From b63f669a8ab185aca67efe2a7ddb6fe6745ad14a Mon Sep 17 00:00:00 2001 From: vanjeff Date: Wed, 1 Jul 2009 05:25:38 +0000 Subject: [PATCH] 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 --- PcAtChipsetPkg/8259InterruptControllerDxe/8259.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c b/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c index 02b286b16a..72489edd62 100644 --- a/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c +++ b/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c @@ -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; -- 2.39.2