# This helper makefile is used for creating
|
# - symbolic links (arch/$ARCH/include/asm/arch
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# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk
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# - include/config.h
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#
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# When our migration to Kconfig is done
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# (= When we move all CONFIGs from header files to Kconfig)
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# this makefile can be deleted.
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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__all: include/autoconf.mk include/autoconf.mk.dep
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|
ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
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__all: spl/include/autoconf.mk
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endif
|
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ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
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__all: tpl/include/autoconf.mk
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endif
|
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include include/config/auto.conf
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|
include scripts/Kbuild.include
|
|
# Need to define CC and CPP again here in case the top Makefile did not
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# include config.mk. Some architectures expect CROSS_COMPILE to be defined
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# in arch/$(ARCH)/config.mk
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
|
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include config.mk
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UBOOTINCLUDE := \
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-Iinclude \
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$(if $(KBUILD_SRC), -I$(srctree)/include) \
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-I$(srctree)/arch/$(ARCH)/include \
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-include $(srctree)/include/linux/kconfig.h
|
|
c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \
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$(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
|
|
quiet_cmd_autoconf_dep = GEN $@
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cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \
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-MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \
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rm $@; false; \
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}
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include/autoconf.mk.dep: include/config.h FORCE
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$(call cmd,autoconf_dep)
|
|
# We are migrating from board headers to Kconfig little by little.
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# In the interim, we use both of
|
# - include/config/auto.conf (generated by Kconfig)
|
# - include/autoconf.mk (used in the U-Boot conventional configuration)
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# The following rule creates autoconf.mk
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# include/config/auto.conf is grepped in order to avoid duplication of the
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# same CONFIG macros
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quiet_cmd_autoconf = GEN $@
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cmd_autoconf = \
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sed -n -f $(srctree)/tools/scripts/define2mk.sed $< | \
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while read line; do \
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if [ -n "${KCONFIG_IGNORE_DUPLICATES}" ] || \
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! grep -q "$${line%=*}=" include/config/auto.conf; then \
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echo "$$line"; \
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fi \
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done > $@
|
|
quiet_cmd_u_boot_cfg = CFG $@
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cmd_u_boot_cfg = \
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$(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
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grep 'define CONFIG_' $@.tmp > $@; \
|
rm $@.tmp; \
|
} || { \
|
rm $@.tmp; false; \
|
}
|
|
u-boot.cfg: include/config.h FORCE
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$(call cmd,u_boot_cfg)
|
|
spl/u-boot.cfg: include/config.h FORCE
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$(Q)mkdir -p $(dir $@)
|
$(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD)
|
|
tpl/u-boot.cfg: include/config.h FORCE
|
$(Q)mkdir -p $(dir $@)
|
$(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD)
|
|
include/autoconf.mk: u-boot.cfg
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$(call cmd,autoconf)
|
|
spl/include/autoconf.mk: spl/u-boot.cfg
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$(Q)mkdir -p $(dir $@)
|
$(call cmd,autoconf)
|
|
tpl/include/autoconf.mk: tpl/u-boot.cfg
|
$(Q)mkdir -p $(dir $@)
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$(call cmd,autoconf)
|
|
# include/config.h
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# Prior to Kconfig, it was generated by mkconfig. Now it is created here.
|
define filechk_config_h
|
(echo "/* Automatically generated - do not edit */"; \
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for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \
|
echo \#define CONFIG_$$i \
|
| sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \
|
done; \
|
echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
|
echo \#include \<config_defaults.h\>; \
|
echo \#include \<config_uncmd_spl.h\>; \
|
echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \
|
echo \#include \<asm/config.h\>; \
|
echo \#include \<linux/kconfig.h\>; \
|
echo \#include \<config_fallbacks.h\>;)
|
endef
|
|
include/config.h: scripts/Makefile.autoconf create_symlink FORCE
|
$(call filechk,config_h)
|
|
# symbolic links
|
# If arch/$(ARCH)/mach-$(SOC)/include/mach exists,
|
# make a symbolic link to that directory.
|
# Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC).
|
PHONY += create_symlink
|
create_symlink:
|
ifdef CONFIG_CREATE_ARCH_SYMLINK
|
ifneq ($(KBUILD_SRC),)
|
$(Q)mkdir -p include/asm
|
$(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
|
dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \
|
else \
|
dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \
|
fi; \
|
ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch
|
else
|
$(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
|
dest=../../mach-$(SOC)/include/mach; \
|
else \
|
dest=arch-$(if $(SOC),$(SOC),$(CPU)); \
|
fi; \
|
ln -fsn $$dest arch/$(ARCH)/include/asm/arch
|
endif
|
endif
|
|
PHONY += FORCE
|
FORCE:
|
|
.PHONY: $(PHONY)
|
