Re: [PATCH 1/2] powerpc: add BookS wait opcode macro
From: Segher Boessenkool <hidden>
Date: 2022-07-12 16:31:33
Hi! On Mon, Jul 11, 2022 at 01:11:27PM +1000, Nicholas Piggin wrote:
The wait instruction has a different encoding between BookE and BookS. Add the BookS variant.
#define PPC_RAW_WAIT(w) (0x7c00007c | __PPC_WC(w)) +#define PPC_RAW_WAIT_BOOKS(w, p) (0x7c00003c | __PPC_WC(w) | __PPC_PL(p))
The embedded extensions are no longer part of the PowerPC architecture, so wouldn't it be a better way forward to rename the existing one, instead? A bit more work now, but less in the future :-) Segher