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Remove hard code value and create new PCDs for OpROM reserved range in CSM module.

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Signed-off-by: Li Elvin <elvin.li@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13991 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin
2012-12-12 07:47:33 +00:00
parent b3d4217001
commit 3e5eb44701
3 changed files with 29 additions and 2 deletions
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17
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c
View File

@ -682,6 +682,7 @@ LegacyBiosInstall (
LEGACY_BIOS_INSTANCE *Private;
EFI_TO_COMPATIBILITY16_INIT_TABLE *EfiToLegacy16InitTable;
EFI_PHYSICAL_ADDRESS MemoryAddress;
EFI_PHYSICAL_ADDRESS EbdaReservedBaseAddress;
VOID *MemoryPtr;
EFI_PHYSICAL_ADDRESS MemoryAddressUnder1MB;
UINTN Index;
@ -880,9 +881,21 @@ LegacyBiosInstall (
//
// Allocate all 32k chunks from 0x60000 ~ 0x88000 for Legacy OPROMs that
// don't use PMM but look for zeroed memory. Note that various non-BBS
// SCSIs expect different areas to be free
// OpROMs expect different areas to be free
//
for (MemStart = 0x60000; MemStart < 0x88000; MemStart += 0x1000) {
EbdaReservedBaseAddress = MemoryAddress;
MemoryAddress = PcdGet32 (PcdOpromReservedMemoryBase);
MemorySize = PcdGet32 (PcdOpromReservedMemorySize);
//
// Check if base address and size for reserved memory are 4KB aligned.
//
ASSERT ((MemoryAddress & 0xFFF) == 0);
ASSERT ((MemorySize & 0xFFF) == 0);
//
// Check if the reserved memory is below EBDA reserved range.
//
ASSERT ((MemoryAddress < EbdaReservedBaseAddress) && ((MemoryAddress + MemorySize - 1) < EbdaReservedBaseAddress));
for (MemStart = MemoryAddress; MemStart < MemoryAddress + MemorySize; MemStart += 0x1000) {
Status = AllocateLegacyMemory (
AllocateAddress,
MemStart,

2
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
View File

@ -140,6 +140,8 @@
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEndOpromShadowAddress
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLowPmmMemorySize
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdHighPmmMemorySize
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdOpromReservedMemoryBase
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdOpromReservedMemorySize
[Depex]
gEfiLegacyRegion2ProtocolGuid AND gEfiLegacyInterruptProtocolGuid AND gEfiLegacyBiosPlatformProtocolGuid AND gEfiLegacy8259ProtocolGuid AND gEfiGenericMemTestProtocolGuid AND gEfiCpuArchProtocolGuid AND gEfiTimerArchProtocolGuid AND gEfiVariableWriteArchProtocolGuid