blob: 5382072f3bd0035df710b44b93435282124ef6aa (
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if (get_field(STATE.mstatus->read(), MSTATUS_TW)) {
require_privilege(PRV_M);
} else if (STATE.v) {
if (STATE.prv == PRV_U || get_field(STATE.hstatus->read(), HSTATUS_VTW))
require_novirt();
} else if (p->extension_enabled('S')) {
// When S-mode is implemented, then executing WFI in
// U-mode causes an illegal instruction exception.
require_privilege(PRV_S);
}
wfi();
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