riscv/rocket-chip
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Deanonymize CSRFile's IO bundle

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This commit is contained in:
Andrew Waterman 2014-05-09 19:26:43 -07:00
parent fd5f419eb1
commit 94c1f01ec6
1 changed files with 28 additions and 26 deletions
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54
rocket/src/main/scala/csr.scala
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@ -33,34 +33,36 @@ object CSR
val C = Bits(3,2)
}
class CSRFileIO(implicit conf: RocketConfiguration) extends Bundle {
val host = new HTIFIO(conf.tl.ln.nClients)
val rw = new Bundle {
val addr = UInt(INPUT, 12)
val cmd = Bits(INPUT, CSR.SZ)
val rdata = Bits(OUTPUT, conf.xprlen)
val wdata = Bits(INPUT, conf.xprlen)
}
val status = new Status().asOutput
val ptbr = UInt(OUTPUT, conf.as.paddrBits)
val evec = UInt(OUTPUT, conf.as.vaddrBits+1)
val exception = Bool(INPUT)
val retire = UInt(INPUT, log2Up(1+conf.retireWidth))
val uarch_counters = Vec.fill(16)(UInt(INPUT, log2Up(1+conf.retireWidth)))
val cause = UInt(INPUT, conf.xprlen)
val badvaddr_wen = Bool(INPUT)
val pc = UInt(INPUT, conf.as.vaddrBits+1)
val sret = Bool(INPUT)
val fatc = Bool(OUTPUT)
val replay = Bool(OUTPUT)
val time = UInt(OUTPUT, conf.xprlen)
val fcsr_rm = Bits(OUTPUT, FPConstants.RM_SZ)
val fcsr_flags = Valid(Bits(width = FPConstants.FLAGS_SZ)).flip
val rocc = new RoCCInterface().flip
}
class CSRFile(implicit conf: RocketConfiguration) extends Module
{
val io = new Bundle {
val host = new HTIFIO(conf.tl.ln.nClients)
val rw = new Bundle {
val addr = UInt(INPUT, 12)
val cmd = Bits(INPUT, CSR.SZ)
val rdata = Bits(OUTPUT, conf.xprlen)
val wdata = Bits(INPUT, conf.xprlen)
}
val status = new Status().asOutput
val ptbr = UInt(OUTPUT, conf.as.paddrBits)
val evec = UInt(OUTPUT, conf.as.vaddrBits+1)
val exception = Bool(INPUT)
val retire = UInt(INPUT, log2Up(1+conf.retireWidth))
val uarch_counters = Vec.fill(16)(UInt(INPUT, log2Up(1+conf.retireWidth)))
val cause = UInt(INPUT, conf.xprlen)
val badvaddr_wen = Bool(INPUT)
val pc = UInt(INPUT, conf.as.vaddrBits+1)
val sret = Bool(INPUT)
val fatc = Bool(OUTPUT)
val replay = Bool(OUTPUT)
val time = UInt(OUTPUT, conf.xprlen)
val fcsr_rm = Bits(OUTPUT, FPConstants.RM_SZ)
val fcsr_flags = Valid(Bits(width = FPConstants.FLAGS_SZ)).flip
val rocc = new RoCCInterface().flip
}
val io = new CSRFileIO
val reg_epc = Reg(Bits(width = conf.as.vaddrBits+1))
val reg_badvaddr = Reg(Bits(width = conf.as.vaddrBits))