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Fixed one code error, should use & instead of |. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>




git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15648 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Eric Dong 2014-07-10 01:25:41 +00:00 committed by ydong10
parent ffb91edfd5
commit 86b0245467
1 changed files with 3 additions and 8 deletions
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11
DuetPkg/BiosVideoThunkDxe/LegacyBiosThunk.c
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@ -140,10 +140,10 @@ LegacyBiosInt86 (
)
{
UINTN Status;
UINTN Eflags;
IA32_REGISTER_SET ThunkRegSet;
BOOLEAN Ret;
UINT16 *Stack16;
BOOLEAN Enabled;
ZeroMem (&ThunkRegSet, sizeof (ThunkRegSet));
ThunkRegSet.E.EFLAGS.Bits.Reserved_0 = 1;
@ -169,10 +169,7 @@ LegacyBiosInt86 (
//
// The call to Legacy16 is a critical section to EFI
//
Eflags = AsmReadEflags ();
if ((Eflags | EFI_CPU_EFLAGS_IF) != 0) {
DisableInterrupts ();
}
Enabled = SaveAndDisableInterrupts();
//
// Set Legacy16 state. 0x08, 0x70 is legacy 8259 vector bases.
@ -199,9 +196,7 @@ LegacyBiosInt86 (
//
// End critical section
//
if ((Eflags | EFI_CPU_EFLAGS_IF) != 0) {
EnableInterrupts ();
}
SetInterruptState (Enabled);
Regs->E.EDI = ThunkRegSet.E.EDI;
Regs->E.ESI = ThunkRegSet.E.ESI;