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Quasar 2.0 Final

This commit is contained in:
Laraib Khan 2021-04-09 12:08:02 +05:00 committed by GitHub
parent 991a3b3ae9
commit 460aadc39f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
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8
design/src/main/scala/ifu/ifu_bp_ctl.scala
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@ -447,8 +447,8 @@ class ifu_bp_ctl extends Module with lib with RequireAsyncReset {
val ifc_fetch_addr_p1_f = io.ifc_fetch_addr_f(FA_CMP_LOWER-1,1) + 1.U
val fetch_mp_collision_f = ((io.exu_bp.exu_mp_btag(BTB_BTAG_SIZE-1,0) === io.ifc_fetch_addr_f) & exu_mp_valid & io.ifc_fetch_req_f & ~io.exu_bp.exu_mp_pkt.bits.way)
val fetch_mp_collision_p1_f = ( (io.exu_bp.exu_mp_btag(BTB_BTAG_SIZE-1,0) === Cat(io.ifc_fetch_addr_f(30,FA_CMP_LOWER), ifc_fetch_addr_p1_f(FA_CMP_LOWER-1,1))) & exu_mp_valid & io.ifc_fetch_req_f & ~io.exu_bp.exu_mp_pkt.bits.way)
fetch_mp_collision_f := ((io.exu_bp.exu_mp_btag(BTB_BTAG_SIZE-1,0) === io.ifc_fetch_addr_f) & exu_mp_valid & io.ifc_fetch_req_f & ~io.exu_bp.exu_mp_pkt.bits.way)
fetch_mp_collision_p1_f := ( (io.exu_bp.exu_mp_btag(BTB_BTAG_SIZE-1,0) === Cat(io.ifc_fetch_addr_f(30,FA_CMP_LOWER), ifc_fetch_addr_p1_f(FA_CMP_LOWER-1,1))) & exu_mp_valid & io.ifc_fetch_req_f & ~io.exu_bp.exu_mp_pkt.bits.way)
val btb_upper_hit = Wire(Vec(BTB_SIZE,Bool()))
val btb_offset_0 = WireInit(UInt(BTB_SIZE.W) ,init = 0.U)
val btb_used = WireInit(UInt(BTB_SIZE.W) ,init = 0.U)
@ -460,8 +460,8 @@ class ifu_bp_ctl extends Module with lib with RequireAsyncReset {
val hit1 = WireInit(UInt(1.W) ,init = 0.U)
btb_upper_hit := (0 until BTB_SIZE).map(i=> ((btbdata(i)(BTB_DWIDTH_TOP,FA_TAG_END_UPPER) === io.ifc_fetch_addr_f(30,FA_CMP_LOWER)) & btbdata(i)(0) & ~wr0_en(i)))
val btb_offset_0 = (0 until BTB_SIZE).map(i=> (btbdata(i)(FA_TAG_START_LOWER,FA_TAG_END_LOWER) === io.ifc_fetch_addr_f(FA_CMP_LOWER-1,1)) & btb_upper_hit(i))
val btb_offset_1 = (0 until BTB_SIZE).map(i=> (btbdata(i)(FA_TAG_START_LOWER,FA_TAG_END_LOWER) === ifc_fetch_addr_p1_f(FA_CMP_LOWER-1,1)) & btb_upper_hit(i))
//btb_offset_0 = (0 until BTB_SIZE).map(i=> (btbdata(i)(FA_TAG_START_LOWER,FA_TAG_END_LOWER) === io.ifc_fetch_addr_f(FA_CMP_LOWER-1,1)) & btb_upper_hit(i))
//btb_offset_1 = (0 until BTB_SIZE).map(i=> (btbdata(i)(FA_TAG_START_LOWER,FA_TAG_END_LOWER) === ifc_fetch_addr_p1_f(FA_CMP_LOWER-1,1)) & btb_upper_hit(i))
// hit unless we are also writing this entry at the same time
val hit0_index = MuxCase(1.U, (0 until BTB_SIZE).map(i=> btb_offset_0(i) -> i.U))