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
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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>
67 #define drlton(a) ((islower((a)) ? toupper((a)) : (a)) - 'A')
68 #define drntol(a) ((a) + 'A')
71 ** assorted hardware/scope constants
74 #define MAX_AVAIL_SEG 0xa000
78 #define N_PARALS_MAX 3
79 #define N_COMS_MAX 4 /* DOS restriction (sigh) */
81 struct vconnect_area {
83 int magic; /* 0x4242 -> PRB format */
84 u_long passthru[256>>5]; /* bitmap of INTs to handle */
85 u_long magiciret[2]; /* Bounds of "magic" IRET */
87 extern struct vconnect_area vconnect_area;
88 #define IntState vconnect_area.int_state
91 int ParseBuffer(char *, char **, int);
94 #define BIOSDATA ((u_char *)0x400)
95 extern unsigned long rom_config;
101 extern volatile int poll_cnt;
102 void bios_init(void);
103 void wakeup_poll(void);
104 void reset_poll(void);
105 void sleep_poll(void);
108 extern time_t delta_clock;
110 void cmos_init(void);
113 int read_config(FILE *fp);
117 int emu_instr(regcontext_t *);
118 void int00(regcontext_t *);
119 void int01(regcontext_t *);
120 void int03(regcontext_t *);
121 void int0d(regcontext_t *);
127 extern int debug_flags;
129 /* Lower 8 bits are int number */
130 #define D_ALWAYS 0x0000100 /* always emit this message */
131 #define D_TRAPS 0x0000200 /* trap-related activity */
132 #define D_FILE_OPS 0x0000400 /* file-related activity */
133 #define D_MEMORY 0x0000800 /* memory-related activity */
134 #define D_HALF 0x0001000 /* "half-implemented" system calls */
135 #define D_FLOAT 0x0002000 /* ??? */
136 #define D_DISK 0x0004000 /* disk (not file) operations */
137 #define D_TRAPS2 0x0008000
138 #define D_PORT 0x0010000 /* port accesses */
139 #define D_EXEC 0x0020000
140 #define D_ITRAPS 0x0040000
141 #define D_REDIR 0x0080000 /* redirector functions */
142 #define D_PRINTER 0x0100000
143 #define D_TRAPS3 0x0200000
144 #define D_DEBUGIN 0x0400000
145 #define D_DOSCALL 0x0800000 /* MS-DOS function results */
146 #define D_XMS 0x1000000 /* XMS calls */
147 #define D_EMS 0x2000000 /* EMS calls */
148 #define D_VIDEO 0x4000000 /* video-related activity */
150 #define TTYF_ECHO 0x00000001
151 #define TTYF_ECHONL 0x00000003
152 #define TTYF_CTRL 0x00000004
153 #define TTYF_BLOCK 0x00000008
154 #define TTYF_POLL 0x00000010
155 #define TTYF_REDIRECT 0x00010000 /* Cannot have 0xffff bits set */
157 #define TTYF_ALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT)
158 #define TTYF_BLOCKALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT | TTYF_BLOCK)
160 void unknown_int2(int, int, regcontext_t *);
161 void unknown_int3(int, int, int, regcontext_t *);
162 void unknown_int4(int, int, int, int, regcontext_t *);
163 void fatal(const char *, ...) __printflike(1, 2);
164 void debug(int, const char *, ...) __printflike(2, 3);
165 void dump_regs(regcontext_t *);
167 void debug_unset(int);
168 u_long debug_isset(int);
171 int map_type(int, int *, int *, int *);
174 extern int capture_fd;
179 extern int timer_disable;
180 extern char cmdname[];
181 extern struct timeval boot_time;
182 extern unsigned long *ivec;
185 void call_on_quit(void (*)(void *), void *);
186 void done(regcontext_t *, int);
187 void iomap_port(int, int);
188 int open_prog(char *);
189 void put_dosenv(const char *);
191 int squirrel_fd(int);
195 void ems_entry(regcontext_t *);
198 extern void emuint(regcontext_t *REGS);
201 extern int i386dis(unsigned short, unsigned short,
202 unsigned char *, char *, int);
205 extern void softint(int intnum);
206 extern void hardint(int intnum);
208 extern void delay_interrupt(int intnum, void (*func)(int));
209 extern void resume_interrupt(void);
212 extern void int10(regcontext_t *);
215 extern int init_hdisk(int drive, int cyl, int head, int tracksize,
216 char *file, char *boot_sector);
217 extern int init_floppy(int drive, int type, char *file);
218 extern int disk_fd(int drive);
219 extern void make_readonly(int drive);
220 extern int search_floppy(int i);
221 extern void disk_bios_init(void);
224 void int16(regcontext_t *);
227 void int17(regcontext_t *);
229 void printer_direct(int printer);
230 void printer_spool(int printer, char *print_queue);
231 void printer_timeout(int printer, char *time_out);
234 void int1a(regcontext_t *);
237 extern void int2f(regcontext_t *);
240 extern int int2f_11(regcontext_t *REGS);
241 extern void intff(regcontext_t *REGS);
246 extern void mem_init(void);
247 extern int mem_alloc(int size, int owner, int *biggestp);
248 extern int mem_adjust(int addr, int size, int *availp);
249 extern void mem_free_owner(int owner);
250 extern void mem_change_owner(int addr, int owner);
253 void int33(regcontext_t *);
254 void mouse_init(void);
260 void define_input_port_handler(int, unsigned char (*)(int));
261 void define_output_port_handler(int, void (*)(int, unsigned char));
262 void inb(regcontext_t *, int);
263 unsigned char inb_port(int);
264 unsigned char inb_speaker(int);
265 unsigned char inb_traceport(int);
266 void init_io_port_handlers(void);
267 void insb(regcontext_t *, int);
268 void insx(regcontext_t *, int);
269 void inx(regcontext_t *, int);
270 void outb(regcontext_t *, int);
271 void outb_port(int, unsigned char);
272 void outb_speaker(int, unsigned char);
273 void outb_traceport(int, unsigned char);
274 void outsb(regcontext_t *, int);
275 void outsx(regcontext_t *, int);
276 void outx(regcontext_t *, int);
277 void speaker_init(void);
280 extern void setver(char *, short);
281 extern short getver(char *);
284 extern struct sigframe *saved_sigframe;
285 extern regcontext_t *saved_regcontext;
286 extern int saved_valid;
287 extern void setsignal(int s, void (*h)(struct sigframe *));
290 extern void timer_init(void);
293 extern int resettrace(regcontext_t *);
294 extern void tracetrap(regcontext_t *);
297 extern void get_raw_extmemory_info(regcontext_t *REGS);
298 extern int int2f_43(regcontext_t *REGS);
299 extern void initHMA(void);
300 extern void xms_init(void);
301 extern u_long xms_maxsize;
303 /****************************** dirty below here *****************************/
305 extern u_long pending[]; /* pending interrupts */
306 extern int n_pending;