99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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* Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
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* Copyright © 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* 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 (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <setjmp.h>
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#include <stdlib.h>
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void
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longjmp (jmp_buf env, int val)
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{
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val = val == 0 ? 1 : val;
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asm(
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"ld s0, a0,0\n\t"
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"ld s1, a0,8\n\t"
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"ld s2, a0,16\n\t"
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"ld s3, a0,24\n\t"
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"ld s4, a0,32\n\t"
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"ld s5, a0,40\n\t"
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"ld s6, a0,48\n\t"
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"ld s7, a0,56\n\t"
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"ld s8, a0,64\n\t"
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"ld s9, a0,72\n\t"
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"ld s10,a0,80\n\t"
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"ld s11,a0,88\n\t"
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"ld sp, a0,96\n\t"
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"ld ra, a0,104\n\t"
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#if HAVE_FLOAT && ! __riscv_float_abi_soft
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"fld fs0, a0,112\n\t"
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"fld fs1, a0,120\n\t"
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"fld fs2, a0,128\n\t"
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"fld fs3, a0,136\n\t"
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"fld fs4, a0,144\n\t"
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"fld fs5, a0,152\n\t"
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"fld fs6, a0,160\n\t"
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"fld fs7, a0,168\n\t"
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"fld fs8, a0,176\n\t"
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"fld fs9, a0,184\n\t"
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"fld fs10,a0,192\n\t"
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"fld fs11,a0,200\n\t"
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#endif
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);
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}
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int
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setjmp (jmp_buf env)
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{
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asm(
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"sd a0, s0,0\n\t"
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"sd a0, s1,8\n\t"
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"sd a0, s2,16\n\t"
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"sd a0, s3,24\n\t"
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"sd a0, s4,32\n\t"
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"sd a0, s5,40\n\t"
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"sd a0, s6,48\n\t"
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"sd a0, s7,56\n\t"
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"sd a0, s8,64\n\t"
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"sd a0, s9,72\n\t"
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"sd a0, s10,80\n\t"
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"sd a0, s11,88\n\t"
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"sd a0, sp,96\n\t"
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"sd a0, ra,104\n\t"
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#if HAVE_FLOAT && ! __riscv_float_abi_soft
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"fsd a0, fs0,112\n\t"
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"fsd a0, fs1,120\n\t"
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"fsd a0, fs2,128\n\t"
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"fsd a0, fs3,136\n\t"
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"fsd a0, fs4,144\n\t"
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"fsd a0, fs5,152\n\t"
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"fsd a0, fs6,160\n\t"
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"fsd a0, fs7,168\n\t"
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"fsd a0, fs8,176\n\t"
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"fsd a0, fs9,184\n\t"
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"fsd a0, fs10,192\n\t"
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"fsd a0, fs11,200\n\t"
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#endif
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);
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return 0;
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}
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