diff --git a/src/main/scala/rocket/DCache.scala b/src/main/scala/rocket/DCache.scala index 379e0a15..7371d641 100644 --- a/src/main/scala/rocket/DCache.scala +++ b/src/main/scala/rocket/DCache.scala @@ -103,7 +103,6 @@ class DCacheModule(outer: DCache) extends HellaCacheModule(outer) { // address translation val tlb = Module(new TLB(log2Ceil(coreDataBytes), nTLBEntries)) io.ptw <> tlb.io.ptw - io.cpu.s2_xcpt := RegEnable(Mux(tlb.io.req.valid && !tlb.io.resp.miss, tlb.io.resp, 0.U.asTypeOf(tlb.io.resp)), s1_valid_not_nacked) tlb.io.req.valid := s1_valid && !io.cpu.s1_kill && (s1_readwrite || s1_sfence) tlb.io.req.bits.sfence.valid := s1_sfence tlb.io.req.bits.sfence.bits.rs1 := s1_req.typ(0) @@ -481,6 +480,9 @@ class DCacheModule(outer: DCache) extends HellaCacheModule(outer) { io.cpu.resp.bits.replay := false io.cpu.ordered := !(s1_valid || s2_valid || cached_grant_wait || uncachedInFlight.asUInt.orR) + val s1_xcpt = Mux(s1_nack || !tlb.io.req.valid, 0.U.asTypeOf(tlb.io.resp), tlb.io.resp) + io.cpu.s2_xcpt := RegEnable(s1_xcpt, s1_valid) + // uncached response io.cpu.replay_next := tl_out.d.fire() && grantIsUncachedData val doUncachedResp = Reg(next = io.cpu.replay_next) diff --git a/src/main/scala/rocket/NBDcache.scala b/src/main/scala/rocket/NBDcache.scala index c3f7517b..7418fb9a 100644 --- a/src/main/scala/rocket/NBDcache.scala +++ b/src/main/scala/rocket/NBDcache.scala @@ -699,7 +699,6 @@ class NonBlockingDCacheModule(outer: NonBlockingDCache) extends HellaCacheModule val dtlb = Module(new TLB(log2Ceil(coreDataBytes), nTLBEntries)) io.ptw <> dtlb.io.ptw - io.cpu.s2_xcpt := RegEnable(Mux(dtlb.io.req.valid && !dtlb.io.resp.miss, dtlb.io.resp, 0.U.asTypeOf(dtlb.io.resp)), s1_clk_en) dtlb.io.req.valid := s1_valid && !io.cpu.s1_kill && (s1_readwrite || s1_sfence) dtlb.io.req.bits.sfence.valid := s1_sfence dtlb.io.req.bits.sfence.bits.rs1 := s1_req.typ(0) @@ -976,6 +975,9 @@ class NonBlockingDCacheModule(outer: NonBlockingDCache) extends HellaCacheModule io.cpu.ordered := mshrs.io.fence_rdy && !s1_valid && !s2_valid io.cpu.replay_next := (s1_replay && s1_read) || mshrs.io.replay_next + val s1_xcpt = Mux(s1_nack || !dtlb.io.req.valid, 0.U.asTypeOf(dtlb.io.resp), dtlb.io.resp) + io.cpu.s2_xcpt := RegEnable(s1_xcpt, s1_clk_en) + // performance events io.cpu.acquire := edge.done(tl_out.a) io.cpu.release := edge.done(tl_out.c)