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