Merge branch 'next' of git://git.denx.de/u-boot-avr32

[platform/kernel/u-boot.git] / common / cmd_mem.c

diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index 2606986..a78355c 100644 (file)
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -1198,6 +1198,34 @@ int do_mem_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 }
 #endif /* CONFIG_CRC32_VERIFY */
 
+
+#ifdef CONFIG_CMD_UNZIP
+int  gunzip (void *, int, unsigned char *, unsigned long *);
+
+int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+       unsigned long src, dst;
+       unsigned long src_len = ~0UL, dst_len = ~0UL;
+       int err;
+
+       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:
+                       printf ("Usage:\n%s\n", cmdtp->usage);
+                       return 1;
+       }
+
+       return !!gunzip((void *) dst, dst_len, (void *) src, &src_len);
+}
+#endif /* CONFIG_CMD_UNZIP */
+
+
 /**************************************************/
 #if defined(CONFIG_CMD_MEMORY)
 U_BOOT_CMD(
@@ -1301,5 +1329,13 @@ U_BOOT_CMD(
 );
 #endif /* CONFIG_MX_CYCLIC */
 
+#ifdef CONFIG_CMD_UNZIP
+U_BOOT_CMD(
+       unzip,  4,      1,      do_unzip,
+       "unzip - unzip a memory region\n",
+       "srcaddr dstaddr [dstsize]\n"
+);
+#endif /* CONFIG_CMD_UNZIP */
+
 #endif
 #endif