longjmp.s

linux下用PCMCIA无线网卡虚拟无线AP的程序源码

/* longjmp for PowerPC.
   Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/* So we can use r3, r4, instead of 3, 4 */
#include "ppc_asm.h"

#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>

.global	longjmp;
.align	4;

longjmp:
	lwz r1,(JB_GPR1*4)(r3)
	lwz r2,(JB_GPR2*4)(r3)
	lwz r0,(JB_LR*4)(r3)
	lwz r14,((JB_GPRS+0)*4)(r3)
	lfd fr14,((JB_FPRS+0*2)*4)(r3)
	lwz r15,((JB_GPRS+1)*4)(r3)
	lfd fr15,((JB_FPRS+1*2)*4)(r3)
	lwz r16,((JB_GPRS+2)*4)(r3)
	lfd fr16,((JB_FPRS+2*2)*4)(r3)
	lwz r17,((JB_GPRS+3)*4)(r3)
	lfd fr17,((JB_FPRS+3*2)*4)(r3)
	lwz r18,((JB_GPRS+4)*4)(r3)
	lfd fr18,((JB_FPRS+4*2)*4)(r3)
	lwz r19,((JB_GPRS+5)*4)(r3)
	lfd fr19,((JB_FPRS+5*2)*4)(r3)
	lwz r20,((JB_GPRS+6)*4)(r3)
	lfd fr20,((JB_FPRS+6*2)*4)(r3)
	mtlr r0
	lwz r21,((JB_GPRS+7)*4)(r3)
	lfd fr21,((JB_FPRS+7*2)*4)(r3)
	lwz r22,((JB_GPRS+8)*4)(r3)
	lfd fr22,((JB_FPRS+8*2)*4)(r3)
	lwz r0,(JB_CR*4)(r3)
	lwz r23,((JB_GPRS+9)*4)(r3)
	lfd fr23,((JB_FPRS+9*2)*4)(r3)
	lwz r24,((JB_GPRS+10)*4)(r3)
	lfd fr24,((JB_FPRS+10*2)*4)(r3)
	lwz r25,((JB_GPRS+11)*4)(r3)
	lfd fr25,((JB_FPRS+11*2)*4)(r3)
	mtcrf 0xFF,r0
	lwz r26,((JB_GPRS+12)*4)(r3)
	lfd fr26,((JB_FPRS+12*2)*4)(r3)
	lwz r27,((JB_GPRS+13)*4)(r3)
	lfd fr27,((JB_FPRS+13*2)*4)(r3)
	lwz r28,((JB_GPRS+14)*4)(r3)
	lfd fr28,((JB_FPRS+14*2)*4)(r3)
	lwz r29,((JB_GPRS+15)*4)(r3)
	lfd fr29,((JB_FPRS+15*2)*4)(r3)
	lwz r30,((JB_GPRS+16)*4)(r3)
	lfd fr30,((JB_FPRS+16*2)*4)(r3)
	lwz r31,((JB_GPRS+17)*4)(r3)
	lfd fr31,((JB_FPRS+17*2)*4)(r3)
	mr r3,r4
	blr
.size longjmp,.-longjmp;