sys/arch/ia64/include/md_var.h

   1 /*      $NetBSD$        */
   2
   3 /*-
   4  * Copyright (c) 1998 Doug Rabson
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * $FreeBSD$
  29  */
  30
  31 #ifndef _IA64_MD_VAR_H_
  32 #define _IA64_MD_VAR_H_
  33
  34 /*
  35  * Miscellaneous machine-dependent declarations.
  36  */
  37
  38 struct ia64_fdesc {
  39         uint64_t        func;
  40         uint64_t        gp;
  41 };
  42
  43 #define FDESC_FUNC(fn)  (((struct ia64_fdesc *) fn)->func)
  44 #define FDESC_GP(fn)    (((struct ia64_fdesc *) fn)->gp)
  45
  46 /* Convenience macros to decompose CFM & ar.pfs. */
  47 #define IA64_CFM_SOF(x)         ((x) & 0x7f)
  48 #define IA64_CFM_SOL(x)         (((x) >> 7) & 0x7f)
  49 #define IA64_CFM_SOR(x)         (((x) >> 14) & 0x0f)
  50 #define IA64_CFM_RRB_GR(x)      (((x) >> 18) & 0x7f)
  51 #define IA64_CFM_RRB_FR(x)      (((x) >> 25) & 0x7f)
  52 #define IA64_CFM_RRB_PR(x)      (((x) >> 32) & 0x3f)
  53
  54 #define IA64_RNATINDEX(x)       (((x) & 0x1f8) >> 3)
  55
  56 #ifdef _KERNEL
  57
  58 extern  char    sigcode[];
  59 extern  char    esigcode[];
  60 extern  int     szsigcode;
  61 extern  long    Maxmem;
  62 extern  vaddr_t kernstart, kernend;
  63
  64
  65 struct _special;
  66 struct fpreg;
  67 struct reg;
  68 struct thread;
  69 struct trapframe;
  70
  71 void    busdma_swi(void);
  72 int     copyout_regstack(struct thread *, uint64_t *, uint64_t *);
  73 void    cpu_mp_add(u_int, u_int, u_int);
  74 int     do_ast(struct trapframe *);
  75 void    ia32_trap(int, struct trapframe *);
  76 int     ia64_count_cpus(void);
  77 void    ia64_flush_dirty(struct thread *, struct _special *);
  78 uint64_t ia64_get_hcdp(void);
  79 int     ia64_highfp_drop(struct thread *);
  80 int     ia64_highfp_save(struct thread *);
  81 void    ia64_init(void);
  82 void    ia64_probe_sapics(void);
  83 int     interrupt(uint64_t, struct trapframe *);
  84 void    map_gateway_page(void);
  85 void    map_pal_code(void);
  86 void    os_boot_rendez(void);
  87 void    os_mca(void);
  88 int     syscall(struct trapframe *);
  89 void    trap(int, struct trapframe *);
  90 void    trap_panic(int, struct trapframe *);
  91 int     unaligned_fixup(struct trapframe *, struct thread *);
  92
  93 #endif  /* _KERNEL */
  94
  95 #endif /* !_IA64_MD_VAR_H_ */