232 lines
6.3 KiB
C
232 lines
6.3 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2022 KY-zhang-X
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "py/mpconfig.h"
|
|
#include "py/mphal.h"
|
|
#include "py/mpthread.h"
|
|
#include "py/compile.h"
|
|
#include "py/gc.h"
|
|
#include "py/mperrno.h"
|
|
#include "py/stackctrl.h"
|
|
#include "py/builtin.h"
|
|
#include "shared/runtime/gchelper.h"
|
|
#include "shared/runtime/pyexec.h"
|
|
|
|
#include "modmachine.h"
|
|
#if MICROPY_PY_NETWORK
|
|
#include "extmod/modnetwork.h"
|
|
#endif
|
|
|
|
#if MICROPY_VFS_TOS
|
|
#include "extmod/vfs.h"
|
|
#include "vfs_tos.h"
|
|
#endif
|
|
|
|
#include "tos_k.h"
|
|
|
|
#define MP_HEAP_SIZE (8 * 1024)
|
|
|
|
// MicroPython GC heap
|
|
STATIC char *heap = NULL;
|
|
STATIC void *stack_top = NULL;
|
|
STATIC mp_obj_t uart_repl_obj;
|
|
|
|
int mp_main(void)
|
|
{
|
|
// Initialise the MicroPython runtime
|
|
// mp_stack_ctrl_init();
|
|
volatile int stack_dummy;
|
|
#if MICROPY_PY_THREAD
|
|
mp_thread_init();
|
|
#endif
|
|
stack_top = (void *)&stack_dummy;
|
|
|
|
#ifdef MICROPY_HW_UART_REPL
|
|
{
|
|
mp_obj_t args[7] = {
|
|
MP_OBJ_NEW_SMALL_INT(MICROPY_HW_UART_REPL),
|
|
MP_OBJ_NEW_QSTR(MP_QSTR_rxbuf), MP_OBJ_NEW_SMALL_INT(512),
|
|
MP_OBJ_NEW_QSTR(MP_QSTR_timeout), MP_OBJ_NEW_SMALL_INT(0),
|
|
MP_OBJ_NEW_QSTR(MP_QSTR_timeout_char), MP_OBJ_NEW_SMALL_INT(2),
|
|
};
|
|
uart_repl_obj = machine_uart_type.make_new(&machine_uart_type, 1, 3, args);
|
|
machine_uart_attach_to_repl(MP_OBJ_TO_PTR(uart_repl_obj), 1);
|
|
}
|
|
#endif /* MICROPY_HW_UART_REPL */
|
|
|
|
soft_reset:
|
|
mp_stack_set_top(stack_top);
|
|
mp_stack_set_limit(tos_task_curr_task_get()->stk_size - MP_THREAD_STACK_LIMIT_MARGIN);
|
|
|
|
if (!heap) {
|
|
heap = (char *)tos_mmheap_alloc(MP_HEAP_SIZE);
|
|
if (!heap) {
|
|
return -1;
|
|
}
|
|
}
|
|
gc_init(heap, heap + MP_HEAP_SIZE);
|
|
|
|
mp_init();
|
|
|
|
#ifdef MICROPY_HW_UART_REPL
|
|
MP_STATE_PORT(stdio_uart) = MP_OBJ_TO_PTR(uart_repl_obj);
|
|
#endif /* MICROPY_HW_UART_REPL */
|
|
|
|
#if MICROPY_VFS_TOS
|
|
{
|
|
mp_obj_t root = mp_obj_new_str("/fs", 3);
|
|
mp_obj_t args[2] = {
|
|
mp_type_vfs_tos.make_new(&mp_type_vfs_tos, 1, 0, &root),
|
|
MP_OBJ_NEW_QSTR(MP_QSTR__slash_),
|
|
};
|
|
mp_vfs_mount(2, args, (mp_map_t *)&mp_const_empty_map);
|
|
MP_STATE_VM(vfs_cur) = MP_STATE_VM(vfs_mount_table);
|
|
}
|
|
#endif
|
|
|
|
#if MICROPY_PY_MACHINE
|
|
machine_pins_init();
|
|
#endif /* MICROPY_PY_MACHINE */
|
|
|
|
#if MICROPY_PY_NETWORK
|
|
mod_network_init();
|
|
#endif
|
|
|
|
// run boot-up scripts
|
|
// pyexec_frozen_module("_boot.py");
|
|
pyexec_file_if_exists("boot.py");
|
|
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
|
|
int ret = pyexec_file_if_exists("main.py");
|
|
if (ret & PYEXEC_FORCED_EXIT) {
|
|
goto soft_reset_exit;
|
|
}
|
|
}
|
|
|
|
// start a normal REPL; will exit when ctrl-D is entered on a blank line.
|
|
for (;;) {
|
|
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
|
|
if (pyexec_raw_repl() != 0) {
|
|
break;
|
|
}
|
|
} else {
|
|
if (pyexec_friendly_repl() != 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
soft_reset_exit:
|
|
|
|
#if MICROPY_PY_MACHINE
|
|
machine_timer_deinit_all();
|
|
#endif
|
|
|
|
#if MICROPY_PY_THREAD
|
|
mp_thread_deinit();
|
|
#endif
|
|
|
|
// Deinitialise the runtime.
|
|
gc_sweep_all();
|
|
|
|
mp_hal_stdout_tx_str("MPY: soft reboot\r\n");
|
|
|
|
mp_deinit();
|
|
|
|
goto soft_reset;
|
|
}
|
|
|
|
// Handle uncaught exceptions (should never be reached in a correct C implemetation).
|
|
void nlr_jump_fail(void *val) {
|
|
printf("FATAL: uncaught exception %p\n", val);
|
|
mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(val));
|
|
for (;;) {
|
|
}
|
|
}
|
|
|
|
// Do a garbage collection cycle
|
|
void gc_collect(void) {
|
|
|
|
gc_collect_start();
|
|
|
|
uintptr_t stack_base = (uint32_t)tos_task_curr_task_get()->stk_base;
|
|
gc_collect_root((void **)stack_base, ((uintptr_t)MP_STATE_THREAD(stack_top) - (uintptr_t)stack_base) / sizeof(uintptr_t));
|
|
|
|
#if MICROPY_PY_THREAD
|
|
// trace root pointers from any threads
|
|
mp_thread_gc_others();
|
|
#endif
|
|
|
|
gc_collect_end();
|
|
// gc_dump_info();
|
|
}
|
|
|
|
#if !(MICROPY_VFS)
|
|
// There is no filesystem so stating returns noting
|
|
mp_import_stat_t mp_import_stat(const char *path) {
|
|
return MP_IMPORT_STAT_NO_EXIST;
|
|
}
|
|
#endif /* MICROPY_VFS */
|
|
|
|
#if !(MICROPY_READER_VFS)
|
|
mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
|
|
mp_raise_OSError(MP_ENOENT);
|
|
}
|
|
#endif
|
|
|
|
#ifndef NDEBUG
|
|
#if defined(__CC_ARM)
|
|
void __aeabi_assert(const char *expr, const char *file, int line) {
|
|
printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
|
|
for (;;) {
|
|
}
|
|
}
|
|
#endif
|
|
NORETURN void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
|
|
(void)func;
|
|
printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
|
|
mp_raise_msg(&mp_type_AssertionError, MP_ERROR_TEXT("C-level assert"));
|
|
}
|
|
#endif
|
|
|
|
#if MICROPY_DEBUG_VERBOSE
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
int DEBUG_printf(const char *format, ...)
|
|
{
|
|
static char log_buf[512];
|
|
va_list args;
|
|
|
|
/* args point to the first variable parameter */
|
|
va_start(args, format);
|
|
/* must use vprintf to print */
|
|
vsprintf(log_buf, format, args);
|
|
printf("%s", log_buf);
|
|
va_end(args);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|