unlockspace.s

日本著名的的嵌入式实时操作系统T-Kernel的源码及用户手册。

/*
 *----------------------------------------------------------------------
 *    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/sys/segment.h
 */

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

	.text
	.balign	2
	.globl	Csym(UnlockSpace)
	.type	Csym(UnlockSpace), @function
Csym(UnlockSpace):
	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	SEG_UNLOCKSPACE_FN