-OS_ARCH := x86
+mkinc_dir := $(CURDIR)/makeinc
-BUILD_DIR := build
-KERNEL_DIR := kernel
-OBJECT_DIR := $(BUILD_DIR)/obj
-BIN_DIR := $(BUILD_DIR)/bin
-ISO_DIR := $(BUILD_DIR)/iso
-ISO_BOOT_DIR := $(ISO_DIR)/boot
-ISO_GRUB_DIR := $(ISO_BOOT_DIR)/grub
+include $(mkinc_dir)/os.mkinc
+include $(mkinc_dir)/toolchain.mkinc
+include $(mkinc_dir)/qemu.mkinc
+include $(mkinc_dir)/utils.mkinc
-INCLUDES_DIR := includes
-INCLUDES := $(patsubst %, -I%, $(INCLUDES_DIR))
+ARCH ?= i386
+export ARCH
-OS_NAME = lunaix
-OS_BIN = $(OS_NAME).bin
-OS_ISO = $(OS_NAME).iso
+DEPS := $(CC) $(LD) $(AR) xorriso grub-mkrescue
-CC := i686-elf-gcc
-AS := i686-elf-as
+kbuild_dir := build
+kbin_dir := $(kbuild_dir)/bin
+os_img_dir := $(kbuild_dir)/img
-O := -O3
-W := -Wall -Wextra
-CFLAGS := -std=gnu99 -ffreestanding $(O) $(W)
-LDFLAGS := -ffreestanding $(O) -nostdlib -lgcc
+os_build_tag := $(OS_NAME)_$(ARCH)_$(OS_VER)
+kbin := $(kbin_dir)/kernel.bin
+kimg := $(kbuild_dir)/$(os_build_tag).iso
-SOURCE_FILES := $(shell find -name "*.[cS]")
-SRC := $(patsubst ./%, $(OBJECT_DIR)/%.o, $(SOURCE_FILES))
+$(DEPS):
+ @echo -n "checking $@ .... "
+ @if which $@ > /dev/null; then \
+ echo "ok";\
+ else\
+ echo "failed" && exit 1;\
+ fi
-$(OBJECT_DIR):
- @mkdir -p $(OBJECT_DIR)
+check-cc:
+ @echo -n "checking target i686-elf.... "
+ @test "`i686-elf-gcc -dumpmachine`" = "i686-elf" && echo ok || (echo "failed" && exit 1)
-$(BIN_DIR):
- @mkdir -p $(BIN_DIR)
+$(kbuild_dir):
+ @mkdir -p $(kbin_dir)
+ @mkdir -p $(os_img_dir)
+ @mkdir -p $(os_img_dir)/boot
+ @mkdir -p $(os_img_dir)/boot/grub
+ @mkdir -p $(os_img_dir)/usr
-$(ISO_DIR):
- @mkdir -p $(ISO_DIR)
- @mkdir -p $(ISO_BOOT_DIR)
- @mkdir -p $(ISO_GRUB_DIR)
+export BUILD_DIR=$(kbin_dir)
+export BUILD_NAME=$(kbin)
+$(kbin):
+ $(call status,TASK,$(notdir $@))
+ @$(MAKE) $(MKFLAGS) -I $(mkinc_dir) -f kernel.mk all
-$(OBJECT_DIR)/%.S.o: %.S
- @mkdir -p $(@D)
- $(CC) -c $< -o $@
+$(kimg): usr/build $(kbin)
+ $(call status,TASK,$(notdir $@))
+ @./config-grub.sh ${OS_NAME} $(os_img_dir)/boot/grub/grub.cfg
+ @cp -r usr/build/* $(os_img_dir)/usr
+ @cp -r $(kbin_dir)/* $(os_img_dir)/boot
+ @grub-mkrescue -o $(kimg) $(os_img_dir) -- -volid "$(OS_ID) $(OS_VER)" -system_id "$(OS_NAME)"
-$(OBJECT_DIR)/%.c.o: %.c
- @mkdir -p $(@D)
- $(CC) $(INCLUDES) -c $< -o $@ $(CFLAGS)
+usr/build: user
-$(BIN_DIR)/$(OS_BIN): $(OBJECT_DIR) $(BIN_DIR) $(SRC)
- $(CC) -T linker.ld -o $(BIN_DIR)/$(OS_BIN) $(SRC) $(LDFLAGS)
+check: $(DEPS) check-cc GRUB_TEMPLATE
-$(BUILD_DIR)/$(OS_ISO): $(ISO_DIR) $(BIN_DIR)/$(OS_BIN) GRUB_TEMPLATE
- @./config-grub.sh ${OS_NAME} > $(ISO_GRUB_DIR)/grub.cfg
- @cp $(BIN_DIR)/$(OS_BIN) $(ISO_BOOT_DIR)
- @grub-mkrescue -o $(BUILD_DIR)/$(OS_ISO) $(ISO_DIR)
+prepare: check $(os_img_dir)
-all: clean $(BUILD_DIR)/$(OS_ISO)
+export BUILD_MODE=release
+bootable: $(kbuild_dir) $(kimg)
-all-debug: O := -O0
-all-debug: CFLAGS := -g -std=gnu99 -ffreestanding $(O) $(W) -fomit-frame-pointer
-all-debug: LDFLAGS := -ffreestanding $(O) -nostdlib -lgcc
-all-debug: clean $(BUILD_DIR)/$(OS_ISO)
- @i686-elf-objdump -D $(BIN_DIR)/$(OS_BIN) > dump
+export BUILD_MODE=debug
+bootable-debug: $(kbuild_dir) $(kimg)
+
+user:
+ $(call status,$@)
+ @$(MAKE) $(MKFLAGS) -C usr all -I $(mkinc_dir)
+
+all: bootable
+
+instable: CFLAGS := -g -std=gnu99 -ffreestanding $(O) $(W) $(ARCH_OPT) -D__LUNAIXOS_DEBUG__
+instable: all
+
+all-debug: bootable-debug
+ @echo "Dumping the disassembled kernel code to $(kbuild_dir)/kdump.txt"
+ @i686-elf-objdump -S $(kbin) > $(kbuild_dir)/kdump.txt
clean:
- @rm -rf $(BUILD_DIR)
+ @rm -rf $(kbuild_dir) || exit 1
+ @$(MAKE) -C usr clean -I $(mkinc_dir)
+ @$(MAKE) -f kernel.mk clean -I $(mkinc_dir)
run: $(BUILD_DIR)/$(OS_ISO)
- @qemu-system-i386 -cdrom $(BUILD_DIR)/$(OS_ISO)
+ @qemu-system-i386 $(QEMU_OPTIONS)
+ @sleep 1
+ @telnet 127.0.0.1 $(QEMU_MON_PORT)
debug-qemu: all-debug
- @objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
- @qemu-system-i386 -s -S -kernel $(BIN_DIR)/$(OS_BIN) &
- @gdb -s $(BUILD_DIR)/kernel.dbg -ex "target remote localhost:1234"
+ @i686-elf-objcopy --only-keep-debug $(kbin) $(kbuild_dir)/kernel.dbg
+ @qemu-system-i386 $(call get_qemu_options,$(kimg))
+ @sleep 1
+ @$(QEMU_MON_TERM) -- telnet 127.0.0.1 $(QEMU_MON_PORT)
+ @gdb -s $(kbuild_dir)/kernel.dbg -ex "target remote localhost:1234"
+
+debug-qemu-vscode: all-debug
+ @i686-elf-objcopy --only-keep-debug $(kbin) $(kbuild_dir)/kernel.dbg
+ @qemu-system-i386 $(call get_qemu_options,$(kimg))
+ @sleep 0.5
+ @telnet 127.0.0.1 $(QEMU_MON_PORT)
debug-bochs: all-debug
- @bochs -q -f bochs.cfg
\ No newline at end of file
+ @bochs -q -f bochs.cfg
+
+debug-metal:
+ @printf "@cmc" > $(PORT)
+ @gdb -s $(kbuild_dir)/kernel.dbg -ex "target remote $(PORT)"
\ No newline at end of file