_getkernelcommonarea.s

来自「日本很有名的一个嵌入式RTOS」· S 代码 · 共 41 行

/*
 *----------------------------------------------------------------------
 *    T-Kernel
 *
 *    Copyright (C) 2004-2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel is distributed under the T-License.
 *----------------------------------------------------------------------
 *
 *    Version:   1.02.01
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/1/10.
 *
 *----------------------------------------------------------------------
 */

/*
 *	T-Kernel extended SVC interface library (m32104)
 *
 *	   created from /usr/local/te/include/tk/sysmgr.h
 */

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

	.text
	.balign	4
	.globl	Csym(_GetKernelCommonArea)
	.type	Csym(_GetKernelCommonArea), @function
Csym(_GetKernelCommonArea):
	st	r3, @-sp
	st	r2, @-sp
	st	r1, @-sp
	st	r0, @-sp
	seth	r4, #high(SYSTEM__GETKERNELCOMMONAREA_FN)
	or3	r4, r4, #low(SYSTEM__GETKERNELCOMMONAREA_FN)
	mv	r0, sp
	trap	#TRAP_SVC
	addi	sp, #4*4
	jmp	r14