63 lines
1.7 KiB
Makefile
63 lines
1.7 KiB
Makefile
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OSNAME = CustomOS
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GNUEFI = ../gnu-efi
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OVMFDIR = ../OVMFbin
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LDS = kernel.ld
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CC = gcc
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LD = ld
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CFLAGS = -ffreestanding -fshort-wchar
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LDFLAGS = -T $(LDS) -static -Bsymbolic -nostdlib
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OSNAME = CustomOS
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GNUEFI = ../gnu-efi
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OVMFDIR = ../OVMFbin
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LDS = kernel.ld
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CC = gcc
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LD = ld
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CFLAGS = -ffreestanding -fshort-wchar
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LDFLAGS = -T $(LDS) -static -Bsymbolic -nostdlib
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SRCDIR := src
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OBJDIR := lib
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BUILDDIR = bin
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BOOTEFI := $(GNUEFI)/x86_64/bootloader/main.efi
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rwildcard=$(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d))
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SRC = $(call rwildcard,$(SRCDIR),*.cpp)
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OBJS = $(patsubst $(SRCDIR)/%.cpp, $(OBJDIR)/%.o, $(SRC))
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DIRS = $(wildcard $(SRCDIR)/*)
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kernel: $(OBJS) link
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$(OBJDIR)/%.o: $(SRCDIR)/%.cpp
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@ echo !==== COMPILING $^
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@ mkdir -p $(@D)
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$(CC) $(CFLAGS) -c $^ -o $@
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link:
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@ echo !==== LINKING
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@echo $(OBJS)
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$(LD) $(LDFLAGS) -o $(BUILDDIR)/kernel.elf $(OBJS)
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setup:
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@mkdir $(BUILDDIR)
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@mkdir $(SRCDIR)
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@mkdir $(OBJDIR)
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buildimg:
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dd if=/dev/zero of=$(BUILDDIR)/$(OSNAME).img bs=512 count=93750
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mformat -i $(BUILDDIR)/$(OSNAME).img ::
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mmd -i $(BUILDDIR)/$(OSNAME).img ::/EFI
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mmd -i $(BUILDDIR)/$(OSNAME).img ::/EFI/BOOT
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mcopy -i $(BUILDDIR)/$(OSNAME).img $(BOOTEFI) ::/EFI/BOOT
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mcopy -i $(BUILDDIR)/$(OSNAME).img startup.nsh ::
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mcopy -i $(BUILDDIR)/$(OSNAME).img $(BUILDDIR)/kernel.elf ::
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mcopy -i $(BUILDDIR)/$(OSNAME).img $(BUILDDIR)/zap-light18.psf ::
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run:
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qemu-system-x86_64 -drive file=$(BUILDDIR)/$(OSNAME).img -m 64M -cpu qemu64 -drive if=pflash,format=raw,unit=0,file="$(OVMFDIR)/OVMF_CODE-pure-efi.fd",readonly=on -drive if=pflash,format=raw,unit=1,file="$(OVMFDIR)/OVMF_VARS-pure-efi.fd" -net none
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