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https://github.com/Tom-on64/kern.git
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70 lines
2.0 KiB
Makefile
70 lines
2.0 KiB
Makefile
# Variables
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CC = i686-elf-gcc
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LD = i686-elf-ld
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AS = nasm
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CFLAGS = -std=c17 -ffreestanding -fno-builtin -fno-stack-protector -fno-pie \
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-Os -nostdinc -mgeneral-regs-only -m32 -march=i386 -Wall -Iinclude/c
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LDFLAGS = -z notext -melf_i386
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SRC = ./src
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BIN = ./bin
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C_FILES = calc edit
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FONTS = testfont term16n
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.PHONY: os clean run
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# Main compilation target
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os: $(BIN) bootloader kernel $(C_FILES) $(FONTS)
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@cc ./makedisk.c -o ./makedisk
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@./makedisk # TODO: List of files
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@echo "\nDone!\n"
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$(BIN):
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@[ -d $(BIN) ] || mkdir $(BIN)
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@rm -rf $(BIN)/*
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# Bootloader: This target is responsible for creating stage?.bin (1,2,3)
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bootloader: $(SRC)/stage1.asm $(SRC)/stage2.asm
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@echo "Assembling $(SRC)/stage1.asm..."
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@$(AS) -fbin -o $(BIN)/stage1.bin $(SRC)/stage1.asm
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@echo "Assembling $(SRC)/stage2.asm..."
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@$(AS) -fbin -o $(BIN)/stage2.bin $(SRC)/stage2.asm
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@echo "Compiling $(SRC)/stage3.c..."
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@$(CC) $(CFLAGS) -Iinclude -o $(BIN)/stage3.o -c $(SRC)/stage3.c
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@$(LD) $(LDFLAGS) -T$(SRC)/stage3.ld --oformat binary -o $(BIN)/stage3.bin $(BIN)/stage3.o
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@rm $(BIN)/stage3.o
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# Kernel: This target is responsible for creating kernel.bin
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kernel: $(SRC)/kernel.c
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@echo "Compiling $(SRC)/kernel.c..."
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@$(CC) $(CFLAGS) -Iinclude -o $(BIN)/kernel.o -c $(SRC)/kernel.c
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@$(LD) $(LDFLAGS) -T$(SRC)/kernel.ld --oformat binary -o $(BIN)/kernel.bin $(BIN)/kernel.o
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@rm $(BIN)/kernel.o
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# This target compiles *.c (except kernel.c)
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$(C_FILES):
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@echo "Compiling $(SRC)/$@.c..."
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@$(CC) $(CFLAGS) -o $(BIN)/$@.o -c $(SRC)/$@.c
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@$(LD) $(LDFLAGS) -T$(SRC)/$@.ld --oformat binary -o $(BIN)/$@.bin $(BIN)/$@.o
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@rm $(BIN)/$@.o
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# This target builds all fonts inside src/fonts
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$(FONTS):
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@cp $(SRC)/fonts/$@.fnt $(BIN)/$@.fnt
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# Run QEMU
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run:
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qemu-system-x86_64\
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-drive format=raw,file="./kern.iso",index=0,media=disk\
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-m 256M -accel tcg -monitor stdio\
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-rtc base=localtime,clock=host,driftfix=slew\
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-audiodev coreaudio,id=audio0 -machine pcspk-audiodev=audio0
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# Clean all build files
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clean:
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@rm -rf $(BIN)
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@#rm -f kern.iso
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@rm -f makedisk
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