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spl: Add a size check for TPL

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We have the ability to enforce a maximum size for SPL but not yet for TPL.
Add a new option for this.

Document the size check macro while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-10-20 21:31:52 -06:00 committed by Bin Meng
parent 63473ee8c5
commit c52b5e8e2c
2 changed files with 15 additions and 0 deletions
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7
Makefile
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@ -806,6 +806,12 @@ else
SPL_SIZE_CHECK =
endif
ifneq ($(CONFIG_TPL_SIZE_LIMIT),0)
TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT))
else
TPL_SIZE_CHECK =
endif
# Statically apply RELA-style relocations (currently arm64 only)
# This is useful for arm64 where static relocation needs to be performed on
# the raw binary, but certain simulators only accept an ELF file (but don't
@ -1806,6 +1812,7 @@ spl/boot.bin: spl/u-boot-spl
tpl/u-boot-tpl.bin: tools prepare \
$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb)
$(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
$(TPL_SIZE_CHECK)
TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)

8
common/spl/Kconfig
View File

@ -1232,6 +1232,14 @@ config TPL
if TPL
config TPL_SIZE_LIMIT
hex "Maximum size of TPL image"
depends on TPL
default 0
help
Specifies the maximum length of the U-Boot TPL image.
If this value is zero, it is ignored.
config TPL_HANDOFF
bool "Pass hand-off information from TPL to SPL and U-Boot proper"
depends on HANDOFF && TPL_BLOBLIST