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rocket-chip/src/main/scala/uncore/tilelink2/Edges.scala

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// See LICENSE.SiFive for license details.
package uncore.tilelink2
import Chisel._
import chisel3.internal.sourceinfo.SourceInfo
import diplomacy._
class TLEdge(
client: TLClientPortParameters,
manager: TLManagerPortParameters)
extends TLEdgeParameters(client, manager)
{
def isAligned(address: UInt, lgSize: UInt): Bool = {
if (maxLgSize == 0) Bool(true) else {
val mask = UIntToOH1(lgSize, maxLgSize)
(address & mask) === UInt(0)
}
}
def mask(address: UInt, lgSize: UInt): UInt =
maskGen(address, lgSize, manager.beatBytes)
def staticHasData(bundle: TLChannel): Option[Boolean] = {
bundle match {
case _:TLBundleA => {
// Do there exist A messages with Data?
val aDataYes = manager.anySupportArithmetic || manager.anySupportLogical || manager.anySupportPutFull || manager.anySupportPutPartial
// Do there exist A messages without Data?
val aDataNo = manager.anySupportAcquireB || manager.anySupportGet || manager.anySupportHint
// Statically optimize the case where hasData is a constant
if (!aDataYes) Some(false) else if (!aDataNo) Some(true) else None
}
case _:TLBundleB => {
// Do there exist B messages with Data?
val bDataYes = client.anySupportArithmetic || client.anySupportLogical || client.anySupportPutFull || client.anySupportPutPartial
// Do there exist B messages without Data?
val bDataNo = client.anySupportProbe || client.anySupportGet || client.anySupportHint
// Statically optimize the case where hasData is a constant
if (!bDataYes) Some(false) else if (!bDataNo) Some(true) else None
}
case _:TLBundleC => {
// Do there eixst C messages with Data?
val cDataYes = client.anySupportGet || client.anySupportArithmetic || client.anySupportLogical || client.anySupportProbe
// Do there exist C messages without Data?
val cDataNo = client.anySupportPutFull || client.anySupportPutPartial || client.anySupportHint || client.anySupportProbe
if (!cDataYes) Some(false) else if (!cDataNo) Some(true) else None
}
case _:TLBundleD => {
// Do there eixst D messages with Data?
val dDataYes = manager.anySupportGet || manager.anySupportArithmetic || manager.anySupportLogical || manager.anySupportAcquireB
// Do there exist D messages without Data?
val dDataNo = manager.anySupportPutFull || manager.anySupportPutPartial || manager.anySupportHint || manager.anySupportAcquireT
if (!dDataYes) Some(false) else if (!dDataNo) Some(true) else None
}
case _:TLBundleE => Some(false)
}
}
def isRequest(x: TLChannel): Bool = {
x match {
case a: TLBundleA => Bool(true)
case b: TLBundleB => Bool(true)
case c: TLBundleC => c.opcode(2) && c.opcode(1)
// opcode === TLMessages.Release ||
// opcode === TLMessages.ReleaseData
case d: TLBundleD => d.opcode(2) && !d.opcode(1)
// opcode === TLMessages.Grant ||
// opcode === TLMessages.GrantData
case e: TLBundleE => Bool(false)
}
}
def isResponse(x: TLChannel): Bool = {
x match {
case a: TLBundleA => Bool(false)
case b: TLBundleB => Bool(false)
case c: TLBundleC => !c.opcode(2) || !c.opcode(1)
// opcode =/= TLMessages.Release &&
// opcode =/= TLMessages.ReleaseData
case d: TLBundleD => Bool(true) // Grant isResponse + isRequest
case e: TLBundleE => Bool(true)
}
}
def hasData(x: TLChannel): Bool = {
val opdata = x match {
case a: TLBundleA => !a.opcode(2)
// opcode === TLMessages.PutFullData ||
// opcode === TLMessages.PutPartialData ||
// opcode === TLMessages.ArithmeticData ||
// opcode === TLMessages.LogicalData
case b: TLBundleB => !b.opcode(2)
// opcode === TLMessages.PutFullData ||
// opcode === TLMessages.PutPartialData ||
// opcode === TLMessages.ArithmeticData ||
// opcode === TLMessages.LogicalData
case c: TLBundleC => c.opcode(0)
// opcode === TLMessages.AccessAckData ||
// opcode === TLMessages.ProbeAckData ||
// opcode === TLMessages.ReleaseData
case d: TLBundleD => d.opcode(0)
// opcode === TLMessages.AccessAckData ||
// opcode === TLMessages.GrantData
case e: TLBundleE => Bool(false)
}
staticHasData(x).map(Bool(_)).getOrElse(opdata)
}
def opcode(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.opcode
case b: TLBundleB => b.opcode
case c: TLBundleC => c.opcode
case d: TLBundleD => d.opcode
}
}
def param(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.param
case b: TLBundleB => b.param
case c: TLBundleC => c.param
case d: TLBundleD => d.param
}
}
def size(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.size
case b: TLBundleB => b.size
case c: TLBundleC => c.size
case d: TLBundleD => d.size
}
}
def data(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.data
case b: TLBundleB => b.data
case c: TLBundleC => c.data
case d: TLBundleD => d.data
}
}
def mask(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.mask
case b: TLBundleB => b.mask
case c: TLBundleC => mask(c.address, c.size)
case d: TLBundleD => mask(d.addr_lo, d.size)
}
}
def full_mask(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => mask(a.address, a.size)
case b: TLBundleB => mask(b.address, b.size)
case c: TLBundleC => mask(c.address, c.size)
case d: TLBundleD => mask(d.addr_lo, d.size)
}
}
def address(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.address
case b: TLBundleB => b.address
case c: TLBundleC => c.address
case d: TLBundleD => d.addr_lo
}
}
def source(x: TLDataChannel): UInt = {
x match {
case a: TLBundleA => a.source
case b: TLBundleB => b.source
case c: TLBundleC => c.source
case d: TLBundleD => d.source
}
}
def addr_hi(x: UInt): UInt = x >> log2Ceil(manager.beatBytes)
def addr_lo(x: UInt): UInt =
if (manager.beatBytes == 1) UInt(0) else x(log2Ceil(manager.beatBytes)-1, 0)
def addr_hi(x: TLAddrChannel): UInt = addr_hi(address(x))
def addr_lo(x: TLDataChannel): UInt = addr_lo(address(x))
def numBeats(x: TLChannel): UInt = {
x match {
case _: TLBundleE => UInt(1)
case bundle: TLDataChannel => {
val hasData = this.hasData(bundle)
val size = this.size(bundle)
val cutoff = log2Ceil(manager.beatBytes)
val small = if (manager.maxTransfer <= manager.beatBytes) Bool(true) else size <= UInt(cutoff)
val decode = UIntToOH(size, maxLgSize+1) >> cutoff
Mux(hasData, decode | small.asUInt, UInt(1))
}
}
}
def numBeats1(x: TLChannel): UInt = {
x match {
case _: TLBundleE => UInt(0)
case bundle: TLDataChannel => {
if (maxLgSize == 0) {
UInt(0)
} else {
val decode = UIntToOH1(size(bundle), maxLgSize) >> log2Ceil(manager.beatBytes)
Mux(hasData(bundle), decode, UInt(0))
}
}
}
}
def firstlastHelper(bits: TLChannel, fire: Bool): (Bool, Bool, Bool, UInt) = {
val beats1 = numBeats1(bits)
val counter = RegInit(UInt(0, width = log2Up(maxTransfer / manager.beatBytes)))
val counter1 = counter - UInt(1)
val first = counter === UInt(0)
val last = counter === UInt(1) || beats1 === UInt(0)
val done = last && fire
val count = (beats1 & ~counter1)
when (fire) {
counter := Mux(first, beats1, counter1)
}
(first, last, done, count)
}
def first(bits: TLChannel, fire: Bool): Bool = firstlastHelper(bits, fire)._1
def first(x: DecoupledIO[TLChannel]): Bool = first(x.bits, x.fire())
def first(x: ValidIO[TLChannel]): Bool = first(x.bits, x.valid)
def last(bits: TLChannel, fire: Bool): Bool = firstlastHelper(bits, fire)._2
def last(x: DecoupledIO[TLChannel]): Bool = last(x.bits, x.fire())
def last(x: ValidIO[TLChannel]): Bool = last(x.bits, x.valid)
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def done(bits: TLChannel, fire: Bool): Bool = firstlastHelper(bits, fire)._3
def done(x: DecoupledIO[TLChannel]): Bool = done(x.bits, x.fire())
def done(x: ValidIO[TLChannel]): Bool = done(x.bits, x.valid)
def firstlast(bits: TLChannel, fire: Bool): (Bool, Bool, Bool) = {
val r = firstlastHelper(bits, fire)
(r._1, r._2, r._3)
}
def firstlast(x: DecoupledIO[TLChannel]): (Bool, Bool, Bool) = firstlast(x.bits, x.fire())
def firstlast(x: ValidIO[TLChannel]): (Bool, Bool, Bool) = firstlast(x.bits, x.valid)
def count(bits: TLChannel, fire: Bool): (Bool, Bool, Bool, UInt) = {
val r = firstlastHelper(bits, fire)
(r._1, r._2, r._3, r._4)
}
def count(x: DecoupledIO[TLChannel]): (Bool, Bool, Bool, UInt) = count(x.bits, x.fire())
def count(x: ValidIO[TLChannel]): (Bool, Bool, Bool, UInt) = count(x.bits, x.valid)
def addr_inc(bits: TLChannel, fire: Bool): (Bool, Bool, Bool, UInt) = {
val r = firstlastHelper(bits, fire)
(r._1, r._2, r._3, r._4 << log2Ceil(manager.beatBytes))
}
def addr_inc(x: DecoupledIO[TLChannel]): (Bool, Bool, Bool, UInt) = addr_inc(x.bits, x.fire())
def addr_inc(x: ValidIO[TLChannel]): (Bool, Bool, Bool, UInt) = addr_inc(x.bits, x.valid)
}
class TLEdgeOut(
client: TLClientPortParameters,
manager: TLManagerPortParameters)
extends TLEdge(client, manager)
{
// Transfers
def Acquire(fromSource: UInt, toAddress: UInt, lgSize: UInt, growPermissions: UInt) = {
require (manager.anySupportAcquireB)
val legal = manager.supportsAcquireBFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.Acquire
a.param := growPermissions
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask(toAddress, lgSize)
a.data := UInt(0)
(legal, a)
}
def Release(fromSource: UInt, toAddress: UInt, lgSize: UInt, shrinkPermissions: UInt) = {
require (manager.anySupportAcquireB)
val legal = manager.supportsAcquireBFast(toAddress, lgSize)
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.Release
c.param := shrinkPermissions
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := UInt(0)
c.error := Bool(false)
(legal, c)
}
def Release(fromSource: UInt, toAddress: UInt, lgSize: UInt, shrinkPermissions: UInt, data: UInt) = {
require (manager.anySupportAcquireB)
val legal = manager.supportsAcquireBFast(toAddress, lgSize)
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.ReleaseData
c.param := shrinkPermissions
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := data
c.error := Bool(false)
(legal, c)
}
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def ProbeAck(b: TLBundleB, reportPermissions: UInt): TLBundleC =
ProbeAck(b.source, b.address, b.size, reportPermissions)
def ProbeAck(fromSource: UInt, toAddress: UInt, lgSize: UInt, reportPermissions: UInt): TLBundleC = {
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.ProbeAck
c.param := reportPermissions
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := UInt(0)
c.error := Bool(false)
c
}
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def ProbeAck(b: TLBundleB, reportPermissions: UInt, data: UInt): TLBundleC =
ProbeAck(b.source, b.address, b.size, reportPermissions, data)
def ProbeAck(fromSource: UInt, toAddress: UInt, lgSize: UInt, reportPermissions: UInt, data: UInt): TLBundleC = {
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.ProbeAckData
c.param := reportPermissions
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := data
c.error := Bool(false)
c
}
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def GrantAck(d: TLBundleD): TLBundleE = GrantAck(d.sink)
def GrantAck(toSink: UInt): TLBundleE = {
val e = Wire(new TLBundleE(bundle))
e.sink := toSink
e
}
// Accesses
def Get(fromSource: UInt, toAddress: UInt, lgSize: UInt) = {
require (manager.anySupportGet)
val legal = manager.supportsGetFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.Get
a.param := UInt(0)
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask(toAddress, lgSize)
a.data := UInt(0)
(legal, a)
}
def Put(fromSource: UInt, toAddress: UInt, lgSize: UInt, data: UInt) = {
require (manager.anySupportPutFull)
val legal = manager.supportsPutFullFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.PutFullData
a.param := UInt(0)
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask(toAddress, lgSize)
a.data := data
(legal, a)
}
def Put(fromSource: UInt, toAddress: UInt, lgSize: UInt, data: UInt, mask : UInt) = {
require (manager.anySupportPutPartial)
val legal = manager.supportsPutPartialFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.PutPartialData
a.param := UInt(0)
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask
a.data := data
(legal, a)
}
def Arithmetic(fromSource: UInt, toAddress: UInt, lgSize: UInt, data: UInt, atomic: UInt) = {
require (manager.anySupportArithmetic)
val legal = manager.supportsArithmeticFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.ArithmeticData
a.param := atomic
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask(toAddress, lgSize)
a.data := data
(legal, a)
}
def Logical(fromSource: UInt, toAddress: UInt, lgSize: UInt, data: UInt, atomic: UInt) = {
require (manager.anySupportLogical)
val legal = manager.supportsLogicalFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.LogicalData
a.param := atomic
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask(toAddress, lgSize)
a.data := data
(legal, a)
}
def Hint(fromSource: UInt, toAddress: UInt, lgSize: UInt, param: UInt) = {
require (manager.anySupportHint)
val legal = manager.supportsHintFast(toAddress, lgSize)
val a = Wire(new TLBundleA(bundle))
a.opcode := TLMessages.Hint
a.param := param
a.size := lgSize
a.source := fromSource
a.address := toAddress
a.mask := mask(toAddress, lgSize)
a.data := UInt(0)
(legal, a)
}
def AccessAck(b: TLBundleB): TLBundleC = AccessAck(b.source, address(b), b.size)
def AccessAck(b: TLBundleB, error: Bool): TLBundleC = AccessAck(b.source, address(b), b.size, error)
def AccessAck(fromSource: UInt, toAddress: UInt, lgSize: UInt): TLBundleC = AccessAck(fromSource, toAddress, lgSize, Bool(false))
def AccessAck(fromSource: UInt, toAddress: UInt, lgSize: UInt, error: Bool) = {
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.AccessAck
c.param := UInt(0)
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := UInt(0)
c.error := error
c
}
def AccessAck(b: TLBundleB, data: UInt): TLBundleC = AccessAck(b.source, address(b), b.size, data)
def AccessAck(b: TLBundleB, data: UInt, error: Bool): TLBundleC = AccessAck(b.source, address(b), b.size, data, error)
def AccessAck(fromSource: UInt, toAddress: UInt, lgSize: UInt, data: UInt): TLBundleC = AccessAck(fromSource, toAddress, lgSize, data, Bool(false))
def AccessAck(fromSource: UInt, toAddress: UInt, lgSize: UInt, data: UInt, error: Bool) = {
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.AccessAckData
c.param := UInt(0)
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := data
c.error := error
c
}
def HintAck(b: TLBundleB): TLBundleC = HintAck(b.source, address(b), b.size)
def HintAck(fromSource: UInt, toAddress: UInt, lgSize: UInt) = {
val c = Wire(new TLBundleC(bundle))
c.opcode := TLMessages.HintAck
c.param := UInt(0)
c.size := lgSize
c.source := fromSource
c.address := toAddress
c.data := UInt(0)
c.error := Bool(false)
c
}
}
class TLEdgeIn(
client: TLClientPortParameters,
manager: TLManagerPortParameters)
extends TLEdge(client, manager)
{
// Transfers
def Probe(fromAddress: UInt, toSource: UInt, lgSize: UInt, capPermissions: UInt) = {
require (client.anySupportProbe)
val legal = client.supportsProbe(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.Probe
b.param := capPermissions
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask(fromAddress, lgSize)
b.data := UInt(0)
(legal, b)
}
def Grant(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, capPermissions: UInt): TLBundleD = Grant(fromAddress, fromSink, toSource, lgSize, capPermissions, Bool(false))
def Grant(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, capPermissions: UInt, error: Bool) = {
val d = Wire(new TLBundleD(bundle))
d.opcode := TLMessages.Grant
d.param := capPermissions
d.size := lgSize
d.source := toSource
d.sink := fromSink
d.addr_lo := addr_lo(fromAddress)
d.data := UInt(0)
d.error := error
d
}
def Grant(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, capPermissions: UInt, data: UInt): TLBundleD = Grant(fromAddress, fromSink, toSource, lgSize, capPermissions, data, Bool(false))
def Grant(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, capPermissions: UInt, data: UInt, error: Bool) = {
val d = Wire(new TLBundleD(bundle))
d.opcode := TLMessages.GrantData
d.param := capPermissions
d.size := lgSize
d.source := toSource
d.sink := fromSink
d.addr_lo := addr_lo(fromAddress)
d.data := data
d.error := error
d
}
def ReleaseAck(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt) = {
val d = Wire(new TLBundleD(bundle))
d.opcode := TLMessages.ReleaseAck
d.param := UInt(0)
d.size := lgSize
d.source := toSource
d.sink := fromSink
d.addr_lo := addr_lo(fromAddress)
d.data := UInt(0)
d.error := Bool(false)
d
}
// Accesses
def Get(fromAddress: UInt, toSource: UInt, lgSize: UInt) = {
require (client.anySupportGet)
val legal = client.supportsGet(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.Get
b.param := UInt(0)
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask(fromAddress, lgSize)
b.data := UInt(0)
(legal, b)
}
def Put(fromAddress: UInt, toSource: UInt, lgSize: UInt, data: UInt) = {
require (client.anySupportPutFull)
val legal = client.supportsPutFull(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.PutFullData
b.param := UInt(0)
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask(fromAddress, lgSize)
b.data := data
(legal, b)
}
def Put(fromAddress: UInt, toSource: UInt, lgSize: UInt, data: UInt, mask : UInt) = {
require (client.anySupportPutPartial)
val legal = client.supportsPutPartial(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.PutPartialData
b.param := UInt(0)
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask
b.data := data
(legal, b)
}
def Arithmetic(fromAddress: UInt, toSource: UInt, lgSize: UInt, data: UInt, atomic: UInt) = {
require (client.anySupportArithmetic)
val legal = client.supportsArithmetic(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.ArithmeticData
b.param := atomic
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask(fromAddress, lgSize)
b.data := data
(legal, b)
}
def Logical(fromAddress: UInt, toSource: UInt, lgSize: UInt, data: UInt, atomic: UInt) = {
require (client.anySupportLogical)
val legal = client.supportsLogical(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.LogicalData
b.param := atomic
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask(fromAddress, lgSize)
b.data := data
(legal, b)
}
def Hint(fromAddress: UInt, toSource: UInt, lgSize: UInt, param: UInt) = {
require (client.anySupportHint)
val legal = client.supportsHint(toSource, lgSize)
val b = Wire(new TLBundleB(bundle))
b.opcode := TLMessages.Hint
b.param := param
b.size := lgSize
b.source := toSource
b.address := fromAddress
b.mask := mask(fromAddress, lgSize)
b.data := UInt(0)
(legal, b)
}
def AccessAck(a: TLBundleA, fromSink: UInt): TLBundleD = AccessAck(address(a), fromSink, a.source, a.size)
def AccessAck(a: TLBundleA, fromSink: UInt, error: Bool): TLBundleD = AccessAck(address(a), fromSink, a.source, a.size, error)
def AccessAck(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt): TLBundleD = AccessAck(fromAddress, fromSink, toSource, lgSize, Bool(false))
def AccessAck(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, error: Bool) = {
val d = Wire(new TLBundleD(bundle))
d.opcode := TLMessages.AccessAck
d.param := UInt(0)
d.size := lgSize
d.source := toSource
d.sink := fromSink
d.addr_lo := addr_lo(fromAddress)
d.data := UInt(0)
d.error := error
d
}
def AccessAck(a: TLBundleA, fromSink: UInt, data: UInt): TLBundleD = AccessAck(address(a), fromSink, a.source, a.size, data)
def AccessAck(a: TLBundleA, fromSink: UInt, data: UInt, error: Bool): TLBundleD = AccessAck(address(a), fromSink, a.source, a.size, data, error)
def AccessAck(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, data: UInt): TLBundleD = AccessAck(fromAddress, fromSink, toSource, lgSize, data, Bool(false))
def AccessAck(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt, data: UInt, error: Bool) = {
val d = Wire(new TLBundleD(bundle))
d.opcode := TLMessages.AccessAckData
d.param := UInt(0)
d.size := lgSize
d.source := toSource
d.sink := fromSink
d.addr_lo := addr_lo(fromAddress)
d.data := data
d.error := error
d
}
def HintAck(a: TLBundleA, fromSink: UInt): TLBundleD = HintAck(address(a), fromSink, a.source, a.size)
def HintAck(fromAddress: UInt, fromSink: UInt, toSource: UInt, lgSize: UInt) = {
val d = Wire(new TLBundleD(bundle))
d.opcode := TLMessages.HintAck
d.param := UInt(0)
d.size := lgSize
d.source := toSource
d.sink := fromSink
d.addr_lo := addr_lo(fromAddress)
d.data := UInt(0)
d.error := Bool(false)
d
}
}