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|
# 1 "vector_functions.s"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "vector_functions.s"
;
;
;
# 1 "vector_defns.h" 1
# 6 "vector_functions.s" 2
.section VECFUNCS, "ax"
.arm
.weak __mbed_fiq
.weak __mbed_undef
.weak __mbed_prefetch_abort
.weak __mbed_data_abort
.weak __mbed_irq
.weak __mbed_swi
.weak __mbed_dcc_irq
.weak __mbed_reset
.global __mbed_init_realmonitor
.global __mbed_init
;
;
__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|0x80|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|0x80|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|0x80|0x40
;
;
SUB lr, lr, #4 ;
STMFD sp!, {ip,lr} ;
;
LDR LR, =0xfffff000
STR LR, [LR, #0xf00]
;
;
;
;
LDR PC, =0x7fffffe0
;
;
__mbed_reset:
;
LDR R0, =(0x40000000 + 0x8000)
;
MSR CPSR_c, #0x1B|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x17|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x11|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000000
;
MSR CPSR_c, #0x12|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x13|0x80|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, =__mbed_init
BX R0
|
