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| author | Patrick Georgi <patrick@georgi-clan.de> | 2015-08-26 12:23:26 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-09-01 14:51:41 +0000 |
| commit | a71c83fa5c3904b562bad939a3103387cd561c80 (patch) | |
| tree | c6eb5814dad6d0cd4d271c57e932d10ca6741f1f /util/cbfstool/cbfs_image.c | |
| parent | c82725c5b912a695b4582b34253029552932de69 (diff) | |
cbfstool: factor out parsing compression file attributes
cbfstool extract also needs it.
Change-Id: I8302bb18c5f797eb0a43ec4e4269790f3d49a896
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/11361
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'util/cbfstool/cbfs_image.c')
| -rw-r--r-- | util/cbfstool/cbfs_image.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/util/cbfstool/cbfs_image.c b/util/cbfstool/cbfs_image.c index 5e914a409a..619bf0bd5b 100644 --- a/util/cbfstool/cbfs_image.c +++ b/util/cbfstool/cbfs_image.c @@ -178,6 +178,26 @@ static void cbfs_decode_payload_segment(struct cbfs_payload_segment *output, assert(seg.size == 0); } +static int cbfs_file_get_compression_info(struct cbfs_file *entry, + uint32_t *decompressed_size) +{ + unsigned int compression = CBFS_COMPRESS_NONE; + *decompressed_size = ntohl(entry->len); + for (struct cbfs_file_attribute *attr = cbfs_file_first_attr(entry); + attr != NULL; + attr = cbfs_file_next_attr(entry, attr)) { + if (ntohl(attr->tag) == CBFS_FILE_ATTR_TAG_COMPRESSION) { + struct cbfs_file_attr_compression *ac = + (struct cbfs_file_attr_compression *)attr; + compression = ntohl(ac->compression); + if (decompressed_size) + *decompressed_size = + ntohl(ac->decompressed_size); + } + } + return compression; +} + void cbfs_get_header(struct cbfs_header *header, void *src) { struct buffer outheader; @@ -777,18 +797,9 @@ int cbfs_print_entry_info(struct cbfs_image *image, struct cbfs_file *entry, if (!fp) fp = stdout; - unsigned int compression = CBFS_COMPRESS_NONE; unsigned int decompressed_size = 0; - for (struct cbfs_file_attribute *attr = cbfs_file_first_attr(entry); - attr != NULL; - attr = cbfs_file_next_attr(entry, attr)) { - if (ntohl(attr->tag) == CBFS_FILE_ATTR_TAG_COMPRESSION) { - struct cbfs_file_attr_compression *ac = - (struct cbfs_file_attr_compression *)attr; - compression = ntohl(ac->compression); - decompressed_size = ntohl(ac->decompressed_size); - } - } + unsigned int compression = cbfs_file_get_compression_info(entry, + &decompressed_size); if (compression == CBFS_COMPRESS_NONE) { fprintf(fp, "%-30s 0x%-8x %-12s %d\n", |