bool device_db_compile(struct fs_file * json)
{
struct fs_dirent entry;
unsigned int offs;
unsigned int size;
struct db_cfg db;
/* initialize database stack */
db_stack = DB_STACK_LIMIT;
memset(&db, 0, sizeof(struct db_cfg));
if (db_json_parse(json, &db) < 0) {
DCC_LOG(LOG_ERROR, "db_json_parse() failed.");
return false;
}
fs_dirent_get(&entry, FLASHFS_DB_BIN);
/* reserve space for the file entry */
offs = entry.blk_offs + sizeof(struct fs_file);
if (db_info_write(offs, json, &db) < 0)
return false;
size = db_stack - sizeof(struct fs_file);
return fs_file_commit(&entry, size);
}
void db_cfg_purge(void)
{
struct fs_dirent entry;
/* uncofigure all devices */
dev_sim_uncofigure_all();
/* Erase database */
fs_dirent_get(&entry, FLASHFS_DB_BIN);
fs_file_unlink(&entry);
/* Erase config */
fs_dirent_get(&entry, FLASHFS_CFG_BIN);
fs_file_unlink(&entry);
/* Erase strings */
const_strbuf_purge();
/* Initialize symbol table */
symtab_init(slcdev_symbuf, sizeof(slcdev_symbuf));
}
struct db_info * db_info_get(void)
{
struct fs_dirent entry;
struct db_info * inf;
fs_dirent_get(&entry, FLASHFS_DB_BIN);
if (entry.fp->size == 0)
return NULL;
inf = (struct db_info *)(entry.fp->data);
if (inf->magic != DB_BLK_MAGIC)
return NULL;
return inf;
}
int cmd_config(FILE * f, int argc, char ** argv)
{
bool xfer = false;
bool erase = false;
bool compile = false;
bool load = false;
bool restart = false;
int i;
if (argc == 1) {
fprintf(f, "Simulation Configuration:\n");
return config_show_info(f);
}
for (i = 1; i < argc; ++i) {
if ((strcmp(argv[i], "compile") == 0) ||
(strcmp(argv[i], "c") == 0)) {
erase = true;
compile = true;
} else if ((strcmp(argv[i], "erase") == 0) ||
(strcmp(argv[i], "e") == 0)) {
erase = true;
} else if ((strcmp(argv[i], "load") == 0) ||
(strcmp(argv[i], "l") == 0)) {
load = true;
} else if ((strcmp(argv[i], "xfer") == 0) ||
(strcmp(argv[i], "x") == 0)) {
xfer = true;
erase = true;
compile = true;
} else
return SHELL_ERR_ARG_INVALID;
}
if (xfer) {
slcdev_stop();
fprintf(f, "XMODEM receive: '%s'... ", "cfg.js");
if ((fs_xmodem_recv(f, "cfg.js")) < 0) {
fprintf(f, "fs_xmodem_recv() failed!\r\n");
return -1;
}
fprintf(f, "\n");
}
if (erase) {
struct fs_dirent bin;
fprintf(f, "Erasing...\n");
fs_dirent_get(&bin, FLASHFS_CFG_BIN);
fs_file_unlink(&bin);
}
if (compile) {
struct fs_dirent json;
fs_dirent_get(&json, FLASHFS_CFG_JSON);
if (config_is_sane() && !config_need_update(json.fp)) {
fprintf(f, "Up-to-date.\n");
} else {
struct microjs_rt * rt;
slcdev_stop();
fprintf(f, "Compiling...\n");
if (config_compile(json.fp) < 0) {
struct fs_dirent bin;
fprintf(f, "# Error!\n");
/* purge the invalid config */
fs_dirent_get(&bin, FLASHFS_CFG_BIN);
fs_file_unlink(&bin);
return -1;
}
if (SLCDEV_VERBOSE()) {
rt = symtab_rt_get((struct symtab *)slcdev_symbuf);
fprintf(f, " - data: %d of %d\n",
rt->data_sz, sizeof(slcdev_vm_data));
fprintf(f, " - stack: %d of %d\n",
rt->stack_sz, sizeof(slcdev_vm_stack));
}
fprintf(f, "Saving...\n");
if (config_save(json.fp) < 0) {
fprintf(f, "# Error!\n");
return -1;
}
restart = true;
}
config_show_info(f);
}
if (load) {
fprintf(f, "Loading...\n");
slcdev_stop();
if (config_load() < 0) {
fprintf(f, "# Error!\n");
return -1;
}
restart = true;
}
if (restart) {
/* restart simulation */
slcdev_event_raise(SLC_EV_SIM_START);
}
return 0;
}
int cmd_dbase(FILE * f, int argc, char ** argv)
{
struct fs_dirent entry;
bool erase = false;
bool compile = false;
bool xfer = false;
bool dump = false;
int i;
if (argc == 1) {
fprintf(f, "Device Model Database:\n");
return device_db_info(f);
}
for (i = 1; i < argc; ++i) {
if ((strcmp(argv[i], "compile") == 0) ||
(strcmp(argv[i], "c") == 0)) {
compile = true;
erase = true;
} else if ((strcmp(argv[i], "erase") == 0) ||
(strcmp(argv[i], "e") == 0)) {
erase = true;
} else if ((strcmp(argv[i], "xfer") == 0) ||
(strcmp(argv[i], "x") == 0)) {
xfer = true;
erase = true;
compile = true;
} else if ((strcmp(argv[i], "dump") == 0) ||
(strcmp(argv[i], "d") == 0)) {
dump = true;
} else
return SHELL_ERR_ARG_INVALID;
}
slcdev_stop();
if (xfer) {
fprintf(f, "XMODEM receive: '%s'... ", "db.js");
if ((fs_xmodem_recv(f, "db.js")) < 0) {
fprintf(f, "fs_xmodem_recv() failed!\r\n");
return -1;
}
fprintf(f, "\n");
}
if (erase) {
fprintf(f, "Erasing DB...\n");
db_cfg_purge();
}
if (compile) {
fs_dirent_get(&entry, FLASHFS_DB_JSON);
if (!device_db_need_update(entry.fp)) {
fprintf(f, "Up-to-date.\n");
} else {
struct microjs_rt * rt;
fprintf(f, "Compiling...\n");
if (!device_db_compile(entry.fp)) {
printf("Parse error!\n");
return -1;
}
if (SLCDEV_VERBOSE()) {
rt = symtab_rt_get((struct symtab *)slcdev_symbuf);
fprintf(f, " - data: %d of %d\n",
rt->data_sz, sizeof(slcdev_vm_data));
fprintf(f, " - stack: %d of %d\n",
rt->stack_sz, sizeof(slcdev_vm_stack));
}
}
device_db_info(f);
}
if (dump)
device_db_dump(f);
return 0;
}
