Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/common/cmd_unzip.c b/qemu/roms/u-boot/common/cmd_unzip.c
new file mode 100644 (file)
index 0000000..b02c69e
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_unzip.c
@@ -0,0 +1,41 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+
+static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       unsigned long src, dst;
+       unsigned long src_len = ~0UL, dst_len = ~0UL;
+
+       switch (argc) {
+               case 4:
+                       dst_len = simple_strtoul(argv[3], NULL, 16);
+                       /* fall through */
+               case 3:
+                       src = simple_strtoul(argv[1], NULL, 16);
+                       dst = simple_strtoul(argv[2], NULL, 16);
+                       break;
+               default:
+                       return CMD_RET_USAGE;
+       }
+
+       if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
+               return 1;
+
+       printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
+       setenv_hex("filesize", src_len);
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       unzip,  4,      1,      do_unzip,
+       "unzip a memory region",
+       "srcaddr dstaddr [dstsize]"
+);