mpconfig.h 24.9 KB
Newer Older
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
/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014 Damien P. George
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
26
27
#ifndef __MICROPY_INCLUDED_PY_MPCONFIG_H__
#define __MICROPY_INCLUDED_PY_MPCONFIG_H__
28

29
// This file contains default configuration settings for MicroPython.
30
31
// You can override any of the options below using mpconfigport.h file
// located in a directory of your port.
32

33
34
35
36
37
38
39
40
41
42
43
44
// mpconfigport.h is a file containing configuration settings for a
// particular port. mpconfigport.h is actually a default name for
// such config, and it can be overriden using MP_CONFIGFILE preprocessor
// define (you can do that by passing CFLAGS_EXTRA='-DMP_CONFIGFILE="<file.h>"'
// argument to make when using standard MicroPython makefiles).
// This is useful to have more than one config per port, for example,
// release vs debug configs, etc. Note that if you switch from one config
// to another, you must rebuild from scratch using "-B" switch to make.

#ifdef MP_CONFIGFILE
#include MP_CONFIGFILE
#else
45
#include <mpconfigport.h>
46
#endif
47

48
49
50
// Any options not explicitly set in mpconfigport.h will get default
// values below.

51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*****************************************************************************/
/* Object representation                                                     */

// A Micro Python object is a machine word having the following form:
//  - xxxx...xxx1 : a small int, bits 1 and above are the value
//  - xxxx...xx10 : a qstr, bits 2 and above are the value
//  - xxxx...xx00 : a pointer to an mp_obj_base_t (unless a fake object)
#define MICROPY_OBJ_REPR_A (0)

// A Micro Python object is a machine word having the following form:
//  - xxxx...xx01 : a small int, bits 2 and above are the value
//  - xxxx...xx11 : a qstr, bits 2 and above are the value
//  - xxxx...xxx0 : a pointer to an mp_obj_base_t (unless a fake object)
#define MICROPY_OBJ_REPR_B (1)

#ifndef MICROPY_OBJ_REPR
#define MICROPY_OBJ_REPR (MICROPY_OBJ_REPR_A)
#endif

70
71
72
/*****************************************************************************/
/* Memory allocation policy                                                  */

73
74
75
76
77
// Number of words allocated (in BSS) to the GC stack (minimum is 1)
#ifndef MICROPY_ALLOC_GC_STACK_SIZE
#define MICROPY_ALLOC_GC_STACK_SIZE (64)
#endif

78
79
80
81
82
83
84
85
// Number of bytes to allocate initially when creating new chunks to store
// interned string data.  Smaller numbers lead to more chunks being needed
// and more wastage at the end of the chunk.  Larger numbers lead to wasted
// space at the end when no more strings need interning.
#ifndef MICROPY_ALLOC_QSTR_CHUNK_INIT
#define MICROPY_ALLOC_QSTR_CHUNK_INIT (128)
#endif

86
// Initial amount for lexer indentation level
87
88
#ifndef MICROPY_ALLOC_LEXER_INDENT_INIT
#define MICROPY_ALLOC_LEXER_INDENT_INIT (10)
89
90
91
#endif

// Increment for lexer indentation level
92
93
#ifndef MICROPY_ALLOC_LEXEL_INDENT_INC
#define MICROPY_ALLOC_LEXEL_INDENT_INC (8)
94
95
#endif

96
// Initial amount for parse rule stack
97
98
#ifndef MICROPY_ALLOC_PARSE_RULE_INIT
#define MICROPY_ALLOC_PARSE_RULE_INIT (64)
99
100
101
#endif

// Increment for parse rule stack
102
103
#ifndef MICROPY_ALLOC_PARSE_RULE_INC
#define MICROPY_ALLOC_PARSE_RULE_INC (16)
104
105
106
#endif

// Initial amount for parse result stack
107
108
#ifndef MICROPY_ALLOC_PARSE_RESULT_INIT
#define MICROPY_ALLOC_PARSE_RESULT_INIT (32)
109
110
111
#endif

// Increment for parse result stack
112
113
#ifndef MICROPY_ALLOC_PARSE_RESULT_INC
#define MICROPY_ALLOC_PARSE_RESULT_INC (16)
114
115
#endif

116
117
118
119
120
// Strings this length or less will be interned by the parser
#ifndef MICROPY_ALLOC_PARSE_INTERN_STRING_LEN
#define MICROPY_ALLOC_PARSE_INTERN_STRING_LEN (10)
#endif

121
// Initial amount for ids in a scope
122
123
#ifndef MICROPY_ALLOC_SCOPE_ID_INIT
#define MICROPY_ALLOC_SCOPE_ID_INIT (4)
124
125
126
#endif

// Increment for ids in a scope
127
128
129
130
131
132
133
134
#ifndef MICROPY_ALLOC_SCOPE_ID_INC
#define MICROPY_ALLOC_SCOPE_ID_INC (6)
#endif

// Maximum length of a path in the filesystem
// So we can allocate a buffer on the stack for path manipulation in import
#ifndef MICROPY_ALLOC_PATH_MAX
#define MICROPY_ALLOC_PATH_MAX (512)
135
136
#endif

137
138
139
140
141
// Initial size of module dict
#ifndef MICROPY_MODULE_DICT_SIZE
#define MICROPY_MODULE_DICT_SIZE (1)
#endif

142
143
144
145
146
147
// Whether realloc/free should be passed allocated memory region size
// You must enable this if MICROPY_MEM_STATS is enabled
#ifndef MICROPY_MALLOC_USES_ALLOCATED_SIZE
#define MICROPY_MALLOC_USES_ALLOCATED_SIZE (0)
#endif

148
149
150
151
152
153
154
// Number of bytes used to store qstr length
// Dictates hard limit on maximum Python identifier length, but 1 byte
// (limit of 255 bytes in an identifier) should be enough for everyone
#ifndef MICROPY_QSTR_BYTES_IN_LEN
#define MICROPY_QSTR_BYTES_IN_LEN (1)
#endif

155
156
157
158
159
// Number of bytes used to store qstr hash
#ifndef MICROPY_QSTR_BYTES_IN_HASH
#define MICROPY_QSTR_BYTES_IN_HASH (2)
#endif

160
161
// Avoid using C stack when making Python function calls. C stack still
// may be used if there's no free heap.
162
163
164
165
#ifndef MICROPY_STACKLESS
#define MICROPY_STACKLESS (0)
#endif

166
167
168
169
170
171
172
// Never use C stack when making Python function calls. This may break
// testsuite as will subtly change which exception is thrown in case
// of too deep recursion and other similar cases.
#ifndef MICROPY_STACKLESS_STRICT
#define MICROPY_STACKLESS_STRICT (0)
#endif

173
174
175
176
177
178
/*****************************************************************************/
/* Micro Python emitters                                                     */

// Whether to emit x64 native code
#ifndef MICROPY_EMIT_X64
#define MICROPY_EMIT_X64 (0)
179
180
#endif

181
182
183
184
185
// Whether to emit x86 native code
#ifndef MICROPY_EMIT_X86
#define MICROPY_EMIT_X86 (0)
#endif

186
187
188
189
// Whether to emit thumb native code
#ifndef MICROPY_EMIT_THUMB
#define MICROPY_EMIT_THUMB (0)
#endif
190

191
192
193
194
195
// Whether to enable the thumb inline assembler
#ifndef MICROPY_EMIT_INLINE_THUMB
#define MICROPY_EMIT_INLINE_THUMB (0)
#endif

196
197
198
199
200
// Whether to enable float support in the Thumb2 inline assembler
#ifndef MICROPY_EMIT_INLINE_THUMB_FLOAT
#define MICROPY_EMIT_INLINE_THUMB_FLOAT (1)
#endif

Fabian Vogt's avatar
Fabian Vogt committed
201
202
203
204
205
// Whether to emit ARM native code
#ifndef MICROPY_EMIT_ARM
#define MICROPY_EMIT_ARM (0)
#endif

206
// Convenience definition for whether any native emitter is enabled
207
#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM)
208

209
210
211
/*****************************************************************************/
/* Compiler configuration                                                    */

212
213
214
215
216
// Whether to enable lookup of constants in modules; eg module.CONST
#ifndef MICROPY_COMP_MODULE_CONST
#define MICROPY_COMP_MODULE_CONST (0)
#endif

217
218
219
220
221
// Whether to enable constant optimisation; id = const(value)
#ifndef MICROPY_COMP_CONST
#define MICROPY_COMP_CONST (1)
#endif

222
223
224
225
226
227
228
229
230
231
232
233
// Whether to enable optimisation of: a, b = c, d
// Costs 124 bytes (Thumb2)
#ifndef MICROPY_COMP_DOUBLE_TUPLE_ASSIGN
#define MICROPY_COMP_DOUBLE_TUPLE_ASSIGN (1)
#endif

// Whether to enable optimisation of: a, b, c = d, e, f
// Cost 156 bytes (Thumb2)
#ifndef MICROPY_COMP_TRIPLE_TUPLE_ASSIGN
#define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (0)
#endif

234
235
/*****************************************************************************/
/* Internal debugging stuff                                                  */
236
237
238

// Whether to collect memory allocation stats
#ifndef MICROPY_MEM_STATS
239
240
241
#define MICROPY_MEM_STATS (0)
#endif

242
// Whether to build functions that print debugging info:
243
//   mp_lexer_show_token
244
//   mp_bytecode_print
245
246
247
//   mp_parse_node_print
#ifndef MICROPY_DEBUG_PRINTERS
#define MICROPY_DEBUG_PRINTERS (0)
248
249
#endif

250
/*****************************************************************************/
251
252
253
254
255
256
257
258
/* Optimisations                                                             */

// Whether to use computed gotos in the VM, or a switch
// Computed gotos are roughly 10% faster, and increase VM code size by a little
#ifndef MICROPY_OPT_COMPUTED_GOTO
#define MICROPY_OPT_COMPUTED_GOTO (0)
#endif

259
260
261
262
263
264
265
// Whether to cache result of map lookups in LOAD_NAME, LOAD_GLOBAL, LOAD_ATTR,
// STORE_ATTR bytecodes.  Uses 1 byte extra RAM for each of these opcodes and
// uses a bit of extra code ROM, but greatly improves lookup speed.
#ifndef MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE
#define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (0)
#endif

266
267
/*****************************************************************************/
/* Python internal features                                                  */
268

269
270
271
272
273
// Whether to include the garbage collector
#ifndef MICROPY_ENABLE_GC
#define MICROPY_ENABLE_GC (0)
#endif

274
// Whether to enable finalisers in the garbage collector (ie call __del__)
275
276
#ifndef MICROPY_ENABLE_FINALISER
#define MICROPY_ENABLE_FINALISER (0)
277
278
#endif

279
280
281
// Whether to check C stack usage. C stack used for calling Python functions,
// etc. Not checking means segfault on overflow.
#ifndef MICROPY_STACK_CHECK
282
#define MICROPY_STACK_CHECK (0)
283
284
#endif

285
286
287
288
289
290
291
292
293
294
// Whether to have an emergency exception buffer
#ifndef MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF
#define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF (0)
#endif
#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF
#   ifndef MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE
#   define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE (0)   // 0 - implies dynamic allocation
#   endif
#endif

295
// Whether to include REPL helper function
296
297
#ifndef MICROPY_HELPER_REPL
#define MICROPY_HELPER_REPL (0)
298
299
#endif

300
301
// Whether to include emacs-style readline behavior in REPL
#ifndef MICROPY_REPL_EMACS_KEYS
302
#define MICROPY_REPL_EMACS_KEYS (0)
303
304
#endif

305
306
307
308
309
// Whether port requires event-driven REPL functions
#ifndef MICROPY_REPL_EVENT_DRIVEN
#define MICROPY_REPL_EVENT_DRIVEN (0)
#endif

310
// Whether to include lexer helper function for unix
311
312
#ifndef MICROPY_HELPER_LEXER_UNIX
#define MICROPY_HELPER_LEXER_UNIX (0)
313
314
#endif

315
316
317
// Long int implementation
#define MICROPY_LONGINT_IMPL_NONE (0)
#define MICROPY_LONGINT_IMPL_LONGLONG (1)
318
#define MICROPY_LONGINT_IMPL_MPZ (2)
319
320
321
322
323
324
325
326
327

#ifndef MICROPY_LONGINT_IMPL
#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_NONE)
#endif

#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
typedef long long mp_longint_impl_t;
#endif

328
329
330
331
332
333
// Whether to include information in the byte code to determine source
// line number (increases RAM usage, but doesn't slow byte code execution)
#ifndef MICROPY_ENABLE_SOURCE_LINE
#define MICROPY_ENABLE_SOURCE_LINE (0)
#endif

334
335
336
337
338
// Whether to include doc strings (increases RAM usage)
#ifndef MICROPY_ENABLE_DOC_STRING
#define MICROPY_ENABLE_DOC_STRING (0)
#endif

339
// Exception messages are short static strings
340
341
342
343
344
345
346
347
348
349
#define MICROPY_ERROR_REPORTING_TERSE    (1)
// Exception messages provide basic error details
#define MICROPY_ERROR_REPORTING_NORMAL   (2)
// Exception messages provide full info, e.g. object names
#define MICROPY_ERROR_REPORTING_DETAILED (3)

#ifndef MICROPY_ERROR_REPORTING
#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_NORMAL)
#endif

350
351
352
353
354
// Whether issue warnings during compiling/execution
#ifndef MICROPY_WARNINGS
#define MICROPY_WARNINGS (0)
#endif

355
356
357
358
359
360
361
362
363
364
// Float and complex implementation
#define MICROPY_FLOAT_IMPL_NONE (0)
#define MICROPY_FLOAT_IMPL_FLOAT (1)
#define MICROPY_FLOAT_IMPL_DOUBLE (2)

#ifndef MICROPY_FLOAT_IMPL
#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_NONE)
#endif

#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
365
#define MICROPY_PY_BUILTINS_FLOAT (1)
366
367
368
#define MICROPY_FLOAT_C_FUN(fun) fun##f
typedef float mp_float_t;
#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
369
#define MICROPY_PY_BUILTINS_FLOAT (1)
370
371
372
#define MICROPY_FLOAT_C_FUN(fun) fun
typedef double mp_float_t;
#else
373
#define MICROPY_PY_BUILTINS_FLOAT (0)
374
#endif
375

376
377
378
379
#ifndef MICROPY_PY_BUILTINS_COMPLEX
#define MICROPY_PY_BUILTINS_COMPLEX (MICROPY_PY_BUILTINS_FLOAT)
#endif

380
381
382
383
384
385
// Enable features which improve CPython compatibility
// but may lead to more code size/memory usage.
// TODO: Originally intended as generic category to not
// add bunch of once-off options. May need refactoring later
#ifndef MICROPY_CPYTHON_COMPAT
#define MICROPY_CPYTHON_COMPAT (1)
386
387
#endif

388
389
390
// Whether POSIX-semantics non-blocking streams are supported
#ifndef MICROPY_STREAMS_NON_BLOCK
#define MICROPY_STREAMS_NON_BLOCK (0)
391
392
#endif

393
394
395
396
397
// Whether module weak links are supported
#ifndef MICROPY_MODULE_WEAK_LINKS
#define MICROPY_MODULE_WEAK_LINKS (0)
#endif

398
399
400
401
402
// Whether frozen modules are supported
#ifndef MICROPY_MODULE_FROZEN
#define MICROPY_MODULE_FROZEN (0)
#endif

403
404
405
406
407
// Whether you can override builtins in the builtins module
#ifndef MICROPY_CAN_OVERRIDE_BUILTINS
#define MICROPY_CAN_OVERRIDE_BUILTINS (0)
#endif

408
409
410
411
412
413
414
415
416
// Whether to check that the "self" argument of a builtin method has the
// correct type.  Such an explicit check is only needed if a builtin
// method escapes to Python land without a first argument, eg
// list.append([], 1).  Without this check such calls will have undefined
// behaviour (usually segfault) if the first argument is the wrong type.
#ifndef MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG
#define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (1)
#endif

417
418
/*****************************************************************************/
/* Fine control over Python builtins, classes, modules, etc                  */
419

420
421
422
423
424
// Whether to implement attributes on functions
#ifndef MICROPY_PY_FUNCTION_ATTRS
#define MICROPY_PY_FUNCTION_ATTRS (0)
#endif

425
426
427
428
429
430
// Whether to support descriptors (__get__ and __set__)
// This costs some code size and makes all load attrs and store attrs slow
#ifndef MICROPY_PY_DESCRIPTORS
#define MICROPY_PY_DESCRIPTORS (0)
#endif

431
432
433
// Whether str object is proper unicode
#ifndef MICROPY_PY_BUILTINS_STR_UNICODE
#define MICROPY_PY_BUILTINS_STR_UNICODE (0)
Damien George's avatar
Damien George committed
434
#endif
435

436
437
438
439
440
// Whether str.splitlines() method provided
#ifndef MICROPY_PY_BUILTINS_STR_SPLITLINES
#define MICROPY_PY_BUILTINS_STR_SPLITLINES (0)
#endif

441
442
443
// Whether to support bytearray object
#ifndef MICROPY_PY_BUILTINS_BYTEARRAY
#define MICROPY_PY_BUILTINS_BYTEARRAY (1)
444
445
#endif

446
447
448
449
450
// Whether to support memoryview object
#ifndef MICROPY_PY_BUILTINS_MEMORYVIEW
#define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
#endif

451
452
453
454
455
// Whether to support set object
#ifndef MICROPY_PY_BUILTINS_SET
#define MICROPY_PY_BUILTINS_SET (1)
#endif

456
457
458
// Whether to support slice subscript operators and slice object
#ifndef MICROPY_PY_BUILTINS_SLICE
#define MICROPY_PY_BUILTINS_SLICE (1)
459
460
#endif

461
// Whether to support frozenset object
462
463
#ifndef MICROPY_PY_BUILTINS_FROZENSET
#define MICROPY_PY_BUILTINS_FROZENSET (0)
Paul Sokolovsky's avatar
Paul Sokolovsky committed
464
465
#endif

466
467
468
// Whether to support property object
#ifndef MICROPY_PY_BUILTINS_PROPERTY
#define MICROPY_PY_BUILTINS_PROPERTY (1)
469
470
#endif

471
472
473
474
475
476
// Whether to implement the start/stop/step attributes (readback) on
// the "range" builtin type. Rarely used, and costs ~60 bytes (x86).
#ifndef MICROPY_PY_BUILTINS_RANGE_ATTRS
#define MICROPY_PY_BUILTINS_RANGE_ATTRS (1)
#endif

477
478
479
480
481
// Whether to support timeout exceptions (like socket.timeout)
#ifndef MICROPY_PY_BUILTINS_TIMEOUTERROR
#define MICROPY_PY_BUILTINS_TIMEOUTERROR (0)
#endif

482
483
484
485
486
487
// Whether to support complete set of special methods
// for user classes, otherwise only the most used
#ifndef MICROPY_PY_ALL_SPECIAL_METHODS
#define MICROPY_PY_ALL_SPECIAL_METHODS (0)
#endif

488
489
490
491
492
// Whether to support compile function
#ifndef MICROPY_PY_BUILTINS_COMPILE
#define MICROPY_PY_BUILTINS_COMPILE (0)
#endif

493
494
495
496
497
// Whether to support enumerate function(type)
#ifndef MICROPY_PY_BUILTINS_ENUMERATE
#define MICROPY_PY_BUILTINS_ENUMERATE (1)
#endif

498
499
500
501
502
// Whether to support the Python 2 execfile function
#ifndef MICROPY_PY_BUILTINS_EXECFILE
#define MICROPY_PY_BUILTINS_EXECFILE (0)
#endif

503
504
505
506
507
// Whether to support filter function(type)
#ifndef MICROPY_PY_BUILTINS_FILTER
#define MICROPY_PY_BUILTINS_FILTER (1)
#endif

508
509
510
511
512
// Whether to support reversed function(type)
#ifndef MICROPY_PY_BUILTINS_REVERSED
#define MICROPY_PY_BUILTINS_REVERSED (1)
#endif

513
514
515
516
517
// Whether to define "NotImplemented" special constant
#ifndef MICROPY_PY_BUILTINS_NOTIMPLEMENTED
#define MICROPY_PY_BUILTINS_NOTIMPLEMENTED (0)
#endif

518
519
520
521
522
// Whether to set __file__ for imported modules
#ifndef MICROPY_PY___FILE__
#define MICROPY_PY___FILE__ (1)
#endif

523
524
525
526
527
// Whether to provide mem-info related functions in micropython module
#ifndef MICROPY_PY_MICROPYTHON_MEM_INFO
#define MICROPY_PY_MICROPYTHON_MEM_INFO (0)
#endif

528
529
530
531
532
533
534
// Whether to provide "array" module. Note that large chunk of the
// underlying code is shared with "bytearray" builtin type, so to
// get real savings, it should be disabled too.
#ifndef MICROPY_PY_ARRAY
#define MICROPY_PY_ARRAY (1)
#endif

535
536
537
538
539
540
// Whether to support slice assignments for array (and bytearray).
// This is rarely used, but adds ~0.5K of code.
#ifndef MICROPY_PY_ARRAY_SLICE_ASSIGN
#define MICROPY_PY_ARRAY_SLICE_ASSIGN (0)
#endif

541
542
543
544
545
546
// Whether to support attrtuple type (MicroPython extension)
// It provides space-efficient tuples with attribute access
#ifndef MICROPY_PY_ATTRTUPLE
#define MICROPY_PY_ATTRTUPLE (1)
#endif

547
548
549
// Whether to provide "collections" module
#ifndef MICROPY_PY_COLLECTIONS
#define MICROPY_PY_COLLECTIONS (1)
550
551
#endif

552
553
554
555
556
// Whether to provide "collections.OrderedDict" type
#ifndef MICROPY_PY_COLLECTIONS_ORDEREDDICT
#define MICROPY_PY_COLLECTIONS_ORDEREDDICT (0)
#endif

557
558
559
// Whether to provide "math" module
#ifndef MICROPY_PY_MATH
#define MICROPY_PY_MATH (1)
560
561
#endif

562
563
564
565
566
// Whether to provide special math functions: math.{erf,erfc,gamma,lgamma}
#ifndef MICROPY_PY_MATH_SPECIAL_FUNCTIONS
#define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (0)
#endif

567
568
569
// Whether to provide "cmath" module
#ifndef MICROPY_PY_CMATH
#define MICROPY_PY_CMATH (0)
570
571
#endif

572
573
574
// Whether to provide "gc" module
#ifndef MICROPY_PY_GC
#define MICROPY_PY_GC (1)
575
576
#endif

577
578
579
580
581
// Whether to return number of collected objects from gc.collect()
#ifndef MICROPY_PY_GC_COLLECT_RETVAL
#define MICROPY_PY_GC_COLLECT_RETVAL (0)
#endif

582
583
584
// Whether to provide "io" module
#ifndef MICROPY_PY_IO
#define MICROPY_PY_IO (1)
585
586
#endif

587
588
589
// Whether to provide "io.FileIO" class
#ifndef MICROPY_PY_IO_FILEIO
#define MICROPY_PY_IO_FILEIO (0)
590
#endif
591

592
593
594
// Whether to provide "io.BytesIO" class
#ifndef MICROPY_PY_IO_BYTESIO
#define MICROPY_PY_IO_BYTESIO (1)
595
596
#endif

597
598
599
// Whether to provide "struct" module
#ifndef MICROPY_PY_STRUCT
#define MICROPY_PY_STRUCT (1)
600
601
#endif

602
603
604
// Whether to provide "sys" module
#ifndef MICROPY_PY_SYS
#define MICROPY_PY_SYS (1)
605
606
#endif

607
608
609
610
611
// Whether to provide "sys.maxsize" constant
#ifndef MICROPY_PY_SYS_MAXSIZE
#define MICROPY_PY_SYS_MAXSIZE (0)
#endif

612
613
614
615
616
617
// Whether to provide "sys.exc_info" function
// Avoid enabling this, this function is Python2 heritage
#ifndef MICROPY_PY_SYS_EXC_INFO
#define MICROPY_PY_SYS_EXC_INFO (0)
#endif

618
619
620
// Whether to provide "sys.exit" function
#ifndef MICROPY_PY_SYS_EXIT
#define MICROPY_PY_SYS_EXIT (0)
621
622
#endif

623
624
625
// Whether to provide sys.{stdin,stdout,stderr} objects
#ifndef MICROPY_PY_SYS_STDFILES
#define MICROPY_PY_SYS_STDFILES (0)
626
627
#endif

628
629
630
631
632
// Whether to provide sys.{stdin,stdout,stderr}.buffer object
// This is implemented per-port
#ifndef MICROPY_PY_SYS_STDIO_BUFFER
#define MICROPY_PY_SYS_STDIO_BUFFER (0)
#endif
633
634

// Extended modules
635

636
637
638
639
#ifndef MICROPY_PY_UCTYPES
#define MICROPY_PY_UCTYPES (0)
#endif

640
641
642
643
#ifndef MICROPY_PY_UZLIB
#define MICROPY_PY_UZLIB (0)
#endif

644
645
646
647
#ifndef MICROPY_PY_UJSON
#define MICROPY_PY_UJSON (0)
#endif

648
649
650
651
#ifndef MICROPY_PY_URE
#define MICROPY_PY_URE (0)
#endif

Damien George's avatar
Damien George committed
652
653
654
655
#ifndef MICROPY_PY_UHEAPQ
#define MICROPY_PY_UHEAPQ (0)
#endif

656
657
658
659
#ifndef MICROPY_PY_UHASHLIB
#define MICROPY_PY_UHASHLIB (0)
#endif

660
661
662
663
#ifndef MICROPY_PY_UBINASCII
#define MICROPY_PY_UBINASCII (0)
#endif

664
665
666
667
#ifndef MICROPY_PY_MACHINE
#define MICROPY_PY_MACHINE (0)
#endif

668
669
670
/*****************************************************************************/
/* Hooks for a port to add builtins                                          */

671
// Additional builtin function definitions - see builtintables.c:builtin_object_table for format.
672
673
#ifndef MICROPY_PORT_BUILTINS
#define MICROPY_PORT_BUILTINS
674
#endif
675
676

// Additional builtin module definitions - see builtintables.c:builtin_module_table for format.
677
678
#ifndef MICROPY_PORT_BUILTIN_MODULES
#define MICROPY_PORT_BUILTIN_MODULES
679
680
#endif

681
682
683
684
685
// Any module weak links - see builtintables.c:mp_builtin_module_weak_links_table.
#ifndef MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS
#define MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS
#endif

686
// Additional constant definitions for the compiler - see compile.c:mp_constants_table.
687
688
#ifndef MICROPY_PORT_CONSTANTS
#define MICROPY_PORT_CONSTANTS
689
690
#endif

691
692
693
694
695
// Any root pointers for GC scanning - see mpstate.c
#ifndef MICROPY_PORT_ROOT_POINTERS
#define MICROPY_PORT_ROOT_POINTERS
#endif

696
697
698
/*****************************************************************************/
/* Miscellaneous settings                                                    */

699
700
701
702
703
704
705
706
// All uPy objects in ROM must be aligned on at least a 4 byte boundary
// so that the small-int/qstr/pointer distinction can be made.  For machines
// that don't do this (eg 16-bit CPU), define the following macro to something
// like __attribute__((aligned(4))).
#ifndef MICROPY_OBJ_BASE_ALIGNMENT
#define MICROPY_OBJ_BASE_ALIGNMENT
#endif

707
708
// On embedded platforms, these will typically enable/disable irqs.
#ifndef MICROPY_BEGIN_ATOMIC_SECTION
709
#define MICROPY_BEGIN_ATOMIC_SECTION() (0)
710
711
#endif
#ifndef MICROPY_END_ATOMIC_SECTION
712
#define MICROPY_END_ATOMIC_SECTION(state) (void)(state)
713
714
#endif

715
716
717
718
719
720
// Allow to override static modifier for global objects, e.g. to use with
// object code analysis tools which don't support static symbols.
#ifndef STATIC
#define STATIC static
#endif

721
722
#define BITS_PER_BYTE (8)
#define BITS_PER_WORD (BITS_PER_BYTE * BYTES_PER_WORD)
723
724
// mp_int_t value with most significant bit set
#define WORD_MSBIT_HIGH (((mp_uint_t)1) << (BYTES_PER_WORD * 8 - 1))
725

726
727
728
729
730
731
732
733
734
735
736
737
738
739
// Make sure both MP_ENDIANNESS_LITTLE and MP_ENDIANNESS_BIG are
// defined and that they are the opposite of each other.
#if defined(MP_ENDIANNESS_LITTLE)
#define MP_ENDIANNESS_BIG (!MP_ENDIANNESS_LITTLE)
#elif defined(MP_ENDIANNESS_BIG)
#define MP_ENDIANNESS_LITTLE (!MP_ENDIANNESS_BIG)
#else
  // Endiannes not defined by port so try to autodetect it.
  #if defined(__BYTE_ORDER__)
    #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
      #define MP_ENDIANNESS_LITTLE (1)
    #else
      #define MP_ENDIANNESS_LITTLE (0)
    #endif
740
741
  #elif defined(__LITTLE_ENDIAN__) || defined(__LITTLE_ENDIAN) || defined (_LITTLE_ENDIAN)
    #define MP_ENDIANNESS_LITTLE (1)
742
743
744
  #elif defined(__BIG_ENDIAN__) || defined(__BIG_ENDIAN) || defined (_BIG_ENDIAN)
    #define MP_ENDIANNESS_LITTLE (0)
  #else
745
746
747
748
749
750
751
752
753
754
    #include <endian.h>
      #if defined(__BYTE_ORDER)
        #if __BYTE_ORDER == __LITTLE_ENDIAN
          #define MP_ENDIANNESS_LITTLE (1)
        #else
          #define MP_ENDIANNESS_LITTLE (0)
        #endif
      #else
        #error endianness not defined and cannot detect it
      #endif
755
756
  #endif
  #define MP_ENDIANNESS_BIG (!MP_ENDIANNESS_LITTLE)
757
#endif
758

759
760
761
762
763
764
// Make a pointer to RAM callable (eg set lower bit for Thumb code)
// (This scheme won't work if we want to mix Thumb and normal ARM code.)
#ifndef MICROPY_MAKE_POINTER_CALLABLE
#define MICROPY_MAKE_POINTER_CALLABLE(p) (p)
#endif

765
// If these MP_PLAT_*_EXEC macros are overridden then the memory allocated by them
766
767
// must be somehow reachable for marking by the GC, since the native code
// generators store pointers to GC managed memory in the code.
768
#ifndef MP_PLAT_ALLOC_EXEC
769
#define MP_PLAT_ALLOC_EXEC(min_size, ptr, size) do { *ptr = m_new(byte, min_size); *size = min_size; } while (0)
770
771
772
773
774
775
#endif

#ifndef MP_PLAT_FREE_EXEC
#define MP_PLAT_FREE_EXEC(ptr, size) m_del(byte, ptr, size)
#endif

776
777
778
779
780
// This macro is used to do all output (except when MICROPY_PY_IO is defined)
#ifndef MP_PLAT_PRINT_STRN
#define MP_PLAT_PRINT_STRN(str, len) printf("%.*s", (int)len, str)
#endif

781
782
783
784
#ifndef MP_SSIZE_MAX
#define MP_SSIZE_MAX SSIZE_MAX
#endif

785
// printf format spec to use for mp_int_t and friends
786
787
#ifndef INT_FMT
#ifdef __LP64__
788
// Archs where mp_int_t == long, long != int
789
790
791
#define UINT_FMT "%lu"
#define INT_FMT "%ld"
#else
792
// Archs where mp_int_t == int
793
794
795
796
#define UINT_FMT "%u"
#define INT_FMT "%d"
#endif
#endif //INT_FMT
797
798

// Modifier for function which doesn't return
stijn's avatar
stijn committed
799
#ifndef NORETURN
800
#define NORETURN __attribute__((noreturn))
stijn's avatar
stijn committed
801
#endif
mux's avatar
mux committed
802
803
804
805
806

// Modifier for weak functions
#ifndef MP_WEAK
#define MP_WEAK __attribute__((weak))
#endif
807
808
809
810
811
812
813
814
815
816

// Condition is likely to be true, to help branch prediction
#ifndef MP_LIKELY
#define MP_LIKELY(x) __builtin_expect((x), 1)
#endif

// Condition is likely to be false, to help branch prediction
#ifndef MP_UNLIKELY
#define MP_UNLIKELY(x) __builtin_expect((x), 0)
#endif
817
818

#endif // __MICROPY_INCLUDED_PY_MPCONFIG_H__