xin/rt-thread-am
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

bsp,am,integrate-am-apps: reset data and bss section before running

Browse source
This commit is contained in:
Zihao Yu 2024-01-14 21:31:06 +08:00
parent 3975a30198
commit 911638c7f5
3 changed files with 40 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

16
bsp/abstract-machine/src/init.c
View file

@ -1,12 +1,14 @@
#include <am.h>
#include <rtthread.h>
#include <klib.h>
#include <klib-macros.h>
#define AM_APPS_HEAP_SIZE 0x2000000
#define RT_HW_HEAP_BEGIN heap.start
#define RT_HW_HEAP_END heap.end
Area am_apps_heap;
Area am_apps_heap = {}, am_apps_data = {}, am_apps_bss = {};
uint8_t * am_apps_data_content = NULL;
void rt_hw_board_init() {
int rt_hw_uart_init(void);
@ -20,7 +22,17 @@ void rt_hw_board_init() {
uint32_t size = AM_APPS_HEAP_SIZE;
void *p = NULL;
for (; p == NULL && size != 0; size /= 2) { p = rt_malloc(size); }
am_apps_heap = (Area) { .start = p, .end = p + size };
am_apps_heap = RANGE(p, p + size);
extern char __am_apps_data_start, __am_apps_data_end;
extern char __am_apps_bss_start, __am_apps_bss_end;
am_apps_data = RANGE(&__am_apps_data_start, &__am_apps_data_end);
am_apps_bss = RANGE(&__am_apps_bss_start, &__am_apps_bss_end);
uint32_t data_size = am_apps_data.end - am_apps_data.start;
am_apps_data_content = rt_malloc(data_size);
assert(am_apps_data_content != NULL);
memcpy(am_apps_data_content, am_apps_data.start, data_size);
#ifdef RT_USING_CONSOLE
/* set console device */