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OpenRISC 1000 support for IDA 7.x

Place the or1k.py in the procs directory. If you don't see "OpenRISC 1000 (or1k)" in the CPU selection, then check if Python support is working in IDA.

You can switch between delay-slot and no-delay mode by changing the value of the ND in the dialog box displayed by pressing Alt-G.

  • A non-zero value of ND means no delay.

  • On the CPU this mode is controlled by the ND bit of the special-purpose register CPUCFGR.