tyler.durden/audk
1
0
Fork 0
mirror of https://github.com/acidanthera/audk.git synced 2025-07-27 07:34:06 +02:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c
View File

@ -1,6 +1,6 @@
/** @file /** @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 This program and the accompanying materials
are licensed and made available under the terms and conditions are licensed and made available under the terms and conditions
@ -922,21 +922,32 @@ LegacyBiosInstall (
EfiToLegacy16InitTable->LowPmmMemory = (UINT32) MemoryAddressUnder1MB; EfiToLegacy16InitTable->LowPmmMemory = (UINT32) MemoryAddressUnder1MB;
EfiToLegacy16InitTable->LowPmmMemorySizeInBytes = MemorySize; EfiToLegacy16InitTable->LowPmmMemorySizeInBytes = MemorySize;
MemorySize = PcdGet32 (PcdHighPmmMemorySize);
ASSERT ((MemorySize & 0xFFF) == 0);
// //
// Allocate high PMM Memory under 16 MB // Allocate high PMM Memory under 16 MB
// //
MemorySize = PcdGet32 (PcdHighPmmMemorySize);
ASSERT ((MemorySize & 0xFFF) == 0);
Status = AllocateLegacyMemory ( Status = AllocateLegacyMemory (
AllocateMaxAddress, AllocateMaxAddress,
0x1000000, 0x1000000,
EFI_SIZE_TO_PAGES (MemorySize), EFI_SIZE_TO_PAGES (MemorySize),
&MemoryAddress &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)) { if (!EFI_ERROR (Status)) {
EfiToLegacy16InitTable->HiPmmMemory = (UINT32) (EFI_PHYSICAL_ADDRESS) (UINTN) MemoryAddress; EfiToLegacy16InitTable->HiPmmMemory = (UINT32) (EFI_PHYSICAL_ADDRESS) (UINTN) MemoryAddress;
EfiToLegacy16InitTable->HiPmmMemorySizeInBytes = MemorySize; EfiToLegacy16InitTable->HiPmmMemorySizeInBytes = MemorySize;
} }
// //
// ShutdownAPs(); // ShutdownAPs();