audk/ArmPlatformPkg/PrePeiCore/AArch64/Exception.S

82 lines
2.0 KiB
ArmAsm

#
# Copyright (c) 2011-2014, 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 <AsmMacroIoLibV8.h>
#include <Base.h>
#include <AutoGen.h>
.text
.align 11
GCC_ASM_EXPORT(PeiVectorTable)
//============================================================
//Default Exception Handlers
//============================================================
ASM_PFX(PeiVectorTable):
#define TO_HANDLER \
EL1_OR_EL2(x1) \
1: mrs x1, elr_el1 /* EL1 Exception Link Register */ ;\
b 3f ;\
2: mrs x1, elr_el2 /* EL2 Exception Link Register */ ;\
3: bl ASM_PFX(PeiCommonExceptionEntry) ;
//
// Default Exception handlers: There is no plan to return from any of these exceptions.
// No context saving at all.
//
.align 7
_DefaultSyncExceptHandler_t:
mov x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS
TO_HANDLER
.align 7
_DefaultIrq_t:
mov x0, #EXCEPT_AARCH64_IRQ
TO_HANDLER
.align 7
_DefaultFiq_t:
mov x0, #EXCEPT_AARCH64_FIQ
TO_HANDLER
.align 7
_DefaultSError_t:
mov x0, #EXCEPT_AARCH64_SERROR
TO_HANDLER
.align 7
_DefaultSyncExceptHandler_h:
mov x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS
TO_HANDLER
.align 7
_DefaultIrq_h:
mov x0, #EXCEPT_AARCH64_IRQ
TO_HANDLER
.align 7
_DefaultFiq_h:
mov x0, #EXCEPT_AARCH64_FIQ
TO_HANDLER
.align 7
_DefaultSError_h:
mov x0, #EXCEPT_AARCH64_SERROR
TO_HANDLER