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Merge pull request #1138 from freechipsproject/cover_tag_ecc_error_during_fence_i

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Added coverage point to cover the case when ECC error happens during …
This commit is contained in:
Henry Cook
2017-12-01 18:00:11 -08:00
committed by GitHub
parent 4bac8be483 7c2df9f0bf
commit 71ddd797bf
1 changed files with 2 additions and 0 deletions
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src/main/scala/rocket/DCache.scala
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@@ -712,6 +712,8 @@ class DCacheModule(outer: DCache) extends HellaCacheModule(outer) {
flushing := !release_ack_wait && !uncachedInFlight.asUInt.orR flushing := !release_ack_wait && !uncachedInFlight.asUInt.orR
} }
} }
ccover(s2_valid_masked && s2_req.cmd === M_FLUSH_ALL && s2_meta_error, "TAG_ECC_ERROR_DURING_FENCE_I", "D$ ECC error in tag array during cache flush")
ccover(s2_valid_masked && s2_req.cmd === M_FLUSH_ALL && s2_data_error, "DATA_ECC_ERROR_DURING_FENCE_I", "D$ ECC error in data array during cache flush")
s1_flush_valid := metaArb.io.in(5).fire() && !s1_flush_valid && !s2_flush_valid_pre_tag_ecc && release_state === s_ready && !release_ack_wait s1_flush_valid := metaArb.io.in(5).fire() && !s1_flush_valid && !s2_flush_valid_pre_tag_ecc && release_state === s_ready && !release_ack_wait
metaArb.io.in(5).valid := flushing metaArb.io.in(5).valid := flushing
metaArb.io.in(5).bits.write := false metaArb.io.in(5).bits.write := false