From 68ca8e7818356c0dbf2e0400b177139a656791c0 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 2 Mar 2007 01:23:36 +0000
Subject: make squashfs overlay support more generic and integrate it for
 x86-2.6

SVN-Revision: 6450
---
 include/image.mk | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/image.mk b/include/image.mk
index ec0512f904..9c170af11b 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -17,6 +17,19 @@ JFFS2OPTS     :=  --pad --big-endian --squash
 SQUASHFS_OPTS :=  -be
 endif
 
+define add_jffs2_mark
+	echo -ne '\xde\xad\xc0\xde' >> $(1)
+endef
+
+# pad to 64k and add jffs2 end-of-filesystem mark
+# do this twice to make sure that this works with 128k blocksize as well
+define prepare_generic_squashfs
+	dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
+	$(call add_jffs2_mark,$(KDIR)/tmpfile.1)
+	dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
+	$(call add_jffs2_mark,$(1))
+endef
+
 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
     define Image/mkfs/jffs2
@@ -25,9 +38,10 @@ ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 		$(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x10000 -o $(KDIR)/root.jffs2-64k -d $(BUILD_DIR)/root
 		$(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x20000 -o $(KDIR)/root.jffs2-128k -d $(BUILD_DIR)/root
 
+		
 		# add End-of-Filesystem markers
-		echo -ne '\xde\xad\xc0\xde' >> $(KDIR)/root.jffs2-64k
-		echo -ne '\xde\xad\xc0\xde' >> $(KDIR)/root.jffs2-128k
+		$(call add_jffs2_mark,$(KDIR)/root.jffs2-64k)
+		$(call add_jffs2_mark,$(KDIR)/root.jffs2-128k)
 	
 		$(call Image/Build,jffs2-64k)
 		$(call Image/Build,jffs2-128k)
-- 
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