Jordan Niethe's on March 20, 2020 3:17 pm: > A future revision of the ISA will introduce prefixed instructions. A > prefixed instruction is composed of a 4-byte prefix followed by a > 4-byte suffix. > > All prefixes have the major opcode 1. A prefix will never be a valid > word instruction. A suffix may be an existing word instruction or a > new instruction. > > This series enables prefixed instructions and extends the instruction > emulation to support them. Then the places where prefixed instructions > might need to be emulated are updated. > > The series is based on top of: > https://patchwork.ozlabs.org/patch/1232619/ as this will effect > kprobes. > > v4 is based on feedback from Nick Piggins, Christophe Leroy and Daniel Axtens. > The major changes: > - Move xmon breakpoints from data section to text section > - Introduce a data type for instructions on powerpc
Thanks for doing this, looks like a lot of work, I hope it works out :) Thanks, Nick