# Iris: micro-kernel for a capability-based operating system.
# Makefile.am: build rules
# Copyright 2009-2012 Bas Wijnen <wijnen@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

AUTOMAKE_OPTIONS = subdir-objects foreign

# Define some variables.
OBJDUMP = $(host_alias)-objdump
OBJCOPY = $(host_alias)-objcopy
SERIAL ?= /dev/ttyUSB0
junk = mdebug.abi32 gnu.attributes ctors eh_frame eh_frame_hdr MIPS.abiflags reginfo comment pdr note.gnu.build-id
objcopyflags = -S $(addprefix --remove-section=.,$(junk))

start_load = 0x80100000

noinst_DATA = iris.raw mips/start.raw mips/start-hack.S mips/board/sdram-setup.raw
noinst_PROGRAMS = iris.elf mips/start.elf mips/board/sdram-setup.elf

%.raw: %.elf
	$(OBJCOPY) $(objcopyflags) -Obinary $< $@

# Define boot_threads depending on selected mode.
if UDC
boot_threads = hardware/udc
else
if UNBRICK
boot_threads = hardware/sdmmc glue/usbmassstorage
else
boot_threads = hardware/sdmmc glue/partition glue/fat
noinst_DATA += iris.tar.gz
endif
endif

# Threadlist must be the last file on the line below.
iris_sources = kernel/panic.cc kernel/data.cc kernel/alloc.cc kernel/memory.cc kernel/invoke.cc kernel/schedule.cc mips/interrupts.cc mips/arch.cc userspace/boot/threadlist.S
boot_sources = mips/init.cc mips/board/board.cc
headers = include/kernel.hh include/iris.hh include/devices.hh include/keys.hh mips/arch.hh mips/board/jz4740.hh mips/board/board.hh mips/nand.hh
iris_elf_DEPENDENCIES = mips/board/iris.ld
iris_elf_CPPFLAGS = -fno-inline -Iinclude -Imips -Imips/board -mips32 -DNANONOTE -DUSE_SERIAL
iris_elf_CXXFLAGS = -O5 -Wno-unused-parameter -fno-strict-aliasing -fno-builtin -ggdb3 -fno-exceptions -fno-common
iris_elf_LDFLAGS = -Wl,--omagic -nostdlib -T mips/board/iris.ld
iris_elf_SOURCES = mips/entry.S ${iris_sources} mips/boot.S ${boot_sources} ${headers}

mips_start_elf_CPPFLAGS = -fno-inline -mips32 -DSTART="0x$(shell /bin/sh -c '$(OBJDUMP) -t iris.elf | grep __start$$ | cut -b1-8')" -DADDR0="0x$(shell /bin/sh -c '$(OBJDUMP) -t iris.elf | grep addr000$$ | cut -b1-8')"
mips_start_elf_LDFLAGS = -Wl,--omagic -Wl,-Ttext -Wl,$(start_load) -nostdlib
mips_start_elf_SOURCES = mips/start-hack.S iris.raw

mips/start-hack.S: mips/start.S iris.raw
	cp $< $@

mips_board_sdram_setup_elf_DEPENDENCIES = mips/board/sdram-setup.ld
mips_board_sdram_setup_elf_CPPFLAGS = -fno-inline -Iinclude -Imips -Imips/board -mips32
mips_board_sdram_setup_elf_CXXFLAGS = -O5 -Wno-unused-parameter -fno-strict-aliasing -fno-builtin -ggdb3 -fno-exceptions -fno-common
mips_board_sdram_setup_elf_LDFLAGS = -Wl,--omagic -Wl,-T -Wl,mips/board/sdram-setup.ld -nostdlib
mips_board_sdram_setup_elf_SOURCES = mips/board/sdram-setup.cc

program_targets = \
	userspace/bootinit.elf \
	userspace/init.elf \
	userspace/boot.elf \
	userspace/gpio.elf \
	userspace/lcd.elf \
	userspace/nand.elf \
	userspace/rtc.elf \
	userspace/sdmmc.elf \
	userspace/udc.elf \
	userspace/elfrun.elf \
	userspace/fat.elf \
	userspace/font.elf \
	userspace/gui.elf \
	userspace/partition.elf \
	userspace/usbmassstorage.elf \
	userspace/alarm.elf \
	userspace/ball.elf \
	userspace/booter.elf \
	userspace/bsquare.elf \
	userspace/buzzer.elf \
	userspace/metronome.elf \
	userspace/test.elf

fs_targets = \
	fs/alarm.elf \
	fs/ball.elf \
	fs/boot.elf \
	fs/booter.elf \
	fs/bootinit.elf \
	fs/bsquare.elf \
	fs/buzzer.elf \
	fs/elfrun.elf \
	fs/fat.elf \
	fs/font.elf \
	fs/gpio.elf \
	fs/gui.elf \
	fs/init.elf \
	fs/lcd.elf \
	fs/metronome.elf \
	fs/nand.elf \
	fs/partition.elf \
	fs/rtc.elf \
	fs/sdmmc.elf \
	fs/test.elf \
	fs/udc.elf \
	fs/usbmassstorage.elf

noinst_PROGRAMS += $(program_targets)
noinst_DATA += $(fs_targets)
AM_CPPFLAGS = -fno-inline -Iinclude -Imips -Imips/board -mips32 -DNANONOTE
AM_CXXFLAGS = -O5 -Wno-unused-parameter -fno-strict-aliasing -fno-builtin -ggdb3
AM_LDFLAGS = -nostdlib

BUILT_SOURCES = $(headers) userspace/data/charset.data server

userspace/boot/threadlist.S: userspace/boot/mkthreadlist Makefile $(addprefix fs/,$(addsuffix .elf,bootinit $(notdir $(boot_threads))))
	$< bootinit $(boot_threads) > $@

PYPP = /usr/bin/pypp
%.cc: %.ccp
	$(PYPP) --name $< < $< > $@
%.hh: %.hhp
	$(PYPP) --name $< < $< > $@

userspace/data/charset.data: userspace/data/charset
	$< > $@
fs/font.dat: userspace/data/courier-10+8+32.png userspace/data/makefont
	userspace/data/makefont $< > $@
fs/init.config: userspace/data/init.config
	ln -s ../$< $@

fs/%.elf: userspace/%.elf
	mkdir -p fs
	$(OBJCOPY) -S $< $@

userspace_bootinit_elf_SOURCES = userspace/boot/crt0.cc userspace/boot/bootinit.cc ${headers}
userspace_init_elf_SOURCES = userspace/boot/crt0.cc userspace/boot/init.cc ${headers}

userspace_boot_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/boot.cc ${headers}
userspace_buzzer_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/buzzer.cc ${headers}
userspace_gpio_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/gpio.cc ${headers}
userspace_lcd_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/lcd.cc ${headers}
userspace_nand_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/nand.cc ${headers}
userspace_rtc_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/rtc.cc ${headers}
userspace_sdmmc_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/sdmmc.cc ${headers}
userspace_udc_elf_SOURCES = userspace/boot/crt0.cc userspace/hardware/udc.cc ${headers}

#userspace_buffer_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/buffer.cc ${headers}
userspace_elfrun_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/elfrun.cc ${headers}
userspace_fat_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/fat.cc ${headers}
userspace_font_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/font.cc ${headers}
userspace_gui_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/gui.cc ${headers}
userspace_partition_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/partition.cc ${headers}
userspace_usbmassstorage_elf_SOURCES = userspace/boot/crt0.cc userspace/glue/usbmassstorage.cc ${headers}

userspace_metronome_elf_SOURCES = userspace/boot/crt0.cc userspace/application/metronome.cc ${headers}
userspace_test_elf_SOURCES = userspace/boot/crt0.cc userspace/application/test.cc ${headers}
userspace_alarm_elf_SOURCES = userspace/boot/crt0.cc userspace/application/alarm.cc ${headers}
userspace_ball_elf_SOURCES = userspace/boot/crt0.cc userspace/application/ball.cc ${headers}
userspace_booter_elf_SOURCES = userspace/boot/crt0.cc userspace/application/booter.cc ${headers}
userspace_bsquare_elf_SOURCES = userspace/boot/crt0.cc userspace/application/bsquare.cc ${headers}

server:
	test -e native/Makefile || native/autogen.sh
	$(MAKE) -C native

# This target is meaningless for SD boot mode.
test: mips/start.raw mips/start.elf server mips/board/sdram-setup.raw fs/init.config fs/font.dat
	echo shutdown | nc localhost 5050 || true
	native/usb-server
	echo 'reboot $(start_load) 0x$(shell /bin/sh -c '$(OBJDUMP) -t mips/start.elf | grep __start$$ | cut -b1-8') mips/start.raw' | nc localhost 5050

# SD boot stuff
iris.tar.gz: mips/start.raw.gz mips/start.elf $(fs_targets) fs/init.config fs/font.dat
	test -d fs/boot || mkdir fs/boot
	mkimage -A mips -T kernel -a $(start_load) -e $(shell /bin/sh -c '$(OBJDUMP) -t mips/start.elf | grep __start$$ | cut -b1-8') -n Iris -d mips/start.raw.gz fs/boot/uImage | sed -e 's/:/;/g'
	cd fs && tar czvf ../$@ --dereference *
%.gz: %
	gzip < $< > $@

sources = \
	userspace/boot/bootinit.cc \
	userspace/boot/init.cc \
	userspace/hardware/boot.cc \
	userspace/hardware/buzzer.cc \
	userspace/hardware/gpio.cc \
	userspace/hardware/lcd.cc \
	userspace/hardware/nand.cc \
	userspace/hardware/rtc.cc \
	userspace/hardware/sdmmc.cc \
	userspace/hardware/udc.cc \
	userspace/glue/elfrun.cc \
	userspace/glue/fat.cc \
	userspace/glue/font.cc \
	userspace/glue/gui.cc \
	userspace/glue/partition.cc \
	userspace/glue/usbmassstorage.cc \
	userspace/application/alarm.cc \
	userspace/application/ball.cc \
	userspace/application/booter.cc \
	userspace/application/bsquare.cc \
	userspace/application/metronome.cc \
	userspace/application/test.cc

debug:
	stty -F $(SERIAL) 57600 raw
	cat $(SERIAL)

autoclean: maintainer-clean
	$(MAKE) -C native autoclean
	rm -rf aclocal.m4 configure depcomp fs install-sh iris.raw iris-sd.tar Makefile.in missing $(iris_sources) $(boot_sources) $(sources) $(headers) mips/start-hack.S mips/start.raw mips/start.raw.gz userspace/data/charset.data iris.tar.gz mips/board/sdram-setup.cc mips/board/sdram-setup.raw mips/board/sdram-setup.elf userspace/boot/crt0.cc