1 /*	$NetBSD: linux_machdep.h,v 1.13 2010/07/07 01:30:33 chs 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 struct linux__fpstate {
45 	u_int16_t cwd;
46 	u_int16_t swd;
47 	u_int16_t twd;
48 	u_int16_t fop;
49 	u_int64_t rip;
50 	u_int64_t rdp;
51 	u_int32_t mxcsr;
52 	u_int32_t mxcsr_mask;
53 	u_int32_t st_space[32];
54 	u_int32_t xmm_space[64];
55 	u_int32_t reserved2[24];
56 };
57 
58 /* From <asm/sigcontext.h> */
59 struct linux_sigcontext {
60 	u_int64_t r8;
61 	u_int64_t r9;
62 	u_int64_t r10;
63 	u_int64_t r11;
64 	u_int64_t r12;
65 	u_int64_t r13;
66 	u_int64_t r14;
67 	u_int64_t r15;
68 	u_int64_t rdi;
69 	u_int64_t rsi;
70 	u_int64_t rbp;
71 	u_int64_t rbx;
72 	u_int64_t rdx;
73 	u_int64_t rax;
74 	u_int64_t rcx;
75 	u_int64_t rsp;
76 	u_int64_t rip;
77 	u_int64_t eflags;
78 	u_int16_t cs;
79 	u_int16_t gs;
80 	u_int16_t fs;
81 	u_int16_t pad0;
82 	u_int64_t err;
83 	u_int64_t trapno;
84 	u_int64_t oldmask;
85 	u_int64_t cr2;
86 	struct linux__fpstate *fpstate;
87 	u_int64_t reserved1[8];
88 };
89 
90 /* From <asm/ucontext.h> */
91 struct linux_ucontext {
92 	u_int64_t luc_flags;
93 	struct linux_ucontext *luc_link;
94 	linux_stack_t luc_stack;
95 	struct linux_sigcontext luc_mcontext;
96 	linux_sigset_t luc_sigmask;
97 };
98 
99 /* From linux/arch/x86_64/kernel/signal.c */
100 struct linux_rt_sigframe {
101 	char *pretcode;
102 	struct linux_ucontext uc;
103 	struct linux_siginfo info;
104 };
105 
106 #ifdef _KERNEL
107 __BEGIN_DECLS
108 void linux_syscall_intern(struct proc *);
109 __END_DECLS
110 #endif /* !_KERNEL */
111 
112 #define LINUX_VSYSCALL_START	0xffffffffff600000
113 #define LINUX_VSYSCALL_SIZE	1024
114 #define LINUX_VSYSCALL_MAXNR	3
115 
116 #define LINUX_UNAME_ARCH MACHINE_ARCH
117 #define LINUX_LARGEFILE64
118 #define LINUX_IPC_FORCE64
119 
120 #define LINUX_LWP_SETPRIVATE	linux_lwp_setprivate
121 
122 /*
123  * Used in ugly patch to fake device numbers.
124  */
125 /* Major device numbers for new style ptys. */
126 #define LINUX_PTC_MAJOR                2
127 #define LINUX_PTS_MAJOR                3
128 /* Major device numbers of VT device on both Linux and NetBSD. */
129 #define LINUX_CONS_MAJOR       4
130 
131 #endif /* _AMD64_LINUX_MACHDEP_H */
132