3 ms·
And the former isn't even an instruction, set a single bit in ACTLR_EL1 and off you go. The second is an extension that talks to a coprocessor that's quite app
by my123 6y ago
And the former isn't even an instruction, set a single bit in ACTLR_EL1 and off you go.
The second is an extension that talks to a coprocessor that's quite application specific. And that has an unstable ISA that changes every year. Probably not the biggest priority for anyone.
- saagarjha 6y agoWell, four bits: in addition ACTLR_EL1_EnTSO to the kernel also sets ACTLR_EL1_EnAPFLG | ACTLR_EL1_EnAFP | ACTLR_EL1_EnPRSV, whatever those are.