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libi386.h revision 1.40.6.2 
      1 /*	$NetBSD: libi386.h,v 1.40.6.2 2017/08/28 17:51:41 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 #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