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MdeModulePkg BootScriptExecutorDxe: Fix S3 failure When PcdUse1GPageTable defined as dynamic.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14896 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2013-11-25 06:20:18 +00:00
committed by lzeng14
parent fae736240c
commit 59cc677cf3
4 changed files with 160 additions and 110 deletions
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24
MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c
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@@ -21,7 +21,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define IA32_PG_PS BIT7
UINT64 mPhyMask;
BOOLEAN mPage1GSupport;
VOID *mOriginalHandler;
UINTN mS3NvsPageTableAddress;
@@ -47,23 +46,18 @@ HookPageFaultHandler (
)
{
UINT32 RegEax;
UINT32 RegEdx;
UINT8 PhysicalAddressBits;
UINTN PageFaultHandlerHookAddress;
AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
mPhyMask = LShiftU64 (1, (UINT8)RegEax) - 1;
mPhyMask &= (1ull << 48) - SIZE_4KB;
mPage1GSupport = FALSE;
if (PcdGetBool(PcdUse1GPageTable)) {
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000001) {
AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
if ((RegEdx & BIT26) != 0) {
mPage1GSupport = TRUE;
}
}
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000008) {
AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
PhysicalAddressBits = (UINT8) RegEax;
} else {
PhysicalAddressBits = 36;
}
mPhyMask = LShiftU64 (1, PhysicalAddressBits) - 1;
mPhyMask &= (1ull << 48) - SIZE_4KB;
//
// Set Page Fault entry to catch >4G access