usr.bin/doscmd/doscmd.h

   1 /*
   2  * Copyright (c) 1992, 1993, 1996
   3  *      Berkeley Software Design, Inc.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by Berkeley Software
  16  *      Design, Inc.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  *      BSDI doscmd.h,v 2.3 1996/04/08 19:32:32 bostic Exp
  31  *
  32  * $FreeBSD: src/usr.bin/doscmd/doscmd.h,v 1.7.2.1 2002/04/25 11:04:51 tg Exp $
  33  * $DragonFly: src/usr.bin/doscmd/doscmd.h,v 1.2 2003/06/17 04:29:26 dillon Exp $
  34  */
  35
  36
  37 #ifdef __NetBSD__
  38 #define USE_VM86
  39 #endif
  40
  41 #include <sys/param.h>
  42 #include <sys/types.h>
  43 #include <sys/time.h>
  44 #include <sys/stat.h>
  45
  46 #include <dirent.h>
  47 #include <fcntl.h>
  48 #include <signal.h>
  49 #include <stdio.h>
  50 #include <stdlib.h>
  51 #include <string.h>
  52 #include <ucontext.h>
  53 #include <errno.h>
  54
  55 #include <sys/signalvar.h>
  56 #include <machine/sigframe.h>
  57
  58 #include <machine/frame.h>
  59 #include <machine/psl.h>
  60 #include <machine/npx.h>
  61 #ifdef USE_VM86
  62 #include <machine/vm86.h>
  63 #endif
  64
  65 #include "register.h"
  66 #include "dos.h"
  67 #include "callback.h"
  68
  69 #define drlton(a)       ((islower((a)) ? toupper((a)) : (a)) - 'A')
  70 #define drntol(a)       ((a) + 'A')
  71
  72 /*
  73 ** assorted hardware/scope constants
  74 */
  75
  76 #define MAX_AVAIL_SEG   0xa000
  77
  78 #define MAXPORT         0x400
  79
  80 #define N_PARALS_MAX    3
  81 #define N_COMS_MAX      4       /* DOS restriction (sigh) */
  82
  83 struct vconnect_area {
  84         int     int_state;
  85         int     magic;                  /* 0x4242 -> PRB format */
  86         u_long  passthru[256>>5];       /* bitmap of INTs to handle */
  87         u_long  magiciret[2];           /* Bounds of "magic" IRET */
  88 };
  89 extern struct vconnect_area vconnect_area;
  90 #define IntState vconnect_area.int_state
  91
  92 /* ParseBuffer.c */
  93 int     ParseBuffer(char *, char **, int);
  94
  95 /* bios.c */
  96 #define BIOSDATA        ((u_char *)0x400)
  97 extern unsigned long    rom_config;
  98 extern int nfloppies;
  99 extern int ndisks;
 100 extern int nserial;
 101 extern int nparallel;
 102
 103 extern volatile int     poll_cnt;
 104 void    bios_init(void);
 105 void    wakeup_poll(void);
 106 void    reset_poll(void);
 107 void    sleep_poll(void);
 108
 109 /* cmos.c */
 110 extern time_t   delta_clock;
 111
 112 void    cmos_init(void);
 113
 114 /* config.c */
 115 int     read_config(FILE *fp);
 116
 117 /* cpu.c */
 118 void    cpu_init(void);
 119 int     emu_instr(regcontext_t *);
 120 void    int00(regcontext_t *);
 121 void    int01(regcontext_t *);
 122 void    int03(regcontext_t *);
 123 void    int0d(regcontext_t *);
 124
 125 /* debug.c */
 126 extern int      vflag;
 127 extern int      tmode;
 128 extern FILE     *debugf;
 129 extern int      debug_flags;
 130
 131 /* Lower 8 bits are int number */
 132 #define D_ALWAYS        0x0000100       /* always emit this message */
 133 #define D_TRAPS         0x0000200       /* trap-related activity */
 134 #define D_FILE_OPS      0x0000400       /* file-related activity */
 135 #define D_MEMORY        0x0000800       /* memory-related activity */
 136 #define D_HALF          0x0001000       /* "half-implemented" system calls */
 137 #define D_FLOAT         0x0002000       /* ??? */
 138 #define D_DISK          0x0004000       /* disk (not file) operations */
 139 #define D_TRAPS2        0x0008000
 140 #define D_PORT          0x0010000       /* port accesses */
 141 #define D_EXEC          0x0020000
 142 #define D_ITRAPS        0x0040000
 143 #define D_REDIR         0x0080000       /* redirector functions */
 144 #define D_PRINTER       0x0100000
 145 #define D_TRAPS3        0x0200000
 146 #define D_DEBUGIN       0x0400000
 147 #define D_DOSCALL       0x0800000       /* MS-DOS function results */
 148 #define D_XMS           0x1000000       /* XMS calls */
 149 #define D_EMS           0x2000000       /* EMS calls */
 150 #define D_VIDEO         0x4000000       /* video-related activity */
 151
 152 #define TTYF_ECHO       0x00000001
 153 #define TTYF_ECHONL     0x00000003
 154 #define TTYF_CTRL       0x00000004
 155 #define TTYF_BLOCK      0x00000008
 156 #define TTYF_POLL       0x00000010
 157 #define TTYF_REDIRECT   0x00010000      /* Cannot have 0xffff bits set */
 158
 159 #define TTYF_ALL        (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT)
 160 #define TTYF_BLOCKALL   (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT | TTYF_BLOCK)
 161
 162 void    unknown_int2(int, int, regcontext_t *);
 163 void    unknown_int3(int, int, int, regcontext_t *);
 164 void    unknown_int4(int, int, int, int, regcontext_t *);
 165 void    fatal(const char *, ...) __printflike(1, 2);
 166 void    debug(int, const char *, ...) __printflike(2, 3);
 167 void    dump_regs(regcontext_t *);
 168 void    debug_set(int);
 169 void    debug_unset(int);
 170 u_long  debug_isset(int);
 171
 172 /* disktab.c */
 173 int     map_type(int, int *, int *, int *);
 174
 175 /* doscmd.c */
 176 extern int              capture_fd;
 177 extern int              dead;
 178 extern int              xmode;
 179 extern int              booting;
 180 extern int              raw_kbd;
 181 extern int              timer_disable;
 182 extern char             cmdname[];
 183 extern struct timeval   boot_time;
 184 extern unsigned long    *ivec;
 185
 186 int     _prog(char *);
 187 void    call_on_quit(void (*)(void *), void *);
 188 void    done(regcontext_t *, int);
 189 void    iomap_port(int, int);
 190 int     open_prog(char *);
 191 void    put_dosenv(const char *);
 192 void    quit(int);
 193 int     squirrel_fd(int);
 194
 195 /* ems.c */
 196 int     ems_init(void);
 197 void    ems_entry(regcontext_t *);
 198
 199 /* emuint.c */
 200 extern void     emuint(regcontext_t *REGS);
 201
 202 /* i386-pinsn.c */
 203 extern int      i386dis(unsigned short, unsigned short,
 204     unsigned char *, char *, int);
 205
 206 /* int.c */
 207 void    init_ints(void);
 208 int     isinhardint(int);
 209 void    softint(int);
 210 void    hardint(int);
 211 void    resume_interrupt(void);
 212 void    unpend(int);
 213 void    send_eoi(void);
 214 void    set_eoir(int, void (*)(void *), void *);
 215
 216 /* int10.c */
 217 extern void     int10(regcontext_t *);
 218
 219 /* int13.c */
 220 extern int      init_hdisk(int drive, int cyl, int head, int tracksize,
 221                            char *file, char *boot_sector);
 222 extern int      init_floppy(int drive, int type, char *file);
 223 extern int      disk_fd(int drive);
 224 extern void     make_readonly(int drive);
 225 extern int      search_floppy(int i);
 226 extern void     disk_bios_init(void);
 227
 228 /* int16.c */
 229 void    int16(regcontext_t *);
 230
 231 /* int17.c */
 232 void    int17(regcontext_t *);
 233 void    lpt_poll(void);
 234 void    printer_direct(int printer);
 235 void    printer_spool(int printer, char *print_queue);
 236 void    printer_timeout(int printer, char *time_out);
 237
 238 /* int1a.c */
 239 void    int1a(regcontext_t *);
 240
 241 /* int2f.c */
 242 extern void     int2f(regcontext_t *);
 243
 244 /* intff.c */
 245 extern int      int2f_11(regcontext_t *REGS);
 246 extern void     intff(regcontext_t *REGS);
 247
 248 /* mem.c */
 249 extern char     *dosmem;
 250
 251 extern void     mem_init(void);
 252 extern int      mem_alloc(int size, int owner, int *biggestp);
 253 extern int      mem_adjust(int addr, int size, int *availp);
 254 extern void     mem_free_owner(int owner);
 255 extern void     mem_change_owner(int addr, int owner);
 256
 257 /* mouse.c */
 258 void    int33(regcontext_t *);
 259 void    mouse_init(void);
 260
 261 /* net.c */
 262 void    net_init(void);
 263
 264 /* port.c */
 265 void    define_input_port_handler(int, unsigned char (*)(int));
 266 void    define_output_port_handler(int, void (*)(int, unsigned char));
 267 void    inb(regcontext_t *, int);
 268 unsigned char   inb_port(int);
 269 unsigned char   inb_speaker(int);
 270 unsigned char   inb_traceport(int);
 271 void    init_io_port_handlers(void);
 272 void    insb(regcontext_t *, int);
 273 void    insx(regcontext_t *, int);
 274 void    inx(regcontext_t *, int);
 275 void    outb(regcontext_t *, int);
 276 void    outb_port(int, unsigned char);
 277 void    outb_speaker(int, unsigned char);
 278 void    outb_traceport(int, unsigned char);
 279 void    outsb(regcontext_t *, int);
 280 void    outsx(regcontext_t *, int);
 281 void    outx(regcontext_t *, int);
 282 void    speaker_init(void);
 283
 284 /* setver.c */
 285 extern void     setver(char *, short);
 286 extern short    getver(char *);
 287
 288 /* signal.c */
 289 extern struct sigframe  *saved_sigframe;
 290 extern regcontext_t     *saved_regcontext;
 291 extern int              saved_valid;
 292 extern void             setsignal(int s, void (*h)(struct sigframe *));
 293
 294 /* timer.c */
 295 extern void     timer_init(void);
 296
 297 /* trace.c */
 298 extern int      resettrace(regcontext_t *);
 299 extern void     tracetrap(regcontext_t *);
 300
 301 /* xms.c */
 302 extern void     get_raw_extmemory_info(regcontext_t *REGS);
 303 extern int      int2f_43(regcontext_t *REGS);
 304 extern void     initHMA(void);
 305 extern void     xms_init(void);
 306 extern u_long   xms_maxsize;
 307
 308 /****************************** dirty below here *****************************/extern int nmice;