1 /* $NetBSD: libi386.h,v 1.28 2008/12/13 23:30:54 christos 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); 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 /* getsecs.c */ 96 time_t getsecs(void); 97 98 /* in "user code": */ 99 void command_help(char *); 100 extern const struct bootblk_command commands[]; 101 102 /* asm bios/dos calls */ 103 int biosdisk_extread(int, void *); 104 int biosdisk_read(int, int, int, int, int, void *); 105 int biosdisk_reset(int); 106 107 int biosgetrtc(u_long *); 108 int biosgetsystime(void); 109 int comgetc(int); 110 void cominit(int); 111 int computc(int, int); 112 int comstatus(int); 113 int congetc(void); 114 int conisshift(void); 115 int coniskey(void); 116 void conputc(int); 117 void conclr(void); 118 119 int getextmem2(int *); 120 int getextmemps2(void *); 121 int getmementry(int *, int *); 122 123 int biosdisk_int13ext(int); 124 int biosdisk_getinfo(int); 125 struct biosdisk_extinfo; 126 void biosdisk_getextinfo(int, struct biosdisk_extinfo *); 127 int get_harddrives(void); 128 129 int pcibios_cfgread(unsigned int, int, int *); 130 int pcibios_cfgwrite(unsigned int, int, int); 131 int pcibios_finddev(int, int, int, unsigned int *); 132 int pcibios_present(int *); 133 134 void dosclose(int); 135 int dosopen(char *); 136 int dosread(int, char *, int); 137 int dosseek(int, int, int); 138 extern int doserrno; /* in dos_file.S */ 139 140 void module_add(char *); 141