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Diffstat (limited to 'hw/intc/arm_gicv3_its.c')
-rw-r--r--hw/intc/arm_gicv3_its.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/hw/intc/arm_gicv3_its.c b/hw/intc/arm_gicv3_its.c
index 9735d609df..069991f7f3 100644
--- a/hw/intc/arm_gicv3_its.c
+++ b/hw/intc/arm_gicv3_its.c
@@ -468,21 +468,21 @@ static ItsCmdResult process_mapc(GICv3ITSState *s, const uint64_t *cmdpkt)
CTEntry cte;
icid = cmdpkt[2] & ICID_MASK;
-
- cte.rdbase = (cmdpkt[2] & R_MAPC_RDBASE_MASK) >> R_MAPC_RDBASE_SHIFT;
- cte.rdbase &= RDBASE_PROCNUM_MASK;
-
cte.valid = cmdpkt[2] & CMD_FIELD_VALID_MASK;
+ if (cte.valid) {
+ cte.rdbase = (cmdpkt[2] & R_MAPC_RDBASE_MASK) >> R_MAPC_RDBASE_SHIFT;
+ cte.rdbase &= RDBASE_PROCNUM_MASK;
+ } else {
+ cte.rdbase = 0;
+ }
- if ((icid >= s->ct.num_entries) || (cte.rdbase >= s->gicv3->num_cpu)) {
+ if (icid >= s->ct.num_entries) {
+ qemu_log_mask(LOG_GUEST_ERROR, "ITS MAPC: invalid ICID 0x%d", icid);
+ return CMD_CONTINUE;
+ }
+ if (cte.valid && cte.rdbase >= s->gicv3->num_cpu) {
qemu_log_mask(LOG_GUEST_ERROR,
- "ITS MAPC: invalid collection table attributes "
- "icid %d rdbase %u\n", icid, cte.rdbase);
- /*
- * in this implementation, in case of error
- * we ignore this command and move onto the next
- * command in the queue
- */
+ "ITS MAPC: invalid RDBASE %u ", cte.rdbase);
return CMD_CONTINUE;
}