| /* |
| * Copyright (C) 2009 Daniel Verkamp <daniel@drv.nu>. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License, or any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * March-19-2009 @ 02:44: Added sleep command. |
| * Shao Miller <shao.miller@yrdsb.edu.on.ca>. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <gpxe/command.h> |
| #include <gpxe/nap.h> |
| #include <gpxe/timer.h> |
| |
| static int time_exec ( int argc, char **argv ) { |
| unsigned long start; |
| int rc, secs; |
| |
| if ( argc == 1 || |
| !strcmp ( argv[1], "--help" ) || |
| !strcmp ( argv[1], "-h" ) ) |
| { |
| printf ( "Usage:\n" |
| " %s <command>\n" |
| "\n" |
| "Time a command\n", |
| argv[0] ); |
| return 1; |
| } |
| |
| start = currticks(); |
| rc = execv ( argv[1], argv + 1 ); |
| secs = (currticks() - start) / ticks_per_sec(); |
| |
| printf ( "%s: %ds\n", argv[0], secs ); |
| |
| return rc; |
| } |
| |
| struct command time_command __command = { |
| .name = "time", |
| .exec = time_exec, |
| }; |
| |
| static int sleep_exec ( int argc, char **argv ) { |
| unsigned long start, delay; |
| |
| if ( argc == 1 || |
| !strcmp ( argv[1], "--help" ) || |
| !strcmp ( argv[1], "-h" )) |
| { |
| printf ( "Usage:\n" |
| " %s <seconds>\n" |
| "\n" |
| "Sleep for <seconds> seconds\n", |
| argv[0] ); |
| return 1; |
| } |
| start = currticks(); |
| delay = strtoul ( argv[1], NULL, 0 ) * ticks_per_sec(); |
| while ( ( currticks() - start ) <= delay ) |
| cpu_nap(); |
| return 0; |
| } |
| |
| struct command sleep_command __command = { |
| .name = "sleep", |
| .exec = sleep_exec, |
| }; |