| # This helper makefile is used for creating |
| # - symbolic links (arch/$ARCH/include/asm/arch |
| # - include/autoconf.mk, {spl,tpl}/include/autoconf.mk |
| # - include/config.h |
| # |
| # When our migration to Kconfig is done |
| # (= When we move all CONFIGs from header files to Kconfig) |
| # this makefile can be deleted. |
| |
| # obj is "include" or "spl/include" or "tpl/include" |
| # for non-SPL, SPL, TPL, respectively |
| include $(obj)/config/auto.conf |
| |
| include scripts/Kbuild.include |
| |
| # Need to define CC and CPP again here in case the top Makefile did not |
| # include config.mk. Some architectures expect CROSS_COMPILE to be defined |
| # in arch/$(ARCH)/config.mk |
| CC = $(CROSS_COMPILE)gcc |
| CPP = $(CC) -E |
| |
| include config.mk |
| |
| UBOOTINCLUDE := \ |
| -I$(obj) \ |
| -Iinclude \ |
| $(if $(KBUILD_SRC), -I$(srctree)/include) \ |
| -I$(srctree)/arch/$(ARCH)/include \ |
| -include $(srctree)/include/linux/kconfig.h |
| |
| c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \ |
| $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) |
| |
| quiet_cmd_autoconf_dep = GEN $@ |
| cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \ |
| -MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \ |
| rm $@; false; \ |
| } |
| include/autoconf.mk.dep: FORCE |
| $(call cmd,autoconf_dep) |
| |
| # We are migrating from board headers to Kconfig little by little. |
| # In the interim, we use both of |
| # - include/config/auto.conf (generated by Kconfig) |
| # - include/autoconf.mk (used in the U-Boot conventional configuration) |
| # The following rule creates autoconf.mk |
| # include/config/auto.conf is grepped in order to avoid duplication of the |
| # same CONFIG macros |
| quiet_cmd_autoconf = GEN $@ |
| cmd_autoconf = \ |
| $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \ |
| sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \ |
| while read line; do \ |
| if ! grep -q "$${line%=*}=" $(obj)/config/auto.conf; then \ |
| echo "$$line"; \ |
| fi \ |
| done > $@; \ |
| rm $@.tmp; \ |
| } || { \ |
| rm $@.tmp; false; \ |
| } |
| |
| $(obj)/autoconf.mk: FORCE |
| $(call cmd,autoconf) |
| |
| include/autoconf.mk include/autoconf.mk.dep: include/config.h |
| |
| # support amlogic config folder and customer folder |
| |
| # 1st. this is old u-boot config file folder |
| config_file=$(shell echo "$(srctree)/include/configs/$(CONFIG_SYS_BOARD).h") |
| ifneq ($(config_file), $(wildcard $(config_file))) |
| |
| # 2nd. this is amlogic config file folder |
| config_file=$(shell echo "$(srctree)/board/amlogic/configs/$(CONFIG_SYS_BOARD).h") |
| ifneq ($(config_file), $(wildcard $(config_file))) |
| |
| # 3rd. this is amlogic customer config folder |
| config_file=$(shell echo "$(srctree)/customer/board/configs/$(CONFIG_SYS_BOARD).h") |
| ifneq ($(config_file), $(wildcard $(config_file))) |
| $(error $(shell echo "Error: Can not find $(CONFIG_SYS_BOARD).h")) |
| endif |
| endif |
| endif |
| |
| #$(warning "final file"$(config_file)) |
| |
| # include/config.h |
| # Prior to Kconfig, it was generated by mkconfig. Now it is created here. |
| define filechk_config_h |
| (echo "/* Automatically generated - do not edit */"; \ |
| 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_file)\>; \ |
| echo \#include \<asm/config.h\>; \ |
| echo \#include \<config_fallbacks.h\>; \ |
| echo \#include \<config_uncmd_spl.h\>; \ |
| echo \#define SYS_PROMPT \"$(CONFIG_SYS_CONFIG_NAME)\#\"; ) |
| endef |
| |
| include/config.h: scripts/Makefile.autoconf create_symlink FORCE |
| $(call filechk,config_h) |
| |
| # symbolic links |
| PHONY += create_symlink |
| create_symlink: |
| ifneq ($(KBUILD_SRC),) |
| $(Q)mkdir -p include/asm |
| $(Q)ln -fsn $(KBUILD_SRC)/arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)) \ |
| include/asm/arch |
| $(Q)mkdir -p include2 |
| $(Q)ln -fsn $(KBUILD_SRC)/arch/$(ARCH)/include/asm \ |
| include2/asm |
| else |
| $(Q)ln -fsn arch-$(if $(SOC),$(SOC),$(CPU)) \ |
| arch/$(ARCH)/include/asm/arch |
| endif |
| |
| PHONY += FORCE |
| FORCE: |
| |
| .PHONY: $(PHONY) |