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Renee Cousins edited this page Apr 14, 2021
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PJIT is a real-time version of JIT that avoids the traditional issues of dynamic memory allocation and non-determinism. It is designed to run as a bare metal process on ARM microprocessors operating in big-endian mode to provide transparent access to a traditional 68K bus. It is useable with ARM SoC that integrates only a modest (by today's standards) amount of memory.
PJIT does not attempt to be a full system emulator, however, where required, the low-level bus arbitration of the 68000 itself is emulated.
PJIT does not provide any OS-type restrictions on the guest system nor does it grant any obvious benefit such as being able to call drivers or libraries of a hypothetical host OS.