linux_machdep.h revision 1.30
1 /* $NetBSD: linux_machdep.h,v 1.30 2007/05/10 21:30:15 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 struct linux_libc_fpreg { 111 unsigned short significand[4]; 112 unsigned short exponent; 113 }; 114 115 struct linux_libc_fpstate { 116 unsigned long cw; 117 unsigned long sw; 118 unsigned long tag; 119 unsigned long ipoff; 120 unsigned long cssel; 121 unsigned long dataoff; 122 unsigned long datasel; 123 struct linux_libc_fpreg _st[8]; 124 unsigned long status; 125 }; 126 127 struct linux_ucontext { 128 unsigned long uc_flags; 129 struct ucontext *uc_link; 130 struct linux_sigaltstack uc_stack; 131 struct linux_sigcontext uc_mcontext; 132 linux_sigset_t uc_sigmask; 133 struct linux_libc_fpstate uc_fpregs_mem; 134 }; 135 136 /* 137 * We make the stack look like Linux expects it when calling a signal 138 * handler, but use the BSD way of calling the handler and sigreturn(). 139 * This means that we need to pass the pointer to the handler too. 140 * It is appended to the frame to not interfere with the rest of it. 141 */ 142 struct linux_rt_sigframe { 143 int sf_sig; 144 struct linux_siginfo *sf_sip; 145 struct linux_ucontext *sf_ucp; 146 struct linux_siginfo sf_si; 147 struct linux_ucontext sf_uc; 148 sig_t sf_handler; 149 }; 150 151 struct linux_sigframe { 152 int sf_sig; 153 struct linux_sigcontext sf_sc; 154 sig_t sf_handler; 155 }; 156 157 /* 158 * Used in ugly patch to fake device numbers. 159 */ 160 /* Major device numbers for new style ptys. */ 161 #define LINUX_PTC_MAJOR 2 162 #define LINUX_PTS_MAJOR 3 163 /* Major device numbers of VT device on both Linux and NetBSD. */ 164 #define LINUX_CONS_MAJOR 4 165 166 /* 167 * Linux ioctl calls for the keyboard. 168 */ 169 #define LINUX_KDGKBMODE 0x4b44 170 #define LINUX_KDSKBMODE 0x4b45 171 #define LINUX_KDMKTONE 0x4b30 172 #define LINUX_KDSETMODE 0x4b3a 173 #define LINUX_KDGETMODE 0x4b3b 174 #define LINUX_KDENABIO 0x4b36 175 #define LINUX_KDDISABIO 0x4b37 176 #define LINUX_KDGETLED 0x4b31 177 #define LINUX_KDSETLED 0x4b32 178 #define LINUX_KDGKBTYPE 0x4b33 179 #define LINUX_KDGKBENT 0x4b46 180 #define LINUX_KIOCSOUND 0x4b2f 181 182 /* 183 * Mode for KDSKBMODE which we don't have (we just use plain mode for this) 184 */ 185 #define LINUX_K_MEDIUMRAW 2 186 187 /* 188 * VT ioctl calls in Linux (the ones that the pcvt emulation in wscons can handle) 189 */ 190 #define LINUX_VT_OPENQRY 0x5600 191 #define LINUX_VT_GETMODE 0x5601 192 #define LINUX_VT_SETMODE 0x5602 193 #define LINUX_VT_GETSTATE 0x5603 194 #define LINUX_VT_RELDISP 0x5605 195 #define LINUX_VT_ACTIVATE 0x5606 196 #define LINUX_VT_WAITACTIVE 0x5607 197 #define LINUX_VT_DISALLOCATE 0x5608 198 199 /* 200 * This range used by VMWare (XXX) 201 */ 202 #define LINUX_VMWARE_NONE 200 203 #define LINUX_VMWARE_LAST 237 204 205 /* 206 * Range of ioctls to just pass on, so that LKMs (like VMWare) can 207 * handle them. 208 */ 209 #define LINUX_IOCTL_MIN_PASS LINUX_VMWARE_NONE 210 #define LINUX_IOCTL_MAX_PASS (LINUX_VMWARE_LAST+8) 211 212 #define LINUX_UNAME_ARCH linux_get_uname_arch() 213 214 #ifdef _KERNEL 215 __BEGIN_DECLS 216 void linux_syscall_intern(struct proc *); 217 const char *linux_get_uname_arch(void); 218 __END_DECLS 219 #endif /* !_KERNEL */ 220 221 #endif /* _I386_LINUX_MACHDEP_H */ 222
Indexes created Sun Sep 28 16:09:52 GMT 2025