-OS_ARCH := x86
+include config/make-locations
+include config/make-os
+include config/make-cc
+include config/make-debug-tool
-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
+DEPS := $(CC) $(LD) xorriso grub-mkrescue
-INCLUDES_DIR := includes
INCLUDES := $(patsubst %, -I%, $(INCLUDES_DIR))
+SOURCE_FILES := $(shell find -name "*.[cS]")
+SRC := $(patsubst ./%, $(OBJECT_DIR)/%.o, $(SOURCE_FILES))
-OS_NAME = lunaix
-OS_BIN = $(OS_NAME).bin
-OS_ISO = $(OS_NAME).iso
-
-CC := i686-elf-gcc
-AS := i686-elf-as
+$(DEPS):
+ @echo -n "checking $@ .... "
+ @if which $@ > /dev/null; then \
+ echo "ok";\
+ else\
+ echo "failed" && exit 1;\
+ fi
-O := -O2
-W := -Wall -Wextra
-CFLAGS := -std=gnu99 -ffreestanding $(O) $(W)
-LDFLAGS := -ffreestanding $(O) -nostdlib -lgcc
+check-cc:
+ @echo -n "checking target i686-elf.... "
+ @test "`i686-elf-gcc -dumpmachine`" = "i686-elf" && echo ok || (echo "failed" && exit 1)
-SOURCE_FILES := $(shell find -name "*.[cS]")
-SRC := $(patsubst ./%, $(OBJECT_DIR)/%.o, $(SOURCE_FILES))
+check: $(DEPS) check-cc
$(OBJECT_DIR):
@mkdir -p $(OBJECT_DIR)
$(OBJECT_DIR)/%.S.o: %.S
@mkdir -p $(@D)
- $(CC) $(INCLUDES) -c $< -o $@
+ @echo " CC $<"
+ @$(CC) $(INCLUDES) -c $< -o $@
$(OBJECT_DIR)/%.c.o: %.c
@mkdir -p $(@D)
- $(CC) $(INCLUDES) -c $< -o $@ $(CFLAGS)
+ @echo " CC $<"
+ @$(CC) $(INCLUDES) -c $< -o $@ $(CFLAGS)
$(BIN_DIR)/$(OS_BIN): $(OBJECT_DIR) $(BIN_DIR) $(SRC)
- $(CC) -T linker.ld -o $(BIN_DIR)/$(OS_BIN) $(SRC) $(LDFLAGS)
+ @echo " LD $(BIN_DIR)/$(OS_BIN)"
+ @$(CC) -T link/linker.ld -o $(BIN_DIR)/$(OS_BIN) $(SRC) $(LDFLAGS)
-$(BUILD_DIR)/$(OS_ISO): $(ISO_DIR) $(BIN_DIR)/$(OS_BIN) GRUB_TEMPLATE
- @./config-grub.sh ${OS_NAME} > $(ISO_GRUB_DIR)/grub.cfg
+$(BUILD_DIR)/$(OS_ISO): check $(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)
-all: clean $(BUILD_DIR)/$(OS_ISO)
+all: $(BUILD_DIR)/$(OS_ISO)
+
+instable: CFLAGS := -g -std=gnu99 -ffreestanding $(O) $(W) $(ARCH_OPT) -D__LUNAIXOS_DEBUG__
+instable: all
-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: O := -Og
+all-debug: CFLAGS := -g -std=gnu99 -ffreestanding $(O) $(W) $(ARCH_OPT) -D__LUNAIXOS_DEBUG__
+all-debug: LDFLAGS := -g -ffreestanding $(O) -nostdlib -lgcc
all-debug: clean $(BUILD_DIR)/$(OS_ISO)
- @i686-elf-objdump -D $(BIN_DIR)/$(OS_BIN) > dump
+ @echo "Dumping the disassembled kernel code to $(BUILD_DIR)/kdump.txt"
+ @i686-elf-objdump -S $(BIN_DIR)/$(OS_BIN) > $(BUILD_DIR)/kdump.txt
clean:
- @rm -rf $(BUILD_DIR)
+ @rm -rf $(BUILD_DIR) || exit 1
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) &
+ @i686-elf-objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
+ @qemu-system-i386 $(QEMU_OPTIONS)
+ @sleep 1
+ @$(QEMU_MON_TERM) -- telnet 127.0.0.1 $(QEMU_MON_PORT)
@gdb -s $(BUILD_DIR)/kernel.dbg -ex "target remote localhost:1234"
+debug-qemu-vscode: all-debug
+ @i686-elf-objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
+ @qemu-system-i386 $(QEMU_OPTIONS)
+ @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 $(BUILD_DIR)/kernel.dbg -ex "target remote $(PORT)"
\ No newline at end of file