mirror of
https://github.com/Tom-on64/kern.git
synced 2026-11-03 18:22:22 +00:00
101 lines
2.8 KiB
Makefile
101 lines
2.8 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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CCFLAGS := -g -std=c17 -ffreestanding -fno-builtin -fno-stack-protector -fno-pie \
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-Os -nostdinc -mgeneral-regs-only -m32 -march=i386 -Wall
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LDFLAGS := -z notext -melf_i386 -nostdlib
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ASFLAGS :=
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include make.config
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BOOT := ./boot
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SRC := ./src
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BIN := ./bin
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LIBK_INC := ./libk/include
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LIBC_INC := ./libc/include
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LIBC_DIR := ./libc
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LIBK_DIR := ./libk
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FONT_DIR := ./usr/fonts
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LIBK_SRC := $(shell find $(LIBK_DIR) -type f -name "**.c")
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FONTS := testfont term16n
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BOOTLOADER := $(BIN)/stage1.bin $(BIN)/stage2.bin $(BIN)/stage3.bin
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KERNEL := $(BIN)/kernel.bin
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LIBC := $(BIN)/libc.o
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LIBK := $(BIN)/libk.o
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ISO := kern.iso
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.PHONY: os clean run
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# Main compilation target
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os: $(ISO)
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$(ISO): $(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): $(BOOT)/stage1.asm $(BOOT)/stage2.asm $(BOOT)/stage3.c $(LIBC) $(LIBK)
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@echo "Assembling $(BOOT)/stage1.asm..."
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$(AS) -fbin -o $(BIN)/stage1.bin $(BOOT)/stage1.asm $(ASFLAGS)
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@echo "Assembling $(BOOT)/stage2.asm..."
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$(AS) -fbin -o $(BIN)/stage2.bin $(BOOT)/stage2.asm $(ASFLAGS)
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@echo "Compiling $(BOOT)/stage3.c..."
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$(CC) $(CCFLAGS) -I$(LIBK_INC) -I$(LIBC_INC) -o $(BIN)/stage3.o -c $(BOOT)/stage3.c
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$(LD) $(LDFLAGS) -T$(BOOT)/stage3.ld --oformat binary -o $(BIN)/stage3.bin $(BIN)/stage3.o $(LIBC) $(LIBK)
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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 $(LIBC) #TODO: $(LIBK)
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@echo "Compiling $(SRC)/kernel.c..."
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$(CC) $(CCFLAGS) -I$(LIBK_INC) -I$(LIBC_INC) -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 $(LIBC) $(LIBK)
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rm $(BIN)/kernel.o
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# TODO: user programs
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$(LIBC): $(LIBC_DIR)/**.c
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@echo "Compiling $(LIBC)..."
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mkdir -p $(BIN)/libc
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for f in libc/*.c; do\
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filename=$$(basename $$f .c);\
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$(CC) $(CCFLAGS) -I$(LIBC_INC) -o $(BIN)/libc/$$filename.o -c $$f;\
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done
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$(LD) $(LDFLAGS) -r -o $(LIBC) $(BIN)/libc/**.o
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$(LIBK): $(LIBK_SRC)
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@echo "Compiling $(LIBK)..."
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mkdir -p $(BIN)/libk
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for f in $(LIBK_SRC); do\
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filename=$$(basename $$f .c);\
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$(CC) $(CCFLAGS) -I$(LIBC_INC) -I$(LIBK_INC) -o $(BIN)/libk/$$filename.o -c $$f;\
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done
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$(LD) $(LDFLAGS) -r -o $@ $(BIN)/libk/**.o
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# This target retrieves all fonts inside src/fonts
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$(FONTS):
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cp $(FONT_DIR)/$@.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=$(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 -f kern.iso
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rm -rf $(BIN)
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rm -f makedisk
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