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Diffstat (limited to 'ArmPlatformPkg/PrePeiCore/Arm/Exception.asm')
-rw-r--r--ArmPlatformPkg/PrePeiCore/Arm/Exception.asm91
1 files changed, 91 insertions, 0 deletions
diff --git a/ArmPlatformPkg/PrePeiCore/Arm/Exception.asm b/ArmPlatformPkg/PrePeiCore/Arm/Exception.asm
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+++ b/ArmPlatformPkg/PrePeiCore/Arm/Exception.asm
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+//
+// Copyright (c) 2011, ARM Limited. All rights reserved.
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php
+//
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+//
+
+#include <AsmMacroIoLib.h>
+#include <Base.h>
+#include <AutoGen.h>
+
+ IMPORT PeiCommonExceptionEntry
+ EXPORT PeiVectorTable
+
+ PRESERVE8
+ AREA PrePeiCoreException, CODE, READONLY, CODEALIGN, ALIGN=5
+
+//============================================================
+//Default Exception Handlers
+//============================================================
+
+
+PeiVectorTable
+ b _DefaultResetHandler
+ b _DefaultUndefined
+ b _DefaultSWI
+ b _DefaultPrefetchAbort
+ b _DefaultDataAbort
+ b _DefaultReserved
+ b _DefaultIrq
+ b _DefaultFiq
+
+//
+// Default Exception handlers: There is no plan to return from any of these exceptions.
+// No context saving at all.
+//
+_DefaultResetHandler
+ mov r1, lr
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #0
+ blx PeiCommonExceptionEntry
+
+_DefaultUndefined
+ sub r1, LR, #4
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #1
+ blx PeiCommonExceptionEntry
+
+_DefaultSWI
+ sub r1, LR, #4
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #2
+ blx PeiCommonExceptionEntry
+
+_DefaultPrefetchAbort
+ sub r1, LR, #4
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #3
+ blx PeiCommonExceptionEntry
+
+_DefaultDataAbort
+ sub r1, LR, #8
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #4
+ blx PeiCommonExceptionEntry
+
+_DefaultReserved
+ mov r1, lr
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #5
+ blx PeiCommonExceptionEntry
+
+_DefaultIrq
+ sub r1, LR, #4
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #6
+ blx PeiCommonExceptionEntry
+
+_DefaultFiq
+ sub r1, LR, #4
+ cps #0x13 ; Switch to SVC for common stack
+ mov r0, #7
+ blx PeiCommonExceptionEntry
+
+ END