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-rw-r--r--stm/main.c38
1 files changed, 3 insertions, 35 deletions
diff --git a/stm/main.c b/stm/main.c
index 2ce2b6dc61..4114ec1979 100644
--- a/stm/main.c
+++ b/stm/main.c
@@ -28,6 +28,7 @@
#include "runtime.h"
#include "repl.h"
#include "gc.h"
+#include "gccollect.h"
#include "systick.h"
#include "led.h"
#include "servo.h"
@@ -47,8 +48,6 @@
int errno;
-extern uint32_t _heap_start;
-
static FATFS fatfs0;
void flash_error(int n) {
@@ -180,6 +179,7 @@ static mp_obj_t pyb_info(void) {
printf("_ebss=%p\n", &_ebss);
printf("_estack=%p\n", &_estack);
printf("_etext=%p\n", &_etext);
+ printf("_ram_start=%p\n", &_ram_start);
printf("_heap_start=%p\n", &_heap_start);
}
@@ -455,38 +455,6 @@ bool do_file(const char *filename) {
}
}
-#define RAM_START (0x20000000) // fixed for chip
-#define HEAP_END (0x2001c000) // tunable
-#define RAM_END (0x20020000) // fixed for chip
-
-void gc_helper_get_regs_and_clean_stack(machine_uint_t *regs, machine_uint_t heap_end);
-
-void gc_collect(void) {
- uint32_t start = sys_tick_counter;
- gc_collect_start();
- gc_collect_root((void**)RAM_START, (((uint32_t)&_heap_start) - RAM_START) / 4);
- machine_uint_t regs[10];
- gc_helper_get_regs_and_clean_stack(regs, HEAP_END);
- gc_collect_root((void**)HEAP_END, (RAM_END - HEAP_END) / 4); // will trace regs since they now live in this function on the stack
- gc_collect_end();
- uint32_t ticks = sys_tick_counter - start; // TODO implement a function that does this properly
-
- if (0) {
- // print GC info
- gc_info_t info;
- gc_info(&info);
- printf("GC@%lu %lums\n", start, ticks);
- printf(" %lu total\n", info.total);
- printf(" %lu : %lu\n", info.used, info.free);
- printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
- }
-}
-
-mp_obj_t pyb_gc(void) {
- gc_collect();
- return mp_const_none;
-}
-
mp_obj_t pyb_gpio(uint n_args, mp_obj_t *args) {
//assert(1 <= n_args && n_args <= 2);
@@ -655,7 +623,7 @@ soft_reset:
rt_store_attr(m, MP_QSTR_source_dir, rt_make_function_n(1, pyb_source_dir));
rt_store_attr(m, MP_QSTR_main, rt_make_function_n(1, pyb_main));
rt_store_attr(m, MP_QSTR_sync, rt_make_function_n(0, pyb_sync));
- rt_store_attr(m, MP_QSTR_gc, rt_make_function_n(0, pyb_gc));
+ rt_store_attr(m, MP_QSTR_gc, (mp_obj_t)&pyb_gc_obj);
rt_store_attr(m, MP_QSTR_delay, rt_make_function_n(1, pyb_delay));
#if MICROPY_HW_HAS_SWITCH
rt_store_attr(m, MP_QSTR_switch, (mp_obj_t)&pyb_switch_obj);