From 8301455a5bf9db54a91c9dd4cdecce5366e20ec2 Mon Sep 17 00:00:00 2001
From: Pali Rohár <pali.rohar@gmail.com>
Date: Sat, 14 Jul 2012 09:21:34 +0200
Subject: Align also kernel image

---
 src/fiasco.c | 21 ++++++++++++++++-----
 src/hash.c   | 13 ++++++++++---
 2 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/src/fiasco.c b/src/fiasco.c
index 0f6f8b2..b0b68cf 100644
--- a/src/fiasco.c
+++ b/src/fiasco.c
@@ -394,6 +394,7 @@ int fiasco_add(int fd, const char *name, const char *file, const char *layout, c
 	int i;
 	int gd,ret;
 	int size;
+	int align;
 	unsigned int sz;
 	unsigned char len;
 	unsigned short hash;
@@ -410,8 +411,12 @@ int fiasco_add(int fd, const char *name, const char *file, const char *layout, c
 		return -1;
 
 	sz = lseek(gd, 0, SEEK_END);
-	if (name && strcmp(name, "mmc") == 0) // align mmc
-		sz = ((sz >> 8) + 1) << 8;
+	if (name) {
+		if (strcmp(name, "mmc") == 0) // align mmc
+			sz = ((sz >> 8) + 1) << 8;
+		else if (strcmp(name, "kernel") == 0) // align kernel
+			sz = ((sz >> 7) + 1) << 7;
+	}
 
 	printf("  size: %d\n", sz);
 	sz = htonl((unsigned int) sz);
@@ -533,9 +538,15 @@ int fiasco_add(int fd, const char *name, const char *file, const char *layout, c
 		}
 	}
 
-	/* align mmc (fill with 0xff) */
-	if (name && strcmp(name, "mmc") == 0) {
-		int align = ((size >> 8) + 1) << 8;
+	/* align mmc and kernel (fill with 0xff) */
+	align = 0;
+	if (name) {
+		if (strcmp(name, "mmc") == 0)
+			align = ((size >> 8) + 1) << 8;
+		else if (strcmp(name, "kernel") == 0)
+			align = ((size >> 7) + 1) << 7;
+	}
+	if (align) {
 		while (size < align) {
 			write(fd, "\xff", 1);
 			++size;
diff --git a/src/hash.c b/src/hash.c
index 4ee070c..9090bad 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -33,6 +33,7 @@ usho do_hash_file(const char *filename, const char *type)
 	unsigned char buf[BSIZE];
 	FILE *fd = fopen(filename, "r");
 	usho hash = 0;
+	int align = 0;
 	int size;
 	int ret;
 
@@ -51,9 +52,15 @@ usho do_hash_file(const char *filename, const char *type)
 	size = ftell(fd);
 	fclose(fd);
 
-	/* mmc image must be aligned */
-	if (type && strcmp(type, "mmc") == 0) {
-		int align = ((size >> 8) + 1) << 8;
+	/* mmc and kernel image must be aligned */
+	if (type) {
+		if (strcmp(type, "mmc") == 0)
+			align = ((size >> 8) + 1) << 8;
+		else if (strcmp(type, "kernel") == 0)
+			align = ((size >> 7) + 1) << 7;
+	}
+
+	if (align) {
 		printf("align from %d to %d\n", size, align);
 		buf[0] = 0xff;
 		while (size < align) {
-- 
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