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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) 2017 Theobroma Systems Design und Consulting GmbH
*/
#include <config.h>
#include <asm/assembler.h>
#include <linux/linkage.h>
.pushsection .text.setjmp, "ax"
ENTRY(setjmp)
/*
* A subroutine must preserve the contents of the registers
* r4-r8, r10, r11 (v1-v5, v7 and v8) and SP (and r9 in PCS
* variants that designate r9 as v6).
*/
mov ip, sp
stm a1, {v1-v8, ip, lr}
mov a1, #0
ret lr
ENDPROC(setjmp)
.popsection
.pushsection .text.longjmp, "ax"
ENTRY(longjmp)
ldm a1, {v1-v8, ip, lr}
mov sp, ip
mov a1, a2
/* If we were passed a return value of zero, return one instead */
cmp a1, #0
bne 1f
mov a1, #1
1:
ret lr
ENDPROC(longjmp)
.popsection
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