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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
This commit is contained in:
klu2 2009-05-04 03:00:08 +00:00
parent 15543340da
commit d1be17ab87
1 changed files with 3 additions and 1 deletions
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4
MdePkg/Library/BaseLib/X86Thunk.c
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@ -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