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Add support for PI1.2.1 TempRam Done PPI.

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Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14847 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Liming Gao
2013-11-15 02:05:11 +00:00
committed by lgao4
parent fcfd5fb01b
commit 0f9ebb3216
5 changed files with 303 additions and 146 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
MdeModulePkg/Core/Pei/PeiMain/PeiMain.c
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@@ -120,7 +120,7 @@ ShadowPeiCore (
from SEC to PEI. After switching stack in the PEI core, it will restart
with the old core data.
@param SecCoreData Points to a data structure containing information about the PEI core's operating
@param SecCoreDataPtr Points to a data structure containing information about the PEI core's operating
environment, such as the size and location of temporary RAM, the stack location and
the BFV location.
@param PpiList Points to a list of one or more PPI descriptors to be installed initially by the PEI core.
@@ -137,23 +137,27 @@ ShadowPeiCore (
VOID
EFIAPI
PeiCore (
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreDataPtr,
IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,
IN VOID *Data
)
{
PEI_CORE_INSTANCE PrivateData;
EFI_SEC_PEI_HAND_OFF *SecCoreData;
EFI_SEC_PEI_HAND_OFF NewSecCoreData;
EFI_STATUS Status;
PEI_CORE_TEMP_POINTERS TempPtr;
PEI_CORE_INSTANCE *OldCoreData;
EFI_PEI_CPU_IO_PPI *CpuIo;
EFI_PEI_PCI_CFG2_PPI *PciCfg;
EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable;
EFI_PEI_TEMPORARY_RAM_DONE_PPI *TemporaryRamDonePpi;
//
// Retrieve context passed into PEI Core
//
OldCoreData = (PEI_CORE_INSTANCE *)Data;
OldCoreData = (PEI_CORE_INSTANCE *) Data;
SecCoreData = (EFI_SEC_PEI_HAND_OFF *) SecCoreDataPtr;
//
// Perform PEI Core phase specific actions.
@@ -250,9 +254,11 @@ PeiCore (
//
// Memory is available to the PEI Core and the PEI Core has been shadowed to memory.
//
CopyMem (&NewSecCoreData, SecCoreDataPtr, sizeof (NewSecCoreData));
SecCoreData = &NewSecCoreData;
CopyMem (&PrivateData, OldCoreData, sizeof (PrivateData));
CpuIo = (VOID*)PrivateData.ServiceTableShadow.CpuIo;
PciCfg = (VOID*)PrivateData.ServiceTableShadow.PciCfg;
@@ -328,6 +334,22 @@ PeiCore (
ASSERT_EFI_ERROR (Status);
}
} else {
//
// Try to locate Temporary RAM Done Ppi.
//
Status = PeiServicesLocatePpi (
&gEfiTemporaryRamDonePpiGuid,
0,
NULL,
(VOID**)&TemporaryRamDonePpi
);
if (!EFI_ERROR (Status)) {
//
// Disable the use of Temporary RAM after the transition from Temporary RAM to Permanent RAM is complete.
//
TemporaryRamDonePpi->TemporaryRamDone ();
}
//
// Alert any listeners that there is permanent memory available
//