riscv/rocket-chip
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datapath to read out vector state

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This commit is contained in:
Yunsup Lee
2012-03-13 22:21:26 -07:00
parent 5655dbd5da
commit b100544b25
3 changed files with 19 additions and 2 deletions
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4
rocket/src/main/scala/dpath_util.scala
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@ -80,6 +80,9 @@ class ioDpathPCR extends Bundle()
val vecbank = Bits(8, OUTPUT)
val vecbankcnt = UFix(4, OUTPUT)
val vechold = Bool(OUTPUT)
val vec_appvl = UFix(12, INPUT)
val vec_nxregs = UFix(6, INPUT)
val vec_nfregs = UFix(6, INPUT)
}
class rocketDpathPCR extends Component
@ -229,6 +232,7 @@ class rocketDpathPCR extends Component
is (PCR_K1) { rdata := reg_k1; }
is (PCR_PTBR) { rdata := Cat(Bits(0,64-PADDR_BITS), reg_ptbr); }
is (PCR_VECBANK) { rdata := Cat(Bits(0, 56), reg_vecbank) }
is (PCR_VECCFG) { rdata := Cat(Bits(0, 40), io.vec_nfregs, io.vec_nxregs, io.vec_appvl) }
}
}
}