start.s

关于skyeye,它是一个极好的嵌入式模拟软件

/*
 *  start.S 
 *  very simple code for ARM 7TDMI 
 *
 *  author: SU Hang 
 *  date:   2004-08-28 
 */
 

	
.text
	.align 4
	.global begin
	.type begin, function

begin:
	@set up irq stack
	mov 	r0, #0xd2                @ make irq mode with all irqs disabled
	msr 	cpsr, r0
	ldr 	sp, =irq_stack           @ set sp_irq = irq_stack
	bl	hello
	b	begin
			
.data
	.align  4
irq_stack:
	.space	4096