blob: 36bfa17b47e66a15a26f08dfd8e3997a89cba53a [file] [log] [blame]
Masahiro Yamada51148792014-07-30 14:08:17 +09001# This helper makefile is used for creating
2# - symbolic links (arch/$ARCH/include/asm/arch
3# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk
4# - include/config.h
5#
6# When our migration to Kconfig is done
7# (= When we move all CONFIGs from header files to Kconfig)
8# this makefile can be deleted.
9
Masahiro Yamadae02ee252015-02-24 22:26:20 +090010__all: include/autoconf.mk include/autoconf.mk.dep
11
12ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
13__all: spl/include/autoconf.mk
14endif
15
16ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
17__all: tpl/include/autoconf.mk
18endif
19
20include include/config/auto.conf
Masahiro Yamada51148792014-07-30 14:08:17 +090021
22include scripts/Kbuild.include
23
24# Need to define CC and CPP again here in case the top Makefile did not
25# include config.mk. Some architectures expect CROSS_COMPILE to be defined
26# in arch/$(ARCH)/config.mk
27CC = $(CROSS_COMPILE)gcc
28CPP = $(CC) -E
29
30include config.mk
31
32UBOOTINCLUDE := \
Masahiro Yamada51148792014-07-30 14:08:17 +090033 -Iinclude \
34 $(if $(KBUILD_SRC), -I$(srctree)/include) \
35 -I$(srctree)/arch/$(ARCH)/include \
36 -include $(srctree)/include/linux/kconfig.h
37
38c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \
39 $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
40
41quiet_cmd_autoconf_dep = GEN $@
42 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \
43 -MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \
44 rm $@; false; \
45 }
46include/autoconf.mk.dep: FORCE
47 $(call cmd,autoconf_dep)
48
49# We are migrating from board headers to Kconfig little by little.
50# In the interim, we use both of
51# - include/config/auto.conf (generated by Kconfig)
52# - include/autoconf.mk (used in the U-Boot conventional configuration)
53# The following rule creates autoconf.mk
54# include/config/auto.conf is grepped in order to avoid duplication of the
55# same CONFIG macros
56quiet_cmd_autoconf = GEN $@
57 cmd_autoconf = \
Masahiro Yamadae02ee252015-02-24 22:26:20 +090058 $(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
Masahiro Yamada51148792014-07-30 14:08:17 +090059 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \
60 while read line; do \
Joe Hershberger7740f652015-05-19 13:21:18 -050061 if [ -n "${KCONFIG_IGNORE_DUPLICATES}" ] || \
62 ! grep -q "$${line%=*}=" include/config/auto.conf; then \
Masahiro Yamada51148792014-07-30 14:08:17 +090063 echo "$$line"; \
64 fi \
65 done > $@; \
66 rm $@.tmp; \
67 } || { \
68 rm $@.tmp; false; \
69 }
70
Masahiro Yamadae02ee252015-02-24 22:26:20 +090071include/autoconf.mk: FORCE
Masahiro Yamada51148792014-07-30 14:08:17 +090072 $(call cmd,autoconf)
73
Masahiro Yamadae02ee252015-02-24 22:26:20 +090074spl/include/autoconf.mk: FORCE
75 $(Q)mkdir -p $(dir $@)
76 $(call cmd,autoconf,-DCONFIG_SPL_BUILD)
77
78tpl/include/autoconf.mk: FORCE
79 $(Q)mkdir -p $(dir $@)
80 $(call cmd,autoconf,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD)
81
82include/autoconf.mk include/autoconf.mk.dep \
83 spl/include/autoconf.mk tpl/include/autoconf.mk: include/config.h
Masahiro Yamada51148792014-07-30 14:08:17 +090084
85# include/config.h
86# Prior to Kconfig, it was generated by mkconfig. Now it is created here.
87define filechk_config_h
88 (echo "/* Automatically generated - do not edit */"; \
89 for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \
90 echo \#define CONFIG_$$i \
91 | sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \
92 done; \
93 echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
Masahiro Yamada51148792014-07-30 14:08:17 +090094 echo \#include \<config_defaults.h\>; \
Masahiro Yamadae02ee252015-02-24 22:26:20 +090095 echo \#include \<config_uncmd_spl.h\>; \
Masahiro Yamada51148792014-07-30 14:08:17 +090096 echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \
97 echo \#include \<asm/config.h\>; \
Masahiro Yamadae02ee252015-02-24 22:26:20 +090098 echo \#include \<config_fallbacks.h\>;)
Masahiro Yamada51148792014-07-30 14:08:17 +090099endef
100
101include/config.h: scripts/Makefile.autoconf create_symlink FORCE
102 $(call filechk,config_h)
103
104# symbolic links
Masahiro Yamada0e7368c2015-02-20 17:04:12 +0900105# If arch/$(ARCH)/mach-$(SOC)/include/mach exists,
106# make a symbolic link to that directory.
107# Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC).
Masahiro Yamada51148792014-07-30 14:08:17 +0900108PHONY += create_symlink
109create_symlink:
110ifneq ($(KBUILD_SRC),)
111 $(Q)mkdir -p include/asm
Masahiro Yamada0e7368c2015-02-20 17:04:12 +0900112 $(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
113 dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \
114 else \
115 dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \
116 fi; \
117 ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch
Masahiro Yamadaffe29eb2014-10-30 11:06:11 +0900118else
Masahiro Yamada0e7368c2015-02-20 17:04:12 +0900119 $(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
120 dest=../../mach-$(SOC)/include/mach; \
121 else \
122 dest=arch-$(if $(SOC),$(SOC),$(CPU)); \
123 fi; \
124 ln -fsn $$dest arch/$(ARCH)/include/asm/arch
Masahiro Yamada51148792014-07-30 14:08:17 +0900125endif
Masahiro Yamada51148792014-07-30 14:08:17 +0900126
127PHONY += FORCE
128FORCE:
129
130.PHONY: $(PHONY)