54 lines
1.3 KiB
ArmAsm
54 lines
1.3 KiB
ArmAsm
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/*
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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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.file "setjmp.S"
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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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stp x19, x20, [x0], #16
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stp x21, x22, [x0], #16
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stp x23, x24, [x0], #16
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stp x25, x26, [x0], #16
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stp x27, x28, [x0], #16
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stp x29, x30, [x0], #16
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mov x1, sp
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str x1, [x0]
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mov x0, #0
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ret
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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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ldp x19, x20, [x0], #16
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ldp x21, x22, [x0], #16
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ldp x23, x24, [x0], #16
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ldp x25, x26, [x0], #16
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ldp x27, x28, [x0], #16
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ldp x29, x30, [x0], #16
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ldr x2, [x0]
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mov sp, x2
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cmp x1, #0
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csel x0, x1, x0, ne
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ret
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