sys/arch/i386/stand/lib/libi386.h

   1 /*      $NetBSD: libi386.h,v 1.31 2009/03/21 15:01:56 ad Exp $  */
   2
   3 /*
   4  * Copyright (c) 1996
   5  *      Matthias Drochner.  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 ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  */
  28
  29 typedef unsigned long physaddr_t;
  30
  31 /* this is in startup code */
  32 void vpbcopy(const void *, void *, size_t);
  33 void pvbcopy(const void *, void *, size_t);
  34 void pbzero(void *, size_t);
  35 physaddr_t vtophys(void *);
  36
  37 ssize_t pread(int, void *, size_t);
  38 void startprog(physaddr_t, int, unsigned long *, physaddr_t);
  39 void multiboot(physaddr_t, physaddr_t, physaddr_t);
  40
  41 int exec_netbsd(const char *, physaddr_t, int, int, void (*)(void));
  42 int exec_multiboot(const char *, char *);
  43
  44 void delay(int);
  45 int getbasemem(void);
  46 int getextmemx(void);
  47 int getextmem1(void);
  48 int biosvideomode(void);
  49 #ifdef CONSERVATIVE_MEMDETECT
  50 #define getextmem() getextmem1()
  51 #else
  52 #define getextmem() getextmemx()
  53 #endif
  54 void printmemlist(void);
  55 void reboot(void);
  56 void gateA20(void);
  57
  58 void clear_pc_screen(void);
  59 void initio(int);
  60 #define CONSDEV_PC 0
  61 #define CONSDEV_COM0 1
  62 #define CONSDEV_COM1 2
  63 #define CONSDEV_COM2 3
  64 #define CONSDEV_COM3 4
  65 #define CONSDEV_COM0KBD 5
  66 #define CONSDEV_COM1KBD 6
  67 #define CONSDEV_COM2KBD 7
  68 #define CONSDEV_COM3KBD 8
  69 #define CONSDEV_AUTO (-1)
  70 int iskey(int);
  71 char awaitkey(int, int);
  72
  73 /* this is in "user code"! */
  74 int parsebootfile(const char *, char **, char **, int *, int *, const char **);
  75
  76 #ifdef XMS
  77 physaddr_t ppbcopy(physaddr_t, physaddr_t, int);
  78 int checkxms(void);
  79 physaddr_t xmsalloc(int);
  80 #endif
  81
  82 /* parseutils.c */
  83 char *gettrailer(char *);
  84 int parseopts(const char *, int *);
  85 int parseboot(char *, char **, int *);
  86
  87 /* menuutils.c */
  88 struct bootblk_command {
  89         const char *c_name;
  90         void (*c_fn)(char *);
  91 };
  92 void bootmenu(void);
  93 void docommand(char *);
  94
  95 /* in "user code": */
  96 void command_help(char *);
  97 extern const struct bootblk_command commands[];
  98
  99 /* asm bios/dos calls */
 100 int biosdisk_extread(int, void *);
 101 int biosdisk_read(int, int, int, int, int, void *);
 102 int biosdisk_reset(int);
 103
 104 int biosgetrtc(u_long *);
 105 int biosgetsystime(void);
 106 int comgetc(int);
 107 void cominit(int);
 108 int computc(int, int);
 109 int comstatus(int);
 110 int congetc(void);
 111 int conisshift(void);
 112 int coniskey(void);
 113 void conputc(int);
 114 void conclr(void);
 115
 116 int getextmem2(int *);
 117 int getextmemps2(void *);
 118 int getmementry(int *, int *);
 119
 120 int biosdisk_int13ext(int);
 121 int biosdisk_getinfo(int);
 122 struct biosdisk_extinfo;
 123 void biosdisk_getextinfo(int, struct biosdisk_extinfo *);
 124 int get_harddrives(void);
 125 void biosdisk_probe(void);
 126
 127 int pcibios_cfgread(unsigned int, int, int *);
 128 int pcibios_cfgwrite(unsigned int, int, int);
 129 int pcibios_finddev(int, int, int, unsigned int *);
 130 int pcibios_present(int *);
 131
 132 void dosclose(int);
 133 int dosopen(char *);
 134 int dosread(int, char *, int);
 135 int dosseek(int, int, int);
 136 extern int doserrno;    /* in dos_file.S */
 137
 138 void module_add(char *);
 139
 140 struct btinfo_framebuffer;
 141 void framebuffer_configure(struct btinfo_framebuffer *);