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git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3014 311d38ba-8fff-0310-9ca6-ca027cbcb966
59 lines
1.4 KiB
Diff
59 lines
1.4 KiB
Diff
common/cmd_mem.c: new command "unzip srcaddr dstaddr [dstsize]" to unzip from
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memory to memory, and option CONFIG_UNZIP to enable it
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- Werner Almesberger <werner@openmoko.org>
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Index: u-boot/common/cmd_mem.c
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===================================================================
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--- u-boot.orig/common/cmd_mem.c
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+++ u-boot/common/cmd_mem.c
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@@ -1148,6 +1148,34 @@ int do_mem_crc (cmd_tbl_t *cmdtp, int fl
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}
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#endif /* CONFIG_CRC32_VERIFY */
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+
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+#ifdef CONFIG_UNZIP
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+int gunzip (void *, int, unsigned char *, unsigned long *);
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+
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+int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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+{
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+ unsigned long src, dst;
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+ unsigned long src_len = ~0UL, dst_len = ~0UL;
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+ int err;
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+
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+ switch (argc) {
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+ case 4:
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+ dst_len = simple_strtoul(argv[3], NULL, 16);
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+ /* fall through */
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+ case 3:
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+ src = simple_strtoul(argv[1], NULL, 16);
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+ dst = simple_strtoul(argv[2], NULL, 16);
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+ break;
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+ default:
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+ printf ("Usage:\n%s\n", cmdtp->usage);
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+ return 1;
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+ }
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+
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+ return !!gunzip((void *) dst, dst_len, (void *) src, &src_len);
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+}
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+#endif /* CONFIG_UNZIP */
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+
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+
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/**************************************************/
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#if (CONFIG_COMMANDS & CFG_CMD_MEMORY)
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U_BOOT_CMD(
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@@ -1251,5 +1279,13 @@ U_BOOT_CMD(
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);
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#endif /* CONFIG_MX_CYCLIC */
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+#ifdef CONFIG_UNZIP
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+U_BOOT_CMD(
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+ unzip, 4, 1, do_unzip,
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+ "unzip - unzip a memory region\n",
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+ "srcaddr dstaddr [dstsize]\n"
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+);
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+#endif /* CONFIG_UNZIP */
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+
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#endif
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#endif /* CFG_CMD_MEMORY */
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