[mirror_edk2.git] / ArmPlatformPkg / PrePi / Exception.S

//
//  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>

#start of the code section
.text
.align 5

# IMPORT
GCC_ASM_IMPORT(PrePiCommonExceptionEntry)

# EXPORT
GCC_ASM_EXPORT(PrePiVectorTable)

//============================================================
//Default Exception Handlers
//============================================================
  
ASM_PFX(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
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #0
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultUndefined:
  sub  r1, LR, #4
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #1
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultSWI:
  sub  r1, LR, #4
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #2
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultPrefetchAbort:
  sub  r1, LR, #4
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #3
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultDataAbort:
  sub  r1, LR, #8
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #4
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultReserved:
  mov  r1, lr
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #5
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultIrq:
  sub  r1, LR, #4
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #6
   blx   ASM_PFX(PrePiCommonExceptionEntry)

_DefaultFiq:
  sub  r1, LR, #4
  # Switch to SVC for common stack
  cps  #0x13
  mov  r0, #7
   blx   ASM_PFX(PrePiCommonExceptionEntry)
Commit	Line	Data
cd872e40	1	//
	2	// Copyright (c) 2011, ARM Limited. All rights reserved.
	3	//
	4	# This program and the accompanying materials
	5	# are licensed and made available under the terms and conditions of the BSD License
	6	# which accompanies this distribution. The full text of the license may be found at
	7	# http://opensource.org/licenses/bsd-license.php
	8	#
	9	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
	10	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
	11	#
	12	#
	13
	14	#include <AsmMacroIoLib.h>
	15	#include <Base.h>
	16	#include <AutoGen.h>
	17
	18	#start of the code section
	19	.text
	20	.align 5
	21
	22	# IMPORT
	23	GCC_ASM_IMPORT(PrePiCommonExceptionEntry)
	24
	25	# EXPORT
	26	GCC_ASM_EXPORT(PrePiVectorTable)
	27
	28	//============================================================
	29	//Default Exception Handlers
	30	//============================================================
	31
cd872e40	32	ASM_PFX(PrePiVectorTable):
	33	b _DefaultResetHandler
	34	b _DefaultUndefined
	35	b _DefaultSWI
	36	b _DefaultPrefetchAbort
	37	b _DefaultDataAbort
	38	b _DefaultReserved
	39	b _DefaultIrq
	40	b _DefaultFiq
	41
	42	//
	43	// Default Exception handlers: There is no plan to return from any of these exceptions.
	44	// No context saving at all.
	45	//
	46	_DefaultResetHandler:
	47	mov r1, lr
	48	# Switch to SVC for common stack
	49	cps #0x13
	50	mov r0, #0
	51	blx ASM_PFX(PrePiCommonExceptionEntry)
	52
	53	_DefaultUndefined:
	54	sub r1, LR, #4
	55	# Switch to SVC for common stack
	56	cps #0x13
	57	mov r0, #1
	58	blx ASM_PFX(PrePiCommonExceptionEntry)
	59
	60	_DefaultSWI:
	61	sub r1, LR, #4
	62	# Switch to SVC for common stack
	63	cps #0x13
	64	mov r0, #2
	65	blx ASM_PFX(PrePiCommonExceptionEntry)
	66
	67	_DefaultPrefetchAbort:
	68	sub r1, LR, #4
	69	# Switch to SVC for common stack
	70	cps #0x13
	71	mov r0, #3
	72	blx ASM_PFX(PrePiCommonExceptionEntry)
	73
	74	_DefaultDataAbort:
	75	sub r1, LR, #8
	76	# Switch to SVC for common stack
	77	cps #0x13
	78	mov r0, #4
	79	blx ASM_PFX(PrePiCommonExceptionEntry)
	80
	81	_DefaultReserved:
	82	mov r1, lr
	83	# Switch to SVC for common stack
	84	cps #0x13
	85	mov r0, #5
	86	blx ASM_PFX(PrePiCommonExceptionEntry)
	87
	88	_DefaultIrq:
	89	sub r1, LR, #4
	90	# Switch to SVC for common stack
	91	cps #0x13
	92	mov r0, #6
	93	blx ASM_PFX(PrePiCommonExceptionEntry)
	94
	95	_DefaultFiq:
96	sub r1, LR, #4
97	# Switch to SVC for common stack
98	cps #0x13
99	mov r0, #7
100	blx ASM_PFX(PrePiCommonExceptionEntry)
101