diff options
Diffstat (limited to 'MdeModulePkg/Universal/CapsulePei')
| -rw-r--r-- | MdeModulePkg/Universal/CapsulePei/CapsulePei.inf | 3 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/CapsulePei/UefiCapsule.c | 12 |
2 files changed, 10 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/CapsulePei/CapsulePei.inf b/MdeModulePkg/Universal/CapsulePei/CapsulePei.inf index 72f1ba52f6..8f9ebfb8ba 100644 --- a/MdeModulePkg/Universal/CapsulePei/CapsulePei.inf +++ b/MdeModulePkg/Universal/CapsulePei/CapsulePei.inf @@ -68,6 +68,9 @@ [Pcd.IA32]
gEfiMdeModulePkgTokenSpaceGuid.PcdCapsuleCoalesceFile
+[Pcd.IA32]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable
+
[FeaturePcd.IA32]
gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode
diff --git a/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c b/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c index d34c3fdd8a..98b0d56457 100644 --- a/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c +++ b/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c @@ -63,11 +63,13 @@ CalculatePageTableSize ( BOOLEAN Page1GSupport;
Page1GSupport = FALSE;
- AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
- if (RegEax >= 0x80000001) {
- AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
- if ((RegEdx & BIT26) != 0) {
- Page1GSupport = TRUE;
+ if (PcdGetBool(PcdUse1GPageTable)) {
+ AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
+ if (RegEax >= 0x80000001) {
+ AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
+ if ((RegEdx & BIT26) != 0) {
+ Page1GSupport = TRUE;
+ }
}
}
|