1
0
rocket-chip/rocket/src/main/scala/consts.scala
2016-03-02 23:29:58 -08:00

50 lines
989 B
Scala

// See LICENSE for license details.
package rocket
package constants
import Chisel._
import scala.math._
trait ScalarOpConstants {
val SZ_BR = 3
val BR_X = BitPat("b???")
val BR_EQ = UInt(0, 3)
val BR_NE = UInt(1, 3)
val BR_J = UInt(2, 3)
val BR_N = UInt(3, 3)
val BR_LT = UInt(4, 3)
val BR_GE = UInt(5, 3)
val BR_LTU = UInt(6, 3)
val BR_GEU = UInt(7, 3)
val A1_X = BitPat("b??")
val A1_ZERO = UInt(0, 2)
val A1_RS1 = UInt(1, 2)
val A1_PC = UInt(2, 2)
val IMM_X = BitPat("b???")
val IMM_S = UInt(0, 3)
val IMM_SB = UInt(1, 3)
val IMM_U = UInt(2, 3)
val IMM_UJ = UInt(3, 3)
val IMM_I = UInt(4, 3)
val IMM_Z = UInt(5, 3)
val A2_X = BitPat("b??")
val A2_ZERO = UInt(0, 2)
val A2_FOUR = UInt(1, 2)
val A2_RS2 = UInt(2, 2)
val A2_IMM = UInt(3, 2)
val X = BitPat("b?")
val N = BitPat("b0")
val Y = BitPat("b1")
val SZ_DW = 1
val DW_X = X
val DW_32 = N
val DW_64 = Y
val DW_XPR = Y
}