1 /* $NetBSD: libi386.h,v 1.17 2004/08/23 09:41:59 junyoung 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 40 int exec_netbsd(const char*, physaddr_t, int); 41 42 void delay(int); 43 int getbasemem(void); 44 int getextmemx(void); 45 int getextmem1(void); 46 int biosvideomode(void); 47 #ifdef CONSERVATIVE_MEMDETECT 48 #define getextmem() getextmem1() 49 #else 50 #define getextmem() getextmemx() 51 #endif 52 void printmemlist(void); 53 void reboot(void); 54 void gateA20(void); 55 56 void initio(int); 57 #define CONSDEV_PC 0 58 #define CONSDEV_COM0 1 59 #define CONSDEV_COM1 2 60 #define CONSDEV_COM2 3 61 #define CONSDEV_COM3 4 62 #define CONSDEV_COM0KBD 5 63 #define CONSDEV_COM1KBD 6 64 #define CONSDEV_COM2KBD 7 65 #define CONSDEV_COM3KBD 8 66 #define CONSDEV_AUTO (-1) 67 int iskey(void); 68 char awaitkey(int, int); 69 70 /* this is in "user code"! */ 71 int parsebootfile(const char *, char **, char **, unsigned int *, 72 unsigned int *, const char **); 73 74 #ifdef XMS 75 physaddr_t ppbcopy(physaddr_t, physaddr_t, int); 76 int checkxms(void); 77 physaddr_t xmsalloc(int); 78 #endif 79 80 /* parseutils.c */ 81 char *gettrailer(char*); 82 int parseopts(const char*, int*); 83 int parseboot(char*, char**, int*); 84 85 /* menuutils.c */ 86 struct bootblk_command { 87 const char *c_name; 88 void (*c_fn)(char *); 89 }; 90 void bootmenu(void); 91 void docommand(char*); 92 93 /* getsecs.c */ 94 time_t getsecs(void); 95 96 /* in "user code": */ 97 void command_help(char *); 98 extern const struct bootblk_command commands[]; 99 100 /* asm bios/dos calls */ 101 int biosdiskreset(int); 102 int biosextread(int, void *); 103 int biosgetrtc(u_long *); 104 int biosgetsystime(void); 105 int biosread(int, int, int, int, int, void *); 106 int comgetc(int); 107 void cominit(int); 108 int computc(int, int); 109 int comstatus(int); 110 int congetc(void); 111 int coniskey(void); 112 void conputc(int); 113 114 int get_diskinfo(int); 115 int getextmem2(int *); 116 int getextmemps2(void *); 117 int getmementry(int *, int *); 118 int int13_extension(int); 119 struct biosdisk_ext13info; 120 void int13_getextinfo(int, struct biosdisk_ext13info *); 121 int pcibios_cfgread(unsigned int, int, int *); 122 int pcibios_cfgwrite(unsigned int, int, int); 123 int pcibios_finddev(int, int, int, unsigned int *); 124 int pcibios_present(int *); 125 126 void dosclose(int); 127 int dosopen(char *); 128 int dosread(int, char *, int); 129 int dosseek(int, int, int); 130 extern int doserrno; /* in dos_file.S */ 131