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Update the way to allocate high PMM, firstly try to allocate high PMM below 16MB, if it fails, allocate high PMM below 4GB. 

Signed-off-by: li-elvin <elvin.li@intel.com>
Reviewed-by: jyao1 <jiewen.yao@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13352 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin 2012-05-23 07:26:17 +00:00
parent bce3e2ab3c
commit 74dee93181
1 changed files with 16 additions and 5 deletions
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21
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@ -922,21 +922,32 @@ LegacyBiosInstall (
EfiToLegacy16InitTable->LowPmmMemory = (UINT32) MemoryAddressUnder1MB;
EfiToLegacy16InitTable->LowPmmMemorySizeInBytes = MemorySize;
MemorySize = PcdGet32 (PcdHighPmmMemorySize);
ASSERT ((MemorySize & 0xFFF) == 0);
//
// Allocate high PMM Memory under 16 MB
//
MemorySize = PcdGet32 (PcdHighPmmMemorySize);
ASSERT ((MemorySize & 0xFFF) == 0);
//
Status = AllocateLegacyMemory (
AllocateMaxAddress,
0x1000000,
EFI_SIZE_TO_PAGES (MemorySize),
&MemoryAddress
);
if (EFI_ERROR (Status)) {
//
// If it fails, allocate high PMM Memory under 4GB
//
Status = AllocateLegacyMemory (
AllocateMaxAddress,
0xFFFFFFFF,
EFI_SIZE_TO_PAGES (MemorySize),
&MemoryAddress
);
}
if (!EFI_ERROR (Status)) {
EfiToLegacy16InitTable->HiPmmMemory = (UINT32) (EFI_PHYSICAL_ADDRESS) (UINTN) MemoryAddress;
EfiToLegacy16InitTable->HiPmmMemorySizeInBytes = MemorySize;
}
}
//
// ShutdownAPs();