From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Wed, 17 Apr 2019 14:32:27 +0000 (+0200)
Subject: s390/boot: pad bzImage to 4K
X-Git-Tag: microblaze-v5.4-rc1~840^2~48
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=f6780686525cc69a16a893cac0dd6adfbf25b7ff;p=linux-2.6-microblaze.git

s390/boot: pad bzImage to 4K

In order to be able to sign the bzImage independent of the block size
of the IPL device, align the bzImage to 4096 bytes.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index 1f8fd68beae3..c1993c57300f 100644
--- a/arch/s390/boot/Makefile
+++ b/arch/s390/boot/Makefile
@@ -50,6 +50,7 @@ define cmd_section_cmp
 	touch $@
 endef
 
+OBJCOPYFLAGS_bzImage := --pad-to $$(readelf -s $(obj)/compressed/vmlinux | awk '/\<_end\>/ {print or(strtonum("0x"$$2),4095)+1}')
 $(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE
 	$(call if_changed,objcopy)