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tilelink2: simpler sizes requirement for users to understand

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This commit is contained in:
Wesley W. Terpstra 2016-09-01 11:12:59 -07:00
parent ab998c08f1
commit c411a3e77f
1 changed files with 3 additions and 1 deletions
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4
uncore/src/main/scala/tilelink2/Parameters.scala
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@ -47,7 +47,7 @@ case class TransferSizes(min: Int, max: Int)
def this(x: Int) = this(x, x) def this(x: Int) = this(x, x)
require (min <= max) require (min <= max)
require (min != 0 || max == 0) require (min >= 0 && max >= 0)
require (max == 0 || isPow2(max)) require (max == 0 || isPow2(max))
require (min == 0 || isPow2(min)) require (min == 0 || isPow2(min))
require (max <= TransferSizes.maxAllowed) require (max <= TransferSizes.maxAllowed)
@ -175,6 +175,8 @@ case class TLManagerPortParameters(managers: Seq[TLManagerParameters], beatBytes
// Synthesizable lookup methods // Synthesizable lookup methods
def find(address: UInt) = Vec(managers.map(_.address.map(_.contains(address)).reduce(_ || _))) def find(address: UInt) = Vec(managers.map(_.address.map(_.contains(address)).reduce(_ || _)))
def findById(id: UInt) = Vec(managers.map(_.sinkId.contains(id))) def findById(id: UInt) = Vec(managers.map(_.sinkId.contains(id)))
// !!! need a cheaper version of find, where we assume a valid address match exists
// Does this Port manage this ID/address? // Does this Port manage this ID/address?
def contains(address: UInt) = find(address).reduce(_ || _) def contains(address: UInt) = find(address).reduce(_ || _)