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use Put/Get/PutBlock/GetBlock constructors in broadcast hub

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This commit is contained in:
Howard Mao 2015-09-10 17:52:12 -07:00
parent ae3d96013a
commit 6ee6ea4f1e
1 changed files with 34 additions and 24 deletions
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58
uncore/src/main/scala/broadcast.scala
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@ -255,32 +255,42 @@ class BroadcastAcquireTracker(trackerId: Int) extends BroadcastXactTracker {
!io.irel().isVoluntary() &&
(state === s_probe)
val oacq_type = MuxLookup(state, Acquire.getBlockType, Seq(
(s_probe, Acquire.putBlockType),
(s_mem_write, Mux(subblock_type, Acquire.putType, Acquire.putBlockType)),
(s_mem_read, Mux(subblock_type, Acquire.getType, Acquire.getBlockType))))
val oacq_beat = MuxLookup(state, UInt(0), Seq(
(s_probe, io.irel().addr_beat),
(s_mem_write, Mux(subblock_type, xact.addr_beat, oacq_data_cnt)),
(s_mem_read, Mux(subblock_type, xact.addr_beat, UInt(0)))))
val oacq_data = MuxLookup(state, Bits(0), Seq(
(s_probe, io.irel().data),
(s_mem_write, Mux(subblock_type,
data_buffer(0), data_buffer(oacq_data_cnt)))))
val oacq_union = MuxLookup(state, Bits(0), Seq(
(s_probe, Acquire.fullWriteMask),
(s_mem_write, xact.wmask()),
(s_mem_read, Cat(xact.addr_byte(), xact.op_size(), M_XRD))))
io.outer.acquire.valid := Bool(false)
io.outer.acquire.bits := Bundle(Acquire(
is_builtin_type = Bool(true),
a_type = oacq_type,
val oacq_probe = PutBlock(
client_xact_id = UInt(trackerId),
addr_block = xact.addr_block,
addr_beat = oacq_beat,
data = oacq_data,
union = Cat(oacq_union, Bool(true))))(outerTLParams)
addr_beat = io.irel().addr_beat,
data = io.irel().data)
val oacq_write_beat = Put(
client_xact_id = UInt(trackerId),
addr_block = xact.addr_block,
addr_beat = xact.addr_beat,
data = data_buffer(0),
wmask = xact.wmask())
val oacq_write_block = PutBlock(
client_xact_id = UInt(trackerId),
addr_block = xact.addr_block,
addr_beat = oacq_data_cnt,
data = data_buffer(oacq_data_cnt))
val oacq_read_beat = Get(
client_xact_id = UInt(trackerId),
addr_block = xact.addr_block,
addr_beat = xact.addr_beat,
addr_byte = xact.addr_byte(),
operand_size = xact.op_size(),
alloc = Bool(false))
val oacq_read_block = GetBlock(
client_xact_id = UInt(trackerId),
addr_block = xact.addr_block)
io.outer.acquire.valid := Bool(false)
io.outer.acquire.bits := Mux(state === s_probe, oacq_probe,
Mux(state === s_mem_write,
Mux(subblock_type, oacq_write_beat, oacq_write_block),
Mux(subblock_type, oacq_read_beat, oacq_read_block)))
io.outer.grant.ready := Bool(false)
io.inner.probe.valid := Bool(false)