1 /* $NetBSD: libi386.h,v 1.16 2004/03/24 16:46:28 drochner 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 __P((const void *, void *, size_t)); 33 void pvbcopy __P((const void *, void *, size_t)); 34 void pbzero __P((void *, size_t)); 35 physaddr_t vtophys __P((void*)); 36 37 ssize_t pread __P((int, void *, size_t)); 38 void startprog __P((physaddr_t, int, unsigned long*, physaddr_t)); 39 40 int exec_netbsd __P((const char*, physaddr_t, int)); 41 42 void delay __P((int)); 43 int getbasemem __P((void)); 44 int getextmemx __P((void)); 45 int getextmem1 __P((void)); 46 int biosvideomode __P((void)); 47 #ifdef CONSERVATIVE_MEMDETECT 48 #define getextmem() getextmem1() 49 #else 50 #define getextmem() getextmemx() 51 #endif 52 void printmemlist __P((void)); 53 void reboot __P((void)); 54 void gateA20 __P((void)); 55 56 void initio __P((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 __P((void)); 68 char awaitkey __P((int, int)); 69 70 /* this is in "user code"! */ 71 int parsebootfile __P((const char *, char**, char**, unsigned int*, 72 unsigned int*, const char**)); 73 74 #ifdef XMS 75 physaddr_t ppbcopy __P((physaddr_t, physaddr_t, int)); 76 int checkxms __P((void)); 77 physaddr_t xmsalloc __P((int)); 78 #endif 79 80 /* parseutils.c */ 81 char *gettrailer __P((char*)); 82 int parseopts __P((const char*, int*)); 83 int parseboot __P((char*, char**, int*)); 84 85 /* menuutils.c */ 86 struct bootblk_command { 87 const char *c_name; 88 void (*c_fn) __P((char *)); 89 }; 90 void bootmenu __P((void)); 91 void docommand __P((char*)); 92 93 /* getsecs.c */ 94 time_t getsecs __P((void)); 95 96 /* in "user code": */ 97 void command_help __P((char *)); 98 extern const struct bootblk_command commands[]; 99 100 /* asm bios/dos calls */ 101 extern int biosdiskreset(int); 102 extern int biosextread(int, void *); 103 extern int biosgetrtc(u_long *); 104 extern int biosgetsystime(void); 105 extern int biosread(int, int, int, int, int, void *); 106 extern int comgetc(int); 107 extern void cominit(int); 108 extern int computc(int, int); 109 extern int comstatus(int); 110 extern int congetc(void); 111 extern int coniskey(void); 112 extern void conputc(int); 113 114 extern int get_diskinfo(int); 115 extern int getextmem2(int *); 116 extern int getextmemps2(void *); 117 extern int getmementry(int *, int *); 118 extern int int13_extension(int); 119 struct biosdisk_ext13info; 120 extern void int13_getextinfo(int, struct biosdisk_ext13info *); 121 extern int pcibios_cfgread(unsigned int, int, int *); 122 extern int pcibios_cfgwrite(unsigned int, int, int); 123 extern int pcibios_finddev(int, int, int, unsigned int *); 124 extern int pcibios_present(int *); 125 126 extern void dosclose(int); 127 extern int doserrno; /* in dos_file.S */ 128 extern int dosopen(char *); 129 extern int dosread(int, char *, int); 130 extern int dosseek(int, int, int); 131