run without lapic and ioapic, if they are not present
if no lapic available, use 8253pit for clock now xv6 runs both on qemu (uniprocessor) and bochs (uniprocessor and MP)
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12 changed files with 128 additions and 48 deletions
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Makefile
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Makefile
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@ -21,6 +21,7 @@ OBJS = \
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vectors.o\
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bio.o\
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fs.o\
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8253pit.o\
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# Cross-compiling (e.g., on Mac OS X)
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TOOLPREFIX = i386-jos-elf-
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