aboutsummaryrefslogtreecommitdiffstats
path: root/translate/grt/ghwlib.h
blob: 0138267ed17a7120df33f717241429424a070bd2 (plain)
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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
/*  GHDL Wavefile reader library.
    Copyright (C) 2005 Tristan Gingold

    GHDL is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License as published by the Free
    Software Foundation; either version 2, or (at your option) any later
    version.

    GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
    WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with GCC; see the file COPYING.  If not, write to the Free
    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    02111-1307, USA.
*/


#ifndef _GHWLIB_H_
#define _GHWLIB_H_

#include <stdio.h>
#include <stdlib.h>

#ifdef __GNUC__
#include <stdint.h>
#endif

enum ghdl_rtik {
  ghdl_rtik_top,		/* 0  */
  ghdl_rtik_library,
  ghdl_rtik_package,
  ghdl_rtik_package_body,
  ghdl_rtik_entity,
  ghdl_rtik_architecture,	/* 5 */
  ghdl_rtik_process,
  ghdl_rtik_block,
  ghdl_rtik_if_generate,
  ghdl_rtik_for_generate,
  ghdl_rtik_instance,
  ghdl_rtik_constant,
  ghdl_rtik_iterator,
  ghdl_rtik_variable,
  ghdl_rtik_signal,
  ghdl_rtik_file,
  ghdl_rtik_port,
  ghdl_rtik_generic,
  ghdl_rtik_alias,
  ghdl_rtik_guard,
  ghdl_rtik_component,
  ghdl_rtik_attribute,
  ghdl_rtik_type_b2,		/* 22 */
  ghdl_rtik_type_e8,
  ghdl_rtik_type_e32,
  ghdl_rtik_type_i32,		/* 25 */
  ghdl_rtik_type_i64,
  ghdl_rtik_type_f64,
  ghdl_rtik_type_p32,
  ghdl_rtik_type_p64,
  ghdl_rtik_type_access,	/* 30 */
  ghdl_rtik_type_array,
  ghdl_rtik_type_record,
  ghdl_rtik_type_file,
  ghdl_rtik_subtype_scalar,
  ghdl_rtik_subtype_array,	/* 35 */
  ghdl_rtik_subtype_array_ptr,
  ghdl_rtik_subtype_unconstrained_array,
  ghdl_rtik_subtype_record,
  ghdl_rtik_subtype_access,
  ghdl_rtik_type_protected,
  ghdl_rtik_element,
  ghdl_rtik_unit,
  ghdl_rtik_attribute_transaction,
  ghdl_rtik_attribute_quiet,
  ghdl_rtik_attribute_stable,
  ghdl_rtik_error
};

/* Well-known types.  */
enum ghw_wkt_type {
  ghw_wkt_unknown,
  ghw_wkt_boolean,
  ghw_wkt_bit,
  ghw_wkt_std_ulogic
};

struct ghw_range_b2
{
  enum ghdl_rtik kind : 8;
  int dir : 8; /* 0: to, !0: downto.  */
  unsigned char left;
  unsigned char right;
};

struct ghw_range_e8
{
  enum ghdl_rtik kind : 8;
  int dir : 8; /* 0: to, !0: downto.  */
  unsigned char left;
  unsigned char right;
};

struct ghw_range_i32
{
  enum ghdl_rtik kind : 8;
  int dir : 8; /* 0: to, !0: downto.  */
  int32_t left;
  int32_t right;
};

struct ghw_range_i64
{
  enum ghdl_rtik kind : 8;
  int dir : 8;
  int64_t left;
  int64_t right;
};

struct ghw_range_f64
{
  enum ghdl_rtik kind : 8;
  int dir : 8;
  double left;
  double right;
};

union ghw_range
{
  enum ghdl_rtik kind : 8;
  struct ghw_range_e8 e8;
  struct ghw_range_i32 i32;
  struct ghw_range_i64 i64;
  struct ghw_range_f64 f64;
};

/* Note: the first two fields must be kind and name.  */
union ghw_type;

struct ghw_type_common
{
  enum ghdl_rtik kind;
  const char *name;
};

struct ghw_type_enum
{
  enum ghdl_rtik kind;
  const char *name;

  enum ghw_wkt_type wkt;
  unsigned int nbr;
  const char **lits;
};

struct ghw_type_scalar
{
  enum ghdl_rtik kind;
  const char *name;
};

struct ghw_unit
{
  const char *name;
  int64_t val;
};

struct ghw_type_physical
{
  enum ghdl_rtik kind;
  const char *name;
  uint32_t nbr_units;
  struct ghw_unit *units;
};

struct ghw_type_array
{
  enum ghdl_rtik kind;
  const char *name;

  unsigned int nbr_dim;
  union ghw_type *el;
  union ghw_type **dims;
};

struct ghw_subtype_array
{
  enum ghdl_rtik kind;
  const char *name;

  struct ghw_type_array *base;
  int nbr_el;
  union ghw_range **rngs;
};

struct ghw_subtype_scalar
{
  enum ghdl_rtik kind;
  const char *name;

  union ghw_type *base;
  union ghw_range *rng;
};

struct ghw_record_element
{
  const char *name;
  union ghw_type *type;
};

struct ghw_type_record
{
  enum ghdl_rtik kind;
  const char *name;

  unsigned int nbr_fields;
  int nbr_el;	/* Number of scalar signals.  */
  struct ghw_record_element *el;
};
  
union ghw_type
{
  enum ghdl_rtik kind;
  struct ghw_type_common common;
  struct ghw_type_enum en;
  struct ghw_type_scalar sc;
  struct ghw_type_physical ph;
  struct ghw_subtype_scalar ss;
  struct ghw_subtype_array sa;
  struct ghw_type_array ar;
  struct ghw_type_record rec;
};

union ghw_val
{
  unsigned char b2;
  unsigned char e8;
  int32_t i32;
  int64_t i64;
  double f64;
};

/* A non-composite signal.  */
struct ghw_sig
{
  union ghw_type *type;
  union ghw_val *val;
};

enum ghw_hie_kind {
  ghw_hie_eoh          = 0,
  ghw_hie_design       = 1,
  ghw_hie_block        = 3,
  ghw_hie_generate_if  = 4,
  ghw_hie_generate_for = 5,
  ghw_hie_instance     = 6,
  ghw_hie_package      = 7,
  ghw_hie_process      = 13,
  ghw_hie_generic      = 14,
  ghw_hie_eos          = 15,
  ghw_hie_signal       = 16,
  ghw_hie_port_in      = 17,
  ghw_hie_port_out     = 18,
  ghw_hie_port_inout   = 19,
  ghw_hie_port_buffer  = 20,
  ghw_hie_port_linkage = 21
};

struct ghw_hie
{
  enum ghw_hie_kind kind;
  struct ghw_hie *parent;
  const char *name;
  struct ghw_hie *brother;
  union
  {
    struct
    {
      struct ghw_hie *child;
      union ghw_type *iter_type;
      union ghw_val *iter_value;
    } blk;
    struct
    {
      union ghw_type *type;
      /* Array of signal elements.
	 Last element is 0.  */
      unsigned int *sigs;
    } sig;
  } u;
};

struct ghw_handler
{
  FILE *stream;
  /* True if words are big-endian.  */
  int word_be;
  int word_len;
  int off_len;
  /* Minor version.  */
  int version;

  /* Set by user.  */
  int flag_verbose;

  /* String table.  */
  /* Number of strings.  */
  int nbr_str;
  /* Size of the strings (without nul).  */
  int str_size;
  /* String table.  */
  char **str_table;
  /* Array containing strings.  */
  char *str_content;

  /* Type table.  */
  int nbr_types;
  union ghw_type **types;

  /* Non-composite (or basic) signals.  */
  int nbr_sigs;
  struct ghw_sig *sigs;

  /* Hierarchy.  */
  struct ghw_hie *hie;

  /* Time of the next cycle.  */
  int64_t snap_time;
};

/* Open a GHW file with H.
   Return < 0 in case of error. */
int ghw_open (struct ghw_handler *h, const char *filename);

union ghw_type *ghw_get_base_type (union ghw_type *t);

/* Put the ASCII representation of VAL into BUF, whose size if LEN.
   A NUL is always written to BUF.  */
void ghw_get_value (char *buf, int len, 
		    union ghw_val *val, union ghw_type *type);

const char *ghw_get_hie_name (struct ghw_hie *h);

void ghw_disp_hie (struct ghw_handler *h, struct ghw_hie *top);

int ghw_read_base (struct ghw_handler *h);

void ghw_disp_values (struct ghw_handler *h);

int ghw_read_cycle_start (struct ghw_handler *h);

int ghw_read_cycle_cont (struct ghw_handler *h, int *list);

int ghw_read_cycle_next (struct ghw_handler *h);

int ghw_read_cycle_end (struct ghw_handler *h);

enum ghw_sm_type {
  /* At init;
     Read section name.  */
  ghw_sm_init = 0,
  ghw_sm_sect = 1,
  ghw_sm_cycle = 2
};

enum ghw_res {
  ghw_res_error = -1,
  ghw_res_eof = -2,
  ghw_res_ok = 0,
  ghw_res_snapshot = 1,
  ghw_res_cycle = 2,
  ghw_res_other = 3
};

int ghw_read_sm (struct ghw_handler *h, enum ghw_sm_type *sm);

int ghw_read_dump (struct ghw_handler *h);

struct ghw_section {
  const char name[4];
  int (*handler)(struct ghw_handler *h);
};

extern struct ghw_section ghw_sections[];

int ghw_read_section (struct ghw_handler *h);

void ghw_close (struct ghw_handler *h);

const char *ghw_get_dir (int is_downto);

/* Note: TYPE must be a base type (used only to display literals).  */
void ghw_disp_range (union ghw_type *type, union ghw_range *rng);

void ghw_disp_type (struct ghw_handler *h, union ghw_type *t);

void ghw_disp_types (struct ghw_handler *h);
#endif /* _GHWLIB_H_ */