-
-int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
- void *load_buf, void *image_buf, ulong image_len,
- uint unc_len, ulong *load_end)
-{
- int ret = 0;
-
- *load_end = load;
- print_decomp_msg(comp, type, load == image_start);
-
- /*
- * Load the image to the right place, decompressing if needed. After
- * this, image_len will be set to the number of uncompressed bytes
- * loaded, ret will be non-zero on error.
- */
- switch (comp) {
- case IH_COMP_NONE:
- if (load == image_start)
- break;
- if (image_len <= unc_len)
- memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
- else
- ret = 1;
- break;
-#ifdef CONFIG_GZIP
- case IH_COMP_GZIP: {
- ret = gunzip(load_buf, unc_len, image_buf, &image_len);
- break;
- }
-#endif /* CONFIG_GZIP */
-#ifdef CONFIG_BZIP2
- case IH_COMP_BZIP2: {
- uint size = unc_len;
-
- /*
- * If we've got less than 4 MB of malloc() space,
- * use slower decompression algorithm which requires
- * at most 2300 KB of memory.
- */
- ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
- image_buf, image_len,
- CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
- image_len = size;
- break;
- }
-#endif /* CONFIG_BZIP2 */
-#ifdef CONFIG_LZMA
- case IH_COMP_LZMA: {
- SizeT lzma_len = unc_len;
-
- ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
- image_buf, image_len);
- image_len = lzma_len;
- break;
- }
-#endif /* CONFIG_LZMA */
-#ifdef CONFIG_LZO
- case IH_COMP_LZO: {
- size_t size = unc_len;
-
- ret = lzop_decompress(image_buf, image_len, load_buf, &size);
- image_len = size;
- break;
- }
-#endif /* CONFIG_LZO */
-#ifdef CONFIG_LZ4
- case IH_COMP_LZ4: {
- size_t size = unc_len;
-
- ret = ulz4fn(image_buf, image_len, load_buf, &size);
- image_len = size;
- break;
- }
-#endif /* CONFIG_LZ4 */
- default:
- printf("Unimplemented compression type %d\n", comp);
- return BOOTM_ERR_UNIMPLEMENTED;
- }
-
- if (ret)
- return handle_decomp_error(comp, image_len, unc_len, ret);
- *load_end = load + image_len;
-
- puts("OK\n");
-
- return 0;
-}