mirror of https://github.com/acidanthera/audk.git
92 lines
2.6 KiB
NASM
92 lines
2.6 KiB
NASM
//
|
|
// 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 PrePiCommonExceptionEntry
|
|
EXPORT PrePiVectorTable
|
|
|
|
PRESERVE8
|
|
AREA PrePeiCoreException, CODE, READONLY, CODEALIGN, ALIGN=5
|
|
|
|
//============================================================
|
|
//Default Exception Handlers
|
|
//============================================================
|
|
//TODO: there should be better way to handle the exceptions during the early stage. At the moment they are spinning in infinite loop
|
|
|
|
PrePiVectorTable
|
|
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 PrePiCommonExceptionEntry
|
|
|
|
_DefaultUndefined
|
|
sub r1, LR, #4
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #1
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
_DefaultSWI
|
|
sub r1, LR, #4
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #2
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
_DefaultPrefetchAbort
|
|
sub r1, LR, #4
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #3
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
_DefaultDataAbort
|
|
sub r1, LR, #8
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #4
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
_DefaultReserved
|
|
mov r1, lr
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #5
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
_DefaultIrq
|
|
sub r1, LR, #4
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #6
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
_DefaultFiq
|
|
sub r1, LR, #4
|
|
cps #0x13 ; Switch to SVC for common stack
|
|
mov r0, #7
|
|
blx PrePiCommonExceptionEntry
|
|
|
|
END
|