/* $NetBSD: linux_machdep.h,v 1.32 2007/06/13 20:57:33 christos Exp $ */ /*- * Copyright (c) 1995, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Frank van der Linden. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _I386_LINUX_MACHDEP_H #define _I386_LINUX_MACHDEP_H #include #include #include /* * The Linux sigcontext, pretty much a standard 386 trapframe. */ struct linux_fpreg { uint16_t mant[4]; uint16_t expo; }; struct linux_fpxreg { uint16_t mant[4]; uint16_t expo; uint16_t pad[3]; }; struct linux_xmmreg { uint32_t reg[4]; }; struct linux_fpstate { uint32_t cw; uint32_t sw; uint32_t tag; uint32_t ipoff; uint32_t cssel; uint32_t dataoff; uint32_t datasel; struct linux_fpreg st[8]; uint16_t status; uint16_t magic; uint32_t fxsr_env[6]; uint32_t mxcsr; uint32_t reserved; struct linux_fpxreg fxsr_st[8]; struct linux_xmmreg xmm[8]; uint32_t padding[56]; }; struct linux_sigcontext { int sc_gs; int sc_fs; int sc_es; int sc_ds; int sc_edi; int sc_esi; int sc_ebp; int sc_esp; int sc_ebx; int sc_edx; int sc_ecx; int sc_eax; int sc_trapno; int sc_err; int sc_eip; int sc_cs; int sc_eflags; int sc_esp_at_signal; int sc_ss; struct linux_fpstate *sc_387; /* XXX check this */ linux_old_sigset_t sc_mask; int sc_cr2; }; struct linux_libc_fpreg { unsigned short significand[4]; unsigned short exponent; }; struct linux_libc_fpstate { unsigned long cw; unsigned long sw; unsigned long tag; unsigned long ipoff; unsigned long cssel; unsigned long dataoff; unsigned long datasel; struct linux_libc_fpreg _st[8]; unsigned long status; }; struct linux_ucontext { unsigned long uc_flags; struct ucontext *uc_link; struct linux_sigaltstack uc_stack; struct linux_sigcontext uc_mcontext; linux_sigset_t uc_sigmask; struct linux_libc_fpstate uc_fpregs_mem; }; /* * We make the stack look like Linux expects it when calling a signal * handler, but use the BSD way of calling the handler and sigreturn(). * This means that we need to pass the pointer to the handler too. * It is appended to the frame to not interfere with the rest of it. */ struct linux_rt_sigframe { int sf_sig; struct linux_siginfo *sf_sip; struct linux_ucontext *sf_ucp; struct linux_siginfo sf_si; struct linux_ucontext sf_uc; sig_t sf_handler; }; struct linux_sigframe { int sf_sig; struct linux_sigcontext sf_sc; sig_t sf_handler; }; /* * Used in ugly patch to fake device numbers. */ /* Major device numbers for new style ptys. */ #define LINUX_PTC_MAJOR 2 #define LINUX_PTS_MAJOR 3 /* Major device numbers of VT device on both Linux and NetBSD. */ #define LINUX_CONS_MAJOR 4 /* * Linux ioctl calls for the keyboard. */ #define LINUX_KDGKBMODE 0x4b44 #define LINUX_KDSKBMODE 0x4b45 #define LINUX_KDMKTONE 0x4b30 #define LINUX_KDSETMODE 0x4b3a #define LINUX_KDGETMODE 0x4b3b #define LINUX_KDENABIO 0x4b36 #define LINUX_KDDISABIO 0x4b37 #define LINUX_KDGETLED 0x4b31 #define LINUX_KDSETLED 0x4b32 #define LINUX_KDGKBTYPE 0x4b33 #define LINUX_KDGKBENT 0x4b46 #define LINUX_KIOCSOUND 0x4b2f /* * Mode for KDSKBMODE which we don't have (we just use plain mode for this) */ #define LINUX_K_MEDIUMRAW 2 /* * VT ioctl calls in Linux (the ones that the pcvt emulation in wscons can handle) */ #define LINUX_VT_OPENQRY 0x5600 #define LINUX_VT_GETMODE 0x5601 #define LINUX_VT_SETMODE 0x5602 #define LINUX_VT_GETSTATE 0x5603 #define LINUX_VT_RELDISP 0x5605 #define LINUX_VT_ACTIVATE 0x5606 #define LINUX_VT_WAITACTIVE 0x5607 #define LINUX_VT_DISALLOCATE 0x5608 /* * This range used by VMWare (XXX) */ #define LINUX_VMWARE_NONE 200 #define LINUX_VMWARE_LAST 237 /* * Range of ioctls to just pass on, so that LKMs (like VMWare) can * handle them. */ #define LINUX_IOCTL_MIN_PASS LINUX_VMWARE_NONE #define LINUX_IOCTL_MAX_PASS (LINUX_VMWARE_LAST+8) #define LINUX_UNAME_ARCH linux_get_uname_arch() #ifdef notyet /* We need to implement GDT based TLS first */ #define LINUX_NPTL #endif #ifdef _KERNEL __BEGIN_DECLS void linux_syscall_intern(struct proc *); const char *linux_get_uname_arch(void); __END_DECLS #endif /* !_KERNEL */ #endif /* _I386_LINUX_MACHDEP_H */