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tilelink2: use a new type in the signature of null-parameter Bundle methods

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This commit is contained in:
Wesley W. Terpstra 2016-08-26 15:03:39 -07:00
parent 0ff33a31a4
commit 4649c42f50
1 changed files with 34 additions and 28 deletions
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62
uncore/src/main/scala/tilelink2/Bundles.scala
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@ -89,20 +89,26 @@ object TLAtomics
def isLogical(x: UInt) = Bool(true)
}
class Bogus
object Bogus
{
def apply() = new Bogus
}
trait HasTLOpcode
{
// The data field in this message has value
def hasData(x: Int=0): Bool
def hasData(x: Bogus = Bogus()): Bool
// This message requires a response
def hasFollowUp(x: Int=0): Bool
def hasFollowUp(x: Bogus = Bogus()): Bool
// The size field of the opcode
def size(x: Int=0): UInt
def size(x: Bogus = Bogus()): UInt
}
trait HasTLData extends HasTLOpcode
{
def data(x: Int=0): UInt
def wmask(x: Int=0): UInt
def data(x: Bogus = Bogus()): UInt
def wmask(x: Bogus = Bogus()): UInt
}
// !!! trait HasTLSource|Sink|Address
@ -120,15 +126,15 @@ class TLBundleA(params: TLBundleParameters)
val wmask = UInt(width = params.dataBits/8)
val data = UInt(width = params.dataBits)
def hasData(x: Int=0) = !opcode(2)
def hasData(x: Bogus = Bogus()) = !opcode(2)
// opcode === TLMessages.PutFullData ||
// opcode === TLMessages.PutPartialData ||
// opcode === TLMessages.ArithmeticData ||
// opcode === TLMessages.LogicalData
def hasFollowUp(x: Int=0) = Bool(true)
def size(x: Int=0) = size
def data(x: Int=0) = data
def wmask(x: Int=0) = wmask
def hasFollowUp(x: Bogus = Bogus()) = Bool(true)
def size(x: Bogus = Bogus()) = size
def data(x: Bogus = Bogus()) = data
def wmask(x: Bogus = Bogus()) = wmask
}
class TLBundleB(params: TLBundleParameters)
@ -143,11 +149,11 @@ class TLBundleB(params: TLBundleParameters)
val wmask = UInt(width = params.dataBits/8)
val data = UInt(width = params.dataBits)
def hasData(x: Int=0) = !opcode(2)
def hasFollowUp(x: Int=0) = Bool(true)
def size(x: Int=0) = size
def data(x: Int=0) = data
def wmask(x: Int=0) = wmask
def hasData(x: Bogus = Bogus()) = !opcode(2)
def hasFollowUp(x: Bogus = Bogus()) = Bool(true)
def size(x: Bogus = Bogus()) = size
def data(x: Bogus = Bogus()) = data
def wmask(x: Bogus = Bogus()) = wmask
}
class TLBundleC(params: TLBundleParameters)
@ -161,16 +167,16 @@ class TLBundleC(params: TLBundleParameters)
val address = UInt(width = params.addressBits) // to
val data = UInt(width = params.dataBits)
def hasData(x: Int=0) = opcode(0)
def hasData(x: Bogus = Bogus()) = opcode(0)
// opcode === TLMessages.AccessAckData ||
// opcode === TLMessages.ProbeAckData ||
// opcode === TLMessages.ReleaseData
def hasFollowUp(x: Int=0) = opcode(2) && !opcode(1)
def hasFollowUp(x: Bogus = Bogus()) = opcode(2) && !opcode(1)
// opcode === TLMessages.Release ||
// opcode === TLMessages.ReleaseData
def size(x: Int=0) = size
def data(x: Int=0) = data
def wmask(x: Int=0) = SInt(-1, width = params.dataBits/8).asUInt
def size(x: Bogus = Bogus()) = size
def data(x: Bogus = Bogus()) = data
def wmask(x: Bogus = Bogus()) = SInt(-1, width = params.dataBits/8).asUInt
}
class TLBundleD(params: TLBundleParameters)
@ -184,15 +190,15 @@ class TLBundleD(params: TLBundleParameters)
val sink = UInt(width = params.sinkBits) // from
val data = UInt(width = params.dataBits)
def hasData(x: Int=0) = opcode(0)
def hasData(x: Bogus = Bogus()) = opcode(0)
// opcode === TLMessages.AccessAckData ||
// opcode === TLMessages.GrantData
def hasFollowUp(x: Int=0) = !opcode(2) && opcode(1)
def hasFollowUp(x: Bogus = Bogus()) = !opcode(2) && opcode(1)
// opcode === TLMessages.Grant ||
// opcode === TLMessages.GrantData
def size(x: Int=0) = size
def data(x: Int=0) = data
def wmask(x: Int=0) = SInt(-1, width = params.dataBits/8).asUInt
def size(x: Bogus = Bogus()) = size
def data(x: Bogus = Bogus()) = data
def wmask(x: Bogus = Bogus()) = SInt(-1, width = params.dataBits/8).asUInt
}
class TLBundleE(params: TLBundleParameters)
@ -201,9 +207,9 @@ class TLBundleE(params: TLBundleParameters)
{
val sink = UInt(width = params.sourceBits) // to
def hasData(x: Int=0) = Bool(false)
def hasFollowUp(x: Int=0) = Bool(false)
def size(x: Int=0) = UInt(log2Up(params.dataBits/8))
def hasData(x: Bogus = Bogus()) = Bool(false)
def hasFollowUp(x: Bogus = Bogus()) = Bool(false)
def size(x: Bogus = Bogus()) = UInt(log2Up(params.dataBits/8))
}
class TLBundle(params: TLBundleParameters) extends TLBundleBase(params)