Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_misc.c

diff --git a/qemu/roms/u-boot/common/cmd_misc.c b/qemu/roms/u-boot/common/cmd_misc.c
new file mode 100644 (file)
index 0000000..93f9eab
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_misc.c
@@ -0,0 +1,66 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/*
+ * Misc functions
+ */
+#include <common.h>
+#include <command.h>
+
+static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       ulong start = get_timer(0);
+       ulong delay;
+
+       if (argc != 2)
+               return CMD_RET_USAGE;
+
+       delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
+
+       while (get_timer(start) < delay) {
+               if (ctrlc())
+                       return (-1);
+
+               udelay(100);
+       }
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       sleep ,    2,    1,     do_sleep,
+       "delay execution for some time",
+       "N\n"
+       "    - delay execution for N seconds (N is _decimal_ !!!)"
+);
+
+#ifdef CONFIG_CMD_TIMER
+static int do_timer(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       static ulong start;
+
+       if (argc != 2)
+               return CMD_RET_USAGE;
+
+       if (!strcmp(argv[1], "start"))
+               start = get_timer(0);
+
+       if (!strcmp(argv[1], "get")) {
+               ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
+               printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
+       }
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       timer,    2,    1,     do_timer,
+       "access the system timer",
+       "start - Reset the timer reference.\n"
+       "timer get   - Print the time since 'start'."
+);
+#endif