export src := src
export srck := $(top)/util/kconfig
export obj ?= build
-export objk := $(obj)/util/kconfig
+export objutil ?= $(obj)/util
+export objk := $(objutil)/kconfig
export KERNELVERSION := 4.0
endif
CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
-ROMCC:= $(obj)/romcc
+ROMCC:= $(objutil)/romcc/romcc
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS := -I$(srck) -I$(objk) -g
DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen
+# Three cases where we don't need fully populated $(obj) lists:
+# 1. when no .config exists
+# 2. when make config (in any flavour) is run
+# 3. when make distclean is run
+# Don't waste time on reading all Makefile.incs in these cases
ifeq ($(strip $(HAVE_DOTCONFIG)),)
+NOCOMPILE:=1
+endif
+ifneq ($(MAKECMDGOALS),)
+ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
+NOCOMPILE:=1
+endif
+endif
+ifeq ($(NOCOMPILE),1)
all: config
else
#######################################################################
# Build the tools
-CBFSTOOL:=$(obj)/util/cbfstool/cbfstool
+CBFSTOOL:=$(objutil)/cbfstool/cbfstool
-# needed objects that every mainboard uses
+# needed objects that every mainboard uses
# Creation of these is architecture and mainboard independent
-$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(obj)/util/sconfig/sconfig
+$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
@printf " SCONFIG $(subst $(src)/,,$(<))\n"
mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
- $(obj)/util/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
+ $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
+
+$(objutil)/%.o: $(objutil)/%.c
+ @printf " HOSTCC $(subst $(objutil)/,,$(@))\n"
+ $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
+
+$(obj)/%.o: $(obj)/%.c $(obj)/config.h
+ @printf " CC $(subst $(obj)/,,$(@))\n"
+ $(CC) -MMD $(CFLAGS) -c -o $@ $<
objs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.o
initobjs:=
iasl -p $$(basename $$@) -tc $$(basename $$@).asl
mv $$(basename $$@).hex $$(basename $$@).c
$(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $$@))), -DAmlCode=AmlCode_$$(basename $$(notdir $$@))) -c -o $$@ $$(basename $$@).c
+ # keep %.o: %.c rule from catching the temporary .c file after a make clean
+ mv $$(basename $$@).c $$(basename $$@).hex
endef
# macro to define template macros that are used by use_template macro
# $4 additional compiler flags
de$(EMPTY)fine $(1)_$(2)_template
$(obj)/$$(1)%$(3).o: src/$$(1)%.$(2) $(obj)/config.h
- printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
+ @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(CC) $(4) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
en$(EMPTY)def
endef
@echo ldscripts=$(ldscripts)
OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y))
-INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
+INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
INCLUDES += -Isrc/devices/oprom/include
# abspath is a workaround for romcc
INCLUDES += -include $(abspath $(obj)/config.h)
CFLAGS = $(INCLUDES) -Os -nostdinc -pipe
CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
-CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
+CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
CFLAGS += -Wstrict-aliasing -Wshadow
ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
CFLAGS += -Werror
CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
endif
-coreboot: prepare $(obj)/coreboot.rom
+coreboot: $(obj)/coreboot.rom
endif
-prepare:
- mkdir -p $(obj)
- mkdir -p $(obj)/util/kconfig/lxdialog $(obj)/util/cbfstool
- test -n "$(alldirs)" && mkdir -p $(alldirs) || true
+$(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs))
$(obj)/build.h: .xcompile
@printf " GEN build.h\n"
printf "#endif\n" >> $(obj)/build.ht
mv $(obj)/build.ht $(obj)/build.h
+cscope:
+ cscope -bR
+
doxy: doxygen
doxygen:
$(DOXYGEN) documentation/Doxyfile.coreboot
clean: clean-for-update
rm -f $(obj)/coreboot* .ccwrap
-distclean: clean
+clean-cscope:
+ rm -f cscope.out
+
+distclean: clean-cscope
rm -rf $(obj)
- rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
+ rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
update:
dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
$(obj)/ldoptions: $(obj)/config.h
awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
-_OS=$(shell uname -s |cut -c-7)
+_WINCHECK=$(shell uname -o 2> /dev/null)
STACK=
-ifeq ($(_OS),MINGW32)
+ifeq ($(_WINCHECK),Msys)
STACK=-Wl,--stack,16384000
endif
-ifeq ($(_OS),CYGWIN_)
+ifeq ($(_WINCHECK),Cygwin)
STACK=-Wl,--stack,16384000
endif
-$(obj)/romcc: $(top)/util/romcc/romcc.c
+
+$(objutil)/romcc/romcc: $(top)/util/romcc/romcc.c
@printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
@# Note: Adding -O2 here might cause problems. For details see:
@# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
$(HOSTCC) -g $(STACK) -Wall -o $@ $<
-.PHONY: $(PHONY) prepare clean distclean doxygen doxy coreboot .xcompile
+.PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy coreboot .xcompile