riscv/rocket-chip
1
0
Fork 0
Code Releases Activity

TLBuffer: move TLBufferParams to diplomacy.BufferParams

Browse Source
This commit is contained in:
Wesley W. Terpstra
2017-03-16 15:19:36 -07:00
parent 778c8a5c97
commit ca2c709d29
5 changed files with 41 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
src/main/scala/uncore/tilelink2/Buffer.scala
View File

@ -8,33 +8,16 @@ import config._
import diplomacy._
import scala.math.{min,max}
case class TLBufferParams(depth: Int, flow: Boolean, pipe: Boolean)
{
require (depth >= 0)
def isDefined = depth > 0
def latency = if (isDefined && !flow) 1 else 0
}
object TLBufferParams
{
implicit def apply(depth: Int): TLBufferParams = TLBufferParams(depth, false, false)
val default = TLBufferParams(2)
val none = TLBufferParams(0)
val flow = TLBufferParams(1, true, false)
val pipe = TLBufferParams(1, false, true)
}
class TLBuffer(
a: TLBufferParams,
b: TLBufferParams,
c: TLBufferParams,
d: TLBufferParams,
e: TLBufferParams)(implicit p: Parameters) extends LazyModule
a: BufferParams,
b: BufferParams,
c: BufferParams,
d: BufferParams,
e: BufferParams)(implicit p: Parameters) extends LazyModule
{
def this(ace: TLBufferParams, bd: TLBufferParams)(implicit p: Parameters) = this(ace, bd, ace, bd, ace)
def this(abcde: TLBufferParams)(implicit p: Parameters) = this(abcde, abcde)
def this()(implicit p: Parameters) = this(TLBufferParams.default)
def this(ace: BufferParams, bd: BufferParams)(implicit p: Parameters) = this(ace, bd, ace, bd, ace)
def this(abcde: BufferParams)(implicit p: Parameters) = this(abcde, abcde)
def this()(implicit p: Parameters) = this(BufferParams.default)
val node = TLAdapterNode(
clientFn = { p => p.copy(minLatency = p.minLatency + b.latency + c.latency) },
@ -46,7 +29,7 @@ class TLBuffer(
val out = node.bundleOut
}
def buffer[T <: Data](config: TLBufferParams, data: DecoupledIO[T]): DecoupledIO[T] = {
def buffer[T <: Data](config: BufferParams, data: DecoupledIO[T]): DecoupledIO[T] = {
if (config.isDefined) {
Queue(data, config.depth, pipe=config.pipe, flow=config.flow)
} else {
@ -77,15 +60,15 @@ class TLBuffer(
object TLBuffer
{
// applied to the TL source node; y.node := TLBuffer(x.node)
def apply() (x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = apply(TLBufferParams.default)(x)
def apply(abcde: TLBufferParams) (x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = apply(abcde, abcde)(x)
def apply(ace: TLBufferParams, bd: TLBufferParams)(x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = apply(ace, bd, ace, bd, ace)(x)
def apply() (x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = apply(BufferParams.default)(x)
def apply(abcde: BufferParams) (x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = apply(abcde, abcde)(x)
def apply(ace: BufferParams, bd: BufferParams)(x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = apply(ace, bd, ace, bd, ace)(x)
def apply(
a: TLBufferParams,
b: TLBufferParams,
c: TLBufferParams,
d: TLBufferParams,
e: TLBufferParams)(x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = {
a: BufferParams,
b: BufferParams,
c: BufferParams,
d: BufferParams,
e: BufferParams)(x: TLOutwardNode)(implicit p: Parameters, sourceInfo: SourceInfo): TLOutwardNode = {
val buffer = LazyModule(new TLBuffer(a, b, c, d, e))
buffer.node := x
buffer.node