From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2YAE-0001lm-Cm for barebox@lists.infradead.org; Thu, 21 Jan 2021 11:30:13 +0000 From: Steffen Trumtrar Date: Thu, 21 Jan 2021 12:29:58 +0100 Message-Id: <20210121112958.25937-13-str@pengutronix.de> In-Reply-To: <20210121112958.25937-1-str@pengutronix.de> References: <20210121112958.25937-1-str@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 13/13] firmware: add support for compressed images To: barebox@lists.infradead.org Cc: Steffen Trumtrar From: Steffen Trumtrar At least bitstreams for FPGAs can consist of a lot of zeros depending on device utilization. These bitstreams can be compressed very effectively. Let the firmware code accept these images and decompress them before handing it to the firmware-manager in question. Signed-off-by: Steffen Trumtrar --- common/firmware.c | 43 ++++++++++++++++++++++++++++++++++++++----- 1 file changed, 38 insertions(+), 5 deletions(-) diff --git a/common/firmware.c b/common/firmware.c index 58509d5da6..c617ecc0f1 100644 --- a/common/firmware.c +++ b/common/firmware.c @@ -14,6 +14,8 @@ #include #include #include +#include +#include #define BUFSIZ 4096 @@ -211,12 +213,43 @@ out: */ int firmwaremgr_load_file(struct firmware_mgr *mgr, const char *firmware) { - int ret; - char *name = basprintf("/dev/%s", mgr->handler->id); - - ret = copy_file(firmware, name, 0); + char *dst; + enum filetype type; + int ret = -ENOENT; + int srcfd = 0; + int dstfd = 0; + + if (mgr->handler->id) { + dst = basprintf("/dev/%s", mgr->handler->id); + } else { + pr_err("id not defined for handler\n"); + return -ENODEV; + } - free(name); + if (firmware) { + type = file_name_detect_type(firmware); + if (type == filetype_unknown) { + ret = copy_file(firmware, dst, 0); + } else { + srcfd = open(firmware, O_RDONLY); + if (srcfd < 0) + return srcfd; + dstfd = open(dst, O_WRONLY | O_CREAT); + + if (dstfd < 0) { + printf("could not open %s: %s\n", dst, errno_str()); + ret = dstfd; + goto out; + } + + ret = uncompress_fd_to_fd(srcfd, dstfd, uncompress_err_stdout); + + close(dstfd); + } + } +out: + close(srcfd); + free(dst); return ret; } -- 2.20.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox