/***************************************************************************
 *     Copyright (c) 2003-2006, Broadcom Corporation
 *     All Rights Reserved
 *     Confidential Property of Broadcom Corporation
 *
 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
 *
 * $brcm_Workfile:  $
 * $brcm_Revision:  $
 * $brcm_Date: $
 *
 * Module Description:
 *
 * Revision History:
 *
 * $brcm_Log:  $
 *
 ***************************************************************************/

#include "bcm_mips.h"

/* global leaf function (does not call other functions) */
#define LEAF(name)		\
  	.globl	name;		\
  	.ent	name;		\
name:

/* end of a global function */
#define END(name)		\
  	.size	name,.-name;	\
  	.end	name

/* 
 * JPF - 32bit implementation only!!!
 */

/*
 *	int setjmp(char *jmp_buf)
 *
 *	a0 	jmp_buf (44 bytes)
 */
LEAF(setjmp)

	sw	s0, 0(a0)
	sw	s1, 4(a0)
	sw	s2, 8(a0)
	sw	s3, 12(a0)
	sw	s4, 16(a0)
	sw	s5, 20(a0)
	sw	s6, 24(a0)
	sw	s7, 28(a0)
	sw	s8, 32(a0)

	sw	sp, 36(a0)
	sw	ra, 40(a0)
	 
	move	v0,zero
	
	j	ra
	nop
	
	END(setjmp)


/*
 *	int longjmp(char *jmp_buf,int val)
 *
 *	a0 	jmp_buf (44 bytes initialized by setjmp)
 *      a1      val return value after initiating longjmp
 */
LEAF(longjmp)

	lw	s0, 0(a0)
	lw	s1, 4(a0)
	lw	s2, 8(a0)
	lw	s3, 12(a0)
	lw	s4, 16(a0)
	lw	s5, 20(a0)
	lw	s6, 24(a0)
	lw	s7, 28(a0)
	lw	s8, 32(a0)

	lw	sp, 36(a0)
	lw	ra, 40(a0)
	  
	/* if val is 0 return a 1, otherwise return val */
	bne	a1, zero, 1f
	li	v0, 1
1:
	move    v0, a1
	
	j	ra
	nop
	
	END(longjmp)