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libi386.h revision 1.23.78.2 
      1 /*	$NetBSD: libi386.h,v 1.23.78.2 2009/09/16 13:37:39 yamt 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 void multiboot(physaddr_t, physaddr_t, physaddr_t);
     40 
     41 int exec_netbsd(const char *, physaddr_t, int, int, void (*)(void));
     42 int exec_multiboot(const char *, char *);
     43 
     44 void delay(int);
     45 int getbasemem(void);
     46 int getextmemx(void);
     47 int getextmem1(void);
     48 int biosvideomode(void);
     49 #ifdef CONSERVATIVE_MEMDETECT
     50 #define getextmem() getextmem1()
     51 #else
     52 #define getextmem() getextmemx()
     53 #endif
     54 void printmemlist(void);
     55 void reboot(void);
     56 void gateA20(void);
     57 
     58 void clear_pc_screen(void);
     59 void initio(int);
     60 #define CONSDEV_PC 0
     61 #define CONSDEV_COM0 1
     62 #define CONSDEV_COM1 2
     63 #define CONSDEV_COM2 3
     64 #define CONSDEV_COM3 4
     65 #define CONSDEV_COM0KBD 5
     66 #define CONSDEV_COM1KBD 6
     67 #define CONSDEV_COM2KBD 7
     68 #define CONSDEV_COM3KBD 8
     69 #define CONSDEV_AUTO (-1)
     70 int iskey(int);
     71 char awaitkey(int, int);
     72 
     73 /* this is in "user code"! */
     74 int parsebootfile(const char *, char **, char **, int *, int *, const char **);
     75 
     76 #ifdef XMS
     77 physaddr_t ppbcopy(physaddr_t, physaddr_t, int);
     78 int checkxms(void);
     79 physaddr_t xmsalloc(int);
     80 #endif
     81 
     82 /* parseutils.c */
     83 char *gettrailer(char *);
     84 int parseopts(const char *, int *);
     85 int parseboot(char *, char **, int *);
     86 
     87 /* menuutils.c */
     88 struct bootblk_command {
     89 	const char *c_name;
     90 	void (*c_fn)(char *);
     91 };
     92 void bootmenu(void);
     93 void docommand(char *);
     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 void conclr(void);
    115 
    116 int getextmem2(int *);
    117 int getextmemps2(void *);
    118 int getmementry(int *, int *);
    119 
    120 int biosdisk_int13ext(int);
    121 int biosdisk_getinfo(int);
    122 struct biosdisk_extinfo;
    123 void biosdisk_getextinfo(int, struct biosdisk_extinfo *);
    124 int get_harddrives(void);
    125 void biosdisk_probe(void);
    126 
    127 int pcibios_cfgread(unsigned int, int, int *);
    128 int pcibios_cfgwrite(unsigned int, int, int);
    129 int pcibios_finddev(int, int, int, unsigned int *);
    130 int pcibios_present(int *);
    131 
    132 void dosclose(int);
    133 int dosopen(char *);
    134 int dosread(int, char *, int);
    135 int dosseek(int, int, int);
    136 extern int doserrno;	/* in dos_file.S */
    137 
    138 void module_add(char *);
    139 
    140 struct btinfo_framebuffer;
    141 void framebuffer_configure(struct btinfo_framebuffer *);
    142