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-rw-r--r--gpxe/src/hci/commands/time_cmd.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/gpxe/src/hci/commands/time_cmd.c b/gpxe/src/hci/commands/time_cmd.c
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+/*
+ * 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,
+};