98 lines
3.1 KiB
Makefile
98 lines
3.1 KiB
Makefile
#CC = gcc
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CC = clang
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GCC = gcc
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CFLAGS = -Wall -Wextra -pedantic -m32 -O0 -std=c99 -finline-functions -fno-stack-protector -nostdinc -ffreestanding -Wno-unused-function -Wno-unused-parameter
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LD = ld -m elf_i386
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NASM = nasm
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YASM = yasm
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ECHO = `which echo` -e
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MODULES = $(patsubst %.c,%.o,$(wildcard kernel/core/*.c))
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FILESYSTEMS = $(patsubst %.c,%.o,$(wildcard kernel/core/fs/*.c))
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EMU = qemu
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GENEXT = genext2fs
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DD = dd conv=notrunc
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.PHONY: all clean install run
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all: toaruos-initrd toaruos-kernel
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install: toaruos-initrd toaruos-kernel
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@${ECHO} -n "\033[34m -- Installing to /boot...\033[0m"
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@cp toaruos-kernel /boot/toaruos-kernel
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@cp toaruos-initrd /boot/toaruos-initrd
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@${ECHO} "\r\033[34;1m -- Kernel and ramdisk installed.\033[0m"
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run: toaruos-kernel toaruos-initrd
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${EMU} -kernel toaruos-kernel -initrd toaruos-initrd -serial stdio
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################
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# Kernel #
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################
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toaruos-kernel: kernel/start.o kernel/link.ld kernel/main.o ${MODULES} ${FILESYSTEMS}
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@${ECHO} -n "\033[32m LD $<\033[0m"
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@${LD} -T kernel/link.ld -o toaruos-kernel kernel/*.o kernel/core/*.o kernel/core/fs/*.o
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@${ECHO} "\r\033[32;1m LD $<\033[0m"
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kernel/start.o: kernel/start.asm
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@${ECHO} -n "\033[32m nasm $<\033[0m"
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@${NASM} -f elf -o kernel/start.o kernel/start.asm
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@${ECHO} "\r\033[32;1m nasm $<\033[0m"
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%.o: %.c
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@${ECHO} -n "\033[32m CC $<\033[0m"
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@${CC} ${CFLAGS} -I./kernel/include -c -o $@ $<
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@${ECHO} "\r\033[32;1m CC $<\033[0m"
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################
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# Ram disk #
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################
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toaruos-initrd: initrd bootloader/stage1.bin initrd/boot/kernel
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@${ECHO} -n "\033[32m initrd Generating initial RAM disk\033[0m"
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@-rm -f toaruos-initrd
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@${GENEXT} -d initrd -q -b 249 toaruos-initrd
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@${DD} if=bootloader/stage1.bin of=toaruos-initrd 2>/dev/null
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@${ECHO} "\r\033[32;1m initrd Generated initial RAM disk image\033[0m"
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### Ram Disk installers...
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# Kernel
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initrd/boot/kernel: toaruos-kernel
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@mkdir -p initrd/boot
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@cp toaruos-kernel initrd/boot/kernel
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# Second-stage bootloader
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initrd/boot/stage2: bootloader/stage2.bin
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@mkdir -p initrd/boot
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@cp bootloader/stage2.bin initrd/boot/stage2
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################
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# Bootloader #
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################
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bootloader/stage1/main.o: bootloader/stage1/main.c
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@${ECHO} -n "\033[32m CC $<\033[0m"
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@${GCC} ${CFLAGS} -c -o $@ $<
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@${ECHO} "\r\033[32;1m CC $<\033[0m"
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bootloader/stage1/start.o: bootloader/stage1/start.s
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@${ECHO} -n "\033[32m yasm $<\033[0m"
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@${YASM} -f elf32 -p gas -o $@ $<
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@${ECHO} "\r\033[32;1m yasm $<\033[0m"
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bootloader/stage1.bin: bootloader/stage1/main.o bootloader/stage1/start.o bootloader/stage1/link.ld
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@${ECHO} -n "\033[32m ld $<\033[0m"
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@${LD} -o bootloader/stage1.bin -T bootloader/stage1/link.ld bootloader/stage1/start.o bootloader/stage1/main.o
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@${ECHO} "\r\033[32;1m ld $<\033[0m"
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clean:
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@${ECHO} -n "\033[31m RM Cleaning... \033[0m"
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@-rm -f toaruos-kernel
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@-rm -f toaruos-initrd
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@-rm -f kernel/*.o
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@-rm -f kernel/core/*.o
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@-rm -f kernel/core/fs/*.o
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@-rm -f bootloader/stage1.bin
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@-rm -f bootloader/stage1/*.o
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@-rm -f initrd/boot/stage2
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@-rm -f initrd/boot/kernel
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@${ECHO} "\r\033[31;1m RM Finished cleaning.\033[0m\033[K"
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