I'm trying to get the current PC value into an assembly routine written for xtensa (lx6) cores. After digging into the instruction set doc, I cannot see really how to achieve this. It looks as if the PC is not mapped into the 16 AR, and I cannot see it listed into the registers I can access through the RSR instruction, or even the RER instruction.
Any Idea ?
Access the PC in an assembly routine
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