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295 lines
8.2 KiB
C
295 lines
8.2 KiB
C
/*
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* Copyright (c) 1992, 1993, 1996
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* Berkeley Software Design, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Berkeley Software
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* Design, Inc.
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*
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* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* BSDI doscmd.h,v 2.3 1996/04/08 19:32:32 bostic Exp
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*
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* $FreeBSD$
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*/
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#ifdef __NetBSD__
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#define USE_VM86
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#endif
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/signalvar.h>
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#include <machine/sigframe.h>
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#include <machine/frame.h>
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#include <machine/psl.h>
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#include <machine/npx.h>
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#ifdef USE_VM86
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#include <machine/vm86.h>
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#endif
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#include "register.h"
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#include "dos.h"
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#include "callback.h"
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#include "cwd.h"
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#define drlton(a) ((islower((a)) ? toupper((a)) : (a)) - 'A')
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#define drntol(a) ((a) + 'A')
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/*
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** assorted hardware/scope constants
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*/
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#define MAX_AVAIL_SEG 0xa000
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#define MAXPORT 0x400
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#define N_PARALS_MAX 3
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#define N_COMS_MAX 4 /* DOS restriction (sigh) */
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struct vconnect_area {
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int int_state;
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int magic; /* 0x4242 -> PRB format */
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u_long passthru[256>>5]; /* bitmap of INTs to handle */
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u_long magiciret[2]; /* Bounds of "magic" IRET */
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};
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extern struct vconnect_area vconnect_area;
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#define IntState vconnect_area.int_state
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/* debug.c */
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extern int vflag;
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extern int tmode;
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extern FILE *debugf;
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extern int debug_flags;
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/* Lower 8 bits are int number */
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#define D_ALWAYS 0x0000100 /* always emit this message */
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#define D_TRAPS 0x0000200 /* trap-related activity */
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#define D_FILE_OPS 0x0000400 /* file-related activity */
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#define D_MEMORY 0x0000800 /* memory-related activity */
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#define D_HALF 0x0001000 /* for "half-implemented" system calls */
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#define D_FLOAT 0x0002000 /* ??? */
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#define D_DISK 0x0004000 /* disk (not file) operations */
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#define D_TRAPS2 0x0008000
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#define D_PORT 0x0010000 /* port accesses */
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#define D_EXEC 0x0020000
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#define D_ITRAPS 0x0040000
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#define D_REDIR 0x0080000 /* redirector functions */
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#define D_PRINTER 0x0100000
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#define D_TRAPS3 0x0200000
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#define D_DEBUGIN 0x0400000
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#define D_DOSCALL 0x0800000 /* MS-DOS function results */
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#define D_XMS 0x1000000 /* XMS calls */
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#define D_EMS 0x2000000 /* EMS calls */
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#define TTYF_ECHO 0x00000001
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#define TTYF_ECHONL 0x00000003
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#define TTYF_CTRL 0x00000004
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#define TTYF_BLOCK 0x00000008
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#define TTYF_POLL 0x00000010
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#define TTYF_REDIRECT 0x00010000 /* Cannot have 0xffff bits set */
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#define TTYF_ALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT)
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#define TTYF_BLOCKALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT | TTYF_BLOCK)
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extern void unknown_int2(int, int, regcontext_t *REGS);
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extern void unknown_int3(int, int, int, regcontext_t *REGS);
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extern void unknown_int4(int, int, int, int, regcontext_t *REGS);
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extern void fatal (char *fmt, ...);
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extern void debug (int flags, char *fmt, ...);
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extern void dump_regs(regcontext_t *REGS);
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extern void debug_set(int x);
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extern void debug_unset(int x);
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extern u_long debug_isset(int x);
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/* doscmd.c */
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extern int capture_fd;
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extern int dead;
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extern int xmode;
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extern int booting;
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extern int raw_kbd;
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extern int timer_disable;
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extern char cmdname[];
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extern struct timeval boot_time;
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extern unsigned long *ivec;
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extern int open_prog(char *name);
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extern void done(regcontext_t *REGS, int val);
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extern void quit(int);
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extern void call_on_quit(void (*)(void *), void *);
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extern void iomap_port(int port, int count);
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/* signal.c */
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extern struct sigframe *saved_sigframe;
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extern regcontext_t *saved_regcontext;
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extern int saved_valid;
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extern void setsignal(int s, void (*h)(struct sigframe *));
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/* cmos.c */
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extern time_t delta_clock;
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extern void cmos_init(void);
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/* config.c */
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extern int read_config(FILE *fp);
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/* tty.c */
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extern char *xfont;
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/* setver.c */
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extern void setver(char *, short);
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extern short getver(char *);
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/* mem.c */
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extern char *dosmem;
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extern void mem_init(void);
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extern int mem_alloc(int size, int owner, int *biggestp);
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extern int mem_adjust(int addr, int size, int *availp);
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extern void mem_free_owner(int owner);
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extern void mem_change_owner(int addr, int owner);
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/* intff.c */
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extern int int2f_11(regcontext_t *REGS);
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extern void intff(regcontext_t *REGS);
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/* emuint.c */
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extern void emuint(regcontext_t *REGS);
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/* trap.c */
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extern void fake_int(regcontext_t *REGS, int);
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extern void sigtrap(struct sigframe *sf);
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extern void sigtrace(struct sigframe *sf);
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extern void sigalrm(struct sigframe *sf);
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extern void sigill(struct sigframe *sf);
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extern void sigfpe(struct sigframe *sf);
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extern void breakpoint(struct sigframe *sf);
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#ifdef USE_VM86
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extern void sigurg(struct sigframe *sf);
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#else
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extern void sigbus(struct sigframe *sf);
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#endif
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/* int.c */
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extern void softint(int intnum);
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extern void hardint(int intnum);
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extern void delay_interrupt(int intnum, void (*func)(int));
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extern void resume_interrupt(void);
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/* bios.c */
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#define BIOSDATA ((u_char *)0x400)
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extern unsigned long rom_config;
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extern int nfloppies;
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extern int ndisks;
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extern int nserial;
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extern int nparallel;
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extern volatile int poll_cnt;
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extern void wakeup_poll(void);
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extern void reset_poll(void);
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extern void sleep_poll(void);
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/* int13.c */
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extern int init_hdisk(int drive, int cyl, int head, int tracksize,
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char *file, char *boot_sector);
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extern int init_floppy(int drive, int type, char *file);
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extern int disk_fd(int drive);
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extern void make_readonly(int drive);
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extern int search_floppy(int i);
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extern void disk_bios_init(void);
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/* int17.c */
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extern void lpt_poll(void);
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extern void printer_direct(int printer);
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extern void printer_spool(int printer, char *print_queue);
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extern void printer_timeout(int printer, char *time_out);
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/* xms.c */
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extern int int2f_43(regcontext_t *REGS);
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extern void get_raw_extmemory_info(regcontext_t *REGS);
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extern void initHMA(void);
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extern u_long xms_maxsize;
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/* ems.c */
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extern int ems_init();
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extern void ems_entry(regcontext_t *REGS);
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extern u_long ems_frame_addr;
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/****************************** dirty below here ******************************/
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extern u_long pending[]; /* pending interrupts */
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extern int n_pending;
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u_char *VREG;
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extern int nmice;
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extern int redirect0;
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extern int redirect1;
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extern int redirect2;
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extern int kbd_fd;
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extern int jmp_okay;
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void put_dosenv(char *value);
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/* TTY subsystem XXX rewrite! */
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int tty_eread(REGISTERS, int, int);
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void tty_write(int, int);
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void tty_rwrite(int, int, int);
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void tty_move(int, int);
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void tty_report(int *, int *);
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void tty_flush();
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void tty_index();
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void tty_pause();
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int tty_peek(REGISTERS, int);
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int tty_state();
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void tty_scroll(int, int, int, int, int, int);
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void tty_rscroll(int, int, int, int, int, int);
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int tty_char(int, int);
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void video_setborder(int);
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void outb_traceport(int, unsigned char);
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unsigned char inb_traceport(int);
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void outb_port(int, unsigned char);
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unsigned char inb_port(int);
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