kaguya
95cc19fd1a
Replace the legacy userpsace Makefile with the CMake build system for the kernel The userspace is the only one still utilizing manual Makefiles, it will eventually be CMakified Signed-off-by: kaguya <vpshinomiya@protonmail.com>
50 lines
708 B
Makefile
50 lines
708 B
Makefile
CC = gcc
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LD = ld
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BUILD = build
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EXT2_ROOT = ../ext2_root
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CFLAGS = \
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-m64 \
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-O2 \
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-ffreestanding \
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-fno-pie \
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-fno-pic \
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-fno-stack-protector \
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-nostdlib \
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-nodefaultlibs \
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-fno-builtin
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LDFLAGS = \
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-m elf_x86_64 \
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-T linker.ld \
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-nostdlib \
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-z max-page-size=0x1000
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SRC_C = programs/init.c
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SRC_S = crt0.S
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OBJ = \
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$(BUILD)/init.o \
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$(BUILD)/crt0.o
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all: $(BUILD)/init.elf
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$(BUILD):
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mkdir -p $(BUILD)
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$(BUILD)/init.o: programs/init.c | $(BUILD)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/crt0.o: crt0.S | $(BUILD)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/init.elf: $(OBJ)
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$(LD) $(LDFLAGS) $^ -o $@
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install: $(BUILD)/init.elf
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cp $(BUILD)/init.elf $(EXT2_ROOT)/init.elf
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clean:
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rm -rf $(BUILD)
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