Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/common/cmd_strings.c b/qemu/roms/u-boot/common/cmd_strings.c
new file mode 100644 (file)
index 0000000..41b1665
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_strings.c
@@ -0,0 +1,46 @@
+/*
+ * cmd_strings.c - just like `strings` command
+ *
+ * Copyright (c) 2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+
+static char *start_addr, *last_addr;
+
+int do_strings(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       if (argc == 1)
+               return CMD_RET_USAGE;
+
+       if ((flag & CMD_FLAG_REPEAT) == 0) {
+               start_addr = (char *)simple_strtoul(argv[1], NULL, 16);
+               if (argc > 2)
+                       last_addr = (char *)simple_strtoul(argv[2], NULL, 16);
+               else
+                       last_addr = (char *)-1;
+       }
+
+       char *addr = start_addr;
+       do {
+               puts(addr);
+               puts("\n");
+               addr += strlen(addr) + 1;
+       } while (addr[0] && addr < last_addr);
+
+       last_addr = addr + (last_addr - start_addr);
+       start_addr = addr;
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       strings, 3, 1, do_strings,
+       "display strings",
+       "<addr> [byte count]\n"
+       "    - display strings at <addr> for at least [byte count] or first double NUL"
+);