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|
;/* mbed Microcontroller Library - InterruptIn
; * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
; */
#line 1 "vector_functions.s"
;
;
;
#line 1 "vector_defns.h"
#line 21 "vector_defns.h"
#line 47 "vector_defns.h"
#line 58 "vector_defns.h"
#line 6 "vector_functions.s"
AREA VECFUNCS, CODE, READONLY
ARM
PRESERVE8
EXPORT __mbed_fiq [WEAK]
EXPORT __mbed_undef [WEAK]
EXPORT __mbed_prefetch_abort [WEAK]
EXPORT __mbed_data_abort [WEAK]
EXPORT __mbed_irq [WEAK]
EXPORT __mbed_swi [WEAK]
EXPORT __mbed_dcc_irq [WEAK]
EXPORT __mbed_reset [WEAK]
IMPORT __mbed_init_realmonitor
;
;
__mbed_fiq
B __mbed_fiq
;
;
__mbed_undef
LDR PC, =0x7fffffa0
;
;
__mbed_prefetch_abort
LDR PC, =0x7fffffb0
;
;
__mbed_data_abort
LDR PC, =0x7fffffc0
;
;
;
;
;
;
;
;
;
__mbed_irq
;
MSR CPSR_c, #0x1F:OR:0x80:OR:0x40
;
STMDB sp!, {r0-r3,r12,lr}
;
MOV r0, #0xFFFFFF00
LDR r0, [r0]
;
MOV lr, pc
BX r0
;
MOV r0, #0xFFFFFF00
STR r0, [r0] ;
;
LDMFD sp!,{r0-r3,r12,lr}
;
MSR CPSR_c, #0x12:OR:0x80:OR:0x40
;
SUBS pc, lr, #4
;
;
;
;
__mbed_swi
;
;
STMFD sp!, {a4, r4, ip, lr}
;
LDR r4, =0x40000040
;
;
LDR a4, =0x00940000
LDR PC, =0x7ffff820
;
;
;
;
__mbed_dcc_irq
;
;
LDMFD sp!,{r0-r3,r12,lr}
;
MSR CPSR_c, #0x12:OR:0x80:OR:0x40
;
;
SUB lr, lr, #4 ;
STMFD sp!, {ip,lr} ;
;
LDR LR, =0xfffff000
STR LR, [LR, #0xf00]
;
;
;
;
LDR PC, =0x7fffffe0
;
; __mbed_reset is called after reset
; we setup the stacks and realmonitor, then call Reset_Handler like on M3
; Reset Handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
MOV LR, PC
BX R0
LDR R0, =__main
BX R0
ENDP
__mbed_reset
;
LDR R0, =(0x40000000 + 0x8000)
;
MSR CPSR_c, #0x1B:OR:0x80:OR:0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x17:OR:0x80:OR:0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x11:OR:0x80:OR:0x40
MOV SP, R0
SUB R0, R0, #0x00000000
;
MSR CPSR_c, #0x12:OR:0x80:OR:0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x13:OR:0x80:OR:0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x10
MOV SP, R0
;
LDR R0, =__mbed_init_realmonitor
MOV LR, PC
BX R0
;
LDR R0, =Reset_Handler
BX R0
END
|
