1/* $NetBSD: linux_machdep.h,v 1.14 2014/02/07 22:40:22 dsl Exp $ */
2
3/*-
4 * Copyright (c) 2005 Emmanuel Dreyfus, all rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Emmanuel Dreyfus
17 * 4. The name of the author may not be used to endorse or promote
18 * products derived from this software without specific prior written
19 * permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _AMD64_LINUX_MACHDEP_H
35#define _AMD64_LINUX_MACHDEP_H
36
37#define LINUX_STATFS_64BIT /* Needed for full 64bit struct statfs */
38
39#include <compat/linux/common/linux_types.h>
40#include <compat/linux/common/linux_signal.h>
41#include <compat/linux/common/linux_siginfo.h>
42
43/* From <asm/sigcontext.h> */
44/* Matches the cpu's fxsave format */
45struct linux__fpstate {
46 u_int16_t cwd;
47 u_int16_t swd;
48 u_int16_t twd;
49 u_int16_t fop;
50 u_int64_t rip;
51 u_int64_t rdp;
52 u_int32_t mxcsr;
53 u_int32_t mxcsr_mask;
54 u_int32_t st_space[32];
55 u_int32_t xmm_space[64];
56 u_int32_t reserved2[24];
57};
58__CTASSERT(sizeof (struct linux__fpstate) == 512);
59
60/* From <asm/sigcontext.h> */
61struct linux_sigcontext {
62 u_int64_t r8;
63 u_int64_t r9;
64 u_int64_t r10;
65 u_int64_t r11;
66 u_int64_t r12;
67 u_int64_t r13;
68 u_int64_t r14;
69 u_int64_t r15;
70 u_int64_t rdi;
71 u_int64_t rsi;
72 u_int64_t rbp;
73 u_int64_t rbx;
74 u_int64_t rdx;
75 u_int64_t rax;
76 u_int64_t rcx;
77 u_int64_t rsp;
78 u_int64_t rip;
79 u_int64_t eflags;
80 u_int16_t cs;
81 u_int16_t gs;
82 u_int16_t fs;
83 u_int16_t pad0;
84 u_int64_t err;
85 u_int64_t trapno;
86 u_int64_t oldmask;
87 u_int64_t cr2;
88 struct linux__fpstate *fpstate;
89 u_int64_t reserved1[8];
90};
91
92/* From <asm/ucontext.h> */
93struct linux_ucontext {
94 u_int64_t luc_flags;
95 struct linux_ucontext *luc_link;
96 linux_stack_t luc_stack;
97 struct linux_sigcontext luc_mcontext;
98 linux_sigset_t luc_sigmask;
99};
100
101/* From linux/arch/x86_64/kernel/signal.c */
102struct linux_rt_sigframe {
103 char *pretcode;
104 struct linux_ucontext uc;
105 struct linux_siginfo info;
106};
107
108#ifdef _KERNEL
109__BEGIN_DECLS
110void linux_syscall_intern(struct proc *);
111__END_DECLS
112#endif /* !_KERNEL */
113
114#define LINUX_VSYSCALL_START 0xffffffffff600000
115#define LINUX_VSYSCALL_SIZE 1024
116#define LINUX_VSYSCALL_MAXNR 3
117
118#define LINUX_UNAME_ARCH MACHINE_ARCH
119#define LINUX_LARGEFILE64
120#define LINUX_IPC_FORCE64
121
122#define LINUX_LWP_SETPRIVATE linux_lwp_setprivate
123
124/*
125 * Used in ugly patch to fake device numbers.
126 */
127/* Major device numbers for new style ptys. */
128#define LINUX_PTC_MAJOR 2
129#define LINUX_PTS_MAJOR 3
130/* Major device numbers of VT device on both Linux and NetBSD. */
131#define LINUX_CONS_MAJOR 4
132
133#endif /* _AMD64_LINUX_MACHDEP_H */
134