1292407Sbr/*-
2292407Sbr * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
3292407Sbr * All rights reserved.
4292407Sbr *
5292407Sbr * Portions of this software were developed by SRI International and the
6292407Sbr * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7292407Sbr * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
8292407Sbr *
9292407Sbr * Portions of this software were developed by the University of Cambridge
10292407Sbr * Computer Laboratory as part of the CTSRD Project, with support from the
11292407Sbr * UK Higher Education Innovation Fund (HEIF).
12292407Sbr *
13292407Sbr * Redistribution and use in source and binary forms, with or without
14292407Sbr * modification, are permitted provided that the following conditions
15292407Sbr * are met:
16292407Sbr * 1. Redistributions of source code must retain the above copyright
17292407Sbr *    notice, this list of conditions and the following disclaimer.
18292407Sbr * 2. Redistributions in binary form must reproduce the above copyright
19292407Sbr *    notice, this list of conditions and the following disclaimer in the
20292407Sbr *    documentation and/or other materials provided with the distribution.
21292407Sbr *
22292407Sbr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23292407Sbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24292407Sbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25292407Sbr * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26292407Sbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27292407Sbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28292407Sbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29292407Sbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30292407Sbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31292407Sbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32292407Sbr * SUCH DAMAGE.
33292407Sbr *
34292407Sbr * $FreeBSD$
35292407Sbr */
36292407Sbr
37292407Sbr#ifndef	_MACHINE_REG_H_
38292407Sbr#define	_MACHINE_REG_H_
39292407Sbr
40292407Sbrstruct reg {
41292407Sbr	uint64_t ra;		/* return address */
42292407Sbr	uint64_t sp;		/* stack pointer */
43292407Sbr	uint64_t gp;		/* global pointer */
44292407Sbr	uint64_t tp;		/* thread pointer */
45292407Sbr	uint64_t t[7];		/* temporaries */
46292407Sbr	uint64_t s[12];		/* saved registers */
47292407Sbr	uint64_t a[8];		/* function arguments */
48292407Sbr	uint64_t sepc;		/* exception program counter */
49292407Sbr	uint64_t sstatus;	/* status register */
50292407Sbr};
51292407Sbr
52292407Sbrstruct fpreg {
53292407Sbr	int dummy;
54292407Sbr};
55292407Sbr
56292407Sbrstruct dbreg {
57292407Sbr	int dummy;
58292407Sbr};
59292407Sbr
60292407Sbr#ifdef _KERNEL
61292407Sbr/*
62292407Sbr * XXX these interfaces are MI, so they should be declared in a MI place.
63292407Sbr */
64292407Sbrint	fill_regs(struct thread *, struct reg *);
65292407Sbrint	set_regs(struct thread *, struct reg *);
66292407Sbrint	fill_fpregs(struct thread *, struct fpreg *);
67292407Sbrint	set_fpregs(struct thread *, struct fpreg *);
68292407Sbrint	fill_dbregs(struct thread *, struct dbreg *);
69292407Sbrint	set_dbregs(struct thread *, struct dbreg *);
70292407Sbr#endif
71292407Sbr
72292407Sbr#endif /* !_MACHINE_REG_H_ */
73