1/*-
2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * Portions of this software were developed by SRI International and the
6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD$
35 */
36
37#ifndef _MACHINE_FRAME_H_
38#define	_MACHINE_FRAME_H_
39
40#ifndef LOCORE
41
42#include <sys/signal.h>
43#include <sys/ucontext.h>
44
45/*
46 * NOTE: keep this structure in sync with struct reg and struct mcontext.
47 */
48struct trapframe {
49	uint64_t tf_ra;
50	uint64_t tf_sp;
51	uint64_t tf_gp;
52	uint64_t tf_tp;
53	uint64_t tf_t[7];
54	uint64_t tf_s[12];
55	uint64_t tf_a[8];
56	uint64_t tf_sepc;
57	uint64_t tf_sstatus;
58	uint64_t tf_sbadaddr;
59	uint64_t tf_scause;
60};
61
62struct riscv_frame {
63	struct riscv_frame	*f_frame;
64	u_long			f_retaddr;
65};
66
67/*
68 * Signal frame. Pushed onto user stack before calling sigcode.
69 */
70struct sigframe {
71	siginfo_t	sf_si;	/* actual saved siginfo */
72	ucontext_t	sf_uc;	/* actual saved ucontext */
73};
74
75#endif /* !LOCORE */
76
77#endif /* !_MACHINE_FRAME_H_ */
78