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1 # specify path to QEMU, installed with MacPorts
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2 QEMU = qemu-system-arm
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3
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4 include makefile.inc
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5
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6 # link the libgcc.a for __aeabi_idiv. ARM has no native support for div
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7 LIBS = $(LIBGCC)
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8
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9 OBJS = \
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10 lib/string.o \
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11 \
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12 arm.o\
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13 asm.o\
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14 bio.o\
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15 buddy.o\
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16 console.o\
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17 exec.o\
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18 file.o\
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19 fs.o\
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20 log.o\
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21 main.o\
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22 memide.o\
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23 pipe.o\
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24 proc.o\
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25 spinlock.o\
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26 start.o\
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27 swtch.o\
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28 syscall.o\
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29 sysfile.o\
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30 sysproc.o\
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31 trap_asm.o\
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32 trap.o\
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33 vm.o \
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34 \
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35 device/picirq.o \
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36 device/timer.o \
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37 device/uart.o
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38
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39 KERN_OBJS = $(OBJS) entry-clang.o
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40 kernel.elf: $(addprefix build/,$(KERN_OBJS)) kernel-clang.ld build/initcode build/fs.img
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41 cp -f build/initcode initcode
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42 cp -f build/fs.img fs.img
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43 $(call LINK_BIN, kernel-clang.ld, kernel.elf, \
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44 $(addprefix build/,$(KERN_OBJS)), \
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45 initcode fs.img)
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46 $(OBJDUMP) -S kernel.elf > kernel.asm
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47 $(OBJDUMP) -t kernel.elf | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernel.sym
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48 rm -f initcode fs.img
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49
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50 qemu: kernel.elf
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51 @clear
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52 @echo "Press Ctrl-A and then X to terminate QEMU session\n"
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53 $(QEMU) -M versatilepb -m 128 -cpu arm1176 -nographic -kernel kernel.elf
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54
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55 INITCODE_OBJ = initcode.o
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56 $(addprefix build/,$(INITCODE_OBJ)): initcode.S
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57 $(call build-directory)
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58 $(call AS_WITH, -nostdinc -I.)
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59
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60 #initcode is linked into the kernel, it will be used to craft the first process
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61 build/initcode: $(addprefix build/,$(INITCODE_OBJ))
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62 $(call LINK_INIT, -N -e start -Ttext 0)
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63 $(call OBJCOPY_INIT)
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64 $(OBJDUMP) -S $< > initcode.asm
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65
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66 build/fs.img:
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67 make -C tools
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68 make -C usr
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69
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70 clean:
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71 rm -rf build
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72 rm -f *.o *.d *.asm *.sym vectors.S bootblock entryother \
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73 initcode initcode.out kernel xv6.img fs.img kernel.elf memfs
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74 make -C tools clean
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75 make -C usr clean
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