HelenOS sources

MSR_PR             65 kernel/arch/ppc32/include/arch/istate.h 	return (istate->srr1 & MSR_PR) != 0;
MSR_PR             65 uspace/lib/c/arch/ppc32/include/libarch/istate.h 	return (istate->srr1 & MSR_PR) != 0;