diff options
| -rw-r--r-- | Makefile.inc | 4 | ||||
| -rw-r--r-- | src/include/kconfig.h | 21 |
2 files changed, 23 insertions, 2 deletions
diff --git a/Makefile.inc b/Makefile.inc index 534b985419..01fb41f852 100644 --- a/Makefile.inc +++ b/Makefile.inc @@ -91,7 +91,7 @@ romstage-c-deps:=$$(OPTION_TABLE_H) define ramstage-objs_asl_template $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h @printf " IASL $$(subst $(top)/,,$$(@))\n" - $(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl + $(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl mv $$(basename $$@).hex $$(basename $$@).c $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c @@ -154,7 +154,7 @@ endif INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include INCLUDES += -Isrc/devices/oprom/include # abspath is a workaround for romcc -INCLUDES += -include $(abspath $(obj)/config.h) +INCLUDES += -include $(src)/include/kconfig.h CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes diff --git a/src/include/kconfig.h b/src/include/kconfig.h new file mode 100644 index 0000000000..73106e905c --- /dev/null +++ b/src/include/kconfig.h @@ -0,0 +1,21 @@ +#ifndef __KCONFIG_H__ +#define __KCONFIG_H__ + +#include <config.h> + +/* + * Getting something that works in C and CPP for an arg that may or may + * not be defined is tricky. Here, if we have "#define CONFIG_BOOGER 1" + * we match on the placeholder define, insert the "0," for arg1 and generate + * the triplet (0, 1, 0). Then the last step cherry picks the 2nd arg (a one). + * When CONFIG_BOOGER is not defined, we generate a (... 1, 0) pair, and when + * the last step cherry picks the 2nd arg, we get a zero. + */ +#define __ARG_PLACEHOLDER_1 0, +#define config_enabled(cfg) _config_enabled(cfg) +#define _config_enabled(value) __config_enabled(__ARG_PLACEHOLDER_##value) +#define __config_enabled(arg1_or_junk) ___config_enabled(arg1_or_junk 1, 0, 0) +#define ___config_enabled(__ignored, val, ...) val + +#define IS_ENABLED(option) config_enabled(option) +#endif |