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# ToAruOS Primary Build Script
ifneq ($(MAKECMDGOALS),toolchain)
ifeq ($(TOOLCHAIN),)
$(error No toolchain available and you did not ask to build it. Did you forget to source the toolchain config?)
endif
endif
# We always build with our targetted cross-compiler
CC = i686-pc-toaru-gcc
NM = i686-pc-toaru-nm
CXX= i686-pc-toaru-g++
AR = i686-pc-toaru-ar
# Build flags
CFLAGS = -O2 -std=c99
CFLAGS += -finline-functions -ffreestanding
CFLAGS += -Wall -Wextra -Wno-unused-function -Wno-unused-parameter
CFLAGS += -pedantic -fno-omit-frame-pointer
CFLAGS += -D_KERNEL_
# Kernel autoversioning with git sha
CFLAGS += -DKERNEL_GIT_TAG=`util/make-version`
# We have some pieces of assembly sitting around as well...
YASM = yasm
# All of the core parts of the kernel are built directly.
KERNEL_OBJS = $(patsubst %.c,%.o,$(wildcard kernel/*/*.c))
KERNEL_OBJS += $(patsubst %.c,%.o,$(wildcard kernel/*/*/*.c))
# Loadable modules
MODULES = $(patsubst modules/%.c,hdd/mod/%.ko,$(wildcard modules/*.c))
# We also want to rebuild when a header changes.
# This is a naive approach, but it works...
HEADERS = $(shell find kernel/include/ -type f -name '*.h')
# Userspace build flags
USER_CFLAGS = -O3 -m32 -Wa,--32 -g -Iuserspace -std=c99 -U__STRICT_ANSI__
USER_CXXFLAGS = -O3 -m32 -Wa,--32 -g -Iuserspace
USER_BINFLAGS =
# Userspace binaries and libraries
USER_CFILES = $(shell find userspace -not -wholename '*/lib/*' -name '*.c')
USER_CXXFILES = $(shell find userspace -not -wholename '*/lib/*' -name '*.c++')
USER_LIBFILES = $(shell find userspace -wholename '*/lib/*' -name '*.c')
# Userspace output files (so we can define metatargets)
USERSPACE = $(foreach file,$(USER_CFILES),$(patsubst %.c,hdd/bin/%,$(notdir ${file})))
USERSPACE += $(foreach file,$(USER_CXXFILES),$(patsubst %.c++,hdd/bin/%,$(notdir ${file})))
USERSPACE += $(foreach file,$(USER_LIBFILES),$(patsubst %.c,%.o,${file}))
CORE_LIBS = $(patsubst %.c,%.o,$(wildcard userspace/lib/*.c))
# Pretty output utilities.
BEG = util/mk-beg
END = util/mk-end
INFO = util/mk-info
ERRORS = 2>>/tmp/.`whoami`-build-errors || util/mk-error
ERRORSS = >>/tmp/.`whoami`-build-errors || util/mk-error
BEGRM = util/mk-beg-rm
ENDRM = util/mk-end-rm
# Hard disk image generation
GENEXT = genext2fs
DISK_SIZE = `util/disk_size.sh`
DD = dd conv=notrunc
# Specify which modules should be included on startup.
# There are a few modules that are kinda required for a working system
# such as all of the dependencies needed to mount the root partition.
# We can also include things like the debug shell...
# Note that ordering matters - list dependencies first.
BOOT_MODULES := zero random serial
BOOT_MODULES += procfs tmpfs ata
#BOOT_MODULES += dospart
BOOT_MODULES += ext2
BOOT_MODULES += debug_shell
BOOT_MODULES += ps2mouse ps2kbd
BOOT_MODULES += lfbvideo
BOOT_MODULES += packetfs
BOOT_MODULES += pcspkr
# This is kinda silly. We're going to form an -initrd argument..
# which is basically -initrd "hdd/mod/%.ko,hdd/mod/%.ko..."
# for each of the modules listed above in BOOT_MODULES
COMMA := ,
EMPTY :=
SPACE := $(EMPTY) $(EMPTY)
BOOT_MODULES_X = -initrd "$(subst $(SPACE),$(COMMA),$(foreach mod,$(BOOT_MODULES),hdd/mod/$(mod).ko))"
# Emulator settings
EMU = qemu-system-i386
EMUARGS = -sdl -kernel toaruos-kernel -m 1024
EMUARGS += -serial stdio -vga std
EMUARGS += -hda toaruos-disk.img -k en-us -no-frame
EMUARGS += -rtc base=localtime -net nic,model=rtl8139 -net user -soundhw pcspk
EMUARGS += -net dump -no-kvm-irqchip
EMUARGS += $(BOOT_MODULES_X)
EMUKVM = -enable-kvm
DISK_ROOT = root=/dev/hda
VID_QEMU = vid=qemu,,1280,,720
START_VGA = start=--vga
START_SINGLE = start=--single
WITH_LOGS = logtoserial=1
.PHONY: all system install test toolchain userspace modules
.PHONY: clean clean-soft clean-hard clean-user clean-mods clean-core clean-disk clean-once
.PHONY: run vga term headless
.PHONY: kvm vga-kvm term-kvm headless-kvm
.PHONY: debug debug-kvm debug-term debug-term-kvm
# Prevents Make from removing intermediary files on failure
.SECONDARY:
# Disable built-in rules
.SUFFIXES:
all: system tags userspace
system: toaruos-disk.img toaruos-kernel modules
userspace: ${USERSPACE}
modules: ${MODULES}
# Various different quick options
run: system
${EMU} ${EMUARGS} -append "$(VID_QEMU) $(DISK_ROOT)"
kvm: system
${EMU} ${EMUARGS} ${EMUKVM} -append "$(VID_QEMU) $(DISK_ROOT)"
debug: system
${EMU} ${EMUARGS} -append "$(VID_QEMU) $(WITH_LOGS) $(DISK_ROOT)"
debug-kvm: system
${EMU} ${EMUARGS} ${EMUKVM} -append "$(VID_QEMU) $(WITH_LOGS) $(DISK_ROOT)"
vga: system
${EMU} ${EMUARGS} -append "$(START_VGA) $(DISK_ROOT)"
vga-kvm: system
${EMU} ${EMUARGS} ${EMUKVM} -append "$(START_VGA) $(DISK_ROOT)"
debug-vga: system
${EMU} ${EMUARGS} -append "$(WITH_LOGS) $(START_VGA) $(DISK_ROOT)"
term: system
${EMU} ${EMUARGS} -append "$(VID_QEMU) $(START_SINGLE) $(DISK_ROOT)"
term-kvm: system
${EMU} ${EMUARGS} ${EMUKVM} -append "$(VID_QEMU) $(START_SINGLE) $(DISK_ROOT)"
debug-term: system
${EMU} ${EMUARGS} -append "$(VID_QEMU) $(START_SINGLE) $(WITH_LOGS) $(DISK_ROOT)"
debug-term-kvm: system
${EMU} ${EMUARGS} ${EMUKVM} -append "$(VID_QEMU) $(START_SINGLE) $(WITH_LOGS) $(DISK_ROOT)"
headless: system
${EMU} ${EMUARGS} -display none -append "$(START_VGA) $(DISK_ROOT)"
headless-kvm: system
${EMU} ${EMUARGS} ${EMUKVM} -display none -append "$(START_VGA) $(DISK_ROOT)"
test: system
expect util/test.exp
toolchain:
@cd toolchain; ./toolchain-build.sh
################
# Kernel #
################
toaruos-kernel: kernel/start.o kernel/link.ld kernel/main.o kernel/symbols.o ${KERNEL_OBJS}
@${BEG} "CC" "$<"
@${CC} -T kernel/link.ld -nostdlib -o toaruos-kernel kernel/*.o ${KERNEL_OBJS} -lgcc ${ERRORS}
@${END} "CC" "$<"
@${INFO} "--" "Kernel is ready!"
kernel/symbols.o: ${KERNEL_OBJS} util/generate_symbols.py
@-rm -f kernel/symbols.o
@${BEG} "nm" "Generating symbol list..."
@${CC} -T kernel/link.ld -nostdlib -o toaruos-kernel kernel/*.o ${KERNEL_OBJS} -lgcc ${ERRORS}
@${NM} toaruos-kernel -g | python2 util/generate_symbols.py > kernel/symbols.s
@${END} "nm" "Generated symbol list."
@${BEG} "yasm" "kernel/symbols.s"
@${YASM} -f elf -o $@ kernel/symbols.s ${ERRORS}
@${END} "yasm" "kernel/symbols.s"
kernel/start.o: kernel/start.s
@${BEG} "yasm" "$<"
@${YASM} -f elf -o $@ $< ${ERRORS}
@${END} "yasm" "$<"
kernel/sys/version.o: kernel/*/*.c kernel/*.c
hdd/mod/%.ko: modules/%.c ${HEADERS}
@${BEG} "CC" "$< [module]"
@${CC} -T modules/link.ld -I./kernel/include -nostdlib ${CFLAGS} -c -o $@ $< ${ERRORS}
@${END} "CC" "$< [module]"
kernel/%.o: kernel/%.c ${HEADERS}
@${BEG} "CC" "$<"
@${CC} ${CFLAGS} -g -I./kernel/include -c -o $@ $< ${ERRORS}
@${END} "CC" "$<"
#############
# Userspace #
#############
# Libraries
userspace/%.o: userspace/%.c
@${BEG} "CC" "$<"
@${CC} ${USER_CFLAGS} $(shell util/auto-dep.py --cflags $<) -c -o $@ $< ${ERRORS}
@${END} "CC" "$<"
# Binaries from C sources
define user-c-rule
$1: $2 $(shell util/auto-dep.py --deps $2)
@${BEG} "CC" "$$<"
@${CC} -o $$@ $(USER_CFLAGS) $(USER_BINFLAGS) $$(shell util/auto-dep.py --cflags $$<) $$< $$(shell util/auto-dep.py --libs $$<) ${ERRORS}
@${END} "CC" "$$<"
endef
$(foreach file,$(USER_CFILES),$(eval $(call user-c-rule,$(patsubst %.c,hdd/bin/%,$(notdir ${file})),${file})))
# Binaries from C++ sources
define user-cxx-rule
$1: $2 $(shell util/auto-dep.py --deps $2)
@${BEG} "C++" "$$<"
@${CXX} -o $$@ $(USER_CXXFLAGS) $(USER_BINFLAGS) $$(shell util/auto-dep.py --cflags $$<) $$< $$(shell util/auto-dep.py --libs $$<) ${ERRORS}
@${END} "C++" "$$<"
endef
$(foreach file,$(USER_CXXFILES),$(eval $(call user-cxx-rule,$(patsubst %.c++,hdd/bin/%,$(notdir ${file})),${file})))
hdd/usr/lib/libtoaru.a: ${CORE_LIBS}
@${BEG} "AR" "$@"
@${AR} rcs $@ ${CORE_LIBS}
@mkdir -p hdd/usr/include/toaru
@cp userspace/lib/*.h hdd/usr/include/toaru/
@${END} "AR" "$@"
####################
# Hard Disk Images #
####################
toaruos-disk.img: ${USERSPACE} ${MODULES} util/devtable
@${BEG} "hdd" "Generating a Hard Disk image..."
@-rm -f toaruos-disk.img
@${GENEXT} -B 4096 -d hdd -D util/devtable -U -b ${DISK_SIZE} -N 4096 toaruos-disk.img ${ERRORS}
@${END} "hdd" "Generated Hard Disk image"
@${INFO} "--" "Hard disk image is ready!"
##############
# ctags #
##############
tags: kernel/*/*.c kernel/*.c userspace/**/*.c modules/*.c
@${BEG} "ctag" "Generating CTags..."
@-ctags -R --c++-kinds=+p --fields=+iaS --extra=+q kernel userspace modules util ${ERRORS}
@${END} "ctag" "Generated CTags."
###############
# clean #
###############
clean-soft:
@${BEGRM} "RM" "Cleaning modules..."
@-rm -f kernel/*.o
@-rm -f kernel/*/*.o
@-rm -f ${KERNEL_OBJS}
@${ENDRM} "RM" "Cleaned modules"
clean-user:
@${BEGRM} "RM" "Cleaning userspace products..."
@-rm -f ${USERSPACE}
@${ENDRM} "RM" "Cleaned userspace products"
clean-mods:
@${BEGRM} "RM" "Cleaning kernel modules..."
@-rm -f hdd/mod/*
@${ENDRM} "RM" "Cleaned kernel modules"
clean-core:
@${BEGRM} "RM" "Cleaning final output..."
@-rm -f toaruos-kernel
@${ENDRM} "RM" "Cleaned final output"
clean-disk:
@${BEGRM} "RM" "Deleting hard disk image..."
@-rm -f toaruos-disk.img
@${ENDRM} "RM" "Deleted hard disk image"
clean: clean-soft clean-core
@${INFO} "--" "Finished soft cleaning"
clean-hard: clean clean-user clean-mods
@${INFO} "--" "Finished hard cleaning"
# vim:noexpandtab
# vim:tabstop=4
# vim:shiftwidth=4
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