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authorTom Rini <trini@konsulko.com>2019-06-07 18:03:18 -0400
committerTom Rini <trini@konsulko.com>2019-06-07 18:03:18 -0400
commita56149dd97feb1674009bd21b214f0d2b5f6e2ed (patch)
treeee49b208345579ec24c31af9ba271c0d045f49b4
parent3bad256f5b5afc2ba6b3d30c162cb4b2b39318fd (diff)
parent2577015dc5c48e7892dea8731a27530543606673 (diff)
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.
-rw-r--r--Makefile34
-rw-r--r--arch/arm/mach-imx/Makefile16
-rw-r--r--common/spl/Kconfig36
-rw-r--r--configs/tinker-rk3288_defconfig1
-rw-r--r--tools/Makefile4
-rw-r--r--tools/spl_size_limit.c30
6 files changed, 95 insertions, 26 deletions
diff --git a/Makefile b/Makefile
index 07106138e9..8de3d4120a 100644
--- a/Makefile
+++ b/Makefile
@@ -337,6 +337,19 @@ endif
# KBUILD_MODULES := 1
#endif
+define size_check
+ actual=$$( wc -c $1 | awk '{print $$1}'); \
+ limit=$$( printf "%d" $2 ); \
+ if test $$actual -gt $$limit; then \
+ echo "$1 exceeds file size limit:" >&2; \
+ echo " limit: $$limit bytes" >&2; \
+ echo " actual: $$actual bytes" >&2; \
+ echo " excess: $$((actual - limit)) bytes" >&2; \
+ exit 1; \
+ fi
+endef
+export size_check
+
export KBUILD_MODULES KBUILD_BUILTIN
export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
@@ -778,20 +791,17 @@ LDPPFLAGS += \
#########################################################################
ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
-BOARD_SIZE_CHECK = \
- @actual=`wc -c $@ | awk '{print $$1}'`; \
- limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
- if test $$actual -gt $$limit; then \
- echo "$@ exceeds file size limit:" >&2 ; \
- echo " limit: $$limit bytes" >&2 ; \
- echo " actual: $$actual bytes" >&2 ; \
- echo " excess: $$((actual - limit)) bytes" >&2; \
- exit 1; \
- fi
+BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT))
else
BOARD_SIZE_CHECK =
endif
+ifneq ($(CONFIG_SPL_SIZE_LIMIT),0)
+SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit))
+else
+SPL_SIZE_CHECK =
+endif
+
# Statically apply RELA-style relocations (currently arm64 only)
# This is useful for arm64 where static relocation needs to be performed on
# the raw binary, but certain simulators only accept an ELF file (but don't
@@ -1090,6 +1100,7 @@ endif
%.imx: %.bin
$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
+ $(BOARD_SIZE_CHECK)
%.vyb: %.imx
$(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
@@ -1707,6 +1718,8 @@ u-boot.lds: $(LDSCRIPT) prepare FORCE
spl/u-boot-spl.bin: spl/u-boot-spl
@:
+ $(SPL_SIZE_CHECK)
+
spl/u-boot-spl: tools prepare \
$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \
$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb)
@@ -1769,6 +1782,7 @@ checkarmreloc: u-boot
envtools: scripts_basic $(version_h) $(timestamp_h)
$(Q)$(MAKE) $(build)=tools/env
+tools-only: export TOOLS_ONLY=y
tools-only: scripts_basic $(version_h) $(timestamp_h)
$(Q)$(MAKE) $(build)=tools
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 37675d0558..c46984994a 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -61,21 +61,6 @@ obj-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o
obj-$(CONFIG_CMD_DEKBLOB) += cmd_dek.o
endif
-ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
-BOARD_SIZE_CHECK = \
- @actual=`wc -c $@ | awk '{print $$1}'`; \
- limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
- if test $$actual -gt $$limit; then \
- echo "$@ exceeds file size limit:" >&2 ; \
- echo " limit: $$limit bytes" >&2 ; \
- echo " actual: $$actual bytes" >&2 ; \
- echo " excess: $$((actual - limit)) bytes" >&2; \
- exit 1; \
- fi
-else
-BOARD_SIZE_CHECK =
-endif
-
PLUGIN = board/$(BOARDDIR)/plugin
ifeq ($(CONFIG_USE_IMXIMG_PLUGIN),y)
@@ -124,7 +109,6 @@ u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log
u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
$(call if_changed,mkimage)
- $(BOARD_SIZE_CHECK)
ifeq ($(CONFIG_OF_SEPARATE),y)
MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index c7cd34449a..6a98536f20 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -25,6 +25,42 @@ config SPL_FRAMEWORK
supports MMC, NAND and YMODEM and other methods loading of U-Boot
and the Linux Kernel. If unsure, say Y.
+config SPL_SIZE_LIMIT
+ hex "Maximum size of SPL image"
+ depends on SPL
+ default 0
+ help
+ Specifies the maximum length of the U-Boot SPL image.
+ If this value is zero, it is ignored.
+
+config SPL_SIZE_LIMIT_SUBTRACT_GD
+ bool "SPL image size check: provide space for global data"
+ depends on SPL_SIZE_LIMIT > 0
+ help
+ If enabled, aligned size of global data is reserved in
+ SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM
+ if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when
+ pre-reloc global data is put into this SRAM, too.
+
+config SPL_SIZE_LIMIT_SUBTRACT_MALLOC
+ bool "SPL image size check: provide space for malloc() pool before relocation"
+ depends on SPL_SIZE_LIMIT > 0
+ help
+ If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check
+ to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT
+ describes the size of SRAM available for SPL when pre-reloc malloc
+ pool is put into this SRAM, too.
+
+config SPL_SIZE_LIMIT_PROVIDE_STACK
+ hex "SPL image size check: provide stack space before relocation"
+ depends on SPL_SIZE_LIMIT > 0
+ default 0
+ help
+ If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such
+ an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size
+ of SRAM available for SPL when the stack required before reolcation
+ uses this SRAM, too.
+
config HANDOFF
bool "Pass hand-off information from SPL to U-Boot proper"
depends on BLOBLIST
diff --git a/configs/tinker-rk3288_defconfig b/configs/tinker-rk3288_defconfig
index 07e0d45781..4b48689ee8 100644
--- a/configs/tinker-rk3288_defconfig
+++ b/configs/tinker-rk3288_defconfig
@@ -3,6 +3,7 @@ CONFIG_ARCH_ROCKCHIP=y
CONFIG_SYS_TEXT_BASE=0x00000000
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_ROCKCHIP_RK3288=y
+CONFIG_SPL_SIZE_LIMIT=30720
CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
CONFIG_TARGET_TINKER_RK3288=y
CONFIG_NR_DRAM_BANKS=1
diff --git a/tools/Makefile b/tools/Makefile
index e2f572cae1..33e90a8025 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -199,6 +199,10 @@ hostprogs-$(CONFIG_RISCV) += prelink-riscv
hostprogs-y += fdtgrep
fdtgrep-objs += $(LIBFDT_OBJS) fdtgrep.o
+ifneq ($(TOOLS_ONLY),y)
+hostprogs-y += spl_size_limit
+endif
+
hostprogs-$(CONFIG_MIPS) += mips-relocs
# We build some files with extra pedantic flags to try to minimize things
diff --git a/tools/spl_size_limit.c b/tools/spl_size_limit.c
new file mode 100644
index 0000000000..98ff491867
--- /dev/null
+++ b/tools/spl_size_limit.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019, Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
+ *
+ * This tool helps to return the size available for SPL image during build
+ */
+
+#include <generated/autoconf.h>
+#include <generated/generic-asm-offsets.h>
+
+int main(int argc, char *argv[])
+{
+ int spl_size_limit = 0;
+
+#ifdef CONFIG_SPL_SIZE_LIMIT
+ spl_size_limit = CONFIG_SPL_SIZE_LIMIT;
+#ifdef CONFIG_SPL_SIZE_LIMIT_SUBTRACT_GD
+ spl_size_limit -= GENERATED_GBL_DATA_SIZE;
+#endif
+#ifdef CONFIG_SPL_SIZE_LIMIT_SUBTRACT_MALLOC
+ spl_size_limit -= CONFIG_SPL_SYS_MALLOC_F_LEN;
+#endif
+#ifdef CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK
+ spl_size_limit -= CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK;
+#endif
+#endif
+
+ printf("%d", spl_size_limit);
+ return 0;
+}