On Tue, Nov 12, 2024 at 01:26:52PM +0000, Catalin Marinas wrote: > On Tue, Nov 12, 2024 at 01:08:16PM +0000, Mark Brown wrote: > > + // This has to come after we set PSTATE.SM > > +check_fpmr_in: > > + tbz x0, #HAVE_FPMR_SHIFT, wait_for_writes > > + adrp x7, fpmr_in > > + ldr x7, [x7, :lo12:fpmr_in] > > + msr FPMR, x7 > Did this build for you? I may not have a new enough assembler. Yes, it even ran through tests. I suspect it's picking up some (possibly stale generated?) header file which has the FPMR define in it. > fp-ptrace-asm.S:149:6: error: expected writable system register or pstate > msr FPMR, x7 > I changed it to REG_FPMR locally. Thanks.
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