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 <s...@chromium.org>
---
Makefile | 7 +++++++
common/spl/Kconfig | 8 ++++++++
2 files changed, 15 insertions(+)
diff --git a/Makefile b/Makefile
index a7a48b6aef3..43961af590f 100644
--- a/Makefile
+++ b/Makefile
@@ -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
@@ -1786,6 +1792,7 @@ 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)
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index ef4fb19e52c..b6d7bc81802 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -1183,6 +1183,14 @@ 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
--
2.23.0.444.g18eeb5a265-goog
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