mirror of
https://github.com/licsber/micropython.git
synced 2024-09-20 09:00:23 +08:00
2127e9a844
Native code has GC-heap pointers in it so it must be scanned. But on unix port memory for native functions is mmap'd, and so it must have explicit code to scan it for root pointers.
621 lines
18 KiB
C
621 lines
18 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __MICROPY_INCLUDED_PY_MPCONFIG_H__
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#define __MICROPY_INCLUDED_PY_MPCONFIG_H__
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// This file contains default configuration settings for MicroPython.
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// You can override any of the options below using mpconfigport.h file
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// located in a directory of your port.
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// mpconfigport.h is a file containing configuration settings for a
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// particular port. mpconfigport.h is actually a default name for
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// such config, and it can be overriden using MP_CONFIGFILE preprocessor
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// define (you can do that by passing CFLAGS_EXTRA='-DMP_CONFIGFILE="<file.h>"'
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// argument to make when using standard MicroPython makefiles).
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// This is useful to have more than one config per port, for example,
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// release vs debug configs, etc. Note that if you switch from one config
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// to another, you must rebuild from scratch using "-B" switch to make.
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#ifdef MP_CONFIGFILE
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#include MP_CONFIGFILE
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#else
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#include <mpconfigport.h>
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#endif
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// Any options not explicitly set in mpconfigport.h will get default
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// values below.
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/*****************************************************************************/
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/* Memory allocation policy */
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// Number of words allocated (in BSS) to the GC stack (minimum is 1)
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#ifndef MICROPY_ALLOC_GC_STACK_SIZE
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#define MICROPY_ALLOC_GC_STACK_SIZE (64)
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#endif
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// Initial amount for lexer indentation level
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#ifndef MICROPY_ALLOC_LEXER_INDENT_INIT
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#define MICROPY_ALLOC_LEXER_INDENT_INIT (10)
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#endif
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// Increment for lexer indentation level
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#ifndef MICROPY_ALLOC_LEXEL_INDENT_INC
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#define MICROPY_ALLOC_LEXEL_INDENT_INC (8)
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#endif
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// Initial amount for parse rule stack
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#ifndef MICROPY_ALLOC_PARSE_RULE_INIT
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#define MICROPY_ALLOC_PARSE_RULE_INIT (64)
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#endif
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// Increment for parse rule stack
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#ifndef MICROPY_ALLOC_PARSE_RULE_INC
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#define MICROPY_ALLOC_PARSE_RULE_INC (16)
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#endif
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// Initial amount for parse result stack
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#ifndef MICROPY_ALLOC_PARSE_RESULT_INIT
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#define MICROPY_ALLOC_PARSE_RESULT_INIT (32)
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#endif
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// Increment for parse result stack
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#ifndef MICROPY_ALLOC_PARSE_RESULT_INC
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#define MICROPY_ALLOC_PARSE_RESULT_INC (16)
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#endif
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// Strings this length or less will be interned by the parser
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#ifndef MICROPY_ALLOC_PARSE_INTERN_STRING_LEN
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#define MICROPY_ALLOC_PARSE_INTERN_STRING_LEN (10)
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#endif
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// Initial amount for ids in a scope
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#ifndef MICROPY_ALLOC_SCOPE_ID_INIT
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#define MICROPY_ALLOC_SCOPE_ID_INIT (4)
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#endif
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// Increment for ids in a scope
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#ifndef MICROPY_ALLOC_SCOPE_ID_INC
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#define MICROPY_ALLOC_SCOPE_ID_INC (6)
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#endif
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// Maximum length of a path in the filesystem
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// So we can allocate a buffer on the stack for path manipulation in import
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#ifndef MICROPY_ALLOC_PATH_MAX
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#define MICROPY_ALLOC_PATH_MAX (512)
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#endif
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// Initial size of module dict
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#ifndef MICROPY_MODULE_DICT_SIZE
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#define MICROPY_MODULE_DICT_SIZE (1)
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#endif
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// Number of bytes used to store qstr length
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// Dictates hard limit on maximum Python identifier length, but 1 byte
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// (limit of 255 bytes in an identifier) should be enough for everyone
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#ifndef MICROPY_QSTR_BYTES_IN_LEN
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#define MICROPY_QSTR_BYTES_IN_LEN (1)
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#endif
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/*****************************************************************************/
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/* Micro Python emitters */
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// Whether to emit CPython byte codes (for debugging/testing)
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// Enabling this overrides all other emitters
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#ifndef MICROPY_EMIT_CPYTHON
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#define MICROPY_EMIT_CPYTHON (0)
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#endif
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// Whether to emit x64 native code
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#ifndef MICROPY_EMIT_X64
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#define MICROPY_EMIT_X64 (0)
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#endif
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// Whether to emit x86 native code
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#ifndef MICROPY_EMIT_X86
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#define MICROPY_EMIT_X86 (0)
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#endif
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// Whether to emit thumb native code
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#ifndef MICROPY_EMIT_THUMB
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#define MICROPY_EMIT_THUMB (0)
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#endif
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// Whether to enable the thumb inline assembler
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#ifndef MICROPY_EMIT_INLINE_THUMB
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#define MICROPY_EMIT_INLINE_THUMB (0)
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#endif
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// Whether to emit ARM native code
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#ifndef MICROPY_EMIT_ARM
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#define MICROPY_EMIT_ARM (0)
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#endif
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// Convenience definition for whether any native emitter is enabled
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#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM)
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/*****************************************************************************/
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/* Compiler configuration */
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// Whether to enable lookup of constants in modules; eg module.CONST
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#ifndef MICROPY_COMP_MODULE_CONST
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#define MICROPY_COMP_MODULE_CONST (0)
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#endif
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// Whether to enable constant optimisation; id = const(value)
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#ifndef MICROPY_COMP_CONST
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#define MICROPY_COMP_CONST (1)
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#endif
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/*****************************************************************************/
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/* Internal debugging stuff */
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// Whether to collect memory allocation stats
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#ifndef MICROPY_MEM_STATS
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#define MICROPY_MEM_STATS (0)
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#endif
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// Whether to build functions that print debugging info:
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// mp_token_show
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// mp_bytecode_print
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// mp_parse_node_print
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#ifndef MICROPY_DEBUG_PRINTERS
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#define MICROPY_DEBUG_PRINTERS (0)
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#endif
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/*****************************************************************************/
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/* Optimisations */
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// Whether to use computed gotos in the VM, or a switch
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// Computed gotos are roughly 10% faster, and increase VM code size by a little
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#ifndef MICROPY_OPT_COMPUTED_GOTO
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#define MICROPY_OPT_COMPUTED_GOTO (0)
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#endif
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// Whether to cache result of map lookups in LOAD_NAME, LOAD_GLOBAL, LOAD_ATTR,
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// STORE_ATTR bytecodes. Uses 1 byte extra RAM for each of these opcodes and
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// uses a bit of extra code ROM, but greatly improves lookup speed.
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#ifndef MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE
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#define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (0)
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#endif
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/*****************************************************************************/
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/* Python internal features */
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// Whether to include the garbage collector
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#ifndef MICROPY_ENABLE_GC
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#define MICROPY_ENABLE_GC (0)
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#endif
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// Whether to enable finalisers in the garbage collector (ie call __del__)
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#ifndef MICROPY_ENABLE_FINALISER
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#define MICROPY_ENABLE_FINALISER (0)
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#endif
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// Whether to check C stack usage. C stack used for calling Python functions,
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// etc. Not checking means segfault on overflow.
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#ifndef MICROPY_STACK_CHECK
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#define MICROPY_STACK_CHECK (0)
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#endif
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// Whether to have an emergency exception buffer
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#ifndef MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF
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#define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF (0)
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#endif
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#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF
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# ifndef MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE
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# define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE (0) // 0 - implies dynamic allocation
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# endif
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#endif
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// Whether to include REPL helper function
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#ifndef MICROPY_HELPER_REPL
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#define MICROPY_HELPER_REPL (0)
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#endif
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// Whether to include lexer helper function for unix
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#ifndef MICROPY_HELPER_LEXER_UNIX
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#define MICROPY_HELPER_LEXER_UNIX (0)
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#endif
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// Long int implementation
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#define MICROPY_LONGINT_IMPL_NONE (0)
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#define MICROPY_LONGINT_IMPL_LONGLONG (1)
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#define MICROPY_LONGINT_IMPL_MPZ (2)
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#ifndef MICROPY_LONGINT_IMPL
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#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_NONE)
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#endif
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#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
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typedef long long mp_longint_impl_t;
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#endif
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// Whether to include information in the byte code to determine source
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// line number (increases RAM usage, but doesn't slow byte code execution)
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#ifndef MICROPY_ENABLE_SOURCE_LINE
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#define MICROPY_ENABLE_SOURCE_LINE (0)
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#endif
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// Whether to include doc strings (increases RAM usage)
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#ifndef MICROPY_ENABLE_DOC_STRING
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#define MICROPY_ENABLE_DOC_STRING (0)
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#endif
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// Exception messages are short static strings
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#define MICROPY_ERROR_REPORTING_TERSE (1)
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// Exception messages provide basic error details
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#define MICROPY_ERROR_REPORTING_NORMAL (2)
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// Exception messages provide full info, e.g. object names
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#define MICROPY_ERROR_REPORTING_DETAILED (3)
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#ifndef MICROPY_ERROR_REPORTING
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#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_NORMAL)
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#endif
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// Whether issue warnings during compiling/execution
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#ifndef MICROPY_WARNINGS
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#define MICROPY_WARNINGS (0)
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#endif
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// Float and complex implementation
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#define MICROPY_FLOAT_IMPL_NONE (0)
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#define MICROPY_FLOAT_IMPL_FLOAT (1)
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#define MICROPY_FLOAT_IMPL_DOUBLE (2)
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#ifndef MICROPY_FLOAT_IMPL
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#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_NONE)
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#endif
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#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
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#define MICROPY_PY_BUILTINS_FLOAT (1)
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#define MICROPY_FLOAT_C_FUN(fun) fun##f
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typedef float mp_float_t;
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#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
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#define MICROPY_PY_BUILTINS_FLOAT (1)
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#define MICROPY_FLOAT_C_FUN(fun) fun
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typedef double mp_float_t;
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#else
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#define MICROPY_PY_BUILTINS_FLOAT (0)
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#endif
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#ifndef MICROPY_PY_BUILTINS_COMPLEX
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#define MICROPY_PY_BUILTINS_COMPLEX (MICROPY_PY_BUILTINS_FLOAT)
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#endif
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// Enable features which improve CPython compatibility
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// but may lead to more code size/memory usage.
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// TODO: Originally intended as generic category to not
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// add bunch of once-off options. May need refactoring later
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#ifndef MICROPY_CPYTHON_COMPAT
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#define MICROPY_CPYTHON_COMPAT (1)
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#endif
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// Whether POSIX-semantics non-blocking streams are supported
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#ifndef MICROPY_STREAMS_NON_BLOCK
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#define MICROPY_STREAMS_NON_BLOCK (0)
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#endif
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// Whether module weak links are supported
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#ifndef MICROPY_MODULE_WEAK_LINKS
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#define MICROPY_MODULE_WEAK_LINKS (0)
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#endif
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// Whether you can override builtins in the builtins module
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#ifndef MICROPY_CAN_OVERRIDE_BUILTINS
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#define MICROPY_CAN_OVERRIDE_BUILTINS (0)
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#endif
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/*****************************************************************************/
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/* Fine control over Python builtins, classes, modules, etc */
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// Whether str object is proper unicode
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#ifndef MICROPY_PY_BUILTINS_STR_UNICODE
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#define MICROPY_PY_BUILTINS_STR_UNICODE (0)
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#endif
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// Whether to support bytearray object
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#ifndef MICROPY_PY_BUILTINS_BYTEARRAY
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#define MICROPY_PY_BUILTINS_BYTEARRAY (1)
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#endif
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// Whether to support memoryview object
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#ifndef MICROPY_PY_BUILTINS_MEMORYVIEW
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#define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
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#endif
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// Whether to support set object
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#ifndef MICROPY_PY_BUILTINS_SET
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#define MICROPY_PY_BUILTINS_SET (1)
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#endif
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// Whether to support slice subscript operators and slice object
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#ifndef MICROPY_PY_BUILTINS_SLICE
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#define MICROPY_PY_BUILTINS_SLICE (1)
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#endif
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// Whether to support frozenset object
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#ifndef MICROPY_PY_BUILTINS_FROZENSET
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#define MICROPY_PY_BUILTINS_FROZENSET (0)
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#endif
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// Whether to support property object
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#ifndef MICROPY_PY_BUILTINS_PROPERTY
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#define MICROPY_PY_BUILTINS_PROPERTY (1)
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#endif
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// Whether to support compile function
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#ifndef MICROPY_PY_BUILTINS_COMPILE
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#define MICROPY_PY_BUILTINS_COMPILE (0)
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#endif
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// Whether to support the Python 2 execfile function
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#ifndef MICROPY_PY_BUILTINS_EXECFILE
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#define MICROPY_PY_BUILTINS_EXECFILE (0)
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#endif
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// Whether to set __file__ for imported modules
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#ifndef MICROPY_PY___FILE__
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#define MICROPY_PY___FILE__ (1)
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#endif
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// Whether to provide mem-info related functions in micropython module
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#ifndef MICROPY_PY_MICROPYTHON_MEM_INFO
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#define MICROPY_PY_MICROPYTHON_MEM_INFO (0)
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#endif
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// Whether to provide "array" module. Note that large chunk of the
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// underlying code is shared with "bytearray" builtin type, so to
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// get real savings, it should be disabled too.
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#ifndef MICROPY_PY_ARRAY
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#define MICROPY_PY_ARRAY (1)
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#endif
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// Whether to provide "collections" module
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#ifndef MICROPY_PY_COLLECTIONS
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#define MICROPY_PY_COLLECTIONS (1)
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#endif
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// Whether to provide "math" module
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#ifndef MICROPY_PY_MATH
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#define MICROPY_PY_MATH (1)
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#endif
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// Whether to provide "cmath" module
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#ifndef MICROPY_PY_CMATH
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#define MICROPY_PY_CMATH (0)
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#endif
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// Whether to provide "gc" module
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|
#ifndef MICROPY_PY_GC
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#define MICROPY_PY_GC (1)
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#endif
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// Whether to return number of collected objects from gc.collect()
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#ifndef MICROPY_PY_GC_COLLECT_RETVAL
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#define MICROPY_PY_GC_COLLECT_RETVAL (0)
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#endif
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// Whether to provide "io" module
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|
#ifndef MICROPY_PY_IO
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#define MICROPY_PY_IO (1)
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#endif
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// Whether to provide "io.FileIO" class
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#ifndef MICROPY_PY_IO_FILEIO
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#define MICROPY_PY_IO_FILEIO (0)
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#endif
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// Whether to provide "io.BytesIO" class
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#ifndef MICROPY_PY_IO_BYTESIO
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#define MICROPY_PY_IO_BYTESIO (1)
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#endif
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// Whether to provide "struct" module
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#ifndef MICROPY_PY_STRUCT
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#define MICROPY_PY_STRUCT (1)
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#endif
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// Whether to provide "sys" module
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#ifndef MICROPY_PY_SYS
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#define MICROPY_PY_SYS (1)
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#endif
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// Whether to provide "sys.maxsize" constant
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#ifndef MICROPY_PY_SYS_MAXSIZE
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#define MICROPY_PY_SYS_MAXSIZE (0)
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#endif
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// Whether to provide "sys.exit" function
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#ifndef MICROPY_PY_SYS_EXIT
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#define MICROPY_PY_SYS_EXIT (0)
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#endif
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// Whether to provide sys.{stdin,stdout,stderr} objects
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#ifndef MICROPY_PY_SYS_STDFILES
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#define MICROPY_PY_SYS_STDFILES (0)
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#endif
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// Extended modules
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#ifndef MICROPY_PY_UCTYPES
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#define MICROPY_PY_UCTYPES (0)
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#endif
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#ifndef MICROPY_PY_UZLIB
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#define MICROPY_PY_UZLIB (0)
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#endif
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#ifndef MICROPY_PY_UJSON
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#define MICROPY_PY_UJSON (0)
|
|
#endif
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|
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#ifndef MICROPY_PY_URE
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#define MICROPY_PY_URE (0)
|
|
#endif
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|
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#ifndef MICROPY_PY_UHEAPQ
|
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#define MICROPY_PY_UHEAPQ (0)
|
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#endif
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#ifndef MICROPY_PY_UHASHLIB
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#define MICROPY_PY_UHASHLIB (0)
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#endif
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#ifndef MICROPY_PY_UBINASCII
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#define MICROPY_PY_UBINASCII (0)
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#endif
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|
|
/*****************************************************************************/
|
|
/* Hooks for a port to add builtins */
|
|
|
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// Additional builtin function definitions - see builtintables.c:builtin_object_table for format.
|
|
#ifndef MICROPY_PORT_BUILTINS
|
|
#define MICROPY_PORT_BUILTINS
|
|
#endif
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|
|
|
// 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 */
|
|
|
|
// 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
|
|
#error endianness not defined and cannot detect it
|
|
#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_* 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
|
|
|
|
#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
|
|
#ifdef __LP64__
|
|
// Archs where mp_int_t == long, long != int
|
|
#define UINT_FMT "%lu"
|
|
#define INT_FMT "%ld"
|
|
#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
|
|
|
|
#endif // __MICROPY_INCLUDED_PY_MPCONFIG_H__
|