console_put.s

使用广泛的日本著名的开源嵌入式实时操作系统T-Kernel的源码

/*
 *----------------------------------------------------------------------
 *    T-Kernel
 *
 *    Copyright (C) 2004-2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel is distributed under the T-License.
 *----------------------------------------------------------------------
 *
 *    Version:   1.02.02
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/9.
 *
 *----------------------------------------------------------------------
 */

#include <machine.h>
#include <tk/sysdef.h>
#include <sys/svc/fnconsio.h>

	.text
	.balign	4
	.globl	Csym(console_put)
	.type	Csym(console_put), %function
Csym(console_put):
	stmfd	sp!, {r0-r3}
	mov	r0, sp
	stmfd	sp!, {lr}
	ldr	ip, =CONSIO_CONSOLE_PUT_FN
	swi	SWI_SVC
	ldmfd	sp!, {lr}
	add	sp, sp, #4*4
	bx	lr