Skip to content
Navigation Menu
{{ message }}
forked from adafruit/circuitpython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathmpconfig.h
More file actions
1001 lines (823 loc) · 31.4 KB
/
Copy pathmpconfig.h
File metadata and controls
1001 lines (823 loc) · 31.4 KB
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
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* 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.
*/
#ifndef __MICROPY_INCLUDED_PY_MPCONFIG_H__
#define __MICROPY_INCLUDED_PY_MPCONFIG_H__
// This file contains default configuration settings for MicroPython.
// You can override any of the options below using mpconfigport.h file
// located in a directory of your port.
// 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
#include <mpconfigport.h>
#endif
// Any options not explicitly set in mpconfigport.h will get default
// values below.
/*****************************************************************************/
/* 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)
// A MicroPython object is a machine word having the following form (called R):
// - iiiiiiii iiiiiiii iiiiiiii iiiiiii1 small int with 31-bit signed value
// - 01111111 1qqqqqqq qqqqqqqq qqqqq110 str with 20-bit qstr value
// - s1111111 10000000 00000000 00000010 +/- inf
// - s1111111 1xxxxxxx xxxxxxxx xxxxx010 nan, x != 0
// - seeeeeee efffffff ffffffff ffffff10 30-bit fp, e != 0xff
// - pppppppp pppppppp pppppppp pppppp00 ptr (4 byte alignment)
// Str and float stored as O = R + 0x80800000, retrieved as R = O - 0x80800000.
// This makes strs easier to encode/decode as they have zeros in the top 9 bits.
// This scheme only works with 32-bit word size and float enabled.
#define MICROPY_OBJ_REPR_C (2)
// A MicroPython object is a 64-bit word having the following form (called R):
// - seeeeeee eeeeffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff 64-bit fp, e != 0x7ff
// - s1111111 11110000 00000000 00000000 00000000 00000000 00000000 00000000 +/- inf
// - 01111111 11111000 00000000 00000000 00000000 00000000 00000000 00000000 normalised nan
// - 01111111 11111101 00000000 00000000 iiiiiiii iiiiiiii iiiiiiii iiiiiii1 small int
// - 01111111 11111110 00000000 00000000 qqqqqqqq qqqqqqqq qqqqqqqq qqqqqqq1 str
// - 01111111 11111100 00000000 00000000 pppppppp pppppppp pppppppp pppppp00 ptr (4 byte alignment)
// Stored as O = R + 0x8004000000000000, retrieved as R = O - 0x8004000000000000.
// This makes pointers have all zeros in the top 32 bits.
// Small-ints and strs have 1 as LSB to make sure they don't look like pointers
// to the garbage collector.
#define MICROPY_OBJ_REPR_D (3)
#ifndef MICROPY_OBJ_REPR
#define MICROPY_OBJ_REPR (MICROPY_OBJ_REPR_A)
#endif
/*****************************************************************************/
/* Memory allocation policy */
// Number of bytes in memory allocation/GC block. Any size allocated will be
// rounded up to be multiples of this.
#ifndef MICROPY_BYTES_PER_GC_BLOCK
#define MICROPY_BYTES_PER_GC_BLOCK (4 * BYTES_PER_WORD)
#endif
// 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
// 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
// Initial amount for lexer indentation level
#ifndef MICROPY_ALLOC_LEXER_INDENT_INIT
#define MICROPY_ALLOC_LEXER_INDENT_INIT (10)
#endif
// Increment for lexer indentation level
#ifndef MICROPY_ALLOC_LEXEL_INDENT_INC
#define MICROPY_ALLOC_LEXEL_INDENT_INC (8)
#endif
// Initial amount for parse rule stack
#ifndef MICROPY_ALLOC_PARSE_RULE_INIT
#define MICROPY_ALLOC_PARSE_RULE_INIT (64)
#endif
// Increment for parse rule stack
#ifndef MICROPY_ALLOC_PARSE_RULE_INC
#define MICROPY_ALLOC_PARSE_RULE_INC (16)
#endif
// Initial amount for parse result stack
#ifndef MICROPY_ALLOC_PARSE_RESULT_INIT
#define MICROPY_ALLOC_PARSE_RESULT_INIT (32)
#endif
// Increment for parse result stack
#ifndef MICROPY_ALLOC_PARSE_RESULT_INC
#define MICROPY_ALLOC_PARSE_RESULT_INC (16)
#endif
// 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
// Number of bytes to allocate initially when creating new chunks to store
// parse nodes. Small leads to fragmentation, large leads to excess use.
#ifndef MICROPY_ALLOC_PARSE_CHUNK_INIT
#define MICROPY_ALLOC_PARSE_CHUNK_INIT (128)
#endif
// Initial amount for ids in a scope
#ifndef MICROPY_ALLOC_SCOPE_ID_INIT
#define MICROPY_ALLOC_SCOPE_ID_INIT (4)
#endif
// Increment for ids in a scope
#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)
#endif
// Initial size of module dict
#ifndef MICROPY_MODULE_DICT_SIZE
#define MICROPY_MODULE_DICT_SIZE (1)
#endif
// 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
// 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
// Number of bytes used to store qstr hash
#ifndef MICROPY_QSTR_BYTES_IN_HASH
#define MICROPY_QSTR_BYTES_IN_HASH (2)
#endif
// Avoid using C stack when making Python function calls. C stack still
// may be used if there's no free heap.
#ifndef MICROPY_STACKLESS
#define MICROPY_STACKLESS (0)
#endif
// 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
// Don't use alloca calls. As alloca() is not part of ANSI C, this
// workaround option is provided for compilers lacking this de-facto
// standard function. The way it works is allocating from heap, and
// relying on garbage collection to free it eventually. This is of
// course much less optimal than real alloca().
#if defined(MICROPY_NO_ALLOCA) && MICROPY_NO_ALLOCA
#undef alloca
#define alloca(x) m_malloc(x)
#endif
/*****************************************************************************/
/* Micro Python emitters */
// Whether to support loading of persistent code
#ifndef MICROPY_PERSISTENT_CODE_LOAD
#define MICROPY_PERSISTENT_CODE_LOAD (0)
#endif
// Whether to support saving of persistent code
#ifndef MICROPY_PERSISTENT_CODE_SAVE
#define MICROPY_PERSISTENT_CODE_SAVE (0)
#endif
// Whether generated code can persist independently of the VM/runtime instance
// This is enabled automatically when needed by other features
#ifndef MICROPY_PERSISTENT_CODE
#define MICROPY_PERSISTENT_CODE (MICROPY_PERSISTENT_CODE_LOAD || MICROPY_PERSISTENT_CODE_SAVE)
#endif
// Whether to emit x64 native code
#ifndef MICROPY_EMIT_X64
#define MICROPY_EMIT_X64 (0)
#endif
// Whether to emit x86 native code
#ifndef MICROPY_EMIT_X86
#define MICROPY_EMIT_X86 (0)
#endif
// Whether to emit thumb native code
#ifndef MICROPY_EMIT_THUMB
#define MICROPY_EMIT_THUMB (0)
#endif
// Whether to enable the thumb inline assembler
#ifndef MICROPY_EMIT_INLINE_THUMB
#define MICROPY_EMIT_INLINE_THUMB (0)
#endif
// Whether to enable ARMv7-M instruction support in the Thumb2 inline assembler
#ifndef MICROPY_EMIT_INLINE_THUMB_ARMV7M
#define MICROPY_EMIT_INLINE_THUMB_ARMV7M (1)
#endif
// Whether to enable float support in the Thumb2 inline assembler
#ifndef MICROPY_EMIT_INLINE_THUMB_FLOAT
#define MICROPY_EMIT_INLINE_THUMB_FLOAT (1)
#endif
// Whether to emit ARM native code
#ifndef MICROPY_EMIT_ARM
#define MICROPY_EMIT_ARM (0)
#endif
// Convenience definition for whether any native emitter is enabled
#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM)
/*****************************************************************************/
/* Compiler configuration */
// Whether to include the compiler
#ifndef MICROPY_ENABLE_COMPILER
#define MICROPY_ENABLE_COMPILER (1)
#endif
// Whether the compiler is dynamically configurable (ie at runtime)
#ifndef MICROPY_DYNAMIC_COMPILER
#define MICROPY_DYNAMIC_COMPILER (0)
#endif
// Configure dynamic compiler macros
#if MICROPY_DYNAMIC_COMPILER
#define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE_DYNAMIC (mp_dynamic_compiler.opt_cache_map_lookup_in_bytecode)
#define MICROPY_PY_BUILTINS_STR_UNICODE_DYNAMIC (mp_dynamic_compiler.py_builtins_str_unicode)
#else
#define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE_DYNAMIC MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE
#define MICROPY_PY_BUILTINS_STR_UNICODE_DYNAMIC MICROPY_PY_BUILTINS_STR_UNICODE
#endif
// Whether to enable constant folding; eg 1+2 rewritten as 3
#ifndef MICROPY_COMP_CONST_FOLDING
#define MICROPY_COMP_CONST_FOLDING (1)
#endif
// Whether to enable lookup of constants in modules; eg module.CONST
#ifndef MICROPY_COMP_MODULE_CONST
#define MICROPY_COMP_MODULE_CONST (0)
#endif
// Whether to enable constant optimisation; id = const(value)
#ifndef MICROPY_COMP_CONST
#define MICROPY_COMP_CONST (1)
#endif
// 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
/*****************************************************************************/
/* Internal debugging stuff */
// Whether to collect memory allocation stats
#ifndef MICROPY_MEM_STATS
#define MICROPY_MEM_STATS (0)
#endif
// Whether to build functions that print debugging info:
// mp_lexer_show_token
// mp_bytecode_print
// mp_parse_node_print
#ifndef MICROPY_DEBUG_PRINTERS
#define MICROPY_DEBUG_PRINTERS (0)
#endif
/*****************************************************************************/
/* 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
// 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
// Whether to use fast versions of bitwise operations (and, or, xor) when the
// arguments are both positive. Increases Thumb2 code size by about 250 bytes.
#ifndef MICROPY_OPT_MPZ_BITWISE
#define MICROPY_OPT_MPZ_BITWISE (0)
#endif
/*****************************************************************************/
/* Python internal features */
// Hook for the VM at the start of the opcode loop (can contain variable
// definitions usable by the other hook functions)
#ifndef MICROPY_VM_HOOK_INIT
#define MICROPY_VM_HOOK_INIT
#endif
// Hook for the VM during the opcode loop (but only after jump opcodes)
#ifndef MICROPY_VM_HOOK_LOOP
#define MICROPY_VM_HOOK_LOOP
#endif
// Hook for the VM just before return opcode is finished being interpreted
#ifndef MICROPY_VM_HOOK_RETURN
#define MICROPY_VM_HOOK_RETURN
#endif
// Whether to include the garbage collector
#ifndef MICROPY_ENABLE_GC
#define MICROPY_ENABLE_GC (0)
#endif
// Whether to enable finalisers in the garbage collector (ie call __del__)
#ifndef MICROPY_ENABLE_FINALISER
#define MICROPY_ENABLE_FINALISER (0)
#endif
// Whether to check C stack usage. C stack used for calling Python functions,
// etc. Not checking means segfault on overflow.
#ifndef MICROPY_STACK_CHECK
#define MICROPY_STACK_CHECK (0)
#endif
// 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
// Prefer to raise KeyboardInterrupt asynchronously (from signal or interrupt
// handler) - if supported by a particular port.
#ifndef MICROPY_ASYNC_KBD_INTR
#define MICROPY_ASYNC_KBD_INTR (0)
#endif
// Whether to include REPL helper function
#ifndef MICROPY_HELPER_REPL
#define MICROPY_HELPER_REPL (0)
#endif
// Whether to include emacs-style readline behavior in REPL
#ifndef MICROPY_REPL_EMACS_KEYS
#define MICROPY_REPL_EMACS_KEYS (0)
#endif
// Whether to implement auto-indent in REPL
#ifndef MICROPY_REPL_AUTO_INDENT
#define MICROPY_REPL_AUTO_INDENT (0)
#endif
// Whether port requires event-driven REPL functions
#ifndef MICROPY_REPL_EVENT_DRIVEN
#define MICROPY_REPL_EVENT_DRIVEN (0)
#endif
// Whether to include lexer helper function for unix
#ifndef MICROPY_HELPER_LEXER_UNIX
#define MICROPY_HELPER_LEXER_UNIX (0)
#endif
// Long int implementation
#define MICROPY_LONGINT_IMPL_NONE (0)
#define MICROPY_LONGINT_IMPL_LONGLONG (1)
#define MICROPY_LONGINT_IMPL_MPZ (2)
#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
// 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
// Whether to include doc strings (increases RAM usage)
#ifndef MICROPY_ENABLE_DOC_STRING
#define MICROPY_ENABLE_DOC_STRING (0)
#endif
// Exception messages are short static strings
#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
// Whether issue warnings during compiling/execution
#ifndef MICROPY_WARNINGS
#define MICROPY_WARNINGS (0)
#endif
// 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
#define MICROPY_PY_BUILTINS_FLOAT (1)
#define MICROPY_FLOAT_C_FUN(fun) fun##f
typedef float mp_float_t;
#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
#define MICROPY_PY_BUILTINS_FLOAT (1)
#define MICROPY_FLOAT_C_FUN(fun) fun
typedef double mp_float_t;
#else
#define MICROPY_PY_BUILTINS_FLOAT (0)
#endif
#ifndef MICROPY_PY_BUILTINS_COMPLEX
#define MICROPY_PY_BUILTINS_COMPLEX (MICROPY_PY_BUILTINS_FLOAT)
#endif
// 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)
#endif
// Whether POSIX-semantics non-blocking streams are supported
#ifndef MICROPY_STREAMS_NON_BLOCK
#define MICROPY_STREAMS_NON_BLOCK (0)
#endif
// Whether to call __init__ when importing builtin modules for the first time
#ifndef MICROPY_MODULE_BUILTIN_INIT
#define MICROPY_MODULE_BUILTIN_INIT (0)
#endif
// Whether module weak links are supported
#ifndef MICROPY_MODULE_WEAK_LINKS
#define MICROPY_MODULE_WEAK_LINKS (0)
#endif
// Whether frozen modules are supported
#ifndef MICROPY_MODULE_FROZEN
#define MICROPY_MODULE_FROZEN (0)
#endif
// Whether you can override builtins in the builtins module
#ifndef MICROPY_CAN_OVERRIDE_BUILTINS
#define MICROPY_CAN_OVERRIDE_BUILTINS (0)
#endif
// 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
// Support for user-space VFS mount (selected ports)
#ifndef MICROPY_FSUSERMOUNT
#define MICROPY_FSUSERMOUNT (0)
#endif
/*****************************************************************************/
/* Fine control over Python builtins, classes, modules, etc */
// Whether to implement attributes on functions
#ifndef MICROPY_PY_FUNCTION_ATTRS
#define MICROPY_PY_FUNCTION_ATTRS (0)
#endif
// 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
// Whether str object is proper unicode
#ifndef MICROPY_PY_BUILTINS_STR_UNICODE
#define MICROPY_PY_BUILTINS_STR_UNICODE (0)
#endif
// Whether str.splitlines() method provided
#ifndef MICROPY_PY_BUILTINS_STR_SPLITLINES
#define MICROPY_PY_BUILTINS_STR_SPLITLINES (0)
#endif
// Whether to support bytearray object
#ifndef MICROPY_PY_BUILTINS_BYTEARRAY
#define MICROPY_PY_BUILTINS_BYTEARRAY (1)
#endif
// Whether to support memoryview object
#ifndef MICROPY_PY_BUILTINS_MEMORYVIEW
#define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
#endif
// Whether to support set object
#ifndef MICROPY_PY_BUILTINS_SET
#define MICROPY_PY_BUILTINS_SET (1)
#endif
// Whether to support slice subscript operators and slice object
#ifndef MICROPY_PY_BUILTINS_SLICE
#define MICROPY_PY_BUILTINS_SLICE (1)
#endif
// Whether to support slice attribute read access,
// i.e. slice.start, slice.stop, slice.step
#ifndef MICROPY_PY_BUILTINS_SLICE_ATTRS
#define MICROPY_PY_BUILTINS_SLICE_ATTRS (0)
#endif
// Whether to support frozenset object
#ifndef MICROPY_PY_BUILTINS_FROZENSET
#define MICROPY_PY_BUILTINS_FROZENSET (0)
#endif
// Whether to support property object
#ifndef MICROPY_PY_BUILTINS_PROPERTY
#define MICROPY_PY_BUILTINS_PROPERTY (1)
#endif
// 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
// Whether to support timeout exceptions (like socket.timeout)
#ifndef MICROPY_PY_BUILTINS_TIMEOUTERROR
#define MICROPY_PY_BUILTINS_TIMEOUTERROR (0)
#endif
// 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
// Whether to support compile function
#ifndef MICROPY_PY_BUILTINS_COMPILE
#define MICROPY_PY_BUILTINS_COMPILE (0)
#endif
// Whether to support enumerate function(type)
#ifndef MICROPY_PY_BUILTINS_ENUMERATE
#define MICROPY_PY_BUILTINS_ENUMERATE (1)
#endif
// Whether to support eval and exec functions
// By default they are supported if the compiler is enabled
#ifndef MICROPY_PY_BUILTINS_EVAL_EXEC
#define MICROPY_PY_BUILTINS_EVAL_EXEC (MICROPY_ENABLE_COMPILER)
#endif
// Whether to support the Python 2 execfile function
#ifndef MICROPY_PY_BUILTINS_EXECFILE
#define MICROPY_PY_BUILTINS_EXECFILE (0)
#endif
// Whether to support filter function(type)
#ifndef MICROPY_PY_BUILTINS_FILTER
#define MICROPY_PY_BUILTINS_FILTER (1)
#endif
// Whether to support reversed function(type)
#ifndef MICROPY_PY_BUILTINS_REVERSED
#define MICROPY_PY_BUILTINS_REVERSED (1)
#endif
// Whether to define "NotImplemented" special constant
#ifndef MICROPY_PY_BUILTINS_NOTIMPLEMENTED
#define MICROPY_PY_BUILTINS_NOTIMPLEMENTED (0)
#endif
// Whether to support min/max functions
#ifndef MICROPY_PY_BUILTINS_MIN_MAX
#define MICROPY_PY_BUILTINS_MIN_MAX (1)
#endif
// Whether to set __file__ for imported modules
#ifndef MICROPY_PY___FILE__
#define MICROPY_PY___FILE__ (1)
#endif
// Whether to provide mem-info related functions in micropython module
#ifndef MICROPY_PY_MICROPYTHON_MEM_INFO
#define MICROPY_PY_MICROPYTHON_MEM_INFO (0)
#endif
// 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
// 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
// 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
// Whether to provide "collections" module
#ifndef MICROPY_PY_COLLECTIONS
#define MICROPY_PY_COLLECTIONS (1)
#endif
// Whether to provide "collections.OrderedDict" type
#ifndef MICROPY_PY_COLLECTIONS_ORDEREDDICT
#define MICROPY_PY_COLLECTIONS_ORDEREDDICT (0)
#endif
// Whether to provide "math" module
#ifndef MICROPY_PY_MATH
#define MICROPY_PY_MATH (1)
#endif
// 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
// Whether to provide "cmath" module
#ifndef MICROPY_PY_CMATH
#define MICROPY_PY_CMATH (0)
#endif
// Whether to provide "gc" module
#ifndef MICROPY_PY_GC
#define MICROPY_PY_GC (1)
#endif
// Whether to return number of collected objects from gc.collect()
#ifndef MICROPY_PY_GC_COLLECT_RETVAL
#define MICROPY_PY_GC_COLLECT_RETVAL (0)
#endif
// Whether to provide "io" module
#ifndef MICROPY_PY_IO
#define MICROPY_PY_IO (1)
#endif
// Whether to provide "io.FileIO" class
#ifndef MICROPY_PY_IO_FILEIO
#define MICROPY_PY_IO_FILEIO (0)
#endif
// Whether to provide "io.BytesIO" class
#ifndef MICROPY_PY_IO_BYTESIO
#define MICROPY_PY_IO_BYTESIO (1)
#endif
// Whether to provide "io.BufferedWriter" class
#ifndef MICROPY_PY_IO_BUFFEREDWRITER
#define MICROPY_PY_IO_BUFFEREDWRITER (0)
#endif
// Whether to provide "struct" module
#ifndef MICROPY_PY_STRUCT
#define MICROPY_PY_STRUCT (1)
#endif
// Whether to provide "sys" module
#ifndef MICROPY_PY_SYS
#define MICROPY_PY_SYS (1)
#endif
// Whether to provide "sys.maxsize" constant
#ifndef MICROPY_PY_SYS_MAXSIZE
#define MICROPY_PY_SYS_MAXSIZE (0)
#endif
// Whether to provide "sys.modules" dictionary
#ifndef MICROPY_PY_SYS_MODULES
#define MICROPY_PY_SYS_MODULES (1)
#endif
// 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
// Whether to provide "sys.exit" function
#ifndef MICROPY_PY_SYS_EXIT
#define MICROPY_PY_SYS_EXIT (0)
#endif
// Whether to provide sys.{stdin,stdout,stderr} objects
#ifndef MICROPY_PY_SYS_STDFILES
#define MICROPY_PY_SYS_STDFILES (0)
#endif
// 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
// Extended modules
#ifndef MICROPY_PY_UCTYPES
#define MICROPY_PY_UCTYPES (0)
#endif
#ifndef MICROPY_PY_UZLIB
#define MICROPY_PY_UZLIB (0)
#endif
#ifndef MICROPY_PY_UJSON
#define MICROPY_PY_UJSON (0)
#endif
#ifndef MICROPY_PY_URE
#define MICROPY_PY_URE (0)
#endif
#ifndef MICROPY_PY_UHEAPQ
#define MICROPY_PY_UHEAPQ (0)
#endif
#ifndef MICROPY_PY_UHASHLIB
#define MICROPY_PY_UHASHLIB (0)
#endif
#ifndef MICROPY_PY_UBINASCII
#define MICROPY_PY_UBINASCII (0)
#endif
#ifndef MICROPY_PY_URANDOM
#define MICROPY_PY_URANDOM (0)
#endif
// Whether to include: randrange, randint, choice, random, uniform
#ifndef MICROPY_PY_URANDOM_EXTRA_FUNCS
#define MICROPY_PY_URANDOM_EXTRA_FUNCS (0)
#endif
#ifndef MICROPY_PY_MACHINE
#define MICROPY_PY_MACHINE (0)
#endif
#ifndef MICROPY_PY_USSL
#define MICROPY_PY_USSL (0)
#endif
#ifndef MICROPY_PY_WEBSOCKET
#define MICROPY_PY_WEBSOCKET (0)
#endif
/*****************************************************************************/
/* Hooks for a port to add builtins */
// Additional builtin function definitions - see builtintables.c:builtin_object_table for format.
#ifndef MICROPY_PORT_BUILTINS
#define MICROPY_PORT_BUILTINS
#endif
// Additional builtin module definitions - see builtintables.c:builtin_module_table for format.
#ifndef MICROPY_PORT_BUILTIN_MODULES
#define MICROPY_PORT_BUILTIN_MODULES
#endif
// 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
// Additional constant definitions for the compiler - see compile.c:mp_constants_table.
#ifndef MICROPY_PORT_CONSTANTS
#define MICROPY_PORT_CONSTANTS
#endif
// Any root pointers for GC scanning - see mpstate.c
#ifndef MICROPY_PORT_ROOT_POINTERS
#define MICROPY_PORT_ROOT_POINTERS
#endif
/*****************************************************************************/
/* Miscellaneous settings */
// 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
// On embedded platforms, these will typically enable/disable irqs.
#ifndef MICROPY_BEGIN_ATOMIC_SECTION
#define MICROPY_BEGIN_ATOMIC_SECTION() (0)
#endif
#ifndef MICROPY_END_ATOMIC_SECTION
#define MICROPY_END_ATOMIC_SECTION(state) (void)(state)
#endif
// 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
#define BITS_PER_BYTE (8)
#define BITS_PER_WORD (BITS_PER_BYTE * BYTES_PER_WORD)
// mp_int_t value with most significant bit set
#define WORD_MSBIT_HIGH (((mp_uint_t)1) << (BYTES_PER_WORD * 8 - 1))
// 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
#elif defined(__LITTLE_ENDIAN__) || defined(__LITTLE_ENDIAN) || defined (_LITTLE_ENDIAN)
#define MP_ENDIANNESS_LITTLE (1)
#elif defined(__BIG_ENDIAN__) || defined(__BIG_ENDIAN) || defined (_BIG_ENDIAN)
#define MP_ENDIANNESS_LITTLE (0)
#else
#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
#endif
#define MP_ENDIANNESS_BIG (!MP_ENDIANNESS_LITTLE)
#endif
// 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
// If these MP_PLAT_*_EXEC macros are overridden then the memory allocated by them
// must be somehow reachable for marking by the GC, since the native code
// generators store pointers to GC managed memory in the code.
#ifndef MP_PLAT_ALLOC_EXEC
#define MP_PLAT_ALLOC_EXEC(min_size, ptr, size) do { *ptr = m_new(byte, min_size); *size = min_size; } while (0)
#endif
#ifndef MP_PLAT_FREE_EXEC
#define MP_PLAT_FREE_EXEC(ptr, size) m_del(byte, ptr, size)
#endif
// 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) mp_hal_stdout_tx_strn_cooked(str, len)
#endif
#ifndef MP_SSIZE_MAX
#define MP_SSIZE_MAX SSIZE_MAX
#endif
// printf format spec to use for mp_int_t and friends
#ifndef INT_FMT
#if defined(__LP64__)
// Archs where mp_int_t == long, long != int
#define UINT_FMT "%lu"
#define INT_FMT "%ld"
#elif defined(_WIN64)
#define UINT_FMT "%llu"
#define INT_FMT "%lld"
#else
// Archs where mp_int_t == int
#define UINT_FMT "%u"
#define INT_FMT "%d"
#endif
#endif //INT_FMT
// Modifier for function which doesn't return
#ifndef NORETURN
#define NORETURN __attribute__((noreturn))
#endif
// Modifier for weak functions
#ifndef MP_WEAK
#define MP_WEAK __attribute__((weak))
#endif
// 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
You can’t perform that action at this time.