112 lines
3.4 KiB
Makefile
112 lines
3.4 KiB
Makefile
CFLAGS = -g -std=gnu11 -m32 -mgeneral-regs-only -nostdlib -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pie -fno-stack-protector -Wno-pointer-to-int-cast
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CXXFLAGS = -g -m32 -fno-use-cxa-atexit -mgeneral-regs-only -nostdlib -fno-builtin -fno-rtti -fno-exceptions -fno-leading-underscore -fpermissive -fno-pie -fno-stack-protector -I.
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LDFLAGS =
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DISK_IMG_FILES = build/kernel/kernel.bin hello.txt alpha.txt \
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build/hello/hello.bin
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KERNEL_CPP_SRCS = $(wildcard src/kernel/*.cpp) $(wildcard src/kernel/*/*.cpp)
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KERNEL_ASM_SRCS = $(wildcard src/kernel/*.asm)
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KERNEL_CPP_OBJS = $(patsubst src/%.cpp,build/%.o,$(KERNEL_CPP_SRCS))
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KERNEL_ASM_OBJS = $(patsubst src/%.asm,build/%.o,$(KERNEL_ASM_SRCS))
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KERNEL_OBJS = build/kernel/isr.o $(KERNEL_CPP_OBJS) $(KERNEL_ASM_OBJS)
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STAGE2_C_SRCS = $(wildcard src/boot_stage2/*.c)
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STAGE2_C_OBJS = $(patsubst src/%.c,build/%.o,$(STAGE2_C_SRCS))
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STAGE2_OBJS = build/c_code_entry.o $(STAGE2_C_OBJS)
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PROGRAM_COMMON = build/program_code_entry.o build/common/common.o
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PROGRAM_C_SRCS = $(wildcard src/program/*.c)
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PROGRAM_C_OBJS = $(patsubst src/%.c,build/%.o,$(PROGRAM_C_SRCS))
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PROGRAM_OBJS = $(PROGRAM_COMMON) $(PROGRAM_C_OBJS)
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HELLO_C_SRCS = $(wildcard src/hello/*.c)
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HELLO_C_OBJS = $(patsubst src/%.c,build/%.o,$(HELLO_C_SRCS))
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HELLO_OBJS = $(PROGRAM_COMMON) $(HELLO_C_OBJS)
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WORLD_C_SRCS = $(wildcard src/world/*.c)
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WORLD_C_OBJS = $(patsubst src/%.c,build/%.o,$(WORLD_C_SRCS))
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WORLD_OBJS = $(PROGRAM_COMMON) $(WORLD_C_OBJS)
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.PHONY: run debug prepare clean
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run: disk.img
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qemu-system-i386 disk.img
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debug: disk.img
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qemu-system-i386 -s -S -no-reboot -no-shutdown disk.img & gdb --command=gdbscript
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disk.img: prepare build/boot/boot.bin build/boot_stage2/boot.bin $(DISK_IMG_FILES) build/world/world.bin
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dd if=/dev/zero of=disk.img count=43 bs=100k
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dd if=build/boot/boot.bin of=disk.img conv=notrunc
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dd obs=512 seek=1 if=build/boot_stage2/boot.bin of=disk.img conv=notrunc
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mount disk.img img.d
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mkdir img.d/etc/
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cp $(DISK_IMG_FILES) img.d/
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cp build/world/world.bin img.d/etc/world.bin
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sleep 0.1
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umount img.d
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chmod 777 disk.img
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prepare:
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mkdir -p img.d
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mkdir -p build/boot
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mkdir -p build/boot_stage2
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mkdir -p build/kernel
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mkdir -p build/kernel/datatypes
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mkdir -p build/kernel/stdio
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mkdir -p build/program
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mkdir -p build/hello
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mkdir -p build/world
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mkdir -p build/common
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mountpoint img.d | grep not || umount img.d
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clean:
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rm -rf build
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build/boot/boot.bin: src/boot/boot.asm
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nasm $< -o $@
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# Boot Stage 2
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build/boot_stage2/boot.bin: src/boot_stage2/boot_stage2.ld $(STAGE2_OBJS)
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ld $(LDFLAGS) -T $< $(STAGE2_OBJS)
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build/boot_stage2/%.o: src/boot_stage2/%.c
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gcc $(CFLAGS) -o $@ -c $<
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# Kernel
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build/%.bin: build/%.elf
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objcopy -O binary $< $@
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build/kernel/kernel.elf: src/kernel/kernel.ld $(KERNEL_OBJS)
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ld $(LDFLAGS) -T $< $(KERNEL_OBJS)
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build/%.o: src/%.c
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gcc $(CFLAGS) -o $@ -c $<
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build/%.o: src/%.cpp
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g++ $(CXXFLAGS) -o $@ -c $<
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build/%.o: src/%.asm
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nasm -felf32 $< -o $@
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build/kernel/isr.o: src/kernel/isr.S
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nasm -felf32 $< -o $@
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src/kernel/isr.S: src/kernel/isr.S.base src/kernel/gen_isr_asm.sh
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cd src/kernel/ && ./gen_isr_asm.sh
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# Program
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build/program/program.bin: src/program/program.ld $(PROGRAM_OBJS)
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echo $(PROGRAM_OBJS)
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ld $(LDFLAGS) -T $< $(PROGRAM_OBJS)
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build/hello/hello.bin: src/hello/hello.ld $(HELLO_OBJS)
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ld $(LDFLAGS) -T $< $(HELLO_OBJS)
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build/world/world.bin: src/world/world.ld $(WORLD_OBJS)
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ld $(LDFLAGS) -T $< $(WORLD_OBJS)
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