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15 lines
777 B
Plaintext
15 lines
777 B
Plaintext
System/161 is a machine simulator that provides a simplified but still
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realistic environment for OS hacking. It is a 32-bit MIPS system
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supporting up to 32 processors, with up to 31 hardware slots each
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holding a single simple device (disk, console, network, etc.)
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It is used for teaching; the OS/161 instructional OS runs on it.
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However, it has also proven useful as a rapid development platform for
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bringing up research or experimental kernels.
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System/161 supports fully transparent debugging, via remote gdb into
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the simulator. It also provides transparent kernel profiling,
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statistical monitoring, event tracing (down to the level of individual
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machine instructions) and one can connect multiple running System/161
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instances together into a network using a "hub" program.
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