2 * Copyright (c) 1992, 1993, 1996
3 * Berkeley Software Design, Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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
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
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30 * BSDI doscmd.h,v 2.3 1996/04/08 19:32:32 bostic Exp
40 #include <sys/param.h>
41 #include <sys/types.h>
53 #include <sys/signalvar.h>
54 #include <machine/sigframe.h>
56 #include <machine/frame.h>
57 #include <machine/psl.h>
58 #include <machine/npx.h>
60 #include <machine/vm86.h>
68 #define drlton(a) ((islower((a)) ? toupper((a)) : (a)) - 'A')
69 #define drntol(a) ((a) + 'A')
72 ** assorted hardware/scope constants
75 #define MAX_AVAIL_SEG 0xa000
79 #define N_PARALS_MAX 3
80 #define N_COMS_MAX 4 /* DOS restriction (sigh) */
82 struct vconnect_area {
84 int magic; /* 0x4242 -> PRB format */
85 u_long passthru[256>>5]; /* bitmap of INTs to handle */
86 u_long magiciret[2]; /* Bounds of "magic" IRET */
88 extern struct vconnect_area vconnect_area;
89 #define IntState vconnect_area.int_state
96 extern int debug_flags;
98 /* Lower 8 bits are int number */
99 #define D_ALWAYS 0x0000100 /* always emit this message */
100 #define D_TRAPS 0x0000200 /* trap-related activity */
101 #define D_FILE_OPS 0x0000400 /* file-related activity */
102 #define D_MEMORY 0x0000800 /* memory-related activity */
103 #define D_HALF 0x0001000 /* for "half-implemented" system calls */
104 #define D_FLOAT 0x0002000 /* ??? */
105 #define D_DISK 0x0004000 /* disk (not file) operations */
106 #define D_TRAPS2 0x0008000
107 #define D_PORT 0x0010000 /* port accesses */
108 #define D_EXEC 0x0020000
109 #define D_ITRAPS 0x0040000
110 #define D_REDIR 0x0080000 /* redirector functions */
111 #define D_PRINTER 0x0100000
112 #define D_TRAPS3 0x0200000
113 #define D_DEBUGIN 0x0400000
114 #define D_DOSCALL 0x0800000 /* MS-DOS function results */
115 #define D_XMS 0x1000000 /* XMS calls */
116 #define D_EMS 0x2000000 /* EMS calls */
118 #define TTYF_ECHO 0x00000001
119 #define TTYF_ECHONL 0x00000003
120 #define TTYF_CTRL 0x00000004
121 #define TTYF_BLOCK 0x00000008
122 #define TTYF_POLL 0x00000010
123 #define TTYF_REDIRECT 0x00010000 /* Cannot have 0xffff bits set */
125 #define TTYF_ALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT)
126 #define TTYF_BLOCKALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT | TTYF_BLOCK)
128 extern void unknown_int2(int, int, regcontext_t *REGS);
129 extern void unknown_int3(int, int, int, regcontext_t *REGS);
130 extern void unknown_int4(int, int, int, int, regcontext_t *REGS);
131 extern void fatal (char *fmt, ...);
132 extern void debug (int flags, char *fmt, ...);
133 extern void dump_regs(regcontext_t *REGS);
134 extern void debug_set(int x);
135 extern void debug_unset(int x);
136 extern u_long debug_isset(int x);
139 extern int capture_fd;
144 extern int timer_disable;
145 extern char cmdname[];
146 extern struct timeval boot_time;
147 extern unsigned long *ivec;
149 extern int open_prog(char *name);
150 extern void done(regcontext_t *REGS, int val);
151 extern void quit(int);
152 extern void call_on_quit(void (*)(void *), void *);
153 extern void iomap_port(int port, int count);
156 extern struct sigframe *saved_sigframe;
157 extern regcontext_t *saved_regcontext;
158 extern int saved_valid;
159 extern void setsignal(int s, void (*h)(struct sigframe *));
162 extern time_t delta_clock;
164 extern void cmos_init(void);
167 extern int read_config(FILE *fp);
173 extern void setver(char *, short);
174 extern short getver(char *);
179 extern void mem_init(void);
180 extern int mem_alloc(int size, int owner, int *biggestp);
181 extern int mem_adjust(int addr, int size, int *availp);
182 extern void mem_free_owner(int owner);
183 extern void mem_change_owner(int addr, int owner);
187 extern int int2f_11(regcontext_t *REGS);
188 extern void intff(regcontext_t *REGS);
191 extern void emuint(regcontext_t *REGS);
194 extern void fake_int(regcontext_t *REGS, int);
195 extern void sigtrap(struct sigframe *sf);
196 extern void sigtrace(struct sigframe *sf);
197 extern void sigalrm(struct sigframe *sf);
198 extern void sigill(struct sigframe *sf);
199 extern void sigfpe(struct sigframe *sf);
200 extern void breakpoint(struct sigframe *sf);
202 extern void sigurg(struct sigframe *sf);
204 extern void sigbus(struct sigframe *sf);
208 extern void softint(int intnum);
209 extern void hardint(int intnum);
211 extern void delay_interrupt(int intnum, void (*func)(int));
212 extern void resume_interrupt(void);
216 #define BIOSDATA ((u_char *)0x400)
217 extern unsigned long rom_config;
218 extern int nfloppies;
221 extern int nparallel;
223 extern volatile int poll_cnt;
224 extern void wakeup_poll(void);
225 extern void reset_poll(void);
226 extern void sleep_poll(void);
229 extern int init_hdisk(int drive, int cyl, int head, int tracksize,
230 char *file, char *boot_sector);
231 extern int init_floppy(int drive, int type, char *file);
232 extern int disk_fd(int drive);
233 extern void make_readonly(int drive);
234 extern int search_floppy(int i);
235 extern void disk_bios_init(void);
238 extern void lpt_poll(void);
239 extern void printer_direct(int printer);
240 extern void printer_spool(int printer, char *print_queue);
241 extern void printer_timeout(int printer, char *time_out);
244 extern int int2f_43(regcontext_t *REGS);
245 extern void get_raw_extmemory_info(regcontext_t *REGS);
246 extern void initHMA(void);
247 extern u_long xms_maxsize;
250 extern int ems_init();
251 extern void ems_entry(regcontext_t *REGS);
252 extern u_long ems_frame_addr;
254 /****************************** dirty below here ******************************/
256 extern u_long pending[]; /* pending interrupts */
257 extern int n_pending;
263 extern int redirect0;
264 extern int redirect1;
265 extern int redirect2;
271 void put_dosenv(char *value);
274 /* TTY subsystem XXX rewrite! */
275 int tty_eread(REGISTERS, int, int);
276 void tty_write(int, int);
277 void tty_rwrite(int, int, int);
278 void tty_move(int, int);
279 void tty_report(int *, int *);
283 int tty_peek(REGISTERS, int);
285 void tty_scroll(int, int, int, int, int, int);
286 void tty_rscroll(int, int, int, int, int, int);
287 int tty_char(int, int);
288 void video_setborder(int);
290 void outb_traceport(int, unsigned char);
291 unsigned char inb_traceport(int);
292 void outb_port(int, unsigned char);
293 unsigned char inb_port(int);