int cmd_run(FILE * f, int argc, char ** argv)
{
struct microjs_vm vm;
struct microjs_rt rt;
int32_t stack[16]; /* local stack */
uint8_t * code;
int ret;
if (argc < 3)
return SHELL_ERR_ARG_MISSING;
if (argc > 3)
return SHELL_ERR_EXTRA_ARGS;
DCC_LOG(LOG_TRACE, "db_js_lookup()...");
if ((code = db_js_lookup(argv[1], argv[2])) == NULL)
return SHELL_ERR_ARG_INVALID;
DCC_LOG1(LOG_TRACE, "code=%08x.", code);
rt.data_sz = sizeof(slcdev_vm_data);
rt.stack_sz = sizeof(stack);
/* initialize virtual machine instance */
microjs_vm_init(&vm, &rt, NULL, slcdev_vm_data, stack);
DCC_LOG(LOG_TRACE, "microjs_exec...");
if ((ret = microjs_exec(&vm, code, 4096)) != 0) {
fprintf(f, "# exec error: %d\n", ret);
return -1;
}
fprintf(f, "\n");
return 0;
}
int js(FILE * f, char * script, unsigned int len)
{
struct symtab * symtab = (struct symtab *)slcdev_symbuf; /* symbols */
uint8_t code[512]; /* compiled code */
uint32_t sdtbuf[64]; /* compiler buffer */
int32_t stack[16]; /* exec stack */
struct microjs_sdt * microjs;
struct microjs_rt * rt;
struct microjs_vm vm;
struct symstat symstat;
uint32_t start_clk;
uint32_t stop_clk;
int code_sz;
int ret;
profclk_init();
/* initialize compiler */
if ((microjs = microjs_sdt_init(sdtbuf, sizeof(sdtbuf),
symtab, &slcdev_lib)) == NULL) {
fprintf(f, "# internal error\n");
return -1;
}
symstat = symtab_state_save(symtab);
microjs_sdt_begin(microjs, code, sizeof(code));
start_clk = profclk_get();
if ((ret = microjs_compile(microjs, script, len)) < 0) {
symtab_state_rollback(symtab, symstat);
fprintf(f, "# compile error: %d\n", -ret);
DCC_LOG1(LOG_WARNING, "compile error: %d", ret);
microjs_sdt_error(f, microjs, ret);
DCC_LOG(LOG_TRACE, "...");
return -1;
}
if ((ret = microjs_sdt_end(microjs)) < 0) {
symtab_state_rollback(symtab, symstat);
fprintf(f, "# compile error: %d\n", -ret);
DCC_LOG1(LOG_WARNING, "compile error: %d", ret);
microjs_sdt_error(f, microjs, ret);
DCC_LOG(LOG_TRACE, "...");
return -1;
}
stop_clk = profclk_get();
code_sz = ret;
rt = symtab_rt_get(symtab);
if (SLCDEV_VERBOSE()) {
fprintf(f, " - Compile time: %d us.\n",
profclk_us(stop_clk - start_clk));
fprintf(f, " - code: %d\n", code_sz);
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(stack));
}
if (rt->data_sz > sizeof(slcdev_vm_data)) {
fprintf(f, "# data overlow. %d bytes required\n", rt->data_sz);
return -1;
}
if (rt->stack_sz > sizeof(stack)) {
fprintf(f, "# stack overflow. %d bytes required\n", rt->stack_sz);
return -1;
}
#if MICROJS_TRACE_ENABLED
microjs_vm_tracef = f;
#endif
/* initialize virtual machine instance */
microjs_vm_init(&vm, rt, NULL, slcdev_vm_data, stack);
start_clk = profclk_get();
if ((ret = microjs_exec(&vm, code)) != 0){
fprintf(f, "# exec error: %d\n", ret);
return -1;
}
if (SLCDEV_VERBOSE()) {
stop_clk = profclk_get();
fprintf(f, "Exec time: %d us.\n", profclk_us(stop_clk - start_clk));
}
return 0;
}
void sim_js_exec(struct microjs_vm * vm, struct ss_device * dev,
struct db_dev_model * model, uint8_t code[])
{
microjs_exec(vm, code);
}