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util: add archive tool

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'archive' concatenates files into a single binary blob. Files are
indexed by the base names. See archive.h for the format description.

BUG=chromium:502066
BRANCH=tot
TEST=Tested on Glados

Change-Id: Iea108160e65c8c7bd34c02af824a77cb075ee64b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 21a9ba860f29599ac029f8d49d32399c4e3a73a8
Original-Change-Id: I46b4efb339e3a1e05772ae752f2861026ca09cfc
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/311200
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://review.coreboot.org/12925
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Daisuke Nojiri
2015-11-03 15:04:59 -08:00
committed by Patrick Georgi
parent 491c016d77
commit a5ae62e9d2
3 changed files with 371 additions and 0 deletions
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76
util/archive/archive.h Normal file
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/*
* Copyright (C) 2015 The ChromiumOS Authors. All rights reserved.
* written by Daisuke Nojiri <dnojiri@chromium.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __ARCHIVE_H
#define __ARCHIVE_H
#include <stdint.h>
/*
* Archive file layout:
*
* +----------------------------------+
* | root header |
* +----------------------------------+
* | file_header[0] |
* +----------------------------------+
* | file_header[1] |
* +----------------------------------+
* | ... |
* +----------------------------------+
* | file_header[count-1] |
* +----------------------------------+
* | file(0) content |
* +----------------------------------+
* | file(1) content |
* +----------------------------------+
* | ... |
* +----------------------------------+
* | file(count-1) content |
* +----------------------------------+
*/
#define VERSION 0
#define CBAR_MAGIC "CBAR"
#define NAME_LENGTH 32
/* Root header */
struct directory {
char magic[4];
uint32_t version; /* version of the header. little endian */
uint32_t size; /* total size of archive. little endian */
uint32_t count; /* number of files. little endian */
};
/* File header */
struct dentry {
/* file name. null-terminated if shorter than NAME_LENGTH */
char name[NAME_LENGTH];
/* file offset from the root header. little endian */
uint32_t offset;
/* file size. little endian */
uint32_t size;
};
static inline struct dentry *get_first_dentry(const struct directory *dir)
{
return (struct dentry *)(dir + 1);
}
static inline uint32_t get_first_offset(const struct directory *dir)
{
return sizeof(struct directory) + sizeof(struct dentry) * dir->count;
}
#endif