usbs.s

来自「6410BSP3」· S 代码 · 共 34 行

; Module Name: usb.s

		OPT	2	; disable listing

		INCLUDE		kxarm.h

		OPT	1	; reenable listing
		OPT	128	; disable listing of macro expansions

		TEXTAREA

		IMPORT  C_IsrHandler


	LEAF_ENTRY ASM_IsrHandler

;		sub	sp,sp,#4		; decrement sp(to store jump address)

		sub lr, lr, #4
		stmfd   sp!, {r0-r12,lr}

		mov	r0, lr

		bl	C_IsrHandler

		ldmfd   sp!, {r0-r12,lr}

		movs pc, lr

		ENTRY_END    ; |IsrHandler|

		END