diff options
Diffstat (limited to 'package/utils/rbextract/src/rbextract.c')
| -rw-r--r-- | package/utils/rbextract/src/rbextract.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/package/utils/rbextract/src/rbextract.c b/package/utils/rbextract/src/rbextract.c index 0985497f3f..ceed2494a1 100644 --- a/package/utils/rbextract/src/rbextract.c +++ b/package/utils/rbextract/src/rbextract.c @@ -333,7 +333,35 @@ __rb_get_wlan_data(void) goto err_free_rle_out; } } + /* Older ath79-based boards directly show the RB_MAGIC_ERD bytes followed by + the LZO-compressed calibration data with no RLE */ + if (magic == RB_MAGIC_ERD) { + if (tag_len > RB_ART_SIZE) { + printf("Calibration data too large\n"); + goto err_free_lzo_in; + } + + err = routerboot_find_tag(tag, tag_len, + 0x1, &buf_lzo_in, &erd_tag_len); + if (err) { + printf("No ERD chunk found\n"); + goto err_free_lzo_out; + } + + printf("Decompressing with LZO\n"); + lzo_out_len = RB_ART_SIZE; + err = lzo1x_decompress_safe(buf_lzo_in, tag_len, + buf_lzo_out, &lzo_out_len, NULL); + /* For some reason, I get this "input not consumed" error + * even though the output is correct, so ignore it. */ + if (err && err != LZO_E_INPUT_NOT_CONSUMED) { + printf("unable to decompress calibration data: %d\n", + err); + goto err_free_lzo_out; + } + buf_rle_out = buf_lzo_out; + } return buf_rle_out; err_free_rle_out: |