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loongarch: Add setjmp implementation

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This patch adds a setjmp implementation for LoongArch.

Signed-off-by: Zhou Yang <zhouyang@loongson.cn>
Signed-off-by: Sun Haiyong <sunhaiyong@loongson.cn>
Signed-off-by: Xiaotian Wu <wuxiaotian@loongson.cn>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
This commit is contained in:
Wentao Guan 2024-08-25 15:43:41 +08:00
parent 1b467695d9
commit fd9d0b6daa
3 changed files with 98 additions and 0 deletions
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69
GRUB2/MOD_SRC/grub-2.04/grub-core/lib/loongarch64/setjmp.S Normal file
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@ -0,0 +1,69 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2023 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
.file "setjmp.S"
GRUB_MOD_LICENSE "GPLv3+"
.text
/*
* int grub_setjmp (jmp_buf env)
*/
FUNCTION(grub_setjmp)
st.d $s0, $a0, 0x0
st.d $s1, $a0, 0x8
st.d $s2, $a0, 0x10
st.d $s3, $a0, 0x18
st.d $s4, $a0, 0x20
st.d $s5, $a0, 0x28
st.d $s6, $a0, 0x30
st.d $s7, $a0, 0x38
st.d $s8, $a0, 0x40
st.d $fp, $a0, 0x48
st.d $sp, $a0, 0x50
st.d $ra, $a0, 0x58
move $a0, $zero
jr $ra
/*
* void grub_longjmp (jmp_buf env, int val)
*/
FUNCTION(grub_longjmp)
ld.d $s0, $a0, 0x0
ld.d $s1, $a0, 0x8
ld.d $s2, $a0, 0x10
ld.d $s3, $a0, 0x18
ld.d $s4, $a0, 0x20
ld.d $s5, $a0, 0x28
ld.d $s6, $a0, 0x30
ld.d $s7, $a0, 0x38
ld.d $s8, $a0, 0x40
ld.d $fp, $a0, 0x48
ld.d $sp, $a0, 0x50
ld.d $ra, $a0, 0x58
/* Return 1 if passed 0, otherwise returns the value in place. */
li.w $a0, 1
beqz $a1, 1f
move $a0, $a1
1:
jr $ra

2
GRUB2/MOD_SRC/grub-2.04/grub-core/lib/setjmp.S
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@ -19,6 +19,8 @@
#include "./arm/setjmp.S"
#elif defined(__aarch64__)
#include "./arm64/setjmp.S"
#elif defined(__loongarch_lp64)
#include "./loongarch64/setjmp.S"
#elif defined(__riscv)
#include "./riscv/setjmp.S"
#else

27
GRUB2/MOD_SRC/grub-2.04/include/grub/loongarch64/setjmp.h Normal file
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@ -0,0 +1,27 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2023 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_SETJMP_CPU_HEADER
#define GRUB_SETJMP_CPU_HEADER 1
typedef grub_uint64_t grub_jmp_buf[12];
int grub_setjmp (grub_jmp_buf env) RETURNS_TWICE;
void grub_longjmp (grub_jmp_buf env, int val) __attribute__ ((noreturn));
#endif /* ! GRUB_SETJMP_CPU_HEADER */