75 lines
1.9 KiB
Makefile
75 lines
1.9 KiB
Makefile
ASM = nasm
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CC = gcc
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LD = ld
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#Recursive Wildcard
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rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
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rdircard=$(sort $(dir $(call rwildcard,$1,*)))
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rdircardex=$(sort $(dir $(call rwildcard,$1,$2)))
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#x64 vars
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LD_SCRIPT := build/linker.ld
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GRUB_CFG := build/grub.cfg
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TEMP_DIR := tmp
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HEADER_DIRS := $(call rdircardex, *,*.h)
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ALL_TEMP_DIRS := $(addprefix $(TEMP_DIR)/,$(call rdircard,*))
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C_FLAGS := -m64 -std=c11 -g -c $(addprefix -I, $(HEADER_DIRS)) -mcmodel=kernel -fno-stack-protector -fno-builtin -mno-red-zone -mno-mmx -mno-sse -mno-sse2 -masm=intel -Wall -Werror -Wextra -Wno-comment
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ASM_FLAGS := -g -f elf64 -I $(ASM_SRC_PATH_64)/
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LD_FLAGS := -melf_x86_64 -I
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C_SRC := $(call rwildcard, ./, *.c)
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ASM_SRC := $(call rwildcard, ./, *.asm)
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KERNEL_BIN := kernel.bin
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KERNEL_ELF := kernel.elf
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KERNEL_DASM := kernel.dasm
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#Object files
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C_OBJ := $(C_SRC:.c=.o)
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ASM_OBJ := $(ASM_SRC:.asm=.oasm)
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ALL_OBJ := $(addprefix $(TEMP_DIR)/,$(C_OBJ)) $(addprefix $(TEMP_DIR)/,$(ASM_OBJ))
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#Commands
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all: init compile link buildiso disasm clean_temp
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init:
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mkdir -p $(ALL_TEMP_DIRS)
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compile: $(C_OBJ) $(ASM_OBJ)
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link: $(KERNEL_BIN) $(KERNEL_ELF)
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buildiso:
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mkdir -p $(TEMP_DIR)/temp_iso/secX
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mkdir -p $(TEMP_DIR)/temp_iso/boot
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mkdir -p $(TEMP_DIR)/temp_iso/boot/grub
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cp $(TEMP_DIR)/$(KERNEL_BIN) $(TEMP_DIR)/temp_iso/secX/$(KERNEL_BIN)
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cp $(GRUB_CFG) $(TEMP_DIR)/temp_iso/boot/grub/
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grub-mkrescue -o secX.iso $(TEMP_DIR)/temp_iso
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clean_temp:
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rm -rf $(TEMP_DIR)
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clean: clean_temp
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rm -rf $(KERNEL_DASM)
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rm -rf secX.iso
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rm -rf *.log
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%.o: %.c
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$(CC) $(C_FLAGS) -o $(TEMP_DIR)/$@ $^
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%.oasm: %.asm
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$(ASM) $(ASM_FLAGS) -o $(TEMP_DIR)/$@ $^
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$(KERNEL_BIN): $(ALL_OBJ)
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$(LD) $(LD_FLAGS) -T $(LD_SCRIPT) --oformat binary -o $(TEMP_DIR)/$(KERNEL_BIN) $(ALL_OBJ)
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$(KERNEL_ELF): $(ALL_OBJ)
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$(LD) $(LD_FLAGS) -T $(LD_SCRIPT) --oformat elf64-x86-64 -o $(TEMP_DIR)/$(KERNEL_ELF) $(ALL_OBJ)
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disasm:
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objdump -M intel -D $(TEMP_DIR)/$(KERNEL_ELF) > $(KERNEL_DASM)
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