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#

# 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.

#

include ../../../../version

include ../../../Makefile.config

## Toolchain configuration

#

ifndef CROSS_PREFIX

	CROSS_PREFIX = /usr/local

endif

BFD_NAME = elf32-powerpc

BFD_ARCH = powerpc:common

TARGET = ppc-linux-gnu

TOOLCHAIN_DIR = $(CROSS_PREFIX)/ppc/bin

ifeq ($(COMPILER),gcc_native)

	CC = gcc

	AS = as

	LD = ld

	OBJCOPY = objcopy

	OBJDUMP = objdump

endif

ifeq ($(COMPILER),gcc_cross)

	CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc

	AS = $(TOOLCHAIN_DIR)/$(TARGET)-as

	LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld

	OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy

	OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump

endif

CFLAGS = -DRELEASE=\"$(RELEASE)\" -I. -I../../../generic -I../../../genarch -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc -msoft-float -m32

ifdef REVISION

	CFLAGS += "-DREVISION=\"$(REVISION)\""

endif

ifdef TIMESTAMP

	CFLAGS += "-DTIMESTAMP=\"$(TIMESTAMP)\""

endif

SOURCES = \

	main.c \

	ofwarch.c \

	_components.c \

	../../../genarch/ofw.c \

	../../../generic/printf.c \

	asm.S \

	boot.S

COMPONENTS = \

	$(KERNELDIR)/kernel.bin \

	$(USPACEDIR)/srv/ns/ns \

	$(USPACEDIR)/srv/loader/loader \

	$(USPACEDIR)/app/init/init \

	$(USPACEDIR)/srv/devmap/devmap \

	$(USPACEDIR)/srv/rd/rd \

	$(USPACEDIR)/srv/vfs/vfs 

ifeq ($(RDFMT),tmpfs)

	COMPONENTS += $(USPACEDIR)/srv/fs/tmpfs/tmpfs

endif

ifeq ($(RDFMT),fat)

	COMPONENTS += $(USPACEDIR)/srv/fs/fat/fat

endif

RD_TASKS = \

	$(USPACEDIR)/srv/fb/fb \

	$(USPACEDIR)/srv/kbd/kbd \

	$(USPACEDIR)/srv/console/console \

	$(USPACEDIR)/srv/fs/tmpfs/tmpfs \

	$(USPACEDIR)/srv/fs/fat/fat \

	$(USPACEDIR)/app/tetris/tetris \

	$(USPACEDIR)/app/tester/tester \

	$(USPACEDIR)/app/klog/klog \

	$(USPACEDIR)/app/bdsh/bdsh

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

COMPONENT_OBJECTS := $(addsuffix .o,$(basename $(notdir $(COMPONENTS))))

.PHONY: all clean depend

all: image.boot

-include Makefile.depend

image.boot: depend _components.h _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS)

	$(LD) -no-check-sections -N -T _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS) -o $@

depend:

	-makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null

clean:

	-for task in $(RD_TASKS) ; do \

		rm -f $(USPACEDIR)/dist/sbin/`basename $$task` ; \

	done

	-rm -f _components.h _components.c _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS) initrd.img image.boot Makefile.depend

_components.h _components.c _link.ld $(COMPONENT_OBJECTS) initrd.o: $(COMPONENTS) $(RD_TASKS) _link.ld.in

	for task in $(RD_TASKS) ; do \

		cp $$task $(USPACEDIR)/dist/sbin/ ; \

	done

ifeq ($(RDFMT),tmpfs)

	../../../../tools/mktmpfs.py $(USPACEDIR)/dist/ initrd.fs

endif

ifeq ($(RDFMT),fat)

	../../../../tools/mkfat.sh $(USPACEDIR)/dist/ initrd.fs

endif

	../../../../tools/mkhord.py 4096 initrd.fs initrd.img

	rm initrd.fs

	../../../tools/pack.py $(OBJCOPY) $(BFD_NAME) $(BFD_ARCH) 4096 "unsigned int" $(COMPONENTS) ./initrd.img

%.o: %.S

	$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@

%.o: %.c

	$(CC) $(DEFS) $(CFLAGS) -c $< -o $@