1 /* $NetBSD: libi386.h,v 1.42 2017/03/12 05:33:48 nonaka 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 #ifndef __I386_STAND_LIBI386_H__ 30 #define __I386_STAND_LIBI386_H__ 31 32 typedef unsigned long physaddr_t; 33 34 /* this is in startup code */ 35 void vpbcopy(const void *, void *, size_t); 36 void pvbcopy(const void *, void *, size_t); 37 void pbzero(void *, size_t); 38 physaddr_t vtophys(void *); 39 40 ssize_t pread(int, void *, size_t); 41 void startprog(physaddr_t, uint32_t, uint32_t *, physaddr_t); 42 void multiboot(physaddr_t, physaddr_t, physaddr_t); 43 44 int exec_netbsd(const char *, physaddr_t, int, int, void (*)(void)); 45 int exec_multiboot(const char *, char *); 46 int count_netbsd(const char *, u_long *); 47 48 void delay(int); 49 int getbasemem(void); 50 int getextmemx(void); 51 int getextmem1(void); 52 int biosvideomode(void); 53 #ifdef CONSERVATIVE_MEMDETECT 54 #define getextmem() getextmem1() 55 #else 56 #define getextmem() getextmemx() 57 #endif 58 void printmemlist(void); 59 void reboot(void); 60 void gateA20(void); 61 62 void clear_pc_screen(void); 63 void initio(int); 64 #define CONSDEV_PC 0 65 #define CONSDEV_COM0 1 66 #define CONSDEV_COM1 2 67 #define CONSDEV_COM2 3 68 #define CONSDEV_COM3 4 69 #define CONSDEV_COM0KBD 5 70 #define CONSDEV_COM1KBD 6 71 #define CONSDEV_COM2KBD 7 72 #define CONSDEV_COM3KBD 8 73 #define CONSDEV_AUTO (-1) 74 int iskey(int); 75 char awaitkey(int, int); 76 void wait_sec(int); 77 78 /* this is in "user code"! */ 79 int parsebootfile(const char *, char **, char **, int *, int *, const char **); 80 81 #ifdef XMS 82 physaddr_t ppbcopy(physaddr_t, physaddr_t, int); 83 int checkxms(void); 84 physaddr_t xmsalloc(int); 85 #endif 86 87 /* parseutils.c */ 88 char *gettrailer(char *); 89 int parseopts(const char *, int *); 90 int parseboot(char *, char **, int *); 91 92 /* menuutils.c */ 93 struct bootblk_command { 94 const char *c_name; 95 void (*c_fn)(char *); 96 }; 97 void bootmenu(void); 98 void docommand(char *); 99 100 /* in "user code": */ 101 void command_help(char *); 102 extern const struct bootblk_command commands[]; 103 104 /* asm bios/dos calls */ 105 __compactcall int biosdisk_extread(int, void *); 106 int biosdisk_read(int, int, int, int, int, void *); 107 __compactcall int biosdisk_reset(int); 108 109 __compactcall int biosgetrtc(u_long *); 110 int biosgetsystime(void); 111 int comgetc(int); 112 void cominit(int); 113 __compactcall int computc(int, int); 114 int comstatus(int); 115 int congetc(void); 116 int conisshift(void); 117 int coniskey(void); 118 __compactcall void conputc(int); 119 void conclr(void); 120 121 int getextmem2(int *); 122 __compactcall int getextmemps2(void *); 123 int getmementry(int *, int *); 124 125 __compactcall int biosdisk_int13ext(int); 126 __compactcall int biosdisk_getinfo(int); 127 struct biosdisk_extinfo; 128 __compactcall int biosdisk_getextinfo(int, struct biosdisk_extinfo *); 129 int get_harddrives(void); 130 void biosdisk_probe(void); 131 132 int pcibios_cfgread(unsigned int, int, int *); 133 int pcibios_cfgwrite(unsigned int, int, int); 134 int pcibios_finddev(int, int, int, unsigned int *); 135 int pcibios_present(int *); 136 137 void dosclose(int); 138 int dosopen(char *); 139 int dosread(int, char *, int); 140 int dosseek(int, int, int); 141 extern int doserrno; /* in dos_file.S */ 142 143 void module_add(char *); 144 void splash_add(char *); 145 void rnd_add(char *); 146 void fs_add(char *); 147 void userconf_add(char *); 148 149 struct btinfo_framebuffer; 150 void framebuffer_configure(struct btinfo_framebuffer *); 151 152 #endif /* __I386_STAND_LIBI386_H__ */ 153