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rocket-chip/rocket/src/main/scala/tile.scala

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1.4 KiB
Scala
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package rocket
import Chisel._
import Node._
import Constants._
class Tile extends Component
{
val io = new Bundle {
val tilelink = new ioTileLink
val host = new ioHTIF
}
val cpu = new rocketProc(resetSignal = io.host.reset)
val icache = new rocketICache(128, 4) // 128 sets x 4 ways (32KB)
val icache_pf = new rocketIPrefetcher
val dcache = new HellaCacheUniproc
val arbiter = new rocketMemArbiter(2 + (if (HAVE_VEC) 1 else 0))
arbiter.io.requestor(0) <> dcache.io.mem
arbiter.io.requestor(1) <> icache_pf.io.mem
io.tilelink.xact_init <> Queue(arbiter.io.mem.xact_init)
io.tilelink.xact_init_data <> Queue(dcache.io.mem.xact_init_data)
arbiter.io.mem.xact_abort <> Queue(io.tilelink.xact_abort)
arbiter.io.mem.xact_rep <> Pipe(io.tilelink.xact_rep)
io.tilelink.xact_finish <> Queue(arbiter.io.mem.xact_finish)
dcache.io.mem.probe_req <> Queue(io.tilelink.probe_req)
io.tilelink.probe_rep <> Queue(dcache.io.mem.probe_rep, 1)
io.tilelink.probe_rep_data <> Queue(dcache.io.mem.probe_rep_data)
if (HAVE_VEC)
{
val vicache = new rocketICache(128, 1) // 128 sets x 1 ways (8KB)
arbiter.io.requestor(2) <> vicache.io.mem
cpu.io.vimem <> vicache.io.cpu
}
cpu.io.host <> io.host
icache_pf.io.invalidate := cpu.io.imem.invalidate
icache.io.mem <> icache_pf.io.icache
cpu.io.imem <> icache.io.cpu
cpu.io.dmem <> dcache.io.cpu
}