1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
/*
* 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
*
* $FreeBSD$
*/
#ifdef __NetBSD__
#define USE_VM86
#endif
#include <sys/param.h>
#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 <sys/signalvar.h>
#include <machine/sigframe.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"
#define drlton(a) ((islower((a)) ? toupper((a)) : (a)) - 'A')
#define drntol(a) ((a) + 'A')
/*
** 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
/* ParseBuffer.c */
extern int ParseBuffer(char *, char **, int);
/* 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 bios_init(void);
extern void wakeup_poll(void);
extern void reset_poll(void);
extern void sleep_poll(void);
/* cmos.c */
extern time_t delta_clock;
extern void cmos_init(void);
/* config.c */
extern int read_config(FILE *fp);
/* cpu.c */
extern void cpu_init(void);
extern int emu_instr(regcontext_t *);
/* 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 /* "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 D_VIDEO 0x4000000 /* video-related activity */
#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, ...) __printflike(1, 2);
extern void debug(int flags, char *fmt, ...) __printflike(2, 3);
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);
/* disktab.c */
extern int map_type(int, int *, int *, int *);
/* doscmd.c */
extern int squirrel_fd(int);
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 *);
extern void iomap_port(int port, int count);
/* ems.c */
extern int ems_init();
extern void ems_entry(regcontext_t *REGS);
extern u_long ems_frame_addr;
/* emuint.c */
extern void emuint(regcontext_t *REGS);
/* i386-pinsn.c */
extern int i386dis(unsigned short, unsigned short,
unsigned char *, char *, int);
/* 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);
/* int10.c */
extern void int10(regcontext_t *);
/* 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);
/* int2f.c */
extern void int2f(regcontext_t *);
/* intff.c */
extern int int2f_11(regcontext_t *REGS);
extern void intff(regcontext_t *REGS);
/* 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);
/* mouse.c */
extern void mouse_init(void);
/* net.c */
extern void net_init(void);
/* port.c */
extern void define_input_port_handler(int, unsigned char (*)(int));
extern void define_output_port_handler(int, void (*)(int, unsigned char));
extern void inb(regcontext_t *, int);
extern void init_io_port_handlers(void);
extern void inx(regcontext_t *, int);
extern void outb(regcontext_t *, int);
extern void outx(regcontext_t *, int);
extern void speaker_init(void);
extern void outb_traceport(int, unsigned char);
extern unsigned char inb_traceport(int);
extern void outb_port(int, unsigned char);
extern unsigned char inb_port(int);
/* setver.c */
extern void setver(char *, short);
extern short getver(char *);
/* 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 *));
/* timer.c */
extern void timer_init(void);
/* trace.c */
extern int resettrace(regcontext_t *);
extern void tracetrap(regcontext_t *);
/* xms.c */
extern void get_raw_extmemory_info(regcontext_t *REGS);
extern int int2f_43(regcontext_t *REGS);
extern void initHMA(void);
extern void xms_init(void);
extern u_long xms_maxsize;
/****************************** dirty below here *****************************/
extern u_long pending[]; /* pending interrupts */
extern int n_pending;
extern int nmice;
void put_dosenv(char *value);
|
