/*
* Returns an object describing the free memory.
*
* sysfree: free system heap bytes
* jssize: size of JS heap in bytes
* jsfree: free JS heap bytes
* strres: size of reserved string heap in bytes
* struse: portion of string heap with used data
* objnfree: number of free object slots in js heap
* propnfree: number of free property slots in js heap
* funcnfree: number of free function slots in js heap
*/
SJ_PRIVATE enum v7_err GC_stat(struct v7 *v7, v7_val_t *res) {
/* take a snapshot of the stats that would change as we populate the result */
size_t sysfree = sj_get_free_heap_size();
size_t jssize = v7_heap_stat(v7, V7_HEAP_STAT_HEAP_SIZE);
size_t jsfree = jssize - v7_heap_stat(v7, V7_HEAP_STAT_HEAP_USED);
size_t strres = v7_heap_stat(v7, V7_HEAP_STAT_STRING_HEAP_RESERVED);
size_t struse = v7_heap_stat(v7, V7_HEAP_STAT_STRING_HEAP_USED);
size_t objfree = v7_heap_stat(v7, V7_HEAP_STAT_OBJ_HEAP_FREE);
size_t propnfree = v7_heap_stat(v7, V7_HEAP_STAT_PROP_HEAP_FREE);
*res = v7_mk_object(v7);
v7_set(v7, *res, "sysfree", ~0, v7_mk_number(sysfree));
v7_set(v7, *res, "jssize", ~0, v7_mk_number(jssize));
v7_set(v7, *res, "jsfree", ~0, v7_mk_number(jsfree));
v7_set(v7, *res, "strres", ~0, v7_mk_number(strres));
v7_set(v7, *res, "struse", ~0, v7_mk_number(struse));
v7_set(v7, *res, "objfree", ~0, v7_mk_number(objfree));
v7_set(v7, *res, "objncell", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_OBJ_HEAP_CELL_SIZE)));
v7_set(v7, *res, "propnfree", ~0, v7_mk_number(propnfree));
v7_set(v7, *res, "propncell", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_PROP_HEAP_CELL_SIZE)));
v7_set(v7, *res, "funcnfree", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_HEAP_FREE)));
v7_set(v7, *res, "funcncell", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_HEAP_CELL_SIZE)));
v7_set(v7, *res, "astsize", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_AST_SIZE)));
v7_set(v7, *res, "owned", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_OWNED)));
v7_set(v7, *res, "owned_max", ~0,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_OWNED_MAX)));
return V7_OK;
}
static enum v7_err Sys_prof(struct v7 *v7, v7_val_t *res) {
*res = v7_mk_object(v7);
v7_set(v7, *res, "sysfree", 7, v7_mk_number(sj_get_free_heap_size()));
v7_set(v7, *res, "used_by_js", 10,
v7_mk_number(v7_heap_stat(v7, V7_HEAP_STAT_HEAP_USED)));
v7_set(v7, *res, "used_by_fs", 10, v7_mk_number(sj_get_fs_memory_usage()));
return V7_OK;
}
static void show_prompt(void) {
/*
* Flashnchips relies on prompt ending with "$ " to detect when it's okay
* to send the next line during file upload.
*/
printf("smartjs %u/%d$ ", sj_get_free_heap_size(),
v7_heap_stat(s_sjp.v7, V7_HEAP_STAT_HEAP_SIZE) -
v7_heap_stat(s_sjp.v7, V7_HEAP_STAT_HEAP_USED));
s_sjp.pos = 0;
s_sjp.char_processor = process_prompt_char;
}
static v7_val_t OS_prof(struct v7 *v7, v7_val_t this_obj, v7_val_t args) {
v7_val_t result = v7_create_object(v7);
v7_own(v7, &result);
v7_set(v7, result, "sysfree", 7, 0,
v7_create_number(sj_get_free_heap_size()));
v7_set(v7, result, "used_by_js", 10, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_HEAP_USED)));
v7_set(v7, result, "used_by_fs", 10, 0,
v7_create_number(sj_get_fs_memory_usage()));
v7_disown(v7, &result);
return result;
}
static void show_prompt(void) {
/*
* Flashnchips relies on prompt ending with "$ " to detect when it's okay
* to send the next line during file upload.
*/
/* TODO RTOS(alashkin): RTOS printf doesn't support %lu */
printf("smartjs %u/%d$ ", (unsigned int) sj_get_free_heap_size(),
(int) v7_heap_stat(s_sjp.v7, V7_HEAP_STAT_HEAP_SIZE) -
(int) v7_heap_stat(s_sjp.v7, V7_HEAP_STAT_HEAP_USED));
fflush(stdout);
s_sjp.pos = 0;
s_sjp.char_processor = process_prompt_char;
}
/*
* Returns an object describing the free memory.
*
* sysfree: free system heap bytes
* jssize: size of JS heap in bytes
* jsfree: free JS heap bytes
* strres: size of reserved string heap in bytes
* struse: portion of string heap with used data
* objnfree: number of free object slots in js heap
* propnfree: number of free property slots in js heap
* funcnfree: number of free function slots in js heap
*/
static v7_val_t GC_stat(struct v7 *v7, v7_val_t this_obj, v7_val_t args) {
/* take a snapshot of the stats that would change as we populate the result */
size_t sysfree = sj_get_free_heap_size();
size_t jssize = v7_heap_stat(v7, V7_HEAP_STAT_HEAP_SIZE);
size_t jsfree = jssize - v7_heap_stat(v7, V7_HEAP_STAT_HEAP_USED);
size_t strres = v7_heap_stat(v7, V7_HEAP_STAT_STRING_HEAP_RESERVED);
size_t struse = v7_heap_stat(v7, V7_HEAP_STAT_STRING_HEAP_USED);
size_t objfree = v7_heap_stat(v7, V7_HEAP_STAT_OBJ_HEAP_FREE);
size_t propnfree = v7_heap_stat(v7, V7_HEAP_STAT_PROP_HEAP_FREE);
v7_val_t f = v7_create_undefined();
v7_own(v7, &f);
f = v7_create_object(v7);
v7_set(v7, f, "sysfree", ~0, 0, v7_create_number(sysfree));
v7_set(v7, f, "jssize", ~0, 0, v7_create_number(jssize));
v7_set(v7, f, "jsfree", ~0, 0, v7_create_number(jsfree));
v7_set(v7, f, "strres", ~0, 0, v7_create_number(strres));
v7_set(v7, f, "struse", ~0, 0, v7_create_number(struse));
v7_set(v7, f, "objfree", ~0, 0, v7_create_number(objfree));
v7_set(v7, f, "objncell", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_OBJ_HEAP_CELL_SIZE)));
v7_set(v7, f, "propnfree", ~0, 0, v7_create_number(propnfree));
v7_set(v7, f, "propncell", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_PROP_HEAP_CELL_SIZE)));
v7_set(v7, f, "funcnfree", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_HEAP_FREE)));
v7_set(v7, f, "funcncell", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_HEAP_CELL_SIZE)));
v7_set(v7, f, "astsize", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_AST_SIZE)));
v7_set(v7, f, "owned", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_OWNED)));
v7_set(v7, f, "owned_max", ~0, 0,
v7_create_number(v7_heap_stat(v7, V7_HEAP_STAT_FUNC_OWNED_MAX)));
v7_disown(v7, &f);
return f;
}
static int sj_init() {
struct v7 *v7 = s_v7;
LOG(LL_INFO, ("Mongoose IoT Firmware %s", build_id));
LOG(LL_INFO,
("RAM: %d total, %d free", sj_get_heap_size(), sj_get_free_heap_size()));
int r = start_nwp();
if (r < 0) {
LOG(LL_ERROR, ("Failed to start NWP: %d", r));
return 0;
}
int boot_cfg_idx = get_active_boot_cfg_idx();
if (boot_cfg_idx < 0) return 0;
struct boot_cfg boot_cfg;
if (read_boot_cfg(boot_cfg_idx, &boot_cfg) < 0) return 0;
LOG(LL_INFO, ("Boot cfg %d: 0x%llx, 0x%u, %s @ 0x%08x, %s", boot_cfg_idx,
boot_cfg.seq, boot_cfg.flags, boot_cfg.app_image_file,
boot_cfg.app_load_addr, boot_cfg.fs_container_prefix));
uint64_t saved_seq = 0;
if (boot_cfg.flags & BOOT_F_FIRST_BOOT) {
/* Tombstone the current config. If anything goes wrong between now and
* commit, next boot will use the old one. */
saved_seq = boot_cfg.seq;
boot_cfg.seq = BOOT_CFG_TOMBSTONE_SEQ;
write_boot_cfg(&boot_cfg, boot_cfg_idx);
}
r = init_fs(boot_cfg.fs_container_prefix);
if (r < 0) {
LOG(LL_ERROR, ("FS init error: %d", r));
if (boot_cfg.flags & BOOT_F_FIRST_BOOT) {
revert_update(boot_cfg_idx, &boot_cfg);
}
return 0;
}
if (boot_cfg.flags & BOOT_F_FIRST_BOOT) {
LOG(LL_INFO, ("Applying update"));
if (apply_update(boot_cfg_idx, &boot_cfg) < 0) {
revert_update(boot_cfg_idx, &boot_cfg);
}
}
mongoose_init();
#ifndef CS_DISABLE_JS
v7 = s_v7 = init_v7(&v7);
/* Disable GC during JS API initialization. */
v7_set_gc_enabled(v7, 0);
sj_gpio_api_setup(v7);
sj_i2c_api_setup(v7);
sj_wifi_api_setup(v7);
sj_timers_api_setup(v7);
#endif
sj_v7_ext_api_setup(v7);
sj_init_sys(v7);
sj_wifi_init(v7);
#ifndef DISABLE_C_CLUBBY
sj_clubby_init();
#endif
sj_http_api_setup(v7);
#if !defined(DISABLE_C_CLUBBY) && !defined(CS_DISABLE_JS)
sj_clubby_api_setup(v7);
#endif
/* Common config infrastructure. Mongoose & v7 must be initialized. */
init_device(v7);
sj_updater_post_init(v7);
#ifndef DISABLE_C_CLUBBY
init_updater_clubby(v7);
#endif
#ifndef CS_DISABLE_JS
/* SJS initialized, enable GC back, and trigger it */
v7_set_gc_enabled(v7, 1);
v7_gc(v7, 1);
v7_val_t res;
if (v7_exec_file(v7, "sys_init.js", &res) != V7_OK) {
fprintf(stderr, "Error: ");
v7_fprint(stderr, v7, res);
}
#endif
LOG(LL_INFO, ("%s init done, RAM: %d free", "Sys", sj_get_free_heap_size()));
if (!sj_app_init(v7)) {
LOG(LL_ERROR, ("App init failed"));
abort();
}
LOG(LL_INFO, ("%s init done, RAM: %d free", "App", sj_get_free_heap_size()));
if (boot_cfg.flags & BOOT_F_FIRST_BOOT) {
boot_cfg.seq = saved_seq;
commit_update(boot_cfg_idx, &boot_cfg);
clubby_updater_finish(0);
} else {
/*
* If there is no update reply state, this will just be ignored.
* But if there is, then update was rolled back and reply will be sent.
*/
clubby_updater_finish(-1);
}
#ifndef CS_DISABLE_JS
sj_prompt_init(v7);
#endif
return 1;
}
