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- HOST ?= $(shell uname -s | tr '[:upper:]' '[:lower:]')
- ARCH ?= ##DEFAULT_ARCH##
- MODE ?= debug
- SMP ?= 4
- QEMU ?= ##QEMU##
- GDB ?= ##GDB##
- FDISK ?= ##FDISK##
- QEMU_ARGS ?= -machine q35 -drive id=disk,file=build/boot.img,format=raw,if=none \
- -device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 \
- -netdev user,id=mynet0,net=192.168.1.0/24,dhcpstart=192.168.1.16 -device e1000e,netdev=mynet0 \
- -no-reboot -no-shutdown
- ifeq ($(HOST),darwin)
- QEMU_ACCEL ?= -accel tcg
- else ifeq ($(HOST),linux)
- QEMU_ACCEL ?= -accel kvm
- endif
- QEMU_ARGS += $(QEMU_ACCEL)
- ifneq ($(DEBUG_TRAPS),)
- QEMU_ARGS += -d cpu_reset,int,guest_errors -D build/qemu.log
- endif
- ifneq ($(SMP),)
- QEMU_ARGS += -smp $(SMP)
- endif
- ifeq ($(MODE),debug)
- MODE := dev
- endif
- COMMA := ,
- CARGO_FLAGS := --profile $(MODE) --features $(FEATURES)$(if $(SMP),$(COMMA)smp,)
- .PHONY: run
- run: build
- $(QEMU) $(QEMU_ARGS) -display none -serial mon:stdio
- .PHONY: srun
- srun: build
- $(QEMU) $(QEMU_ARGS) -display none -S -s -serial mon:stdio
- .PHONY: clean
- clean:
- -mv build/fs.img .
- -rm -rf build
- -mkdir build
- -mv fs.img build
- .PHONY: clean-all
- clean-all: clean
- -rm Makefile
- .PHONY: debug
- debug:
- -RUST_GDB=$(GDB) rust-gdb --symbols=build/kernel.sym \
- -iex 'source pretty-print.py' \
- -iex 'set pagination off' \
- -iex 'set output-radix 16' \
- -iex 'set print asm-demangle on' \
- -iex 'set print pretty on' \
- -iex 'target remote:1234'
- -killall $(QEMU)
- .PHONY: tmux-debug
- tmux-debug:
- tmux new-session -s gbos-debug -d
- -tmux split-window -t gbos-debug -hf
- -tmux send-keys -t gbos-debug:1.1 'make srun' C-m
- -tmux send-keys -t gbos-debug:1.2 'make debug' C-m C-m
- -tmux attach -t gbos-debug
- tmux kill-session -t gbos-debug
- .PHONY: kernel
- kernel:
- cargo build $(CARGO_FLAGS)
- build/kernel.sym: kernel
- cargo objcopy $(CARGO_FLAGS) -- --only-keep-debug build/kernel.sym
- build/mbr.bin: kernel
- cargo objcopy $(CARGO_FLAGS) -- -O binary -j .mbr build/mbr.bin
- build/stage1.bin: kernel
- cargo objcopy $(CARGO_FLAGS) -- -O binary -j .stage1 build/stage1.bin
- build/kernel.bin: kernel
- cargo objcopy $(CARGO_FLAGS) -- -O binary --strip-debug \
- -R .mbr -R .stage1 build/kernel.bin
- build/fs.img: init_script.sh
- sh script/build-img.sh
- build/boot.img: build/mbr.bin build/stage1.bin build/kernel.bin build/fs.img
- dd if=build/mbr.bin of=build/boot.img bs=512 count=1 conv=notrunc 2> /dev/null
- dd if=build/stage1.bin of=build/boot.img bs=512 seek=1 conv=notrunc 2> /dev/null
- dd if=build/kernel.bin of=build/boot.img bs=4096 seek=1 conv=notrunc 2> /dev/null
- dd if=build/fs.img of=build/boot.img bs=$(shell expr 4 \* 1024 \* 1024) \
- seek=1 conv=notrunc 2> /dev/null
- sh -c 'echo n; echo; echo; echo 8192; echo; echo a; echo w' \
- | $(FDISK) build/boot.img 2> /dev/null > /dev/null
- .PHONY: build
- build: build/boot.img build/kernel.sym
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