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There used to be things like this: https://en.wikipedia.org/wiki/Jazelle https://en.wikipedia.org/wiki/Jazelle
by draven 11y ago
There used to be things like this: https://en.wikipedia.org/wiki/Jazelle https://en.wikipedia.org/wiki/Jazelle
- avian 11y agoAmazon Kindle 3 has an ARM CPU that claims to support this, so this has been in production as recently as 2010. Not sure if it's actually used with the stock firmware.
- rjsw 11y agoModern ARM CPUs report that they support Jazelle but will just trap to an exception handler for every JVM bytecode. A Java CPU that works in a similar way to a Lisp Machine is JOP [1], it has microcode to implement the user-visible instructions. [1] http://www.jopdesign.com/ http://www.jopdesign.com/