/* $NetBSD: linux_machdep.h,v 1.11 2011/02/20 08:14:10 matt Exp $ */

/*-
* Copyright (c) 1995, 2000, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Emmanuel Dreyfus.
*
* 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.
*
* 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 _MIPS_LINUX_MACHDEP_H
#define _MIPS_LINUX_MACHDEP_H

#include <compat/linux/common/linux_types.h>
#include <compat/linux/common/linux_signal.h>
#include <compat/linux/common/linux_siginfo.h>

/*
* From Linux's include/asm-mips64/sigcontext.h
*/
#ifndef __mips_o32
struct linux_sigcontext {               /* N32 too */
       uint64_t lsc_regs[32];
       uint64_t lsc_fpregs[32];
       uint64_t lsc_mdhi;
       uint64_t lsc_hi1;
       uint64_t lsc_hi2;
       uint64_t lsc_hi3;
       uint64_t lsc_mdlo;
       uint64_t lsc_lo1;
       uint64_t lsc_lo2;
       uint64_t lsc_lo3;
       uint64_t lsc_pc;
       uint32_t lsc_fpc_csr;
       uint32_t lsc_ownedfp;
       uint32_t lsc_dsp;
       uint32_t lsc_reserved;
};
#endif

/*
* From Linux's include/asm-mips/sigcontext.h
*/
struct
#ifdef __mips_o32
       linux_sigcontext
#else
       linux_sigcontext32
#endif
{
       uint32_t lsc_regmask;           /* Unused */
       uint32_t lsc_status;
       uint64_t lsc_pc;
       uint64_t lsc_regs[32];
       uint64_t lsc_fpregs[32];        /* Unused */
       uint32_t lsc_acx;               /* Was owned_fp */
       uint32_t lsc_fpc_csr;           /* Unused */
       uint32_t lsc_fpc_eir;           /* Unused */
       uint32_t lsc_used_math;         /* Unused */
       uint32_t lsc_dsp;               /* dsp status; was ssflags */
       uint64_t lsc_mdhi;
       uint64_t lsc_mdlo;
       uint32_t lsc_hi1;               /* Unused; was cause */
       uint32_t lsc_lo1;               /* Unused; was badvddr */
       uint32_t lsc_sigset[4];         /* kernel's sigset_t */
};

/*
* From Linux's include/asm-mips/elf.h
*/
#define LINUX_ELF_NGREG 45
#define LINUX_ELF_NFPREG 33
typedef unsigned long linux_elf_greg_t;
typedef linux_elf_greg_t linux_elf_gregset_t[LINUX_ELF_NGREG];

#ifndef __mips_o32
typedef struct linux_sigaltstack32 {
       int32_t ss_sp;
       uint32_t ss_size;
       int ss_flags;
} linux_stack32_t;
#endif /* !mips_o32 */

/*
* From Linux's arch/mips/kernel/signal.c
*/
struct linux_sigframe {
       uint32_t lsf_ass[4];
       uint32_t lsf_code[2];
       struct linux_sigcontext lsf_sc;
       linux_sigset_t lsf_mask;
};

#ifndef __mips_o32
struct linux_sigframe32 {
       uint32_t lsf_ass[4];
       uint32_t lsf_code[2];
       struct linux_sigcontext32 lsf_sc;
       linux_sigset_t lsf_mask;
};
#endif /* !mips_o32 */

/*
* From Linux's include/asm-mips/ucontext.h
*/
struct linux_ucontext {
       unsigned long luc_flags;
       struct linux_ucontext *luc_link;
       linux_stack_t luc_stack;
       struct linux_sigcontext luc_mcontext;
       linux_sigset_t luc_sigmask;
};

#ifndef __mips_o32
struct linux_ucontext32 {
       uint32_t luc_flags;
       int32_t luc_link;
       linux_stack32_t luc_stack;
       struct linux_sigcontext32 luc_mcontext;
       linux_sigset_t luc_sigmask;
};

struct linux_ucontextn32 {
       uint32_t luc_flags;
       int32_t luc_link;
       linux_stack32_t luc_stack;
       struct linux_sigcontext luc_mcontext;
       linux_sigset_t luc_sigmask;
};

#endif /* !__mips_o32 */

/*
* From Linux's arch/mips/kernel/signal.c
*/
struct linux_rt_sigframe {
       uint32_t lrs_ass[4];
       uint32_t lrs_code[2];
       struct linux_siginfo lrs_info;
       struct linux_ucontext lrs_uc;
};

#ifndef __mips_o32
/*
* From Linux's arch/mips/kernel/signal.c
*/
struct linux_rt_sigframe32 {
       uint32_t lrs_ass[4];
       uint32_t lrs_code[2];
       struct linux_siginfo lrs_info;
       struct linux_ucontext32 lrs_uc;
};
#endif /* !__mips_o32 */

/*
* From Linux's include/asm-mips/sysmips.h
*/
#define LINUX_SETNAME           1       /* set hostname                  */
#define LINUX_FLUSH_CACHE       3       /* writeback and invalidate caches */
#define LINUX_MIPS_FIXADE       7       /* control address error fixing  */
#define LINUX_MIPS_RDNVRAM      10      /* read NVRAM */
#define LINUX_MIPS_ATOMIC_SET   2001    /* atomically set variable       */

/*
* From Linux's include/linux/utsname.h
*/
#define LINUX___NEW_UTS_LEN     64

/*
* Major device numbers of VT device on both Linux and NetBSD. Used in
* ugly patch to fake device numbers.
*
* LINUX_CONS_MAJOR is from Linux's include/linux/major.h
*/
#define LINUX_CONS_MAJOR 4
#define NETBSD_WSCONS_MAJOR 47 /* XXX */

/*
* Linux ioctl calls for the keyboard.
*
* From Linux's include/linux/kd.h
*/
#define LINUX_KDGKBMODE 0x4b44
#define LINUX_KDSKBMODE 0x4b45
#define LINUX_KDMKTONE  0x4b30
#define LINUX_KDSETMODE 0x4b3a
#define LINUX_KDENABIO  0x4b36
#define LINUX_KDDISABIO 0x4b37
#define LINUX_KDGETLED  0x4b31
#define LINUX_KDSETLED  0x4b32
#define LINUX_KDGKBTYPE 0x4B33
#define LINUX_KDGKBENT  0x4B46

/*
* Mode for KDSKBMODE which we don't have (we just use plain mode for this)
*
* From Linux's include/linux/kd.h
*/
#define LINUX_K_MEDIUMRAW 2

/*
* VT ioctl calls in Linux (the ones that the pcvt emulation in
* wscons can handle)
*
* From Linux's include/linux/vt.h
*/
#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)
*
* From Linux's include/linux/vt.h
* XXX not needed for mips
*/
#define LINUX_VMWARE_NONE 200
#define LINUX_VMWARE_LAST 237

/*
* Range of ioctls to just pass on, so that modules (like VMWare) can
* handle them.
*
* From Linux's include/linux/vt.h
*/
#define LINUX_IOCTL_MIN_PASS LINUX_VMWARE_NONE
#define LINUX_IOCTL_MAX_PASS (LINUX_VMWARE_LAST+8)

#ifdef _KERNEL
__BEGIN_DECLS /* XXX from NetBSD/i386. Not arch dependent? */
void linux_syscall_intern(struct proc *);
__END_DECLS
#endif /* !_KERNEL */

#endif /* _MIPS_LINUX_MACHDEP_H */

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