micropython/ports/powerpc/main.c

145 lines
3.9 KiB
C
Raw Normal View History

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019, Michael Neuling, IBM Corporation.
*
* 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 <stdio.h>
#include "py/compile.h"
#include "py/runtime.h"
#include "py/repl.h"
#include "py/gc.h"
#include "py/mperrno.h"
#include "py/stackctrl.h"
#include "lib/utils/pyexec.h"
void __stack_chk_fail(void);
void __stack_chk_fail(void) {
static bool failed_once;
if (failed_once) {
return;
}
failed_once = true;
printf("Stack corruption detected !\n");
assert(0);
}
/* fill in __assert_fail for libc */
void __assert_fail(const char *__assertion, const char *__file,
unsigned int __line, const char *__function) {
printf("Assert at %s:%d:%s() \"%s\" failed\n", __file, __line, __function, __assertion);
for (;;) {;
}
}
static char *stack_top;
#if MICROPY_ENABLE_GC
static char heap[32 * 1024];
#endif
extern void uart_init_ppc(int qemu);
int main(int argc, char **argv) {
int stack_dummy;
stack_top = (char *)&stack_dummy;
// microwatt has argc/r3 = 0 whereas QEMU has r3 set in head.S
uart_init_ppc(argc);
#if MICROPY_ENABLE_PYSTACK
static mp_obj_t pystack[1024];
mp_pystack_init(pystack, &pystack[1024]);
#endif
#if MICROPY_STACK_CHECK
mp_stack_ctrl_init();
mp_stack_set_limit(48 * 1024);
#endif
#if MICROPY_ENABLE_GC
gc_init(heap, heap + sizeof(heap));
#endif
mp_init();
#if MICROPY_ENABLE_COMPILER
#if MICROPY_REPL_EVENT_DRIVEN
pyexec_event_repl_init();
for (;;) {
int c = mp_hal_stdin_rx_chr();
if (pyexec_event_repl_process_char(c)) {
break;
}
}
#else
pyexec_friendly_repl();
#endif
#else
pyexec_frozen_module("frozentest.py");
#endif
mp_deinit();
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) {
mp_raise_OSError(MP_ENOENT);
}
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) {
while (1) {
;
}
}
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