1 files changed, 58 insertions, 0 deletions

diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/cmd-unzip.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/cmd-unzip.patch
new file mode 100644
index 0000000000..ee4c1984fc
--- /dev/null
+++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/cmd-unzip.patch
@@ -0,0 +1,58 @@
+common/cmd_mem.c: new command "unzip srcaddr dstaddr [dstsize]" to unzip from
+  memory to memory, and option CONFIG_UNZIP to enable it
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/common/cmd_mem.c
+===================================================================
+--- u-boot.orig/common/cmd_mem.c
++++ u-boot/common/cmd_mem.c
+@@ -1148,6 +1148,34 @@ int do_mem_crc (cmd_tbl_t *cmdtp, int fl
+ }
+ #endif /* CONFIG_CRC32_VERIFY */
+ 
++
++#ifdef CONFIG_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_UNZIP */
++
++
+ /**************************************************/
+ #if (CONFIG_COMMANDS & CFG_CMD_MEMORY)
+ U_BOOT_CMD(
+@@ -1251,5 +1279,13 @@ U_BOOT_CMD(
+ );
+ #endif /* CONFIG_MX_CYCLIC */
+ 
++#ifdef CONFIG_UNZIP
++U_BOOT_CMD(
++       unzip,  4,      1,      do_unzip,
++       "unzip - unzip a memory region\n",
++       "srcaddr dstaddr [dstsize]\n"
++);
++#endif /* CONFIG_UNZIP */
++
+ #endif
+ #endif /* CFG_CMD_MEMORY */