EXC_ISI
vm_signal(rv, EXC_ISI, tf->tf_srr0, ksi);
vm_signal(rv, EXC_ISI, tf->tf_srr0, ksi);
ksi->ksi_trap = EXC_ISI;
{ EXC_ISI, accesstrap, (uintptr_t)&accesssize },
mtspr(SPR_IVOR3, EXC_ISI); /* instruction storage */
case EXC_ISI|EXC_USER:
ksi.ksi_trap = EXC_ISI;
case EXC_ISI: trapstr = "ISI"; break;
ksi->ksi_trap = EXC_ISI;
case EXC_ISI: /* Instruction storage interrupt */
case EXC_ISI:
case EXC_ISI|EXC_USER:
ksi.ksi_trap = EXC_ISI;