main.c 4.77 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014 Damien P. George
 * Copyright (c) 2016 Linaro Limited
 *
 * 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.
 */
27
28
29
30
#include <stdint.h>
#include <stdio.h>
#include <string.h>

31
32
33
34
35
36
#include <zephyr.h>
#ifdef CONFIG_NETWORKING
#include <net/net_context.h>
#include <net/nbuf.h>
#endif

37
38
39
40
41
#include "py/nlr.h"
#include "py/compile.h"
#include "py/runtime.h"
#include "py/repl.h"
#include "py/gc.h"
42
#include "py/stackctrl.h"
43
#include "lib/utils/pyexec.h"
Paul Sokolovsky's avatar
Paul Sokolovsky committed
44
#include "lib/mp-readline/readline.h"
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66

void do_str(const char *src, mp_parse_input_kind_t input_kind) {
    mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
    if (lex == NULL) {
        printf("MemoryError: lexer could not allocate memory\n");
        return;
    }

    nlr_buf_t nlr;
    if (nlr_push(&nlr) == 0) {
        qstr source_name = lex->source_name;
        mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
        mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
        mp_call_function_0(module_fun);
        nlr_pop();
    } else {
        // uncaught exception
        mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
    }
}

static char *stack_top;
67
static char heap[MICROPY_HEAP_SIZE];
68

69
void init_zephyr(void) {
70
    // TODO: Make addresses configurable
71
    #ifdef CONFIG_NET_IPV4
72
    static struct in_addr in4addr_my = {{{192, 0, 2, 1}}};
73
74
    net_if_ipv4_addr_add(net_if_get_default(), &in4addr_my, NET_ADDR_MANUAL, 0);
    #endif
75
76
77
78
79
    #ifdef CONFIG_NET_IPV6
    // 2001:db8::1
    static struct in6_addr in6addr_my = {{{0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}}};
    net_if_ipv6_addr_add(net_if_get_default(), &in6addr_my, NET_ADDR_MANUAL, 0);
    #endif
80
81
}

82
83
84
int real_main(void) {
    int stack_dummy;
    stack_top = (char*)&stack_dummy;
85
    mp_stack_set_top(stack_top);
86
87
    // Make MicroPython's stack limit somewhat smaller than full stack available
    mp_stack_set_limit(CONFIG_MAIN_STACK_SIZE - 512);
88

89
90
    init_zephyr();

91
soft_reset:
92
93
94
95
    #if MICROPY_ENABLE_GC
    gc_init(heap, heap + sizeof(heap));
    #endif
    mp_init();
96
97
98
    mp_obj_list_init(mp_sys_path, 0);
    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
    mp_obj_list_init(mp_sys_argv, 0);
Paul Sokolovsky's avatar
Paul Sokolovsky committed
99

100
    #if MICROPY_MODULE_FROZEN
101
    pyexec_frozen_module("main.py");
102
    #endif
Paul Sokolovsky's avatar
Paul Sokolovsky committed
103

104
    for (;;) {
Paul Sokolovsky's avatar
Paul Sokolovsky committed
105
106
107
108
109
110
111
112
        if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
            if (pyexec_raw_repl() != 0) {
                break;
            }
        } else {
            if (pyexec_friendly_repl() != 0) {
                break;
            }
113
114
        }
    }
Paul Sokolovsky's avatar
Paul Sokolovsky committed
115

116
117
118
    printf("soft reboot\n");
    goto soft_reset;

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
    return 0;
}

void gc_collect(void) {
    // WARNING: This gc_collect implementation doesn't try to get root
    // pointers from CPU registers, and thus may function incorrectly.
    void *dummy;
    gc_collect_start();
    gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
    gc_collect_end();
    gc_dump_info();
}

mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
    return NULL;
}

mp_import_stat_t mp_import_stat(const char *path) {
    return MP_IMPORT_STAT_NO_EXIST;
}

mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
    return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);

void nlr_jump_fail(void *val) {
}

void NORETURN __fatal_error(const char *msg) {
    while (1);
}

#ifndef NDEBUG
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
    printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
    __fatal_error("Assertion failed");
}
#endif