1/* $NetBSD: linux_machdep.h,v 1.10 2008/11/12 12:36:10 ad Exp $ */
2
3/*-
4 * Copyright (c) 1995, 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden and Emmanuel Dreyfus.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _MIPS_LINUX_MACHDEP_H
33#define _MIPS_LINUX_MACHDEP_H
34
35#include <compat/linux/common/linux_types.h>
36#include <compat/linux/common/linux_signal.h>
37#include <compat/linux/common/linux_siginfo.h>
38
39/*
40 * From Linux's include/asm-mips64/sigcontext.h
41 */
42#ifndef __mips_o32
43struct linux_sigcontext {		/* N32 too */
44	uint64_t lsc_regs[32];
45	uint64_t lsc_fpregs[32];
46	uint64_t lsc_mdhi;
47	uint64_t lsc_hi1;
48	uint64_t lsc_hi2;
49	uint64_t lsc_hi3;
50	uint64_t lsc_mdlo;
51	uint64_t lsc_lo1;
52	uint64_t lsc_lo2;
53	uint64_t lsc_lo3;
54	uint64_t lsc_pc;
55	uint32_t lsc_fpc_csr;
56	uint32_t lsc_ownedfp;
57	uint32_t lsc_dsp;
58	uint32_t lsc_reserved;
59};
60#endif
61
62/*
63 * From Linux's include/asm-mips/sigcontext.h
64 */
65struct
66#ifdef __mips_o32
67	linux_sigcontext
68#else
69	linux_sigcontext32
70#endif
71{
72	uint32_t lsc_regmask;		/* Unused */
73	uint32_t lsc_status;
74	uint64_t lsc_pc;
75	uint64_t lsc_regs[32];
76	uint64_t lsc_fpregs[32];	/* Unused */
77	uint32_t lsc_acx;		/* Was owned_fp */
78	uint32_t lsc_fpc_csr;		/* Unused */
79	uint32_t lsc_fpc_eir;		/* Unused */
80	uint32_t lsc_used_math;		/* Unused */
81	uint32_t lsc_dsp;		/* dsp status; was ssflags */
82	uint64_t lsc_mdhi;
83	uint64_t lsc_mdlo;
84	uint32_t lsc_hi1;  		/* Unused; was cause */
85	uint32_t lsc_lo1;	  	/* Unused; was badvddr */
86	uint32_t lsc_sigset[4]; 	/* kernel's sigset_t */
87};
88
89/*
90 * From Linux's include/asm-mips/elf.h
91 */
92#define LINUX_ELF_NGREG 45
93#define LINUX_ELF_NFPREG 33
94typedef unsigned long linux_elf_greg_t;
95typedef linux_elf_greg_t linux_elf_gregset_t[LINUX_ELF_NGREG];
96
97#ifndef __mips_o32
98typedef struct linux_sigaltstack32 {
99	int32_t ss_sp;
100	uint32_t ss_size;
101	int ss_flags;
102} linux_stack32_t;
103#endif /* !mips_o32 */
104
105/*
106 * From Linux's arch/mips/kernel/signal.c
107 */
108struct linux_sigframe {
109	uint32_t lsf_ass[4];
110	uint32_t lsf_code[2];
111	struct linux_sigcontext lsf_sc;
112	linux_sigset_t lsf_mask;
113};
114
115#ifndef __mips_o32
116struct linux_sigframe32 {
117	uint32_t lsf_ass[4];
118	uint32_t lsf_code[2];
119	struct linux_sigcontext32 lsf_sc;
120	linux_sigset_t lsf_mask;
121};
122#endif /* !mips_o32 */
123
124/*
125 * From Linux's include/asm-mips/ucontext.h
126 */
127struct linux_ucontext {
128	unsigned long luc_flags;
129	struct linux_ucontext *luc_link;
130	linux_stack_t luc_stack;
131	struct linux_sigcontext luc_mcontext;
132	linux_sigset_t luc_sigmask;
133};
134
135#ifndef __mips_o32
136struct linux_ucontext32 {
137	uint32_t luc_flags;
138	int32_t luc_link;
139	linux_stack32_t luc_stack;
140	struct linux_sigcontext32 luc_mcontext;
141	linux_sigset_t luc_sigmask;
142};
143
144struct linux_ucontextn32 {
145	uint32_t luc_flags;
146	int32_t luc_link;
147	linux_stack32_t luc_stack;
148	struct linux_sigcontext luc_mcontext;
149	linux_sigset_t luc_sigmask;
150};
151
152#endif /* !__mips_o32 */
153
154/*
155 * From Linux's arch/mips/kernel/signal.c
156 */
157struct linux_rt_sigframe {
158	uint32_t lrs_ass[4];
159	uint32_t lrs_code[2];
160	struct linux_siginfo lrs_info;
161	struct linux_ucontext lrs_uc;
162};
163
164#ifndef __mips_o32
165/*
166 * From Linux's arch/mips/kernel/signal.c
167 */
168struct linux_rt_sigframe32 {
169	uint32_t lrs_ass[4];
170	uint32_t lrs_code[2];
171	struct linux_siginfo lrs_info;
172	struct linux_ucontext32 lrs_uc;
173};
174#endif /* !__mips_o32 */
175
176/*
177 * From Linux's include/asm-mips/sysmips.h
178 */
179#define LINUX_SETNAME		1	/* set hostname                  */
180#define LINUX_FLUSH_CACHE	3	/* writeback and invalidate caches */
181#define LINUX_MIPS_FIXADE	7	/* control address error fixing  */
182#define LINUX_MIPS_RDNVRAM	10	/* read NVRAM */
183#define LINUX_MIPS_ATOMIC_SET	2001	/* atomically set variable       */
184
185/*
186 * From Linux's include/linux/utsname.h
187 */
188#define LINUX___NEW_UTS_LEN	64
189
190/*
191 * Major device numbers of VT device on both Linux and NetBSD. Used in
192 * ugly patch to fake device numbers.
193 *
194 * LINUX_CONS_MAJOR is from Linux's include/linux/major.h
195 */
196#define LINUX_CONS_MAJOR 4
197#define NETBSD_WSCONS_MAJOR 47 /* XXX */
198
199/*
200 * Linux ioctl calls for the keyboard.
201 *
202 * From Linux's include/linux/kd.h
203 */
204#define LINUX_KDGKBMODE	0x4b44
205#define LINUX_KDSKBMODE	0x4b45
206#define LINUX_KDMKTONE	0x4b30
207#define LINUX_KDSETMODE	0x4b3a
208#define LINUX_KDENABIO	0x4b36
209#define LINUX_KDDISABIO	0x4b37
210#define LINUX_KDGETLED	0x4b31
211#define LINUX_KDSETLED	0x4b32
212#define LINUX_KDGKBTYPE	0x4B33
213#define LINUX_KDGKBENT	0x4B46
214
215/*
216 * Mode for KDSKBMODE which we don't have (we just use plain mode for this)
217 *
218 * From Linux's include/linux/kd.h
219 */
220#define LINUX_K_MEDIUMRAW 2
221
222/*
223 * VT ioctl calls in Linux (the ones that the pcvt emulation in
224 * wscons can handle)
225 *
226 * From Linux's include/linux/vt.h
227 */
228#define LINUX_VT_OPENQRY	0x5600
229#define LINUX_VT_GETMODE	0x5601
230#define LINUX_VT_SETMODE	0x5602
231#define LINUX_VT_GETSTATE	0x5603
232#define LINUX_VT_RELDISP	0x5605
233#define LINUX_VT_ACTIVATE	0x5606
234#define LINUX_VT_WAITACTIVE 	0x5607
235#define LINUX_VT_DISALLOCATE	0x5608
236
237/*
238 * This range used by VMWare (XXX)
239 *
240 * From Linux's include/linux/vt.h
241 * XXX not needed for mips
242 */
243#define LINUX_VMWARE_NONE 200
244#define LINUX_VMWARE_LAST 237
245
246/*
247 * Range of ioctls to just pass on, so that modules (like VMWare) can
248 * handle them.
249 *
250 * From Linux's include/linux/vt.h
251 */
252#define LINUX_IOCTL_MIN_PASS LINUX_VMWARE_NONE
253#define LINUX_IOCTL_MAX_PASS (LINUX_VMWARE_LAST+8)
254
255#ifdef _KERNEL
256__BEGIN_DECLS /* XXX from NetBSD/i386. Not arch dependent? */
257void linux_syscall_intern(struct proc *);
258__END_DECLS
259#endif /* !_KERNEL */
260
261#endif /* _MIPS_LINUX_MACHDEP_H */
262