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-rw-r--r--qemu/roms/u-boot/common/cmd_misc.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_misc.c b/qemu/roms/u-boot/common/cmd_misc.c
new file mode 100644
index 000000000..93f9eabd6
--- /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