fixes for correct verilog generation
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1028ff7d9b
commit
f9160c53cf
@ -141,10 +141,10 @@ class MSHR(id: Int) extends Component {
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val req_sec_rdy = Bool('output)
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val req_ppn = Bits(PPN_BITS, 'input)
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val req_idx = Bits(IDX_BITS, 'input)
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val req_offset = Bits(width = OFFSET_BITS)
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val req_cmd = Bits(width = 4)
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val req_type = Bits(width = 3)
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val req_sdq_id = UFix(width = log2up(NSDQ))
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val req_offset = Bits(OFFSET_BITS, 'input)
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val req_cmd = Bits(4, 'input)
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val req_type = Bits(3, 'input)
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val req_sdq_id = UFix(log2up(NSDQ), 'input)
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val req_tag = Bits(DCACHE_TAG_BITS, 'input)
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val idx_match = Bool('output)
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@ -343,7 +343,7 @@ class ReplayUnit extends Component {
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val sdq_addr = Mux(sdq_ren_retry, rp.sdq_id, Mux(sdq_ren_new, io.replay.bits.sdq_id, sdq_alloc_id))
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val sdq = Mem4(NSDQ, io.sdq_enq.bits)
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sdq.setReadLatency(0)
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sdq.setReadLatency(SRAM_READ_LATENCY)
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// sdq.setTarget('inst)
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val sdq_dout = sdq.rw(sdq_addr, io.sdq_enq.bits, sdq_wen, cs = sdq_ren || sdq_wen)
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@ -458,21 +458,25 @@ class MetaDataArray(lines: Int) extends Component {
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}
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val vd_array = Mem4(lines, Bits(width = 2))
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vd_array.setReadLatency(0)
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vd_array.setReadLatency(SRAM_READ_LATENCY)
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val vd_wdata2 = Cat(io.state_req.bits.data.valid, io.state_req.bits.data.dirty)
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vd_array.write(io.state_req.bits.idx, vd_wdata2, io.state_req.valid && io.state_req.bits.rw)
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val vd_wdata1 = Cat(io.req.bits.data.valid, io.req.bits.data.dirty)
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val vd_rdata1 = vd_array.rw(io.req.bits.idx, vd_wdata1, io.req.valid && io.req.bits.rw)
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// don't allow reading and writing of vd_array in same cycle.
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// this could be eliminated if the read port were combinational.
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val vd_conflict = io.state_req.valid && (io.req.bits.idx === io.state_req.bits.idx)
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val tag_array = Mem4(lines, io.resp.tag)
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tag_array.setReadLatency(0)
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tag_array.setReadLatency(SRAM_READ_LATENCY)
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// tag_array.setTarget('inst)
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val tag_rdata = tag_array.rw(io.req.bits.idx, io.req.bits.data.tag, io.req.valid && io.req.bits.rw, cs = io.req.valid)
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io.resp.valid := vd_rdata1(1).toBool
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io.resp.dirty := vd_rdata1(0).toBool
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io.resp.tag := tag_rdata
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io.req.ready := Bool(true)
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io.req.ready := !vd_conflict
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}
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class DataArray(lines: Int) extends Component {
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@ -484,7 +488,7 @@ class DataArray(lines: Int) extends Component {
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val wmask = FillInterleaved(8, io.req.bits.wmask)
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val array = Mem4(lines*REFILL_CYCLES, io.resp)
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array.setReadLatency(0)
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array.setReadLatency(SRAM_READ_LATENCY)
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// array.setTarget('inst)
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val addr = Cat(io.req.bits.idx, io.req.bits.offset)
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val rdata = array.rw(addr, io.req.bits.data, io.req.valid && io.req.bits.rw, wmask, cs = io.req.valid)
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