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Makefile
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Makefile
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# Makefile for the simple kernel.
CC =gcc
AS =as
LD =ld
OBJCOPY = objcopy
OBJDUMP = objdump
NM = nm
CFLAGS = -m32 -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -fno-builtin
LDFLAGS = -m elf_i386
# Add debug symbol
CFLAGS += -g
CFLAGS += -I.
# resolve __stack_chk_fai
CFLAGS += -fno-stack-protector
OBJDIR = .
CPUS ?= 1
CPUS ?= 1
all: boot/boot kernel/system
dd if=/dev/zero of=$(OBJDIR)/kernel.img count=10000 2>/dev/null
dd if=$(OBJDIR)/boot/boot of=$(OBJDIR)/kernel.img conv=notrunc 2>/dev/null
dd if=$(OBJDIR)/kernel/system of=$(OBJDIR)/kernel.img seek=1 conv=notrunc 2>/dev/null
include boot/Makefile
include kernel/Makefile
clean:
rm -rf $(OBJDIR)/boot/*.o $(OBJDIR)/boot/boot.out $(OBJDIR)/boot/boot $(OBJDIR)/boot/boot.asm
rm -rf $(OBJDIR)/kernel/*.o $(OBJDIR)/kernel/system* kernel.*
rm -rf $(OBJDIR)/lib/*.o
rm -rf $(OBJDIR)/user/*.o
rm -rf $(OBJDIR)/user/*.asm
rm -rf $(OBJDIR)/kernel/fs/*.o $(OBJDIR)/kernel/fs/fat/*.o
rm -rf $(OBJDIR)/kernel/drv/*.o
qemu:
qemu-system-i386 -hda kernel.img -hdb lab7.img -monitor stdio -smp $(CPUS)
debug:
qemu-system-i386 -hda kernel.img -hdb lab7.img -monitor stdio -s -S -smp $(CPUS)