Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / hci / commands / time_cmd.c

diff --git a/qemu/roms/ipxe/src/hci/commands/time_cmd.c b/qemu/roms/ipxe/src/hci/commands/time_cmd.c
new file mode 100644 (file)
index 0000000..d1dd49c
--- /dev/null
+++ b/qemu/roms/ipxe/src/hci/commands/time_cmd.c
@@ -0,0 +1,83 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * March-19-2009 @ 02:44: Added sleep command.
+ * Shao Miller <shao.miller@yrdsb.edu.on.ca>.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <ipxe/command.h>
+#include <ipxe/parseopt.h>
+#include <ipxe/timer.h>
+
+/** @file
+ *
+ * Time commands
+ *
+ */
+
+/** "time" options */
+struct time_options {};
+
+/** "time" option list */
+static struct option_descriptor time_opts[] = {};
+
+/** "time" command descriptor */
+static struct command_descriptor time_cmd =
+       COMMAND_DESC ( struct time_options, time_opts, 1, MAX_ARGUMENTS,
+                      "<command>" );
+
+/**
+ * "time" command
+ *
+ * @v argc             Argument count
+ * @v argv             Argument list
+ * @ret rc             Return status code
+ */
+static int time_exec ( int argc, char **argv ) {
+       struct time_options opts;
+       unsigned long start;
+       unsigned long elapsed;
+       int decisecs;
+       int rc;
+
+       /* Parse options */
+       if ( ( rc = parse_options ( argc, argv, &time_cmd, &opts ) ) != 0 )
+               return rc;
+
+       start = currticks();
+       rc = execv ( argv[1], argv + 1 );
+       elapsed = ( currticks() - start );
+       decisecs = ( 10 * elapsed / ticks_per_sec() );
+
+       printf ( "%s: %d.%ds\n", argv[0],
+                ( decisecs / 10 ), ( decisecs % 10 ) );
+
+       return rc;
+}
+
+/** "time" command */
+struct command time_command __command = {
+       .name = "time",
+       .exec = time_exec,
+};