tk_def_dev.s

来自「嵌入式操作系统T-Kernel 完整代码」· S 代码 · 共 43 行

/*
 *----------------------------------------------------------------------
 *    T-Kernel
 *
 *    Copyright (C) 2004 by Ken Sakamura. All rights reserved.
 *    T-Kernel is distributed under the T-License.
 *----------------------------------------------------------------------
 *
 *    Version:   1.01.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2004/6/28.
 *
 *----------------------------------------------------------------------
 */

/*
 *	T-Kernel extended SVC interface library (sh7751r)
 *
 *	   created from /usr/local/te/include/tk/devmgr.h
 */

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

	.text
	.balign	2
	.globl	Csym(tk_def_dev)
	.type	Csym(tk_def_dev), @function
Csym(tk_def_dev):
	mov.l	r7, @-r15
	mov.l	r6, @-r15
	mov.l	r5, @-r15
	mov.l	r4, @-r15
	mov.l	fno, r0
	mov	r15, r4
	trapa	#TRAP_SVC
	rts
	add	#4*4, r15

	.balign	4
fno:	.long	DEVICE_TK_DEF_DEV_FN