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-rw-r--r--target/mips/op_helper.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c
index c15f5c0776..2496d1dd71 100644
--- a/target/mips/op_helper.c
+++ b/target/mips/op_helper.c
@@ -1586,6 +1586,11 @@ void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op)
memory_region_dispatch_read(env->itc_tag, index, &env->CP0_TagLo,
MO_64, MEMTXATTRS_UNSPECIFIED);
break;
+ case 0b000: /* Index Invalidate */
+ case 0b100: /* Hit Invalidate */
+ case 0b110: /* Hit Writeback */
+ /* no-op */
+ break;
default:
break;
}