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# =====================================================================
# spdx-license-identifier: ISC
# glitch top-level makefile
# =====================================================================
MAKE := make
MAKEID := $(shell ${MAKE} --version | head -n1)
MAKEFLAGS += -rR --no-print-directory
ARCH := $(shell sed -nE "s/CONFIG_ARCH_(.+)=y/\1/p" .config)
SUBDIRS := lib ${ARCH} devices src
.PHONY: help info run doc clean test valgrind
help:
@echo "run: run kernel image in qemu"
@echo "test: run all tests"
@echo "valgrind: run all tests in valgrind"
run: glitch.iso
qemu-system-i386 -accel kvm -machine pc -cdrom $^ -d cpu_reset -display gtk,zoom-to-fit=on
clean:
@for d in ${SUBDIRS}; do make -C $$d -f ../root.mk clean; done
test:
@for d in ${SUBDIRS}; do make -C $$d -f ../root.mk test.quiet; done
valgrind:
@for d in ${SUBDIRS}; do make -C $$d -f ../root.mk valgrind.quiet; done
# configure targets
kconfig:
@make -C tools/kconfig -f ../../root.mk
.config: Kconfig
@alldefconfig
config.mk: .config ${ARCH}/toolchain.mk
@cat .config >> $@
@echo -e '\n## toolchain.mk' >> $@
@cat ${ARCH}/toolchain.mk >> $@
# build targets
lib/libk.a:
@${MAKE} -C lib -f ../root.mk libk.a
i686/arch.a:
@${MAKE} -C ${ARCH} -f ../root.mk arch.a
devices/devs.a:
@${MAKE} -C devices -f ../root.mk devs.a
src/kernel.a:
@${MAKE} -C src -f ../root.mk kernel.a
src/glitch.elf: lib/libk.a i686/arch.a devices/devs.a src/kernel.a
@${MAKE} -C src -f ../root.mk glitch.elf
# iso image
glitch.iso: src/glitch.elf grub/grub.cfg
@grub-file --is-x86-multiboot2 src/glitch.elf
@mkdir -p isodir/boot/grub
@mkdir -p isodir/boot/glitch
@grub-script-check grub/grub.cfg
@cp grub/grub.cfg isodir/boot/grub/grub.cfg
@cp src/glitch.elf isodir/boot/glitch/glitch.elf
@i686-elf-strip isodir/boot/glitch/glitch.elf
@rm -f isodir/boot/glitch/checksums
@sha512sum isodir/boot/glitch/* > isodir/boot/glitch/checksums
@sed -i s/isodir// isodir/boot/glitch/checksums
@grub-mkrescue -o glitch.iso isodir
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