call_int.s

来自「lwip 1.30 bluetooth ppp」· S 代码 · 共 20 行

;------------------------------------------------------------------------------
;- 入口函数:	void	user_irq(void)
;- 出口函数:	void	user_handle(void)
;------------------------------------------------------------------------------
;		.INCLUDE	"include.x"

	   IMPORT  UserIRQ0
            EXPORT  UserIRQ

;UserIRQ
            stmdb	sp!, {r0-r11, ip, lr}
	   ldr		r0, =UserIRQ0
	   mov		lr, pc
	   bx		r0						
            ldmia	sp!, {r0-r11, ip, lr}
	   subs	pc, r14, #4	

	   END