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libi386.h revision 1.15.2.6 
      1 /*	$NetBSD: libi386.h,v 1.15.2.6 2005/11/10 13:56:54 skrll 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(int);
     68 char awaitkey(int, int);
     69 
     70 /* this is in "user code"! */
     71 int parsebootfile(const char *, char **, char **, int *, int *, const char **);
     72 
     73 #ifdef XMS
     74 physaddr_t ppbcopy(physaddr_t, physaddr_t, int);
     75 int checkxms(void);
     76 physaddr_t xmsalloc(int);
     77 #endif
     78 
     79 /* parseutils.c */
     80 char *gettrailer(char *);
     81 int parseopts(const char *, int *);
     82 int parseboot(char *, char **, int *);
     83 
     84 /* menuutils.c */
     85 struct bootblk_command {
     86 	const char *c_name;
     87 	void (*c_fn)(char *);
     88 };
     89 void bootmenu(void);
     90 void docommand(char *);
     91 
     92 /* getsecs.c */
     93 time_t getsecs(void);
     94 
     95 /* in "user code": */
     96 void command_help(char *);
     97 extern const struct bootblk_command commands[];
     98 
     99 /* asm bios/dos calls */
    100 int biosdisk_extread(int, void *);
    101 int biosdisk_read(int, int, int, int, int, void *);
    102 int biosdisk_reset(int);
    103 
    104 int biosgetrtc(u_long *);
    105 int biosgetsystime(void);
    106 int comgetc(int);
    107 void cominit(int);
    108 int computc(int, int);
    109 int comstatus(int);
    110 int congetc(void);
    111 int conisshift(void);
    112 int coniskey(void);
    113 void conputc(int);
    114 
    115 int getextmem2(int *);
    116 int getextmemps2(void *);
    117 int getmementry(int *, int *);
    118 
    119 int biosdisk_int13ext(int);
    120 int biosdisk_getinfo(int);
    121 struct biosdisk_extinfo;
    122 void biosdisk_getextinfo(int, struct biosdisk_extinfo *);
    123 int get_harddrives(void);
    124 
    125 int pcibios_cfgread(unsigned int, int, int *);
    126 int pcibios_cfgwrite(unsigned int, int, int);
    127 int pcibios_finddev(int, int, int, unsigned int *);
    128 int pcibios_present(int *);
    129 
    130 void dosclose(int);
    131 int dosopen(char *);
    132 int dosread(int, char *, int);
    133 int dosseek(int, int, int);
    134 extern int doserrno;	/* in dos_file.S */
    135