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zipl: pad stage3 binary

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The stage 3 loader size has to be a multiple of the filesystem
blocksize so that the signature maps with the later in memory
stage 3 loader. The lowest common blocksize is 4k so the image
is padded to a 4k boundary.

Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Stefan Haberland
2019-04-08 17:52:43 +02:00
committed by Jan Höppner
parent 58a7462f65
commit 75d4317f20
1 changed files with 16 additions and 0 deletions
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16
zipl/boot/Makefile
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@@ -77,6 +77,22 @@ stage3.exec: head.o stage3.o kdump3.o libc.o sclp.o sclp_stage3.o \
--only-section=.fixup \
$< $@
stage3.bin: stage3.exec
$(OBJCOPY) -O binary \
--only-section=.stage2.head \
--only-section=.text.dummy \
--only-section=.text.start \
--only-section=.text \
--only-section=.ex_table \
--only-section=.data \
--only-section=.rodata.str1.2 \
--only-section=.rodata \
--only-section=.stage2dump.tail \
--only-section=.eckd2dump_mv.tail \
--only-section=.fixup \
--pad-to=0xf000 \
$< $@
data.o: $(FILES)
$(LD) $(NO_PIE_LDFLAGS) -r -b binary -o data.o $(FILES)