ARM has the same. Apple's CPUs are interesting as they lose most register state on WFI, though there is a chicken bit to disable that behaviour - it's mentioned

ARM has the same. Apple's CPUs are interesting as they lose most register state on WFI, though there is a chicken bit to disable that behaviour - it's mentioned in one of the Asahi Linux blog posts [0] [0] - https://asahilinux.org/2021/03/progress-report-january-february-2021/ https://asahilinux.org/2021/03/progress-report-january-febru...