56 lines
1.3 KiB
ArmAsm
56 lines
1.3 KiB
ArmAsm
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/symbol.h>
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#include <grub/dl.h>
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.file "setjmp.S"
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.syntax unified
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#if !defined (__thumb2__)
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.arm
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#define ARM(x...) x
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#define THUMB(x...)
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#else
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.thumb
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#define THUMB(x...) x
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#define ARM(x...)
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#endif
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.text
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/*
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* int grub_setjmp (grub_jmp_buf env)
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*/
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FUNCTION(grub_setjmp)
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THUMB( mov ip, sp )
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THUMB( stm r0, { r4-r11, ip, lr } )
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ARM( stm r0, { r4-r11, sp, lr } )
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mov r0, #0
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bx lr
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/*
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* int grub_longjmp (grub_jmp_buf env, int val)
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*/
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FUNCTION(grub_longjmp)
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THUMB( ldm r0, { r4-r11, ip, lr } )
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THUMB( mov sp, ip )
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ARM( ldm r0, { r4-r11, sp, lr } )
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movs r0, r1
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moveq r0, #1
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bx lr
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