/* 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; }