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1. Remove SetVecotor() in SetMode(). 

2. Change initialized legacy interrupt mask value to 0xffff to disable all interrupts at the beginning.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8696 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2009-07-01 05:25:38 +00:00
parent 78d6366d68
commit b63f669a8a
1 changed files with 1 additions and 3 deletions
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4
PcAtChipsetPkg/8259InterruptControllerDxe/8259.c
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@ -38,7 +38,7 @@ UINT8 mMasterBase = 0xff;
UINT8 mSlaveBase = 0xff;
EFI_8259_MODE mMode = Efi8259ProtectedMode;
UINT16 mProtectedModeMask = 0xffff;
UINT16 mLegacyModeMask = 0x06b8;
UINT16 mLegacyModeMask = 0xffff;
UINT16 mProtectedModeEdgeLevel = 0x0000;
UINT16 mLegacyModeEdgeLevel = 0x0000;
@ -351,7 +351,6 @@ Interrupt8259SetMode (
//
// Write new legacy mode mask/trigger level
//
Interrupt8259SetVectorBase (This, LEGACY_MODE_BASE_VECTOR_MASTER, LEGACY_MODE_BASE_VECTOR_SLAVE);
Interrupt8259WriteMask (mLegacyModeMask, mLegacyModeEdgeLevel);
return EFI_SUCCESS;
@ -387,7 +386,6 @@ Interrupt8259SetMode (
//
// Write new protected mode mask/trigger level
//
Interrupt8259SetVectorBase (This, PROTECTED_MODE_BASE_VECTOR_MASTER, PROTECTED_MODE_BASE_VECTOR_SLAVE);
Interrupt8259WriteMask (mProtectedModeMask, mProtectedModeEdgeLevel);
return EFI_SUCCESS;