sys/arch/mips/include/netbsd32_machdep.h

   1 /*      $NetBSD$        */
   2
   3 /*-
   4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Matt Thomas <matt@3am-software.com>.
   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _MACHINE_NETBSD32_H_
  33 #define _MACHINE_NETBSD32_H_
  34
  35 #include <sys/types.h>
  36
  37 /*
  38  * On MIPS, pointers are signed.
  39  */
  40 #define NETBSD32_POINTER_TYPE                   int32_t
  41 typedef struct { NETBSD32_POINTER_TYPE i32; }   netbsd32_pointer_t;
  42
  43 #define NETBSD32_INT64_ALIGN
  44
  45 typedef netbsd32_pointer_t                      netbsd32_sigcontextp_t;
  46
  47 /*
  48  * The sigcode is ABI neutral.
  49  */
  50 #define netbsd32_sigcode                        sigcode
  51 #define netbsd32_esigcode                       esigcode
  52
  53 /*
  54  * cpu_upcall knows about COMPAT_NETBSD32
  55  * syscall_intern and setregs don't about COMPAT_NETBSD32.
  56  */
  57 #define netbsd32_syscall_intern                 syscall_intern
  58 #define netbsd32_setregs                        setregs
  59 #define netbsd32_cpu_upcall                     cpu_upcall
  60
  61 /* <mips/sysarch.h> */
  62 struct mips_cacheflush_args32 {
  63         netbsd32_intptr_t va;
  64         netbsd32_size_t nbytes;
  65         int whichcache;
  66 };
  67
  68 struct mips_cachectl_args32 {
  69         netbsd32_intptr_t va;
  70         netbsd32_size_t nbytes;
  71         int ctl;
  72 };
  73
  74 /* <mips/frame.h> */
  75 struct saframe32 {
  76         /* first 4 arguments passed in registers on entry to upcallcode */
  77         int                     sa_type;        /* A0 */
  78         netbsd32_pointer_t      sa_sas;         /* A1 */
  79         int                     sa_events;      /* A2 */
  80         int                     sa_interrupted; /* A3 */
  81         netbsd32_pointer_t      sa_arg;
  82         netbsd32_pointer_t      sa_upcall;
  83 };
  84
  85 #endif /* _MACHINE_NETBSD32_H_ */