source: mainline/boot/Makefile.build@ c9f3e7e9

#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

.PHONY: all clean depend

include Makefile.common

INCLUDES = -Igeneric/include -I$(ROOT_PATH)/abi/include
OPTIMIZATION = 3

DEFS = -DBOOT -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__

AFLAGS =
LFLAGS = --fatal-warnings

# FIXME: This condition is a workaround for issue #693.
ifneq ($(BARCH),mips32)
        AFLAGS += --fatal-warnings
endif

COMMON_CFLAGS = $(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
        -ffreestanding -fno-builtin -nostdlib -nostdinc \
        -fexec-charset=UTF-8 -finput-charset=UTF-8

GCC_CFLAGS = -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
        -std=gnu99 -Werror-implicit-function-declaration -Wwrite-strings \
        -pipe

CLANG_CFLAGS = -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
        -Werror-implicit-function-declaration -Wwrite-strings \
        -pipe  -fno-stack-protector -fno-PIC

ifeq ($(CONFIG_DEBUG),y)
        COMMON_CFLAGS += -Werror
endif

ifeq ($(CONFIG_LINE_DEBUG),y)
        COMMON_CFLAGS += -g
endif

ifeq ($(COMPILER),clang)
        CFLAGS = $(COMMON_CFLAGS) $(CLANG_CFLAGS) $(EXTRA_CFLAGS)
else
        CFLAGS = $(COMMON_CFLAGS) $(GCC_CFLAGS) $(EXTRA_CFLAGS)
endif

OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
DEPENDS := $(addsuffix .d,$(basename $(SOURCES)))

all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(BOOT_OUTPUT)

clean:
        rm -f $(RAW) $(MAP) $(ARCH_INCLUDE) $(GENARCH_INCLUDE)

-include $(DEPENDS)

AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))

$(BOOT_OUTPUT): $(RAW)
        $(OBJCOPY) -O $(BFD_OUTPUT) $< $@

$(RAW): $(OBJECTS) $(LINK)
        $(LD) -n $(LFLAGS) -T $(LINK) -M -Map $(MAP) -o $@ $(OBJECTS)

$(LINK): | depend
        $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $(LINK).in | grep -v "^\#" > $(LINK)

%.o: %.S | depend
        $(CC) -MD $(DEFS) $(CFLAGS) $(AS_CFLAGS) -D__ASM__ -c $< -o $@
ifeq ($(PRECHECK),y)
        $(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(CFLAGS) -D__ASM__
endif

%.o: %.c | depend
        $(CC) -MD $(DEFS) $(CFLAGS) -c $< -o $@
ifeq ($(PRECHECK),y)
        $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS)
endif

%.o: %.s | depend
        $(CC) -MD $(DEFS) $(CFLAGS) $(AS_CFLAGS) -D__ASM__ -c $< -o $@
ifeq ($(PRECHECK),y)
        $(JOBFILE) $(JOB) $< $@ as asm
endif

depend: $(ARCH_INCLUDE) $(GENARCH_INCLUDE) $(PRE_DEPEND)

$(COMPS).s: $(COMPS).zip
        unzip -p $< $@ > $@

$(COMPS).h: $(COMPS).zip
        unzip -p $< $@ > $@

$(COMPS)_desc.c: $(COMPS).zip
        unzip -p $< $@ > $@

$(COMPONENTS_DEFLATE): $(COMPS).zip
        unzip -p $< $@ > $@

$(COMPS).zip: $(COMPONENTS)
        $(MKARRAY) --deflate $(COMPS) $(COMP) "$(AS_PROLOG)" ".section .components, \"a\"" $^

include Makefile.initrd

$(ARCH_INCLUDE) $(ARCH_INCLUDE)/%.h: arch/$(KARCH)/include/
        ln -sfn ../../$< $@

$(GENARCH_INCLUDE) $(GENARCH_INCLUDE)/%.h: genarch/include/
        ln -sfn ../../$< $@