1/* $NetBSD: libi386.h,v 1.47 2019/10/18 01:24:51 manu 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 32typedef unsigned long physaddr_t; 33 34/* this is in startup code */ 35void vpbcopy(const void *, void *, size_t); 36void pvbcopy(const void *, void *, size_t); 37void pbzero(void *, size_t); 38physaddr_t vtophys(void *); 39 40ssize_t pread(int, void *, size_t); 41void startprog(physaddr_t, uint32_t, uint32_t *, physaddr_t); 42void multiboot(physaddr_t, physaddr_t, physaddr_t, uint32_t); 43 44int exec_netbsd(const char *, physaddr_t, int, int, void (*)(void)); 45int exec_multiboot(const char *, char *); 46 47void delay(int); 48int getbasemem(void); 49int getextmemx(void); 50int getextmem1(void); 51int biosvideomode(void); 52#ifdef CONSERVATIVE_MEMDETECT 53#define getextmem() getextmem1() 54#else 55#define getextmem() getextmemx() 56#endif 57void printmemlist(void); 58void reboot(void); 59void gateA20(void); 60 61void clear_pc_screen(void); 62void initio(int); 63#define CONSDEV_PC 0 64#define CONSDEV_COM0 1 65#define CONSDEV_COM1 2 66#define CONSDEV_COM2 3 67#define CONSDEV_COM3 4 68#define CONSDEV_COM0KBD 5 69#define CONSDEV_COM1KBD 6 70#define CONSDEV_COM2KBD 7 71#define CONSDEV_COM3KBD 8 72#define CONSDEV_AUTO (-1) 73int iskey(int); 74char awaitkey(int, int); 75void wait_sec(int); 76 77/* multiboot */ 78struct multiboot_package; 79struct multiboot_package_priv; 80 81struct multiboot_package { 82 int mbp_version; 83 struct multiboot_header *mbp_header; 84 const char *mbp_file; 85 char *mbp_args; 86 u_long mbp_basemem; 87 u_long mbp_extmem; 88 u_long mbp_loadaddr; 89 u_long *mbp_marks; 90 struct multiboot_package_priv*mbp_priv; 91 struct multiboot_package*(*mbp_probe)(const char *); 92 int (*mbp_exec)(struct multiboot_package *); 93 void (*mbp_cleanup)(struct multiboot_package *); 94}; 95 96struct multiboot_package *probe_multiboot1(const char *); 97struct multiboot_package *probe_multiboot2(const char *); 98 99/* this is in "user code"! */ 100int parsebootfile(const char *, char **, char **, int *, int *, const char **); 101 102#ifdef XMS 103physaddr_t ppbcopy(physaddr_t, physaddr_t, int); 104int checkxms(void); 105physaddr_t xmsalloc(int); 106#endif 107 108/* parseutils.c */ 109char *gettrailer(char *); 110int parseopts(const char *, int *); 111int parseboot(char *, char **, int *); 112 113/* menuutils.c */ 114struct bootblk_command { 115 const char *c_name; 116 void (*c_fn)(char *); 117}; 118void bootmenu(void); 119void docommand(char *); 120 121/* in "user code": */ 122void command_help(char *); 123extern const struct bootblk_command commands[]; 124 125/* asm bios/dos calls */ 126__compactcall int biosdisk_extread(int, void *); 127int biosdisk_read(int, int, int, int, int, void *); 128__compactcall int biosdisk_reset(int); 129 130__compactcall int biosgetrtc(u_long *); 131int biosgetsystime(void); 132int comgetc(int); 133void cominit(int); 134__compactcall int computc(int, int); 135int comstatus(int); 136int congetc(void); 137int conisshift(void); 138int coniskey(void); 139__compactcall void conputc(int); 140void conclr(void); 141 142int getextmem2(int *); 143__compactcall int getextmemps2(void *); 144int getmementry(int *, int *); 145 146__compactcall int biosdisk_int13ext(int); 147__compactcall int biosdisk_getinfo(int); 148struct biosdisk_extinfo; 149__compactcall int biosdisk_getextinfo(int, struct biosdisk_extinfo *); 150int get_harddrives(void); 151void biosdisk_probe(void); 152 153int pcibios_cfgread(unsigned int, int, int *); 154int pcibios_cfgwrite(unsigned int, int, int); 155int pcibios_finddev(int, int, int, unsigned int *); 156int pcibios_present(int *); 157 158void dosclose(int); 159int dosopen(char *); 160int dosread(int, char *, int); 161int dosseek(int, int, int); 162extern int doserrno; /* in dos_file.S */ 163 164void module_add(char *); 165void splash_add(char *); 166void rnd_add(char *); 167void fs_add(char *); 168void userconf_add(char *); 169void module_add_split(const char *, uint8_t); 170 171struct btinfo_framebuffer; 172void framebuffer_configure(struct btinfo_framebuffer *); 173 174void ksyms_addr_set(void *, void *, void *); 175 176#endif /* __I386_STAND_LIBI386_H__ */ 177