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;/*
; * C library -- _setjmp, _longjmp
; *
; * _longjmp(a,v)
; * will generate a "return(v?v:1)" from
; * the last call to
; * _setjmp(a)
; * by unwinding the call stack.
; * The previous signal state is NOT restored.
; *
; *
; * Copyright (c) 2003 Altera Corporation
; * All rights reserved.
; *
; * Redistribution and use in source and binary forms, with or without
; * modification, are permitted provided that the following conditions
; * are met:
; *
; * o Redistributions of source code must retain the above copyright
; * notice, this list of conditions and the following disclaimer.
; * o Redistributions in binary form must reproduce the above copyright
; * notice, this list of conditions and the following disclaimer in the
; * documentation and/or other materials provided with the distribution.
; * o Neither the name of Altera Corporation nor the names of its
; * contributors may be used to endorse or promote products derived from
; * this software without specific prior written permission.
; *
; * THIS SOFTWARE IS PROVIDED BY ALTERA CORPORATION, THE COPYRIGHT HOLDER,
; * AND ITS CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
; * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
; * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
; * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
; * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
; * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
; * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
; * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
; * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
; */
.section .text
.align 3
.globl setjmp
.type setjmp,@function
.globl longjmp
.type longjmp,@function
setjmp:
stw r16, 0(r4)
stw r17, 4(r4)
stw r18, 8(r4)
stw r19, 12(r4)
stw r20, 16(r4)
stw r21, 20(r4)
stw r22, 24(r4)
stw r23, 28(r4)
stw gp, 32(r4)
stw sp, 36(r4)
stw fp, 40(r4)
stw ra, 44(r4)
mov r2, zero
ret
longjmp:
ldw r16, 0(r4)
ldw r17, 4(r4)
ldw r18, 8(r4)
ldw r19, 12(r4)
ldw r20, 16(r4)
ldw r21, 20(r4)
ldw r22, 24(r4)
ldw r23, 28(r4)
ldw gp, 32(r4)
ldw sp, 36(r4)
ldw fp, 40(r4)
ldw ra, 44(r4)
mov r2, r5
bne r2, zero, 1f
movi r2, 1
1:
ret
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