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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: barebox@lists.infradead.org
Cc: sha@pengutronix.de
Subject: [PATCH 07/10] imx-image: pad generated image to 4k
Date: Wed,  1 Apr 2015 18:14:12 +0200	[thread overview]
Message-ID: <1427904855-32548-8-git-send-email-mkl@pengutronix.de> (raw)
In-Reply-To: <1427904855-32548-1-git-send-email-mkl@pengutronix.de>

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 scripts/imx/imx-image.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/scripts/imx/imx-image.c b/scripts/imx/imx-image.c
index ec2e8deb015b..1c032a3cb142 100644
--- a/scripts/imx/imx-image.c
+++ b/scripts/imx/imx-image.c
@@ -654,6 +654,7 @@ int main(int argc, char *argv[])
 	struct stat s;
 	int infd, outfd;
 	int dcd_only = 0;
+	int now = 0;
 
 	while ((opt = getopt(argc, argv, "c:hf:o:bd")) != -1) {
 		switch (opt) {
@@ -786,7 +787,7 @@ int main(int argc, char *argv[])
 	}
 
 	while (image_size) {
-		int now = image_size < 4096 ? image_size : 4096;
+		now = image_size < 4096 ? image_size : 4096;
 
 		ret = xread(infd, buf, now);
 		if (ret) {
@@ -803,6 +804,18 @@ int main(int argc, char *argv[])
 		image_size -= now;
 	}
 
+	/* pad until next 4k boundary */
+	now = 4096 - now;
+	if (now) {
+		memset(buf, 0x5a, now);
+
+		ret = xwrite(outfd, buf, now);
+		if (ret) {
+			perror("write");
+			exit(1);
+		}
+	}
+
 	ret = close(outfd);
 	if (ret) {
 		perror("close");
-- 
2.1.4


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  parent reply	other threads:[~2015-04-01 16:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-01 16:14 [PATCH 01/10] add habv4 support for i.MX6 Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 01/10] imx-image: sort included header files Marc Kleine-Budde
2015-04-03  6:32   ` Sascha Hauer
2015-04-01 16:14 ` [PATCH 02/10] imx-image: add_header_v2(): replace hardcoded 0x400 by offset parameter Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 03/10] imx-image: replace 0x400 by FLASH_HEADER_OFFSET Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 04/10] imx-image: introduce HEADER_LEN and replace several 0x1000 and 4096 Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 05/10] imx-image: mx35: increase load image size, due to dobule header Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 06/10] imx-image: main: make use of round_up instead of open coding it Marc Kleine-Budde
2015-04-01 16:14 ` Marc Kleine-Budde [this message]
2015-04-01 16:14 ` [PATCH 08/10] imx-image: add option to prepare image for HAB signing Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 09/10] images: add HABv4 support for i.MX6 Marc Kleine-Budde
2015-04-01 16:17   ` Marc Kleine-Budde
2015-04-01 19:39   ` [PATCH v2] " Marc Kleine-Budde
2015-04-13 10:19     ` Sascha Hauer
2015-04-13 10:22       ` Marc Kleine-Budde
2015-04-01 16:14 ` [PATCH 10/10] habv4: add High Assurance Boot v4 Marc Kleine-Budde
2015-04-13 10:30   ` Sascha Hauer
2015-04-03  6:33 ` [PATCH 01/10] add habv4 support for i.MX6 Sascha Hauer

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