| /*- |
| * 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) |
