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Merge pull request #809 from ucb-bar/better-multirocc

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Add WithMultiRoCCFromBuildRoCC to make heterogeneous accelerator configs easier
This commit is contained in:
Jerry Zhao
2021-03-01 12:02:09 -08:00
committed by GitHub
parent 0357160cb8 ffcb3156c9
commit 43a408e043
1 changed files with 11 additions and 0 deletions
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11
generators/chipyard/src/main/scala/ConfigFragments.scala
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@@ -83,6 +83,17 @@ class WithMultiRoCC extends Config((site, here, up) => {
case BuildRoCC => site(MultiRoCCKey).getOrElse(site(TileKey).hartId, Nil) case BuildRoCC => site(MultiRoCCKey).getOrElse(site(TileKey).hartId, Nil)
}) })
/**
* Assigns what was previously in the BuildRoCC key to specific harts with MultiRoCCKey
* Must be paired with WithMultiRoCC
*/
class WithMultiRoCCFromBuildRoCC(harts: Int*) extends Config((site, here, up) => {
case BuildRoCC => Nil
case MultiRoCCKey => up(MultiRoCCKey, site) ++ harts.distinct.map { i =>
(i -> up(BuildRoCC, site))
}
})
/** /**
* Config fragment to add Hwachas to cores based on hart * Config fragment to add Hwachas to cores based on hart
* *