/* * 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 */ #ifdef __NetBSD__ #define USE_VM86 #endif #include #include #include #include #include #include #include #include #include #include #include #ifdef USE_VM86 #include #endif #include "dos.h" #include "callback.h" #include "cwd.h" #include "config.h" #define MAX_AVAIL_SEG 0xa000 char *dosmem; char cmdname[]; int dosmem_size; int pspseg; /* segment # of PSP */ int curpsp; struct timeval boot_time; #ifndef USE_VM86 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 */ }; #define PRB_V86_FORMAT 0x4242 #endif extern struct sigframe *saved_sigframe; int vflag; int tmode; #define GET16(x) (x & 0xffff) #define GET8L(x) (x & 0xff) #define GET8H(x) ((x >> 8) & 0xff) #define SET16(x, y) (x = (x & ~0xffff) | (y & 0xffff)) #define SET8L(x, y) (x = (x & ~0xff) | (y & 0xff)) #define SET8H(x, y) (x = (x & ~0xff00) | ((y & 0xff) << 8)) #define PUTVEC(s, o, x) (SET16(s, x >> 16), SET16(o, x)) #define MAKEVEC(s, o) (((s) << 16) + (o)) #define GETVEC(s, o) MAKEVEC(GET16(s), GET16(o)) #define PUTPTR(s, o, x) (SET16(s, (x & 0xf0000) >> 4), SET16(o, x)) #define MAKEPTR(s, o) (((s) << 4) + (o)) #define GETPTR(s, o) MAKEPTR(GET16(s), GET16(o)) #define VECPTR(x) MAKEPTR((x) >> 16, (x) & 0xffff) inline static void PUSH(u_short x, struct sigcontext *sc) { SET16(sc->sc_esp, GET16(sc->sc_esp) - 2); *(u_short *)GETPTR(sc->sc_ss, sc->sc_esp) = x; } inline static u_short POP(struct sigcontext *sc) { u_short x; x = *(u_short *)GETPTR(sc->sc_ss, sc->sc_esp); SET16(sc->sc_esp, GET16(sc->sc_esp) + 2); return (x); } unsigned long disk_transfer_addr; u_char *VREG; #define BIOSDATA ((u_char *)0x400) unsigned long rom_config; void dump_regs (); void fake_int(struct sigcontext *sc, int); void mem_init (void); int mem_alloc (int, int, int *); int mem_adjust (int, int, int *); void fatal (char *fmt, ...); void debug (int flags, char *fmt, ...); int translate_filename(u_char *, u_char *, int *); int debug_flags; /* Lower 8 bits are int number */ #define D_ALWAYS 0x0000100 #define D_TRAPS 0x0000200 #define D_FILE_OPS 0x0000400 #define D_MEMORY 0x0000800 #define D_HALF 0x0001000 /* for "half-implemented" system calls */ #define D_FLOAT 0x0002000 #define D_DISK 0x0004000 #define D_TRAPS2 0x0008000 #define D_PORT 0x0010000 #define D_EXEC 0x0020000 #define D_ITRAPS 0x0040000 #define D_REDIR 0x0080000 #define D_PRINTER 0x0100000 #define D_TRAPS3 0x0200000 #define D_DEBUGIN 0x0400000 #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 int redirect0; extern int redirect1; extern int redirect2; extern int xmode; extern int dosmode; extern int raw_kbd; extern int kbd_fd; extern int booting; extern unsigned long *ivec; extern int jmp_okay; extern int dead; extern FILE *debugf; extern int nfloppies; extern int ndisks; extern int nserial; extern int nparallel; extern int nmice; extern struct sigframe *saved_sigframe; extern int saved_valid; int init_hdisk(int drive, int cyl, int head, int tracksize, char *file, char *boot_sector); int init_floppy(int drive, int type, char *file); int disk_fd(int drive); void put_dosenv(char *value); int tty_eread(struct sigcontext *, 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(struct sigcontext *, 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 unknown_int2(int, int, struct sigcontext *); void unknown_int3(int, int, int, struct sigcontext *); void unknown_int4(int, int, int, int, struct sigcontext *); void sigtrap(struct sigframe *); void sigtrace(struct sigframe *); void sigalrm(struct sigframe *); void sigill(struct sigframe *); void sigurg(struct sigframe *); void sigfpe(struct sigframe *); void breakpoint(struct sigframe *); void outb_traceport(int, unsigned char); unsigned char inb_traceport(int); void quit(int); void call_on_quit(void (*)(void *), void *);