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X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sascha Hauer , "Claude Opus 4.6" Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 7/9] firmware: Add fwobj_uncompress() for decompressing firmware in PBL X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) From: Sascha Hauer Add fwobj_uncompress() which decompresses a firmware object into a destination buffer. This pairs with get_builtin_firmware_compressed() to provide a simple API for loading compressed firmware in PBL context. Co-Authored-By: Claude Opus 4.6 Signed-off-by: Sascha Hauer --- include/firmware.h | 2 ++ pbl/decomp.c | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/include/firmware.h b/include/firmware.h index 2f75ded82b..07651f1a93 100644 --- a/include/firmware.h +++ b/include/firmware.h @@ -121,6 +121,8 @@ struct fwobj { #define get_builtin_firmware_ext(name, base, fwobj) \ __get_builtin_firmware(name, (long)base - (long)_text, fwobj) +int fwobj_uncompress(struct fwobj *fwobj, void *dest); + #define get_builtin_firmware_compressed(name, fwobj) \ do { \ extern char _fw_z_##name##_start[]; \ diff --git a/pbl/decomp.c b/pbl/decomp.c index 532e9d460f..1539a6b67e 100644 --- a/pbl/decomp.c +++ b/pbl/decomp.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -116,3 +117,9 @@ int pbl_dtbz_uncompress(void *dest, void *compressed_start, unsigned long len) return decompress(compressed_start, len, NULL, NULL, dest, NULL, errorfn); } + +int fwobj_uncompress(struct fwobj *fwobj, void *dest) +{ + return decompress(fwobj->data, fwobj->size, NULL, NULL, dest, NULL, + errorfn); +} -- 2.47.3