riscv/rocket-chip
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provide cmd/addr with cache response

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This commit is contained in:
Andrew Waterman 2012-11-16 21:26:12 -08:00
parent cb8ac73045
commit dad7b71062
1 changed files with 3 additions and 2 deletions
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rocket/src/main/scala/nbdcache.scala
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@ -666,6 +666,8 @@ class HellaCacheResp(implicit conf: DCacheConfig) extends Bundle {
val data = Bits(width = conf.databits) val data = Bits(width = conf.databits)
val data_subword = Bits(width = conf.databits) val data_subword = Bits(width = conf.databits)
val tag = Bits(width = conf.reqtagbits) val tag = Bits(width = conf.reqtagbits)
val cmd = Bits(width = 4)
val addr = UFix(width = conf.ppnbits.max(conf.vpnbits+1) + conf.pgidxbits)
val store_data = Bits(width = conf.databits) val store_data = Bits(width = conf.databits)
override def clone = new HellaCacheResp().asInstanceOf[this.type] override def clone = new HellaCacheResp().asInstanceOf[this.type]
@ -926,9 +928,8 @@ class HellaCache(implicit conf: DCacheConfig) extends Component {
val s2_read = isRead(s2_req.cmd) val s2_read = isRead(s2_req.cmd)
io.cpu.resp.valid := s2_read && (s2_replay || s2_valid_masked && s2_hit) io.cpu.resp.valid := s2_read && (s2_replay || s2_valid_masked && s2_hit)
io.cpu.resp.bits.nack := s2_valid && s2_nack io.cpu.resp.bits.nack := s2_valid && s2_nack
io.cpu.resp.bits := s2_req
io.cpu.resp.bits.replay := s2_replay && s2_read io.cpu.resp.bits.replay := s2_replay && s2_read
io.cpu.resp.bits.tag := s2_req.tag
io.cpu.resp.bits.typ := s2_req.typ
io.cpu.resp.bits.data := loadgen.word io.cpu.resp.bits.data := loadgen.word
io.cpu.resp.bits.data_subword := loadgen.byte io.cpu.resp.bits.data_subword := loadgen.byte
io.cpu.resp.bits.store_data := s2_req.data io.cpu.resp.bits.store_data := s2_req.data