
|
//
|
|
HDD_INFO HddInfo[MAX_IDE_CONTROLLER];
|
|
UINT32 NumberBbsEntries;
|
|
UINT32 BbsTable;
|
|
UINT32 SmmTable;
|
|
UINT32 OsMemoryAbove1Mb;
|
|
UINT32 UnconventionalDeviceTable;
|
|
} EFI_TO_COMPATIBILITY16_BOOT_TABLE;
|
|
|
|
//
|
|
// EFI_LEGACY_INSTALL_PCI_HANDLER
|
|
//
|
|
typedef struct {
|
|
UINT8 PciBus;
|
|
UINT8 PciDeviceFun;
|
|
UINT8 PciSegment;
|
|
UINT8 PciClass;
|
|
UINT8 PciSubclass;
|
|
UINT8 PciInterface;
|
|
//
|
|
// Primary section
|
|
//
|
|
UINT8 PrimaryIrq;
|
|
UINT8 PrimaryReserved;
|
|
UINT16 PrimaryControl;
|
|
UINT16 PrimaryBase;
|
|
UINT16 PrimaryBusMaster;
|
|
//
|
|
// Secondary Section
|
|
//
|
|
UINT8 SecondaryIrq;
|
|
UINT8 SecondaryReserved;
|
|
UINT16 SecondaryControl;
|
|
UINT16 SecondaryBase;
|
|
UINT16 SecondaryBusMaster;
|
|
} EFI_LEGACY_INSTALL_PCI_HANDLER;
|
|
|
|
//
|
|
// Restore default pack value
|
|
//
|
|
#pragma pack()
|
|
|
|
#endif
|