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Fin Maaß
05c2f88d6e
By putting the heap in the noinit area instead of the bss area, zephyr won't memset it to zero during start. This improves startup time, in particular if the heap is very big. The system heap of zephyr is also in the same section. Signed-off-by: Fin Maaß <f.maass@vogl-electronic.com>
245 lines
6.7 KiB
C
245 lines
6.7 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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* Copyright (c) 2016-2017 Linaro Limited
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* Copyright (c) 2020 NXP
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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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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <zephyr/kernel.h>
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#include <zephyr/version.h>
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#ifdef CONFIG_NETWORKING
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#include <zephyr/net/net_context.h>
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#endif
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#ifdef CONFIG_USB_DEVICE_STACK
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#include <zephyr/usb/usb_device.h>
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#endif
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#include <zephyr/storage/flash_map.h>
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#include "py/mperrno.h"
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#include "py/builtin.h"
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#include "py/compile.h"
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#include "py/runtime.h"
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#include "py/repl.h"
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#include "py/gc.h"
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#include "py/mphal.h"
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#include "shared/runtime/gchelper.h"
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#include "shared/runtime/pyexec.h"
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#include "shared/readline/readline.h"
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#include "extmod/modbluetooth.h"
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#include "extmod/modmachine.h"
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#if MICROPY_VFS
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#include "extmod/vfs.h"
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#endif
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#if MICROPY_ENABLE_GC
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#if MICROPY_GC_SPLIT_HEAP && DT_HAS_COMPAT_STATUS_OKAY(micropython_heap)
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#include <zephyr/linker/devicetree_regions.h>
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#define MICROPY_HEAP_NAME(node) CONCAT(DT_NODE_FULL_NAME_TOKEN(node), _heap)
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#define MICROPY_HEAP_DEFINE(node) \
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static char MICROPY_HEAP_NAME(node)[DT_PROP(node, size)] \
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Z_GENERIC_SECTION(LINKER_DT_NODE_REGION_NAME(DT_PROP(node, memory_region)));
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DT_FOREACH_STATUS_OKAY(micropython_heap, MICROPY_HEAP_DEFINE)
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#define MICROPY_HEAP_ADD(node) \
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gc_add((void *)&MICROPY_HEAP_NAME(node), \
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(void *)&(MICROPY_HEAP_NAME(node)[DT_PROP(node, size) - 1]));
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#elif DT_HAS_COMPAT_STATUS_OKAY(micropython_heap)
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#error Has additional Heap but split heap is not enabled
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#endif
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#endif
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#include "modmachine.h"
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#include "modzephyr.h"
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static __noinit char heap[MICROPY_HEAP_SIZE];
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#if defined(CONFIG_USB_DEVICE_STACK_NEXT)
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extern int mp_usbd_init(void);
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#endif // defined(CONFIG_USB_DEVICE_STACK_NEXT)
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void init_zephyr(void) {
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// We now rely on CONFIG_NET_APP_SETTINGS to set up bootstrap
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// network addresses.
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#if 0
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#ifdef CONFIG_NETWORKING
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if (net_if_get_default() == NULL) {
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// If there's no default networking interface,
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// there's nothing to configure.
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return;
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}
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#endif
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#ifdef CONFIG_NET_IPV4
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static struct in_addr in4addr_my = {{{192, 0, 2, 1}}};
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net_if_ipv4_addr_add(net_if_get_default(), &in4addr_my, NET_ADDR_MANUAL, 0);
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static struct in_addr in4netmask_my = {{{255, 255, 255, 0}}};
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net_if_ipv4_set_netmask(net_if_get_default(), &in4netmask_my);
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static struct in_addr in4gw_my = {{{192, 0, 2, 2}}};
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net_if_ipv4_set_gw(net_if_get_default(), &in4gw_my);
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#endif
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#ifdef CONFIG_NET_IPV6
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// 2001:db8::1
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static struct in6_addr in6addr_my = {{{0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}}};
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net_if_ipv6_addr_add(net_if_get_default(), &in6addr_my, NET_ADDR_MANUAL, 0);
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#endif
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#endif
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}
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int real_main(void) {
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#if MICROPY_PY_THREAD
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struct k_thread *z_thread = (struct k_thread *)k_current_get();
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mp_thread_init((void *)z_thread->stack_info.start, z_thread->stack_info.size / sizeof(uintptr_t));
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#endif
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init_zephyr();
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mp_hal_init();
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soft_reset:
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mp_cstack_init_with_sp_here(CONFIG_MAIN_STACK_SIZE);
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#if MICROPY_ENABLE_GC
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gc_init(heap, heap + sizeof(heap));
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#if MICROPY_GC_SPLIT_HEAP && DT_HAS_COMPAT_STATUS_OKAY(micropython_heap)
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DT_FOREACH_STATUS_OKAY(micropython_heap, MICROPY_HEAP_ADD)
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#endif
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#endif
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mp_init();
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#ifdef CONFIG_USB_DEVICE_STACK
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usb_enable(NULL);
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#endif
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#ifdef CONFIG_USB_DEVICE_STACK_NEXT
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mp_usbd_init();
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#endif
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#if MICROPY_VFS && MICROPY_MODULE_FROZEN_MPY
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// Mount and/or create the filesystem
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pyexec_frozen_module("_boot.py", false);
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#endif
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#if MICROPY_MODULE_FROZEN || MICROPY_VFS
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// Execute user scripts.
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int ret = pyexec_file_if_exists("boot.py");
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if (ret & PYEXEC_FORCED_EXIT) {
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goto soft_reset_exit;
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}
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if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL && ret != 0) {
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ret = pyexec_file_if_exists("main.py");
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if (ret & PYEXEC_FORCED_EXIT) {
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goto soft_reset_exit;
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}
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}
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#endif
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for (;;) {
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if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
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if (pyexec_raw_repl() != 0) {
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break;
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}
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} else {
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if (pyexec_friendly_repl() != 0) {
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break;
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}
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}
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}
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#if MICROPY_MODULE_FROZEN_MPY || MICROPY_VFS
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soft_reset_exit:
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#endif
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mp_printf(MP_PYTHON_PRINTER, "MPY: soft reboot\n");
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#if MICROPY_PY_BLUETOOTH
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mp_bluetooth_deinit();
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#endif
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#if MICROPY_PY_MACHINE
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machine_pin_deinit();
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#endif
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#if MICROPY_PY_MACHINE_I2C_TARGET
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mp_machine_i2c_target_deinit_all();
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#endif
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#if MICROPY_PY_THREAD
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mp_thread_deinit();
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gc_collect();
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#endif
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gc_sweep_all();
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mp_deinit();
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goto soft_reset;
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return 0;
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}
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void gc_collect(void) {
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gc_collect_start();
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gc_helper_collect_regs_and_stack();
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#if MICROPY_PY_THREAD
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mp_thread_gc_others();
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#endif
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gc_collect_end();
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}
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#if !MICROPY_READER_VFS
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mp_lexer_t *mp_lexer_new_from_file(qstr filename) {
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mp_raise_OSError(ENOENT);
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}
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#endif
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#if !MICROPY_VFS
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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#endif
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MP_NORETURN void nlr_jump_fail(void *val) {
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while (1) {
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;
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}
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}
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#ifndef NDEBUG
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
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__fatal_error("Assertion failed");
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}
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#endif
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