diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-04 03:00:08 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-04 03:00:08 +0000 |
| commit | d1be17ab87c51fd53381491610ede29b6dbd10fa (patch) | |
| tree | 7e3aecfa093384d70d1b4b07f8d86ca6e6723194 /MdePkg/Library/BaseLib/X86Thunk.c | |
| parent | 15543340da6cf1cb3f6047c8bf6c5426a93e52f1 (diff) | |
| download | edk2-platforms-d1be17ab87c51fd53381491610ede29b6dbd10fa.tar.xz | |
Add checking for ThunkAttribute to avoid THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL and THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 are set at same time.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8230 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/X86Thunk.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/X86Thunk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/X86Thunk.c b/MdePkg/Library/BaseLib/X86Thunk.c index 72c918756d..6b6e9f0f12 100644 --- a/MdePkg/Library/BaseLib/X86Thunk.c +++ b/MdePkg/Library/BaseLib/X86Thunk.c @@ -249,7 +249,9 @@ AsmThunk16 ( ASSERT ((UINTN)ThunkContext->RealModeBuffer < 0x100000);
ASSERT (ThunkContext->RealModeBufferSize >= m16Size);
ASSERT ((UINTN)ThunkContext->RealModeBuffer + m16Size <= 0x100000);
-
+ ASSERT (((ThunkContext->ThunkAttributes & (THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 | THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL)) != \
+ (THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 | THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL)));
+
UpdatedRegs = InternalAsmThunk16 (
ThunkContext->RealModeState,
ThunkContext->RealModeBuffer
|