1 /* $NetBSD: linux_machdep.h,v 1.25 2002/12/06 00:02:59 christos 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _I386_LINUX_MACHDEP_H 40 #define _I386_LINUX_MACHDEP_H 41 42 #include <compat/linux/common/linux_types.h> 43 #include <compat/linux/common/linux_signal.h> 44 #include <compat/linux/common/linux_siginfo.h> 45 46 /* 47 * The Linux sigcontext, pretty much a standard 386 trapframe. 48 */ 49 struct linux_fpreg { 50 uint16_t mant[4]; 51 uint16_t expo; 52 }; 53 54 struct linux_fpxreg { 55 uint16_t mant[4]; 56 uint16_t expo; 57 uint16_t pad[3]; 58 }; 59 60 struct linux_xmmreg { 61 uint32_t reg[4]; 62 }; 63 64 struct linux_fpstate { 65 uint32_t cw; 66 uint32_t sw; 67 uint32_t tag; 68 uint32_t ipoff; 69 uint32_t cssel; 70 uint32_t dataoff; 71 uint32_t datasel; 72 struct linux_fpreg st[8]; 73 uint16_t status; 74 uint16_t magic; 75 uint32_t fxsr_env[6]; 76 uint32_t mxcsr; 77 uint32_t reserved; 78 struct linux_fpxreg fxsr_st[8]; 79 struct linux_xmmreg xmm[8]; 80 uint32_t padding[56]; 81 }; 82 83 84 struct linux_sigcontext { 85 int sc_gs; 86 int sc_fs; 87 int sc_es; 88 int sc_ds; 89 int sc_edi; 90 int sc_esi; 91 int sc_ebp; 92 int sc_esp; 93 int sc_ebx; 94 int sc_edx; 95 int sc_ecx; 96 int sc_eax; 97 int sc_trapno; 98 int sc_err; 99 int sc_eip; 100 int sc_cs; 101 int sc_eflags; 102 int sc_esp_at_signal; 103 int sc_ss; 104 struct linux_fpstate *sc_387; 105 /* XXX check this */ 106 linux_old_sigset_t sc_mask; 107 int sc_cr2; 108 }; 109 110 /* 111 * We make the stack look like Linux expects it when calling a signal 112 * handler, but use the BSD way of calling the handler and sigreturn(). 113 * This means that we need to pass the pointer to the handler too. 114 * It is appended to the frame to not interfere with the rest of it. 115 */ 116 struct linux_rt_sigframe { 117 int sf_sig; 118 struct linux_siginfo *sf_sip; 119 struct linux_sigcontext *sf_scp; 120 struct linux_siginfo sf_si; 121 struct linux_sigcontext sf_sc; 122 sig_t sf_handler; 123 }; 124 125 struct linux_sigframe { 126 int sf_sig; 127 struct linux_sigcontext sf_sc; 128 sig_t sf_handler; 129 }; 130 131 #ifdef _KERNEL 132 __BEGIN_DECLS 133 void linux_sendsig __P((int, sigset_t *, u_long)); 134 __END_DECLS 135 #endif /* _KERNEL */ 136 137 /* 138 * Major device numbers of VT device on both Linux and NetBSD. Used in 139 * ugly patch to fake device numbers. 140 */ 141 #define LINUX_CONS_MAJOR 4 142 143 /* 144 * Linux ioctl calls for the keyboard. 145 */ 146 #define LINUX_KDGKBMODE 0x4b44 147 #define LINUX_KDSKBMODE 0x4b45 148 #define LINUX_KDMKTONE 0x4b30 149 #define LINUX_KDSETMODE 0x4b3a 150 #define LINUX_KDGETMODE 0x4b3b 151 #define LINUX_KDENABIO 0x4b36 152 #define LINUX_KDDISABIO 0x4b37 153 #define LINUX_KDGETLED 0x4b31 154 #define LINUX_KDSETLED 0x4b32 155 #define LINUX_KDGKBTYPE 0x4b33 156 #define LINUX_KDGKBENT 0x4b46 157 #define LINUX_KIOCSOUND 0x4b2f 158 159 /* 160 * Mode for KDSKBMODE which we don't have (we just use plain mode for this) 161 */ 162 #define LINUX_K_MEDIUMRAW 2 163 164 /* 165 * VT ioctl calls in Linux (the ones that the pcvt emulation in wscons can handle) 166 */ 167 #define LINUX_VT_OPENQRY 0x5600 168 #define LINUX_VT_GETMODE 0x5601 169 #define LINUX_VT_SETMODE 0x5602 170 #define LINUX_VT_GETSTATE 0x5603 171 #define LINUX_VT_RELDISP 0x5605 172 #define LINUX_VT_ACTIVATE 0x5606 173 #define LINUX_VT_WAITACTIVE 0x5607 174 #define LINUX_VT_DISALLOCATE 0x5608 175 176 /* 177 * This range used by VMWare (XXX) 178 */ 179 #define LINUX_VMWARE_NONE 200 180 #define LINUX_VMWARE_LAST 237 181 182 /* 183 * Range of ioctls to just pass on, so that LKMs (like VMWare) can 184 * handle them. 185 */ 186 #define LINUX_IOCTL_MIN_PASS LINUX_VMWARE_NONE 187 #define LINUX_IOCTL_MAX_PASS (LINUX_VMWARE_LAST+8) 188 189 #ifdef _KERNEL 190 __BEGIN_DECLS 191 void linux_syscall_intern __P((struct proc *)); 192 __END_DECLS 193 #endif /* !_KERNEL */ 194 195 #endif /* _I386_LINUX_MACHDEP_H */ 196