Z_BOS/makefile at main · zeb33n/Z_BOS · GitHub

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CC = /usr/local/i386elfgcc/bin/i386-elf-gcc

LD = /usr/local/i386elfgcc/bin/i386-elf-ld

CFLAGS= -ffreestanding -m32 -g -c

SRC = src

BIN= ./bins

_CSRCS := $(shell find ./ -name "*.c")
CSRCS = $(patsubst %.c,%,$(_CSRCS))

ASMBINS := src/bootloader/boot src/bootloader/zeroes
ASMELFS := src/kernel/idtasm src/bootloader/kernel_entry

all: prebuild build

run: prebuild build resize
	qemu-system-x86_64 -drive format=raw,file=$(BIN)/OS.bin,index=0,if=ide,  -m 256M

test: CFLAGS += -DTEST
test: prebuild build resize
	qemu-system-x86_64 -drive format=raw,file=$(BIN)/OS.bin,index=0,if=ide,  -m 256M

resize:
	qemu-img resize $(BIN)/OS.bin 1G

build: bin elf c
	$(LD) -o $(BIN)/full_kernel.bin -Ttext 0x1000 $(shell find $(BIN) -name "*.o" | xargs)  --oformat binary
	cat $(BIN)/bootloader/boot.bin $(BIN)/full_kernel.bin $(BIN)/bootloader/zeroes.bin  > $(BIN)/OS.bin

prebuild:
	rm -rf $(BIN)
	mkdir $(BIN)

elf: $(ASMELFS)

$(ASMELFS): %: %.asm
	mkdir -p $(BIN)/$(shell dirname $(subst $(SRC)/,,$@))
	nasm $< -f elf -o $(subst $(SRC),$(BIN),$@.o)

bin: $(ASMBINS)

$(ASMBINS): %: %.asm
	mkdir -p $(BIN)/$(shell dirname $(subst $(SRC)/,,$@))
	nasm $< -f bin -o $(subst $(SRC),$(BIN),$@.bin)

c: $(CSRCS)

$(CSRCS): % : %.c
	mkdir -p $(BIN)/$(shell dirname $(subst $(SRC)/,,$@))
	$(CC) $(CFLAGS) $< -o $(subst $(SRC),$(BIN),$@.o)


.PHONY: clean

clean:
	rm -rf $(BIN)