单片机型号:lpc2106.
Init.s:初始化pc指针和sp指针.
AREA Init, CODE, READONLY
IMPORT test1_main
EXPORT Reset_Handler
Reset_Handler
; Set up the stack pointer...
MOV SP, #0x40000000
ADD SP, SP, #0x4000
LDR PC, Main_Address
Main_Address DCD test1_main
END
vector.s:向量表
AREA Vectors, CODE, READONLY
ENTRY
LDR PC, Reset_Address ;复位时执行Reset_Handler函数
LDR PC, Undefined_Address
LDR PC, SWI_Address ;软件中断接管
LDR PC, Prefetch_Address
LDR PC, Abort_Address ;异常退出
DCD 0x0 ; Generated by the ISP tool (sum of other vectors instructions)
LDR PC, IRQ_Address ;IRQ中断
LDR PC, FIQ_Address ;FIQ中断
IMPORT Reset_Handler ;in init.s
IMPORT irq_handler
IMPORT fiq_handler
IMPORT swi_Handler
IMPORT Undef_handler
IMPORT fetch_handler
IMPORT Abort_handler
Reset_Address DCD Reset_Handler
Undefined_Address DCD Undef_handler
SWI_Address DCD swi_Handler
Prefetch_Address DCD fetch_handler
Abort_Address DCD Abort_handler
DCD 0x0
IRQ_Address DCD irq_handler
FIQ_Address DCD fiq_handler
END