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Check that u-boot.bin size looks correct

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Check that the image size matches the size we get from u-boot.bin. If it
doesn't, that generally means that some extra sections are being added to
u-boot.bin, meaning that it is not possible to access data appended to
the U-Boot binary. This is used for device tree, so needs to work.

This problem was introduced by commit b02bfc4. By adding a test we can
prevent a reccurence.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-06-02 22:04:47 -06:00 committed by Tom Rini
parent 6469a34678
commit 89742924c8
1 changed files with 13 additions and 1 deletions
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14
Makefile
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@ -706,7 +706,7 @@ DO_STATIC_RELA =
endif
# Always append ALL so that arch config.mk's can add custom ones
ALL-y += u-boot.srec u-boot.bin System.map
ALL-y += u-boot.srec u-boot.bin System.map binary_size_check
ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
ifeq ($(CONFIG_SPL_FSL_PBL),y)
@ -785,6 +785,18 @@ u-boot.hex u-boot.srec: u-boot FORCE
OBJCOPYFLAGS_u-boot.bin := -O binary
binary_size_check: u-boot.bin System.map FORCE
@file_size=`stat -c %s u-boot.bin` ; \
map_size=$(shell cat System.map | \
awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print strtonum("0x" end) - strtonum("0x" start)}'); \
if [ "" != "$$map_size" ]; then \
if test $$map_size -ne $$file_size; then \
echo "System.map shows a binary size of $$map_size" >&2 ; \
echo " but u-boot.bin shows $$file_size" >&2 ; \
exit 1; \
fi \
fi
u-boot.bin: u-boot FORCE
$(call if_changed,objcopy)
$(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))