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UefiCpuPkg/PiSmmCpuDxeSmm: Fix bitwise size issue

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Cc: Eric Dong <eric.dong@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Jian J Wang 2017-10-12 12:49:18 +08:00 committed by Hao Wu
parent d7c054f985
commit 79da2d2849
1 changed files with 1 additions and 1 deletions
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UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
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@ -891,7 +891,7 @@ Gen4GPageTable (
if ((Pte[0] & IA32_PG_PS) == 0) { if ((Pte[0] & IA32_PG_PS) == 0) {
// 4K-page entries are already mapped. Just hide the first one anyway. // 4K-page entries are already mapped. Just hide the first one anyway.
Pte = (UINT64*)(UINTN)(Pte[0] & ~mAddressEncMask & ~(EFI_PAGE_SIZE - 1)); Pte = (UINT64*)(UINTN)(Pte[0] & ~mAddressEncMask & ~(EFI_PAGE_SIZE - 1));
Pte[0] &= ~IA32_PG_P; // Hide page 0 Pte[0] &= ~(UINT64)IA32_PG_P; // Hide page 0
} else { } else {
// Create 4K-page entries // Create 4K-page entries
Pages = (UINTN)AllocatePageTableMemory (1); Pages = (UINTN)AllocatePageTableMemory (1);