cbfstool: rename checksum to attributes_offset
So far it's still unused, but its purpose will change: It will become an offset to another structure that contains additional file attributes. This change is compatible because the binary format doesn't change and so far the field was always set to 0, which can serve nicely as 'unused' field. Change-Id: I2dafb06866713d43a236556f9492641526270837 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/10933 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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@ -77,7 +77,7 @@ struct cbfs_file {
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/* length of file data */
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uint32_t len;
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uint32_t type;
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uint32_t checksum;
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uint32_t attributes_offset;
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/* length of header incl. variable data */
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uint32_t offset;
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char filename[];
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@ -1032,7 +1032,7 @@ int cbfs_create_empty_entry(struct cbfs_file *entry,
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memcpy(entry->magic, CBFS_FILE_MAGIC, sizeof(entry->magic));
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entry->type = htonl(CBFS_COMPONENT_NULL);
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entry->len = htonl(len);
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entry->checksum = 0; // TODO Build a checksum algorithm.
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entry->attributes_offset = 0;
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entry->offset = htonl(cbfs_calculate_file_header_size(name));
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memset(entry->filename, 0, ntohl(entry->offset) - sizeof(*entry));
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strcpy(entry->filename, name);
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@ -131,7 +131,7 @@ void cbfs_file_get_header(struct buffer *buf, struct cbfs_file *file)
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bgets(buf, &file->magic, sizeof(file->magic));
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file->len = xdr_be.get32(buf);
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file->type = xdr_be.get32(buf);
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file->checksum = xdr_be.get32(buf);
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file->attributes_offset = xdr_be.get32(buf);
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file->offset = xdr_be.get32(buf);
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}
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