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targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_ARM_MICRO/vector_functions.S
- Committer:
- mbed_official
- Date:
- 2015-07-01
- Revision:
- 577:15494b56c2f3
- Parent:
- targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_ARM_MICRO/vector_functions.s@ 13:0645d8841f51
File content as of revision 577:15494b56c2f3:
;/* 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