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146 lines
4.5 KiB
146 lines
4.5 KiB
# SPDX-License-Identifier: GPL-2.0 |
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# This helper makefile is used for creating |
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# - symbolic links (arch/$ARCH/include/asm/arch |
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# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk |
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# - include/config.h |
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# |
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# When our migration to Kconfig is done |
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# (= When we move all CONFIGs from header files to Kconfig) |
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# this makefile can be deleted. |
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__all: include/autoconf.mk include/autoconf.mk.dep |
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ifeq ($(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 ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y) |
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__all: tpl/include/autoconf.mk |
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endif |
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include include/config/auto.conf |
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include scripts/Kbuild.include |
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# Need to define CC and CPP again here in case the top Makefile did not |
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# include config.mk. Some architectures expect CROSS_COMPILE to be defined |
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# in arch/$(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 |
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c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \ |
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$(UBOOTINCLUDE) $(NOSTDINC_FLAGS) |
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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) |
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# We are migrating from board headers to Kconfig little by little. |
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# In the interim, we use both of |
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# - include/config/auto.conf (generated by Kconfig) |
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# - 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 > $@ |
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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 > $@; \ |
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rm $@.tmp; \ |
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} || { \ |
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rm $@.tmp; false; \ |
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} |
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u-boot.cfg: include/config.h FORCE |
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$(call cmd,u_boot_cfg) |
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spl/u-boot.cfg: include/config.h FORCE |
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$(Q)mkdir -p $(dir $@) |
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$(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD) |
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tpl/u-boot.cfg: include/config.h FORCE |
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$(Q)mkdir -p $(dir $@) |
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$(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD) |
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include/autoconf.mk: u-boot.cfg |
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$(call cmd,autoconf) |
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spl/include/autoconf.mk: spl/u-boot.cfg |
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$(Q)mkdir -p $(dir $@) |
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$(call cmd,autoconf) |
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tpl/include/autoconf.mk: tpl/u-boot.cfg |
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$(Q)mkdir -p $(dir $@) |
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$(call cmd,autoconf) |
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# include/config.h |
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# Prior to Kconfig, it was generated by mkconfig. Now it is created here. |
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define filechk_config_h |
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(echo "/* Automatically generated - do not edit */"; \ |
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for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \ |
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echo \#define CONFIG_$$i \ |
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| sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \ |
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done; \ |
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echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\ |
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echo \#include \<config_defaults.h\>; \ |
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echo \#include \<config_uncmd_spl.h\>; \ |
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echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \ |
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echo \#include \<asm/config.h\>; \ |
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echo \#include \<linux/kconfig.h\>; \ |
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echo \#include \<config_fallbacks.h\>;) |
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endef |
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include/config.h: scripts/Makefile.autoconf create_symlink FORCE |
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$(call filechk,config_h) |
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# symbolic links |
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# If arch/$(ARCH)/mach-$(SOC)/include/mach exists, |
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# make a symbolic link to that directory. |
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# Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC). |
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PHONY += create_symlink |
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create_symlink: |
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ifdef CONFIG_CREATE_ARCH_SYMLINK |
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ifneq ($(KBUILD_SRC),) |
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$(Q)mkdir -p include/asm |
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$(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \ |
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dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \ |
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else \ |
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dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \ |
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fi; \ |
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ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch |
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else |
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$(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \ |
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dest=../../mach-$(SOC)/include/mach; \ |
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else \ |
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dest=arch-$(if $(SOC),$(SOC),$(CPU)); \ |
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fi; \ |
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ln -fsn $$dest arch/$(ARCH)/include/asm/arch |
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endif |
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endif |
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PHONY += FORCE |
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FORCE: |
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.PHONY: $(PHONY)
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