sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

OvmfPkg/AcpiPlatformDxe: Detect QEMU & Xen

Browse Source 
Detect QEMU & Xen, and allow each to choose how to publish
the individual ACPI tables.

Currently both paths simply publish the tables unmodified.

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@13385 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2012-05-30 23:15:27 +00:00
parent 7d2bd1505b
commit 522203de37
5 changed files with 228 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
View File

@ -1,7 +1,7 @@
/** @file
Sample ACPI Platform Driver
OVMF ACPI Platform Driver
Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2008 - 2012, 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
@ -10,19 +10,27 @@
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 "AcpiPlatform.h"
#include <Protocol/AcpiTable.h>
#include <Protocol/FirmwareVolume2.h>
EFI_STATUS
EFIAPI
InstallAcpiTable (
IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,
IN VOID *AcpiTableBuffer,
IN UINTN AcpiTableBufferSize,
OUT UINTN *TableKey
)
{
return AcpiProtocol->InstallAcpiTable (
AcpiProtocol,
AcpiTableBuffer,
AcpiTableBufferSize,
TableKey
);
}
#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
@ -171,15 +179,16 @@ AcpiPlatformEntryPoint (
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;
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;
EFI_ACPI_TABLE_INSTALL_ACPI_TABLE TableInstallFunction;
Instance = 0;
CurrentTable = NULL;
@ -193,6 +202,14 @@ AcpiPlatformEntryPoint (
return EFI_ABORTED;
}
if (QemuDetected ()) {
TableInstallFunction = QemuInstallAcpiTable;
} else if (XenDetected ()) {
TableInstallFunction = XenInstallAcpiTable;
} else {
TableInstallFunction = InstallAcpiTable;
}
//
// Locate the firmware volume protocol
//
@ -231,19 +248,19 @@ AcpiPlatformEntryPoint (
//
// Install ACPI table
//
Status = AcpiTable->InstallAcpiTable (
AcpiTable,
CurrentTable,
TableSize,
&TableHandle
);
Status = TableInstallFunction (
AcpiTable,
CurrentTable,
TableSize,
&TableHandle
);
//
// Free memory allocated by ReadSection
//
gBS->FreePool (CurrentTable);
if (EFI_ERROR(Status)) {
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}