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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 */
|
