riscv/rocket-chip
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expand HTIF's PCR register space

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This commit is contained in:
Andrew Waterman
2012-07-26 03:28:07 -07:00
parent 7778802395
commit 130fa95ed6
2 changed files with 3 additions and 4 deletions
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3
rocket/src/main/scala/dpath_util.scala
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@ -121,7 +121,7 @@ class rocketDpathPCR extends Component
val rdata = Bits();
val raddr = Mux(io.r.en, io.r.addr, io.host.pcr_req.bits.addr)
val raddr = Mux(io.r.en, io.r.addr, io.host.pcr_req.bits.addr(4,0))
io.host.pcr_rep.valid := io.host.pcr_req.valid && !io.r.en && !io.host.pcr_req.bits.rw
io.host.pcr_rep.bits := rdata
@ -200,7 +200,6 @@ class rocketDpathPCR extends Component
when (waddr === PCR_COREID) { reg_coreid := wdata(15,0) }
when (waddr === PCR_FROMHOST) { reg_fromhost := wdata; reg_tohost := Bits(0) }
when (waddr === PCR_TOHOST) { reg_tohost := wdata; reg_fromhost := Bits(0) }
when (waddr === PCR_SEND_IPI) { io.host.ipi.valid := Bool(true) }
when (waddr === PCR_CLR_IPI) { r_irq_ipi := wdata(0) }
when (waddr === PCR_K0) { reg_k0 := wdata; }
when (waddr === PCR_K1) { reg_k1 := wdata; }