[mirror_edk2.git] / ArmPlatformPkg / Sec / Exception.asm

//\r
//  Copyright (c) 2011, ARM Limited. All rights reserved.\r
//  \r
//  This program and the accompanying materials                          \r
//  are licensed and made available under the terms and conditions of the BSD License         \r
//  which accompanies this distribution.  The full text of the license may be found at        \r
//  http://opensource.org/licenses/bsd-license.php                                            \r
//\r
//  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
//  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
//\r
//\r
\r
#include <AsmMacroIoLib.h>\r
#include <Base.h>\r
#include <AutoGen.h>\r
\r
  IMPORT  SecCommonExceptionEntry\r
  EXPORT  SecVectorTable\r
  \r
  PRESERVE8\r
  AREA    SecException, CODE, READONLY, CODEALIGN, ALIGN=5\r
\r
//============================================================
//Default Exception Handlers
//============================================================
  
//FIXME: One of the EDK2 tool is broken. It does not look to respect the alignment. Even, if we specify 32-byte alignment for this file.
Dummy1        DCD      0\r
Dummy2        DCD      0\r
  
SecVectorTable
  b _DefaultResetHandler
  b _DefaultUndefined
  b _DefaultSWI
  b _DefaultPrefetchAbort
  b _DefaultDataAbort
  b _DefaultReserved
  b _DefaultIrq
  b _DefaultFiq
\r
//
// Default Exception handlers: There is no plan to return from any of these exceptions.\r
// No context saving at all.\r
//
_DefaultResetHandler
   mov  r1, lr\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #0
   blx   SecCommonExceptionEntry

_DefaultUndefined
   sub  r1, LR\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #1
   blx   SecCommonExceptionEntry

_DefaultSWI
   sub  r1, LR, #4\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #2
   blx   SecCommonExceptionEntry

_DefaultPrefetchAbort
   sub  r1, LR, #4\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #3
   blx   SecCommonExceptionEntry

_DefaultDataAbort
   sub  r1, LR, #8\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #4
   blx   SecCommonExceptionEntry

_DefaultReserved
   mov  r1, lr\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #5
   blx   SecCommonExceptionEntry
   
_DefaultIrq
   sub  r1, LR, #4\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #6
   blx   SecCommonExceptionEntry

_DefaultFiq
   sub  r1, LR, #4\r
   cps       #0x13                     ; Switch to SVC for common stack
   mov  r0, #7
   blx   SecCommonExceptionEntry
\r
  END\r
Commit	Line	Data
1d5d0ae9	1	//\r
	2	// Copyright (c) 2011, ARM Limited. All rights reserved.\r
	3	// \r
	4	// This program and the accompanying materials \r
	5	// are licensed and made available under the terms and conditions of the BSD License \r
	6	// which accompanies this distribution. The full text of the license may be found at \r
	7	// http://opensource.org/licenses/bsd-license.php \r
	8	//\r
	9	// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	10	// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	11	//\r
	12	//\r
	13	\r
	14	#include <AsmMacroIoLib.h>\r
	15	#include <Base.h>\r
	16	#include <AutoGen.h>\r
	17	\r
	18	IMPORT SecCommonExceptionEntry\r
	19	EXPORT SecVectorTable\r
	20	\r
	21	PRESERVE8\r
	22	AREA SecException, CODE, READONLY, CODEALIGN, ALIGN=5\r
	23	\r
	24	//============================================================
	25	//Default Exception Handlers
	26	//============================================================
	27
	28	//FIXME: One of the EDK2 tool is broken. It does not look to respect the alignment. Even, if we specify 32-byte alignment for this file.
	29	Dummy1 DCD 0\r
	30	Dummy2 DCD 0\r
	31
	32	SecVectorTable
	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	\r
	42	//
	43	// Default Exception handlers: There is no plan to return from any of these exceptions.\r
	44	// No context saving at all.\r
	45	//
	46	_DefaultResetHandler
	47	mov r1, lr\r
	48	cps #0x13 ; Switch to SVC for common stack
	49	mov r0, #0
	50	blx SecCommonExceptionEntry
	51
	52	_DefaultUndefined
	53	sub r1, LR\r
	54	cps #0x13 ; Switch to SVC for common stack
	55	mov r0, #1
	56	blx SecCommonExceptionEntry
	57
	58	_DefaultSWI
	59	sub r1, LR, #4\r
	60	cps #0x13 ; Switch to SVC for common stack
	61	mov r0, #2
	62	blx SecCommonExceptionEntry
	63
	64	_DefaultPrefetchAbort
65	sub r1, LR, #4\r
66	cps #0x13 ; Switch to SVC for common stack
67	mov r0, #3
68	blx SecCommonExceptionEntry
69
70	_DefaultDataAbort
71	sub r1, LR, #8\r
72	cps #0x13 ; Switch to SVC for common stack
73	mov r0, #4
74	blx SecCommonExceptionEntry
75
76	_DefaultReserved
77	mov r1, lr\r
78	cps #0x13 ; Switch to SVC for common stack
79	mov r0, #5
80	blx SecCommonExceptionEntry
81
82	_DefaultIrq
83	sub r1, LR, #4\r
84	cps #0x13 ; Switch to SVC for common stack
85	mov r0, #6
86	blx SecCommonExceptionEntry
87
88	_DefaultFiq
89	sub r1, LR, #4\r
90	cps #0x13 ; Switch to SVC for common stack
91	mov r0, #7
92	blx SecCommonExceptionEntry
93	\r
94	END\r