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51148790 MY |
1 | # This helper makefile is used for creating |
2 | # - symbolic links (arch/$ARCH/include/asm/arch | |
3 | # - include/autoconf.mk, {spl,tpl}/include/autoconf.mk | |
4 | # - include/config.h | |
5 | # | |
6 | # When our migration to Kconfig is done | |
7 | # (= When we move all CONFIGs from header files to Kconfig) | |
8 | # this makefile can be deleted. | |
9 | ||
e02ee254 MY |
10 | __all: include/autoconf.mk include/autoconf.mk.dep |
11 | ||
12 | ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y) | |
13 | __all: spl/include/autoconf.mk | |
14 | endif | |
15 | ||
16 | ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y) | |
17 | __all: tpl/include/autoconf.mk | |
18 | endif | |
19 | ||
20 | include include/config/auto.conf | |
51148790 MY |
21 | |
22 | include scripts/Kbuild.include | |
23 | ||
24 | # Need to define CC and CPP again here in case the top Makefile did not | |
25 | # include config.mk. Some architectures expect CROSS_COMPILE to be defined | |
26 | # in arch/$(ARCH)/config.mk | |
27 | CC = $(CROSS_COMPILE)gcc | |
28 | CPP = $(CC) -E | |
29 | ||
30 | include config.mk | |
31 | ||
32 | UBOOTINCLUDE := \ | |
51148790 MY |
33 | -Iinclude \ |
34 | $(if $(KBUILD_SRC), -I$(srctree)/include) \ | |
35 | -I$(srctree)/arch/$(ARCH)/include \ | |
36 | -include $(srctree)/include/linux/kconfig.h | |
37 | ||
38 | c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \ | |
39 | $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) | |
40 | ||
41 | quiet_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 | } | |
46 | include/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 | |
56 | quiet_cmd_autoconf = GEN $@ | |
57 | cmd_autoconf = \ | |
e02ee254 | 58 | $(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \ |
51148790 MY |
59 | sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \ |
60 | while read line; do \ | |
e02ee254 | 61 | if ! grep -q "$${line%=*}=" include/config/auto.conf; then \ |
51148790 MY |
62 | echo "$$line"; \ |
63 | fi \ | |
64 | done > $@; \ | |
65 | rm $@.tmp; \ | |
66 | } || { \ | |
67 | rm $@.tmp; false; \ | |
68 | } | |
69 | ||
e02ee254 | 70 | include/autoconf.mk: FORCE |
51148790 MY |
71 | $(call cmd,autoconf) |
72 | ||
e02ee254 MY |
73 | spl/include/autoconf.mk: FORCE |
74 | $(Q)mkdir -p $(dir $@) | |
75 | $(call cmd,autoconf,-DCONFIG_SPL_BUILD) | |
76 | ||
77 | tpl/include/autoconf.mk: FORCE | |
78 | $(Q)mkdir -p $(dir $@) | |
79 | $(call cmd,autoconf,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD) | |
80 | ||
81 | include/autoconf.mk include/autoconf.mk.dep \ | |
82 | spl/include/autoconf.mk tpl/include/autoconf.mk: include/config.h | |
51148790 MY |
83 | |
84 | # include/config.h | |
85 | # Prior to Kconfig, it was generated by mkconfig. Now it is created here. | |
86 | define filechk_config_h | |
87 | (echo "/* Automatically generated - do not edit */"; \ | |
88 | for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \ | |
89 | echo \#define CONFIG_$$i \ | |
90 | | sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \ | |
91 | done; \ | |
92 | echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\ | |
51148790 | 93 | echo \#include \<config_defaults.h\>; \ |
e02ee254 | 94 | echo \#include \<config_uncmd_spl.h\>; \ |
51148790 MY |
95 | echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \ |
96 | echo \#include \<asm/config.h\>; \ | |
e02ee254 | 97 | echo \#include \<config_fallbacks.h\>;) |
51148790 MY |
98 | endef |
99 | ||
100 | include/config.h: scripts/Makefile.autoconf create_symlink FORCE | |
101 | $(call filechk,config_h) | |
102 | ||
103 | # symbolic links | |
0e7368c6 MY |
104 | # If arch/$(ARCH)/mach-$(SOC)/include/mach exists, |
105 | # make a symbolic link to that directory. | |
106 | # Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC). | |
51148790 MY |
107 | PHONY += create_symlink |
108 | create_symlink: | |
109 | ifneq ($(KBUILD_SRC),) | |
110 | $(Q)mkdir -p include/asm | |
0e7368c6 MY |
111 | $(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \ |
112 | dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \ | |
113 | else \ | |
114 | dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \ | |
115 | fi; \ | |
116 | ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch | |
ffe29ebc | 117 | else |
0e7368c6 MY |
118 | $(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \ |
119 | dest=../../mach-$(SOC)/include/mach; \ | |
120 | else \ | |
121 | dest=arch-$(if $(SOC),$(SOC),$(CPU)); \ | |
122 | fi; \ | |
123 | ln -fsn $$dest arch/$(ARCH)/include/asm/arch | |
51148790 | 124 | endif |
51148790 MY |
125 | |
126 | PHONY += FORCE | |
127 | FORCE: | |
128 | ||
129 | .PHONY: $(PHONY) |