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Makefile: add support to generate LZMA compressed u-boot image

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This patch adds support for generating LZMA compressed u-boot image.
The compressed image can be used for SPL to reduce the size of the u-boot
binary.

Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
This commit is contained in:
Weijie Gao 2020-04-21 09:28:39 +02:00 committed by Daniel Schwierzeck
parent 04cb39946c
commit a38f84b439
1 changed files with 13 additions and 0 deletions
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13
Makefile
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@ -1002,6 +1002,9 @@ append = cat $(filter-out $< $(PHONY), $^) >> $@
quiet_cmd_pad_cat = CAT $@
cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
quiet_cmd_lzma = LZMA $@
cmd_lzma = lzma -c -z -k -9 $< > $@
cfg: u-boot.cfg
quiet_cmd_cfgcheck = CFGCHK $2
@ -1384,6 +1387,16 @@ else
UBOOT_BIN := u-boot.bin
endif
MKIMAGEFLAGS_u-boot-lzma.img = -A $(ARCH) -T standalone -C lzma -O u-boot \
-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
-n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
u-boot.bin.lzma: u-boot.bin FORCE
$(call if_changed,lzma)
u-boot-lzma.img: u-boot.bin.lzma FORCE
$(call if_changed,mkimage)
u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
$(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \
$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \