getpsr
#define trapoff() do { setpsr(getpsr() & ~PSR_ET); } while(0)
#define trapon() do { setpsr(getpsr() | PSR_ET); } while(0)
i = getpsr();
i = getpsr();
pil = (getpsr() & PSR_PIL) >> 8;
pcb->pcb_psr = getpsr();
opsr = getpsr(); /* KDASSERT(opsr & PSR_ET); */
setpsr(getpsr() & ~PSR_EF);
setpsr(getpsr() & ~PSR_EF);
setpsr(getpsr() & ~PSR_EF);
setpsr(getpsr() & ~PSR_EF);
opcb->pcb_psr = getpsr();
(getpsr() & PSR_PIL) >> 8);