This is a patch to the or1ksim simulator code in the openRISC project at opencores.org to provide 64-bit support. The current or1ksim simulator code "only" emulates a 32-bit processor and 64-bit operation is envisaged by the openRISC specification document, so this patch sets out to provide it by changing the simulated architecture to contain 64-bit registers and addresses.

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2015-01-05
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