uint32_t syn;
/*
- * ISV is only set for data aborts routed to EL2 and
- * never for stage-1 page table walks faulting on stage 2.
+ * ISV is only set for stage-2 data aborts routed to EL2 and
+ * never for stage-1 page table walks faulting on stage 2
+ * or for stage-1 faults.
*
* Furthermore, ISV is only set for certain kinds of load/stores.
* If the template syndrome does not have ISV set, we should leave
* See ARMv8 specs, D7-1974:
* ISS encoding for an exception from a Data Abort, the
* ISV field.
+ *
+ * TODO: FEAT_LS64/FEAT_LS64_V/FEAT_SL64_ACCDATA: Translation,
+ * Access Flag, and Permission faults caused by LD64B, ST64B,
+ * ST64BV, or ST64BV0 insns report syndrome info even for stage-1
+ * faults and regardless of the target EL.
*/
- if (!(template_syn & ARM_EL_ISV) || target_el != 2 || fi->s1ptw) {
+ if (!(template_syn & ARM_EL_ISV) || target_el != 2
+ || fi->s1ptw || !fi->stage2) {
syn = syn_data_abort_no_iss(same_el, 0,
fi->ea, 0, fi->s1ptw, is_write, fsc);
} else {