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icache: add a couple cover points for I$ and ITIM iteraction

This commit is contained in:
Yunsup Lee 2017-11-20 13:05:44 -08:00
parent 5e94884f09
commit a60d7d419d
1 changed files with 11 additions and 0 deletions
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11
src/main/scala/rocket/ICache.scala
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@ -297,6 +297,17 @@ class ICacheModule(outer: ICache) extends LazyModuleImp(outer)
invalidate := true
}
scratchpadOn := enable
val itim_allocated = !scratchpadOn && enable
val itim_deallocated = scratchpadOn && !enable
val itim_increase = scratchpadOn && enable && scratchpadLine(a.address) > scratchpadMax.get
val refilling = refill_valid && refill_cnt > 0
ccover(itim_allocated, "ITIM_ALLOCATE", "ITIM allocated")
ccover(itim_allocated && refilling, "ITIM_ALLOCATE_WHILE_REFILL", "ITIM allocated while I$ refill")
ccover(itim_deallocated, "ITIM_DEALLOCATE", "ITIM deallocated")
ccover(itim_deallocated && refilling, "ITIM_DEALLOCATE_WHILE_REFILL", "ITIM deallocated while I$ refill")
ccover(itim_increase, "ITIM_SIZE_INCREASE", "ITIM size increased")
ccover(itim_increase && refilling, "ITIM_SIZE_INCREASE_WHILE_REFILL", "ITIM size increased while I$ refill")
}
}