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https://github.com/AsahiLinux/u-boot
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Merge branch '2019-06-07-master-imports'
- Include Heinrich's series to move the i.MX board size check function to be more widely available. - Include Simon Goldschmidt's patch to make it possible to have a more accurate SPL size check applied.
This commit is contained in:
Tom Rini
commit
a56149dd97
6 changed files with 95 additions and 26 deletions
34
Makefile
34
Makefile
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@ -337,6 +337,19 @@ endif
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# KBUILD_MODULES := 1
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#endif
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define size_check
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actual=$$( wc -c $1 | awk '{print $$1}'); \
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limit=$$( printf "%d" $2 ); \
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if test $$actual -gt $$limit; then \
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echo "$1 exceeds file size limit:" >&2; \
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echo " limit: $$limit bytes" >&2; \
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echo " actual: $$actual bytes" >&2; \
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echo " excess: $$((actual - limit)) bytes" >&2; \
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exit 1; \
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fi
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endef
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export size_check
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export KBUILD_MODULES KBUILD_BUILTIN
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export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
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@ -778,20 +791,17 @@ LDPPFLAGS += \
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#########################################################################
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ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
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BOARD_SIZE_CHECK = \
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@actual=`wc -c $@ | awk '{print $$1}'`; \
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limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
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if test $$actual -gt $$limit; then \
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echo "$@ exceeds file size limit:" >&2 ; \
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echo " limit: $$limit bytes" >&2 ; \
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echo " actual: $$actual bytes" >&2 ; \
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echo " excess: $$((actual - limit)) bytes" >&2; \
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exit 1; \
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fi
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BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT))
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else
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BOARD_SIZE_CHECK =
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endif
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ifneq ($(CONFIG_SPL_SIZE_LIMIT),0)
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SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit))
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else
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SPL_SIZE_CHECK =
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endif
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# Statically apply RELA-style relocations (currently arm64 only)
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# This is useful for arm64 where static relocation needs to be performed on
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# the raw binary, but certain simulators only accept an ELF file (but don't
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@ -1090,6 +1100,7 @@ endif
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%.imx: %.bin
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$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
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$(BOARD_SIZE_CHECK)
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%.vyb: %.imx
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$(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
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@ -1707,6 +1718,8 @@ u-boot.lds: $(LDSCRIPT) prepare FORCE
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spl/u-boot-spl.bin: spl/u-boot-spl
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@:
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$(SPL_SIZE_CHECK)
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spl/u-boot-spl: tools prepare \
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$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \
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$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb)
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@ -1769,6 +1782,7 @@ checkarmreloc: u-boot
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envtools: scripts_basic $(version_h) $(timestamp_h)
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$(Q)$(MAKE) $(build)=tools/env
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tools-only: export TOOLS_ONLY=y
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tools-only: scripts_basic $(version_h) $(timestamp_h)
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$(Q)$(MAKE) $(build)=tools
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@ -61,21 +61,6 @@ obj-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o
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obj-$(CONFIG_CMD_DEKBLOB) += cmd_dek.o
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endif
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ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
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BOARD_SIZE_CHECK = \
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@actual=`wc -c $@ | awk '{print $$1}'`; \
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limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
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if test $$actual -gt $$limit; then \
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echo "$@ exceeds file size limit:" >&2 ; \
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echo " limit: $$limit bytes" >&2 ; \
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echo " actual: $$actual bytes" >&2 ; \
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echo " excess: $$((actual - limit)) bytes" >&2; \
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exit 1; \
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fi
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else
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BOARD_SIZE_CHECK =
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endif
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PLUGIN = board/$(BOARDDIR)/plugin
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ifeq ($(CONFIG_USE_IMXIMG_PLUGIN),y)
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@ -124,7 +109,6 @@ u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log
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u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
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$(call if_changed,mkimage)
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$(BOARD_SIZE_CHECK)
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ifeq ($(CONFIG_OF_SEPARATE),y)
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MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \
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@ -25,6 +25,42 @@ config SPL_FRAMEWORK
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supports MMC, NAND and YMODEM and other methods loading of U-Boot
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and the Linux Kernel. If unsure, say Y.
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config SPL_SIZE_LIMIT
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hex "Maximum size of SPL image"
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depends on SPL
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default 0
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help
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Specifies the maximum length of the U-Boot SPL image.
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If this value is zero, it is ignored.
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config SPL_SIZE_LIMIT_SUBTRACT_GD
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bool "SPL image size check: provide space for global data"
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depends on SPL_SIZE_LIMIT > 0
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help
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If enabled, aligned size of global data is reserved in
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SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM
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if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when
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pre-reloc global data is put into this SRAM, too.
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config SPL_SIZE_LIMIT_SUBTRACT_MALLOC
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bool "SPL image size check: provide space for malloc() pool before relocation"
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depends on SPL_SIZE_LIMIT > 0
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help
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If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check
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to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT
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describes the size of SRAM available for SPL when pre-reloc malloc
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pool is put into this SRAM, too.
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config SPL_SIZE_LIMIT_PROVIDE_STACK
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hex "SPL image size check: provide stack space before relocation"
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depends on SPL_SIZE_LIMIT > 0
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default 0
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help
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If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such
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an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size
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of SRAM available for SPL when the stack required before reolcation
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uses this SRAM, too.
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config HANDOFF
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bool "Pass hand-off information from SPL to U-Boot proper"
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depends on BLOBLIST
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@ -3,6 +3,7 @@ CONFIG_ARCH_ROCKCHIP=y
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CONFIG_SYS_TEXT_BASE=0x00000000
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CONFIG_SYS_MALLOC_F_LEN=0x2000
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CONFIG_ROCKCHIP_RK3288=y
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CONFIG_SPL_SIZE_LIMIT=30720
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CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
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CONFIG_TARGET_TINKER_RK3288=y
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CONFIG_NR_DRAM_BANKS=1
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@ -199,6 +199,10 @@ hostprogs-$(CONFIG_RISCV) += prelink-riscv
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hostprogs-y += fdtgrep
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fdtgrep-objs += $(LIBFDT_OBJS) fdtgrep.o
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ifneq ($(TOOLS_ONLY),y)
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hostprogs-y += spl_size_limit
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endif
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hostprogs-$(CONFIG_MIPS) += mips-relocs
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# We build some files with extra pedantic flags to try to minimize things
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30
tools/spl_size_limit.c
Normal file
30
tools/spl_size_limit.c
Normal file
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@ -0,0 +1,30 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2019, Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
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*
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* This tool helps to return the size available for SPL image during build
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*/
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#include <generated/autoconf.h>
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#include <generated/generic-asm-offsets.h>
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int main(int argc, char *argv[])
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{
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int spl_size_limit = 0;
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#ifdef CONFIG_SPL_SIZE_LIMIT
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spl_size_limit = CONFIG_SPL_SIZE_LIMIT;
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#ifdef CONFIG_SPL_SIZE_LIMIT_SUBTRACT_GD
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spl_size_limit -= GENERATED_GBL_DATA_SIZE;
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#endif
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#ifdef CONFIG_SPL_SIZE_LIMIT_SUBTRACT_MALLOC
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spl_size_limit -= CONFIG_SPL_SYS_MALLOC_F_LEN;
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#endif
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#ifdef CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK
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spl_size_limit -= CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK;
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#endif
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#endif
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printf("%d", spl_size_limit);
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return 0;
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}
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