Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/common/cmd_display.c b/qemu/roms/u-boot/common/cmd_display.c
new file mode 100644 (file)
index 0000000..bc1b1eb
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_display.c
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <led-display.h>
+
+#undef DEBUG_DISP
+
+int do_display (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       int i;
+
+       /* Clear display */
+       display_set(DISPLAY_CLEAR | DISPLAY_HOME);
+
+       if (argc < 2)
+               return (0);
+
+       for (i = 1; i < argc; i++) {
+               char *p = argv[i];
+
+               if (i > 1) { /* Insert a space between strings */
+                       display_putc(' ');
+               }
+
+               while ((*p)) {
+#ifdef DEBUG_DISP
+                       putc(*p);
+#endif
+                       display_putc(*p++);
+               }
+       }
+
+#ifdef DEBUG_DISP
+       putc('\n');
+#endif
+
+       return (0);
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+       display,        CONFIG_SYS_MAXARGS,     1,      do_display,
+       "display string on dot matrix display",
+       "[<string>]\n"
+       "    - with <string> argument: display <string> on dot matrix display\n"
+       "    - without arguments: clear dot matrix display"
+);