lordtet
b127a659bb
- Changed primary assembler to NASM. Specifically so I could use - - Swapped start.s to intel syntax. I find it prettier. Learned a lot doing it tbh. - Changed the name of the multiboot structures in C.
76 lines
1.4 KiB
Makefile
76 lines
1.4 KiB
Makefile
###CONFIGURATION
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ARCH := i686
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CROSS := $(ARCH)-elf-
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AS := nasm
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CC := $(CROSS)gcc
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LD := $(CROSS)ld
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QEMU := qemu-system-i386
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INCLUDES:= include/
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CFLAGS := -I $(INCLUDES) -O2 -Wall -Wextra -ffreestanding -nostdlib -lgcc -g
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LDFLAGS := -T linker.ld -nostdlib
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ASFLAGS := -f elf32
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SRC_DIR := src
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OBJ_DIR := obj
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BIN_DIR := build
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LOADER_DIR := module_bootloader
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SOURCES := $(wildcard $(SRC_DIR)/*.c) $(wildcard $(SRC_DIR)/*.s)
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OBJECTS := $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(SOURCES:.c=.o))
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OBJECTS := $(OBJECTS:.s=.o)
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OUT_ELF := $(BIN_DIR)/ukern.elf
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OUT_ISO := $(BIN_DIR)/uOS.iso
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###RULES
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.PHONY: all
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all: $(OUT_ELF)
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#Build Targets
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$(OUT_ELF): $(OBJECTS)
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@mkdir -p $(BIN_DIR)
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$(LD) $(LDFLAGS) -o $@ $^ $(shell $(CC) -print-libgcc-file-name)
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
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@mkdir -p $(dir $@)
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$(CC) $(CFLAGS) -c $< -o $@
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.s
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@mkdir -p $(dir $@)
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$(AS) $(ASFLAGS) $< -o $@
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#Related targets
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$(OUT_ISO): $(OUT_ELF)
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@cp $(OUT_ELF) $(LOADER_DIR)/src/boot/
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@$(MAKE) -C $(LOADER_DIR) all
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@cp $(LOADER_DIR)/$(OUT_ISO) $(BIN_DIR)/
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#Utility
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.PHONY: clean
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clean:
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rm -rf $(OBJ_DIR) $(BIN_DIR)
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.PHONY: iso
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iso: $(OUT_ISO)
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.PHONY: run
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run: $(OUT_ELF)
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$(QEMU) -kernel $(OUT_ELF)
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.PHONY: debug
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debug:
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$(QEMU) -s -S -kernel $(OUT_ELF)
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.PHONY: run_iso
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run_iso:
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$(QEMU) -cdrom $(OUT_ISO)
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.PHONY: debug_iso
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debug_iso:
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$(QEMU) -s -S -cdrom $(OUT_ISO)
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