audk/ArmPlatformPkg/PrePeiCore/Arm/Exception.asm

84 lines
2.0 KiB
NASM

//
// Copyright (c) 2011, ARM Limited. All rights reserved.
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
//
//
#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