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# If you want run this makefile immediately, then set environment
# variables (CC, LD, AS, OBJDUMP) to path of your cross-compiler.
#
# The best way to compile bootsect.bin is to run the corresponding
# target in the main Makefile, which is in the root of the
# project (.../path/to/os/Makefile)
BOOTBIN = bootsect.bin
.PHONY: all objdump clean
all: $(BOOTBIN)
$(BOOTBIN): bootsect.o
$(CC) -T linker.ld -o $(BOOTBIN) \
-ffreestanding -nostdlib \
$^ -lgcc
bootsect.o: bootsect.s
$(AS) $< -o $@
objdump:
$(OBJDUMP) -D -m i386 -b binary \
--adjust-vma=0x7c00 -Maddr16,data16 $(BOOTBIN)
clean:
rm -rf bootsect.o $(BOOTBIN)
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