summaryrefslogtreecommitdiff
path: root/arch/s390/boot
diff options
context:
space:
mode:
authorMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-17 16:32:27 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-26 12:34:05 +0200
commitf6780686525cc69a16a893cac0dd6adfbf25b7ff (patch)
tree6d087acf586392597460ad488c0c522fd3dc7129 /arch/s390/boot
parent937347ac56bfca10c76153ac700e88a4b41f7130 (diff)
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>
Diffstat (limited to 'arch/s390/boot')
-rw-r--r--arch/s390/boot/Makefile1
1 files changed, 1 insertions, 0 deletions
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)