47 lines
1.5 KiB
Makefile
47 lines
1.5 KiB
Makefile
ASM=nasm
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SRC_DIR=source
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BUILD_DIR=disk_images
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DATA_DIR=data
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# CD image
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cdrom: $(BUILD_DIR)/crawos.iso
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$(BUILD_DIR)/crawos.iso: floppy_image
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mkdir -p disk_images
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mkisofs -quiet -V 'CRAWOS' -input-charset iso8859-1 -o disk_images/crawos.iso -b crawos.img disk_images/
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chmod 755 disk_images/*
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chgrp users disk_images/*
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# Floppy image
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# Fat12
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floppy_image: $(BUILD_DIR)/crawos.img
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$(BUILD_DIR)/crawos.img: bootloader kernel check-fat83
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mkdir -p disk_images
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dd if=/dev/zero of=$(BUILD_DIR)/crawos.img bs=512 count=2880 # Use dd to make a disk image
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mkfs.fat -F 12 -n "CRAWOS" $(BUILD_DIR)/crawos.img # Format the disk image with fat12
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dd if=$(BUILD_DIR)/boot.bin of=$(BUILD_DIR)/crawos.img conv=notrunc # Put boot.bin inside the disk image
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mcopy -i $(BUILD_DIR)/crawos.img $(BUILD_DIR)/kernel.bin "::kernel.bin" # Put kernel.bin inside the disk image
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for filename in $(DATA_DIR)/*; do mcopy -i $(BUILD_DIR)/crawos.img $$filename "::/$$(echo $$filename | xargs -n 1 basename)"; done
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# Bootloader
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bootloader: $(BUILD_DIR)/boot.bin
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$(BUILD_DIR)/boot.bin:
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mkdir -p disk_images
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$(ASM) $(SRC_DIR)/bootload/boot.asm -f bin -o $ $(BUILD_DIR)/boot.bin
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# Kernel
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kernel: $(BUILD_DIR)/kernel.bin
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$(BUILD_DIR)/kernel.bin:
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mkdir -p disk_images
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$(ASM) $(SRC_DIR)/kernel/kernel.asm -f bin -o $ $(BUILD_DIR)/kernel.bin
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check-fat83:
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@echo "Checking filenames for FAT 8.3 compliance..."
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@find ./data -type f | awk -F/ '{print $$NF}' | \
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awk -F. 'length($$1)>8 || length($$2)>3 || NF>2 {print "Invalid FAT 8.3 filename:", $$0; bad=1} END{exit bad}'
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# Clean
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clean:
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rm -f disk_images/*
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