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OvmfPkg: Add AcpiPlatformDxe

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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 2012-05-30 23:15:00 +00:00
parent f1ec65ba24
commit 7d2bd1505b
8 changed files with 319 additions and 6 deletions
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260
OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c Normal file
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/** @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;
}

53
OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf Normal file
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## @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

2
OvmfPkg/OvmfPkgIa32.dsc
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@ -422,7 +422,7 @@
# ACPI Support # ACPI Support
# #
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
OvmfPkg/AcpiTables/AcpiTables.inf OvmfPkg/AcpiTables/AcpiTables.inf
# #

2
OvmfPkg/OvmfPkgIa32.fdf
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@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.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=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf

2
OvmfPkg/OvmfPkgIa32X64.dsc
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@ -424,7 +424,7 @@
# ACPI Support # ACPI Support
# #
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
OvmfPkg/AcpiTables/AcpiTables.inf OvmfPkg/AcpiTables/AcpiTables.inf
# #

2
OvmfPkg/OvmfPkgIa32X64.fdf
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@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.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=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF RuleOverride = BINARY USE = X64 FatBinPkg/EnhancedFatDxe/Fat.inf INF RuleOverride = BINARY USE = X64 FatBinPkg/EnhancedFatDxe/Fat.inf

2
OvmfPkg/OvmfPkgX64.dsc
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@ -422,7 +422,7 @@
# ACPI Support # ACPI Support
# #
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
OvmfPkg/AcpiTables/AcpiTables.inf OvmfPkg/AcpiTables/AcpiTables.inf
# #

2
OvmfPkg/OvmfPkgX64.fdf
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@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.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=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf