117 lines
4.8 KiB
Scala
117 lines
4.8 KiB
Scala
package Top
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import Chisel._
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import Node._
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import Constants._
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import Instructions._
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class ioCtrlDpathVec extends Bundle
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{
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val valid = Bool(INPUT)
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val inst = Bits(32, INPUT)
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val appvl0 = Bool(INPUT)
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val wen = Bool(OUTPUT)
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val fn = Bits(1, OUTPUT)
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val sel_vcmd = Bits(3, OUTPUT)
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val sel_vimm = Bits(1, OUTPUT)
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}
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class ioCtrlVecInterface extends Bundle
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{
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val vcmdq_valid = Bool(OUTPUT)
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val vcmdq_ready = Bool(INPUT)
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val vximm1q_valid = Bool(OUTPUT)
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val vximm1q_ready = Bool(INPUT)
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val vximm2q_valid = Bool(OUTPUT)
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val vximm2q_ready = Bool(INPUT)
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val vackq_valid = Bool(INPUT)
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val vackq_ready = Bool(OUTPUT)
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}
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class ioCtrlVec extends Bundle
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{
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val dpath = new ioCtrlDpathVec()
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val iface = new ioCtrlVecInterface()
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val sr_ev = Bool(INPUT)
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val replay = Bool(OUTPUT)
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}
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class rocketCtrlVec extends Component
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{
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val io = new ioCtrlVec()
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val veccs =
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ListLookup(io.dpath.inst,
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// appvlmask
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// | vcmdq
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// wen | | vximm1q
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// val vcmd vimm | fn | | | vximm2q
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// | | | | | | | | |
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List(N,VCMD_X, VIMM_X, N,VEC_X ,N,N,N,N),Array(
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VVCFGIVL-> List(Y,VCMD_I, VIMM_VLEN,Y,VEC_CFG,N,Y,Y,N),
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VSETVL-> List(Y,VCMD_I, VIMM_VLEN,Y,VEC_VL ,N,Y,Y,N),
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VF-> List(Y,VCMD_I, VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VMVV-> List(Y,VCMD_TX,VIMM_X, N,VEC_X ,Y,Y,N,N),
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VMSV-> List(Y,VCMD_TX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VFMVV-> List(Y,VCMD_TF,VIMM_X, N,VEC_X ,Y,Y,N,N),
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FENCE_L_V-> List(Y,VCMD_F, VIMM_X, N,VEC_X ,N,Y,N,N),
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FENCE_G_V-> List(Y,VCMD_F, VIMM_X, N,VEC_X ,N,Y,N,N),
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FENCE_L_CV->List(Y,VCMD_F, VIMM_X, N,VEC_X ,N,Y,N,N),
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FENCE_G_CV->List(Y,VCMD_F, VIMM_X, N,VEC_X ,N,Y,N,N),
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VLD-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLW-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLWU-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLH-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLHU-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLB-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLBU-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VSD-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VSW-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VSH-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VSB-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VFLD-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VFLW-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VFSD-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VFSW-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,N),
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VLSTD-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VLSTW-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VLSTWU-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VLSTH-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VLSTHU-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VLSTB-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VLSTBU-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VSSTD-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VSSTW-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VSSTH-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VSSTB-> List(Y,VCMD_MX,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VFLSTD-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VFLSTW-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VFSSTD-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y),
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VFSSTW-> List(Y,VCMD_MF,VIMM_ALU, N,VEC_X ,Y,Y,Y,Y)
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))
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val wb_vec_val :: wb_sel_vcmd :: wb_sel_vimm :: wb_vec_wen :: wb_vec_fn :: wb_vec_appvlmask :: veccs0 = veccs
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val wb_vec_cmdq_enq :: wb_vec_ximm1q_enq :: wb_vec_ximm2q_enq :: Nil = veccs0
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val valid_common = io.dpath.valid && io.sr_ev && wb_vec_val.toBool && !(wb_vec_appvlmask.toBool && io.dpath.appvl0)
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val mask_wb_vec_cmdq_ready = !wb_vec_cmdq_enq || io.iface.vcmdq_ready
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val mask_wb_vec_ximm1q_ready = !wb_vec_ximm1q_enq || io.iface.vximm1q_ready
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val mask_wb_vec_ximm2q_ready = !wb_vec_ximm2q_enq || io.iface.vximm2q_ready
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io.dpath.wen := wb_vec_wen.toBool
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io.dpath.fn := wb_vec_fn
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io.dpath.sel_vcmd := wb_sel_vcmd
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io.dpath.sel_vimm := wb_sel_vimm
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io.iface.vcmdq_valid := valid_common && wb_vec_cmdq_enq && mask_wb_vec_ximm1q_ready && mask_wb_vec_ximm2q_ready
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io.iface.vximm1q_valid := valid_common && mask_wb_vec_cmdq_ready && wb_vec_ximm1q_enq && mask_wb_vec_ximm2q_ready
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io.iface.vximm2q_valid := valid_common && mask_wb_vec_cmdq_ready && mask_wb_vec_ximm1q_ready && wb_vec_ximm2q_enq
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io.replay := valid_common && (
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wb_vec_cmdq_enq && !io.iface.vcmdq_ready ||
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wb_vec_ximm1q_enq && !io.iface.vximm1q_ready ||
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wb_vec_ximm2q_enq && !io.iface.vximm2q_ready
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)
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}
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