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freebsd-dev/usr.bin/doscmd/doscmd.h
jlemon 1aa41d064d Add support for EMS emulation to doscmd. This requires changing the 
interface for callbacks to doscmd from DOS, obsoleting the instbsdi
redirector.  (redir.com replaces it)

A temporary hack is in place so the instbsdi program will (hopefully) work
in the short term.
Submitted by:	Helmut F. Wirth <hfwirth@ping.at>
1997-09-30 22:04:06 +00:00

286 lines
7.9 KiB
C
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/*
* Copyright (c) 1992, 1993, 1996
* Berkeley Software Design, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Berkeley Software
* Design, Inc.
*
* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* BSDI doscmd.h,v 2.3 1996/04/08 19:32:32 bostic Exp
*
* $Id: doscmd.h,v 1.2 1997/08/15 23:41:24 jlemon Exp $
*/
#ifdef __NetBSD__
#define USE_VM86
#endif
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <dirent.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <machine/frame.h>
#include <machine/psl.h>
#include <machine/npx.h>
#ifdef USE_VM86
#include <machine/vm86.h>
#endif
#include "register.h"
#include "dos.h"
#include "callback.h"
#include "cwd.h"
/*
** assorted hardware/scope constants
*/
#define MAX_AVAIL_SEG 0xa000
#define MAXPORT 0x400
#define N_PARALS_MAX 3
#define N_COMS_MAX 4 /* DOS restriction (sigh) */
struct vconnect_area {
int int_state;
int magic; /* 0x4242 -> PRB format */
u_long passthru[256>>5]; /* bitmap of INTs to handle */
u_long magiciret[2]; /* Bounds of "magic" IRET */
};
extern struct vconnect_area vconnect_area;
#define IntState vconnect_area.int_state
/* debug.c */
extern int vflag;
extern int tmode;
extern FILE *debugf;
extern int debug_flags;
/* Lower 8 bits are int number */
#define D_ALWAYS 0x0000100 /* always emit this message */
#define D_TRAPS 0x0000200 /* trap-related activity */
#define D_FILE_OPS 0x0000400 /* file-related activity */
#define D_MEMORY 0x0000800 /* memory-related activity */
#define D_HALF 0x0001000 /* for "half-implemented" system calls */
#define D_FLOAT 0x0002000 /* ??? */
#define D_DISK 0x0004000 /* disk (not file) operations */
#define D_TRAPS2 0x0008000
#define D_PORT 0x0010000 /* port accesses */
#define D_EXEC 0x0020000
#define D_ITRAPS 0x0040000
#define D_REDIR 0x0080000 /* redirector functions */
#define D_PRINTER 0x0100000
#define D_TRAPS3 0x0200000
#define D_DEBUGIN 0x0400000
#define D_DOSCALL 0x0800000 /* MS-DOS function results */
#define D_XMS 0x1000000 /* XMS calls */
#define D_EMS 0x2000000 /* EMS calls */
#define TTYF_ECHO 0x00000001
#define TTYF_ECHONL 0x00000003
#define TTYF_CTRL 0x00000004
#define TTYF_BLOCK 0x00000008
#define TTYF_POLL 0x00000010
#define TTYF_REDIRECT 0x00010000 /* Cannot have 0xffff bits set */
#define TTYF_ALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT)
#define TTYF_BLOCKALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT | TTYF_BLOCK)
extern void unknown_int2(int, int, regcontext_t *REGS);
extern void unknown_int3(int, int, int, regcontext_t *REGS);
extern void unknown_int4(int, int, int, int, regcontext_t *REGS);
extern void fatal (char *fmt, ...);
extern void debug (int flags, char *fmt, ...);
extern void dump_regs(regcontext_t *REGS);
extern void debug_set(int x);
extern void debug_unset(int x);
extern u_long debug_isset(int x);
/* doscmd.c */
extern int capture_fd;
extern int dead;
extern int xmode;
extern int booting;
extern int raw_kbd;
extern int timer_disable;
extern char cmdname[];
extern struct timeval boot_time;
extern unsigned long *ivec;
extern int open_prog(char *name);
extern void done(regcontext_t *REGS, int val);
extern void quit(int);
extern void call_on_quit(void (*)(void *), void *);
/* signal.c */
extern struct sigframe *saved_sigframe;
extern regcontext_t *saved_regcontext;
extern int saved_valid;
extern void setsignal(int s, void (*h)(struct sigframe *));
/* cmos.c */
extern time_t delta_clock;
extern void cmos_init(void);
/* config.c */
extern int read_config(FILE *fp);
/* tty.c */
extern char *xfont;
/* setver.c */
extern void setver(char *, short);
extern short getver(char *);
/* mem.c */
extern char *dosmem;
extern void mem_init(void);
extern int mem_alloc(int size, int owner, int *biggestp);
extern int mem_adjust(int addr, int size, int *availp);
extern void mem_free_owner(int owner);
extern void mem_change_owner(int addr, int owner);
/* intff.c */
extern int int2f_11(regcontext_t *REGS);
extern void intff(regcontext_t *REGS);
/* emuint.c */
extern void emuint(regcontext_t *REGS);
/* trap.c */
extern void fake_int(regcontext_t *REGS, int);
extern void sigtrap(struct sigframe *sf);
extern void sigtrace(struct sigframe *sf);
extern void sigalrm(struct sigframe *sf);
extern void sigill(struct sigframe *sf);
extern void sigfpe(struct sigframe *sf);
extern void breakpoint(struct sigframe *sf);
#ifdef USE_VM86
extern void sigurg(struct sigframe *sf);
#else
extern void sigbus(struct sigframe *sf);
#endif
/* int.c */
extern void softint(int intnum);
extern void hardint(int intnum);
extern void delay_interrupt(int intnum, void (*func)(int));
extern void resume_interrupt(void);
/* bios.c */
#define BIOSDATA ((u_char *)0x400)
extern unsigned long rom_config;
extern int nfloppies;
extern int ndisks;
extern int nserial;
extern int nparallel;
extern volatile int poll_cnt;
extern void wakeup_poll(void);
extern void reset_poll(void);
extern void sleep_poll(void);
/* int13.c */
extern int init_hdisk(int drive, int cyl, int head, int tracksize,
char *file, char *boot_sector);
extern int init_floppy(int drive, int type, char *file);
extern int disk_fd(int drive);
extern void make_readonly(int drive);
extern int search_floppy(int i);
extern void disk_bios_init(void);
/* int17.c */
extern void lpt_poll(void);
extern void printer_direct(int printer);
extern void printer_spool(int printer, char *print_queue);
extern void printer_timeout(int printer, char *time_out);
/* xms.c */
extern int int2f_43(regcontext_t *REGS);
extern void get_raw_extmemory_info(regcontext_t *REGS);
extern void initHMA(void);
extern u_long xms_maxsize;
/* ems.c */
extern int ems_init();
extern void ems_entry(regcontext_t *REGS);
extern u_long ems_frame_addr;
/****************************** dirty below here ******************************/
extern u_long pending[]; /* pending interrupts */
extern int n_pending;
u_char *VREG;
extern int nmice;
extern int redirect0;
extern int redirect1;
extern int redirect2;
extern int kbd_fd;
extern int jmp_okay;
void put_dosenv(char *value);
/* TTY subsystem XXX rewrite! */
int tty_eread(REGISTERS, int, int);
void tty_write(int, int);
void tty_rwrite(int, int, int);
void tty_move(int, int);
void tty_report(int *, int *);
void tty_flush();
void tty_index();
void tty_pause();
int tty_peek(REGISTERS, int);
int tty_state();
void tty_scroll(int, int, int, int, int, int);
void tty_rscroll(int, int, int, int, int, int);
int tty_char(int, int);
void video_setborder(int);
void outb_traceport(int, unsigned char);
unsigned char inb_traceport(int);
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