1/* $NetBSD: linux_machdep.h,v 1.36 2008/11/12 12:36:10 ad Exp $ */ 2 3/*- 4 * Copyright (c) 1995, 2000 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. 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 _I386_LINUX_MACHDEP_H 33#define _I386_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 * The Linux sigcontext, pretty much a standard 386 trapframe. 41 */ 42struct linux_fpreg { 43 uint16_t mant[4]; 44 uint16_t expo; 45}; 46 47struct linux_fpxreg { 48 uint16_t mant[4]; 49 uint16_t expo; 50 uint16_t pad[3]; 51}; 52 53struct linux_xmmreg { 54 uint32_t reg[4]; 55}; 56 57struct linux_fpstate { 58 uint32_t cw; 59 uint32_t sw; 60 uint32_t tag; 61 uint32_t ipoff; 62 uint32_t cssel; 63 uint32_t dataoff; 64 uint32_t datasel; 65 struct linux_fpreg st[8]; 66 uint16_t status; 67 uint16_t magic; 68 uint32_t fxsr_env[6]; 69 uint32_t mxcsr; 70 uint32_t reserved; 71 struct linux_fpxreg fxsr_st[8]; 72 struct linux_xmmreg xmm[8]; 73 uint32_t padding[56]; 74}; 75 76 77struct linux_sigcontext { 78 int sc_gs; 79 int sc_fs; 80 int sc_es; 81 int sc_ds; 82 int sc_edi; 83 int sc_esi; 84 int sc_ebp; 85 int sc_esp; 86 int sc_ebx; 87 int sc_edx; 88 int sc_ecx; 89 int sc_eax; 90 int sc_trapno; 91 int sc_err; 92 int sc_eip; 93 int sc_cs; 94 int sc_eflags; 95 int sc_esp_at_signal; 96 int sc_ss; 97 struct linux_fpstate *sc_387; 98 /* XXX check this */ 99 linux_old_sigset_t sc_mask; 100 int sc_cr2; 101}; 102 103struct linux_libc_fpreg { 104 unsigned short significand[4]; 105 unsigned short exponent; 106}; 107 108struct linux_libc_fpstate { 109 unsigned long cw; 110 unsigned long sw; 111 unsigned long tag; 112 unsigned long ipoff; 113 unsigned long cssel; 114 unsigned long dataoff; 115 unsigned long datasel; 116 struct linux_libc_fpreg _st[8]; 117 unsigned long status; 118}; 119 120struct linux_ucontext { 121 unsigned long uc_flags; 122 struct ucontext *uc_link; 123 struct linux_sigaltstack uc_stack; 124 struct linux_sigcontext uc_mcontext; 125 linux_sigset_t uc_sigmask; 126 struct linux_libc_fpstate uc_fpregs_mem; 127}; 128 129/* 130 * We make the stack look like Linux expects it when calling a signal 131 * handler, but use the BSD way of calling the handler and sigreturn(). 132 * This means that we need to pass the pointer to the handler too. 133 * It is appended to the frame to not interfere with the rest of it. 134 */ 135struct linux_rt_sigframe { 136 int sf_sig; 137 struct linux_siginfo *sf_sip; 138 struct linux_ucontext *sf_ucp; 139 struct linux_siginfo sf_si; 140 struct linux_ucontext sf_uc; 141 sig_t sf_handler; 142}; 143 144struct linux_sigframe { 145 int sf_sig; 146 struct linux_sigcontext sf_sc; 147 sig_t sf_handler; 148}; 149 150/* 151 * Used in ugly patch to fake device numbers. 152 */ 153/* Major device numbers for new style ptys. */ 154#define LINUX_PTC_MAJOR 2 155#define LINUX_PTS_MAJOR 3 156/* Major device numbers of VT device on both Linux and NetBSD. */ 157#define LINUX_CONS_MAJOR 4 158 159/* 160 * Linux ioctl calls for the keyboard. 161 */ 162#define LINUX_KDGKBMODE 0x4b44 163#define LINUX_KDSKBMODE 0x4b45 164#define LINUX_KDMKTONE 0x4b30 165#define LINUX_KDSETMODE 0x4b3a 166#define LINUX_KDGETMODE 0x4b3b 167#define LINUX_KDENABIO 0x4b36 168#define LINUX_KDDISABIO 0x4b37 169#define LINUX_KDGETLED 0x4b31 170#define LINUX_KDSETLED 0x4b32 171#define LINUX_KDGKBTYPE 0x4b33 172#define LINUX_KDGKBENT 0x4b46 173#define LINUX_KIOCSOUND 0x4b2f 174 175/* 176 * Mode for KDSKBMODE which we don't have (we just use plain mode for this) 177 */ 178#define LINUX_K_MEDIUMRAW 2 179 180/* 181 * VT ioctl calls in Linux (the ones that the pcvt emulation in wscons can handle) 182 */ 183#define LINUX_VT_OPENQRY 0x5600 184#define LINUX_VT_GETMODE 0x5601 185#define LINUX_VT_SETMODE 0x5602 186#define LINUX_VT_GETSTATE 0x5603 187#define LINUX_VT_RELDISP 0x5605 188#define LINUX_VT_ACTIVATE 0x5606 189#define LINUX_VT_WAITACTIVE 0x5607 190#define LINUX_VT_DISALLOCATE 0x5608 191 192/* 193 * This range used by VMWare (XXX) 194 */ 195#define LINUX_VMWARE_NONE 200 196#define LINUX_VMWARE_LAST 237 197 198/* 199 * Range of ioctls to just pass on, so that modules (like VMWare) can 200 * handle them. 201 */ 202#define LINUX_IOCTL_MIN_PASS LINUX_VMWARE_NONE 203#define LINUX_IOCTL_MAX_PASS (LINUX_VMWARE_LAST+8) 204 205#define LINUX_UNAME_ARCH linux_get_uname_arch() 206 207#define LINUX_LWP_SETPRIVATE linux_lwp_setprivate 208 209#ifdef _KERNEL 210__BEGIN_DECLS 211void linux_syscall_intern(struct proc *); 212const char *linux_get_uname_arch(void); 213__END_DECLS 214#endif /* !_KERNEL */ 215 216#endif /* _I386_LINUX_MACHDEP_H */ 217