240 lines
8.3 KiB
C
240 lines
8.3 KiB
C
/*
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* This file is part of the MicroPython 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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// Options to control how MicroPython is built for this port, overriding
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// defaults in py/mpconfig.h. This file is mostly about configuring the
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// features to work on Unix-like systems, see mpconfigvariant.h (and
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// mpconfigvariant_common.h) for feature enabling.
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// For size_t and ssize_t
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#include <unistd.h>
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// Variant-specific definitions.
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#include "mpconfigvariant.h"
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#ifndef MICROPY_CONFIG_ROM_LEVEL
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#define MICROPY_CONFIG_ROM_LEVEL (MICROPY_CONFIG_ROM_LEVEL_CORE_FEATURES)
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#endif
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#ifndef MICROPY_PY_SYS_PLATFORM
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#if defined(__APPLE__) && defined(__MACH__)
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#define MICROPY_PY_SYS_PLATFORM "darwin"
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#else
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#define MICROPY_PY_SYS_PLATFORM "linux"
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#endif
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#endif
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#ifndef MICROPY_PY_SYS_PATH_DEFAULT
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#define MICROPY_PY_SYS_PATH_DEFAULT ".frozen:~/.micropython/lib:/usr/lib/micropython"
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#endif
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#define MP_STATE_PORT MP_STATE_VM
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// Configure which emitter to use for this target.
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#if !defined(MICROPY_EMIT_X64) && defined(__x86_64__)
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#define MICROPY_EMIT_X64 (1)
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#endif
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#if !defined(MICROPY_EMIT_X86) && defined(__i386__)
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#define MICROPY_EMIT_X86 (1)
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#endif
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#if !defined(MICROPY_EMIT_THUMB) && defined(__thumb2__)
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#define MICROPY_EMIT_THUMB (1)
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#define MICROPY_MAKE_POINTER_CALLABLE(p) ((void *)((mp_uint_t)(p) | 1))
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#endif
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// Some compilers define __thumb2__ and __arm__ at the same time, let
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// autodetected thumb2 emitter have priority.
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#if !defined(MICROPY_EMIT_ARM) && defined(__arm__) && !defined(__thumb2__)
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#define MICROPY_EMIT_ARM (1)
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#endif
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// Type definitions for the specific machine based on the word size.
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#ifndef MICROPY_OBJ_REPR
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#ifdef __LP64__
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typedef long mp_int_t; // must be pointer size
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typedef unsigned long mp_uint_t; // must be pointer size
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#else
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// These are definitions for machines where sizeof(int) == sizeof(void*),
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// regardless of actual size.
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typedef int mp_int_t; // must be pointer size
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typedef unsigned int mp_uint_t; // must be pointer size
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#endif
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#else
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// Assume that if we already defined the obj repr then we also defined types.
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#endif
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// Cannot include <sys/types.h>, as it may lead to symbol name clashes
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#if _FILE_OFFSET_BITS == 64 && !defined(__LP64__)
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typedef long long mp_off_t;
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#else
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typedef long mp_off_t;
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#endif
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// We need to provide a declaration/definition of alloca()
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// unless support for it is disabled.
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#if !defined(MICROPY_NO_ALLOCA) || MICROPY_NO_ALLOCA == 0
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#if defined(__FreeBSD__) || defined(__NetBSD__)
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#include <stdlib.h>
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#else
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#include <alloca.h>
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#endif
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#endif
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// Always enable GC.
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#define MICROPY_ENABLE_GC (1)
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#if !(defined(MICROPY_GCREGS_SETJMP) || defined(__x86_64__) || defined(__i386__) || defined(__thumb2__) || defined(__thumb__) || defined(__arm__))
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// Fall back to setjmp() implementation for discovery of GC pointers in registers.
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#define MICROPY_GCREGS_SETJMP (1)
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#endif
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// Enable the VFS, and enable the posix "filesystem".
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#define MICROPY_ENABLE_FINALISER (1)
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#define MICROPY_VFS (1)
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#define MICROPY_READER_VFS (1)
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#define MICROPY_HELPER_LEXER_UNIX (1)
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#define MICROPY_VFS_POSIX (1)
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#define MICROPY_READER_POSIX (1)
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// VFS stat functions should return time values relative to 1970/1/1
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#define MICROPY_EPOCH_IS_1970 (1)
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// Assume that select() call, interrupted with a signal, and erroring
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// with EINTR, updates remaining timeout value.
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#define MICROPY_SELECT_REMAINING_TIME (1)
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// Disable stackless by default.
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#ifndef MICROPY_STACKLESS
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#define MICROPY_STACKLESS (0)
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#define MICROPY_STACKLESS_STRICT (0)
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#endif
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// If settrace is enabled then we need code saving.
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#if MICROPY_PY_SYS_SETTRACE
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#define MICROPY_PERSISTENT_CODE_SAVE (1)
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#define MICROPY_COMP_CONST (0)
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#endif
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// Unix-specific configuration of machine.mem*.
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#define MICROPY_MACHINE_MEM_GET_READ_ADDR mod_machine_mem_get_addr
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#define MICROPY_MACHINE_MEM_GET_WRITE_ADDR mod_machine_mem_get_addr
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#define MICROPY_FATFS_ENABLE_LFN (1)
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#define MICROPY_FATFS_RPATH (2)
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#define MICROPY_FATFS_MAX_SS (4096)
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#define MICROPY_FATFS_LFN_CODE_PAGE 437 /* 1=SFN/ANSI 437=LFN/U.S.(OEM) */
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#define MICROPY_ALLOC_PATH_MAX (PATH_MAX)
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// Ensure builtinimport.c works with -m.
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#define MICROPY_MODULE_OVERRIDE_MAIN_IMPORT (1)
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// Don't default sys.argv because we do that in main.
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#define MICROPY_PY_SYS_PATH_ARGV_DEFAULTS (0)
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#define MICROPY_PY_USOCKET_LISTEN_BACKLOG_DEFAULT (SOMAXCONN < 128 ? SOMAXCONN : 128)
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// Bare-metal ports don't have stderr. Printing debug to stderr may give tests
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// which check stdout a chance to pass, etc.
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extern const struct _mp_print_t mp_stderr_print;
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#define MICROPY_DEBUG_PRINTER (&mp_stderr_print)
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#define MICROPY_ERROR_PRINTER (&mp_stderr_print)
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// For the native emitter configure how to mark a region as executable.
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void mp_unix_alloc_exec(size_t min_size, void **ptr, size_t *size);
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void mp_unix_free_exec(void *ptr, size_t size);
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void mp_unix_mark_exec(void);
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#define MP_PLAT_ALLOC_EXEC(min_size, ptr, size) mp_unix_alloc_exec(min_size, ptr, size)
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#define MP_PLAT_FREE_EXEC(ptr, size) mp_unix_free_exec(ptr, size)
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#ifndef MICROPY_FORCE_PLAT_ALLOC_EXEC
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// Use MP_PLAT_ALLOC_EXEC for any executable memory allocation, including for FFI
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// (overriding libffi own implementation)
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#define MICROPY_FORCE_PLAT_ALLOC_EXEC (1)
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#endif
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// If enabled, configure how to seed random on init.
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#ifdef MICROPY_PY_URANDOM_SEED_INIT_FUNC
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#include <stddef.h>
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void mp_hal_get_random(size_t n, void *buf);
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static inline unsigned long mp_urandom_seed_init(void) {
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unsigned long r;
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mp_hal_get_random(sizeof(r), &r);
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return r;
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}
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#endif
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#ifdef __linux__
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// Can access physical memory using /dev/mem
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#define MICROPY_PLAT_DEV_MEM (1)
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#endif
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#ifdef __ANDROID__
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#include <android/api-level.h>
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#if __ANDROID_API__ < 4
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// Bionic libc in Android 1.5 misses these 2 functions
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#define MP_NEED_LOG2 (1)
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#define nan(x) NAN
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#endif
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#endif
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// From "man readdir": "Under glibc, programs can check for the availability
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// of the fields [in struct dirent] not defined in POSIX.1 by testing whether
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// the macros [...], _DIRENT_HAVE_D_TYPE are defined."
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// Other libc's don't define it, but proactively assume that dirent->d_type
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// is available on a modern *nix system.
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#ifndef _DIRENT_HAVE_D_TYPE
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#define _DIRENT_HAVE_D_TYPE (1)
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#endif
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// This macro is not provided by glibc but we need it so ports that don't have
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// dirent->d_ino can disable the use of this field.
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#ifndef _DIRENT_HAVE_D_INO
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#define _DIRENT_HAVE_D_INO (1)
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#endif
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#ifndef __APPLE__
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// For debugging purposes, make printf() available to any source file.
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#include <stdio.h>
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#endif
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// If threading is enabled, configure the atomic section.
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#if MICROPY_PY_THREAD
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#define MICROPY_BEGIN_ATOMIC_SECTION() (mp_thread_unix_begin_atomic_section(), 0xffffffff)
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#define MICROPY_END_ATOMIC_SECTION(x) (void)x; mp_thread_unix_end_atomic_section()
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#endif
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// In lieu of a WFI(), slow down polling from being a tight loop.
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#ifndef MICROPY_EVENT_POLL_HOOK
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#define MICROPY_EVENT_POLL_HOOK \
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do { \
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extern void mp_handle_pending(bool); \
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mp_handle_pending(true); \
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usleep(500); /* equivalent to mp_hal_delay_us(500) */ \
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} while (0);
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#endif
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// Configure the implementation of machine.idle().
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#include <sched.h>
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#define MICROPY_UNIX_MACHINE_IDLE sched_yield();
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