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OvmfPkg/PlatformPei: Detect S3 support for QEMU / KVM

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QEMU indicates whether S3 is supported or not in the
fw-cfg interface.

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://svn.code.sf.net/p/edk2/code/trunk/edk2@15293 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jordan Justen 2014-03-04 08:01:58 +00:00 committed by jljusten
parent 14eb7a5be2
commit 7cdba6346b
3 changed files with 11 additions and 0 deletions
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8
OvmfPkg/PlatformPei/Platform.c
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@ -30,6 +30,7 @@
#include <Library/PciLib.h> #include <Library/PciLib.h>
#include <Library/PeimEntryPoint.h> #include <Library/PeimEntryPoint.h>
#include <Library/PeiServicesLib.h> #include <Library/PeiServicesLib.h>
#include <Library/QemuFwCfgLib.h>
#include <Library/ResourcePublicationLib.h> #include <Library/ResourcePublicationLib.h>
#include <Guid/MemoryTypeInformation.h> #include <Guid/MemoryTypeInformation.h>
#include <Ppi/MasterBootMode.h> #include <Ppi/MasterBootMode.h>
@ -61,6 +62,8 @@ EFI_PEI_PPI_DESCRIPTOR mPpiBootMode[] = {
EFI_BOOT_MODE mBootMode = BOOT_WITH_FULL_CONFIGURATION; EFI_BOOT_MODE mBootMode = BOOT_WITH_FULL_CONFIGURATION;
BOOLEAN mS3Supported = FALSE;
VOID VOID
AddIoMemoryBaseSizeHob ( AddIoMemoryBaseSizeHob (
@ -356,6 +359,11 @@ InitializePlatform (
XenDetect (); XenDetect ();
if (QemuFwCfgS3Enabled ()) {
DEBUG ((EFI_D_INFO, "S3 support was detected on QEMU\n"));
mS3Supported = TRUE;
}
BootModeInitialization (); BootModeInitialization ();
PublishPeiMemory (); PublishPeiMemory ();

2
OvmfPkg/PlatformPei/Platform.h
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@ -98,4 +98,6 @@ XenPublishRamRegions (
extern EFI_BOOT_MODE mBootMode; extern EFI_BOOT_MODE mBootMode;
extern BOOLEAN mS3Supported;
#endif // _PLATFORM_PEI_H_INCLUDED_ #endif // _PLATFORM_PEI_H_INCLUDED_

1
OvmfPkg/PlatformPei/PlatformPei.inf
View File

@ -54,6 +54,7 @@
PeiServicesLib PeiServicesLib
PeiServicesTablePointerLib PeiServicesTablePointerLib
PeimEntryPoint PeimEntryPoint
QemuFwCfgLib
MtrrLib MtrrLib
PcdLib PcdLib