diff options
Diffstat (limited to 'sys/contrib/openzfs/module/lua/setjmp/setjmp_rv64g.S')
| -rw-r--r-- | sys/contrib/openzfs/module/lua/setjmp/setjmp_rv64g.S | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/module/lua/setjmp/setjmp_rv64g.S b/sys/contrib/openzfs/module/lua/setjmp/setjmp_rv64g.S new file mode 100644 index 000000000000..7f6c50d25a4c --- /dev/null +++ b/sys/contrib/openzfs/module/lua/setjmp/setjmp_rv64g.S @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * Portions of this software were developed by SRI International and the + * University of Cambridge Computer Laboratory under DARPA/AFRL contract + * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. + * + * Portions of this software were developed by the University of Cambridge + * Computer Laboratory as part of the CTSRD Project, with support from the + * UK Higher Education Innovation Fund (HEIF). + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#define ENTRY(sym) \ + .text; .globl sym; .type sym,@function; sym: +#define END(sym) .size sym, . - sym + + +ENTRY(setjmp) + /* Store the stack pointer */ + sd sp, (0 * 8)(a0) + addi a0, a0, (1 * 8) + + /* Store the general purpose registers and ra */ + sd s0, (0 * 8)(a0) + sd s1, (1 * 8)(a0) + sd s2, (2 * 8)(a0) + sd s3, (3 * 8)(a0) + sd s4, (4 * 8)(a0) + sd s5, (5 * 8)(a0) + sd s6, (6 * 8)(a0) + sd s7, (7 * 8)(a0) + sd s8, (8 * 8)(a0) + sd s9, (9 * 8)(a0) + sd s10, (10 * 8)(a0) + sd s11, (11 * 8)(a0) + sd ra, (12 * 8)(a0) + addi a0, a0, (13 * 8) + + /* Return value */ + li a0, 0 + ret +END(setjmp) + +ENTRY(longjmp) + /* Restore the stack pointer */ + ld t0, 0(a0) + mv sp, t0 + addi a0, a0, (1 * 8) + + /* Restore the general purpose registers and ra */ + ld s0, (0 * 8)(a0) + ld s1, (1 * 8)(a0) + ld s2, (2 * 8)(a0) + ld s3, (3 * 8)(a0) + ld s4, (4 * 8)(a0) + ld s5, (5 * 8)(a0) + ld s6, (6 * 8)(a0) + ld s7, (7 * 8)(a0) + ld s8, (8 * 8)(a0) + ld s9, (9 * 8)(a0) + ld s10, (10 * 8)(a0) + ld s11, (11 * 8)(a0) + ld ra, (12 * 8)(a0) + addi a0, a0, (13 * 8) + + /* Load the return value */ + mv a0, a1 + ret +END(longjmp) |