/* Ktap Main Entry */
static int ktap_main(struct file *file, ktap_parm *parm)
{
unsigned long *buff = NULL;
ktap_state *ks;
ktap_closure *cl;
int start_time, delta_time;
int ret;
if (atomic_inc_return(&kp_is_running) != 1) {
atomic_dec(&kp_is_running);
pr_info("only one ktap thread allow to run\n");
return -EBUSY;
}
start_time = gettimeofday_us();
ks = kp_newstate(parm, kp_dir_dentry);
if (unlikely(!ks)) {
ret = -ENOEXEC;
goto out;
}
file->private_data = ks;
ret = load_trunk(parm, &buff);
if (ret) {
pr_err("cannot load file\n");
goto out;
}
cl = kp_load(ks, (unsigned char *)buff);
vfree(buff);
if (cl) {
/* optimize bytecode before excuting */
kp_optimize_code(ks, 0, cl->p);
delta_time = gettimeofday_us() - start_time;
kp_verbose_printf(ks, "booting time: %d (us)\n", delta_time);
kp_call(ks, ks->top - 1, 0);
}
kp_final_exit(ks);
out:
atomic_dec(&kp_is_running);
return ret;
}
static int kplib_gettimeofday_us(ktap_state *ks)
{
set_number(ks->top, gettimeofday_us());
incr_top(ks);
return 1;
}
static int ktap_lib_gettimeofday_us(ktap_state *ks)
{
setnvalue(ks->top, gettimeofday_us());
incr_top(ks);
return 1;
}
/* Ktap Main Entry */
static int ktap_main(struct file *file, ktap_parm *parm)
{
unsigned long *buff = NULL;
ktap_state *ks;
ktap_closure *cl;
int start_time, delta_time;
int ret;
start_time = gettimeofday_us();
ks = kp_newstate(parm, kp_dir_dentry);
if (unlikely(!ks))
return -ENOEXEC;
file->private_data = ks;
ret = load_trunk(parm, &buff);
if (ret) {
pr_err("cannot load file\n");
return ret;
}
cl = kp_load(ks, (unsigned char *)buff);
vfree(buff);
if (cl) {
/* optimize bytecode before excuting */
kp_optimize_code(ks, 0, cl->p);
delta_time = gettimeofday_us() - start_time;
kp_verbose_printf(ks, "booting time: %d (us)\n", delta_time);
kp_call(ks, ks->top - 1, 0);
}
kp_final_exit(ks);
return ret;
}
