buf_rst corrected
This commit is contained in:
Laraib Khan
parent
c52c6324d9
commit
adce90c0e9
6894
lsu_bus_buffer.fir
6894
lsu_bus_buffer.fir
File diff suppressed because it is too large
Load Diff
2634
lsu_bus_buffer.v
2634
lsu_bus_buffer.v
File diff suppressed because it is too large
Load Diff
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@ -233,7 +233,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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val ibuf_data_in = (0 until 4).map(i => Mux(ibuf_merge_en & ibuf_merge_in,
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Mux(ldst_byteen_lo_r(i), store_data_lo_r((8 * i) + 7, 8 * i), ibuf_data((8 * i) + 7, 8 * i)),
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Mux(io.ldst_dual_r, store_data_hi_r((8 * i) + 7, 8 * i), store_data_lo_r((8 * i) + 7, 8 * i)))).reverse.reduce(Cat(_, _))
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val ibuf_timer_in = Mux(ibuf_wr_en, 0.U, Mux((ibuf_timer<TIMER_MAX.U).asBool(), ibuf_timer+1.U, ibuf_timer))
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val ibuf_timer_in = Mux(ibuf_wr_en, 0.U, Mux((ibuf_timer < TIMER_MAX.U).asBool(), ibuf_timer+1.U, ibuf_timer))
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ibuf_merge_en := io.lsu_busreq_r & io.lsu_commit_r & io.lsu_pkt_r.bits.store & ibuf_valid & ibuf_write & (io.lsu_addr_r(31,2) === ibuf_addr(31,2)) & !io.is_sideeffects_r & !bus_coalescing_disable
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ibuf_merge_in := !io.ldst_dual_r
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@ -318,8 +318,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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val bus_rsp_read_tag = WireInit(UInt(LSU_BUS_TAG.W), 0.U)
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val obuf_rdrsp_tag = WireInit(UInt(LSU_BUS_TAG.W), 0.U)
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val obuf_write = WireInit(Bool(), false.B)
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val obuf_rdrsp_pend_in = ((!(obuf_wr_en & !obuf_nosend_in) & obuf_rdrsp_pend & !(bus_rsp_read & (bus_rsp_read_tag === obuf_rdrsp_tag))) |
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(bus_cmd_sent & !obuf_write)) & !io.dec_tlu_force_halt
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val obuf_rdrsp_pend_in = ((!(obuf_wr_en & !obuf_nosend_in) & obuf_rdrsp_pend & !(bus_rsp_read & (bus_rsp_read_tag === obuf_rdrsp_tag))) | (bus_cmd_sent & !obuf_write)) & !io.dec_tlu_force_halt
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val obuf_rdrsp_pend_en = io.lsu_bus_clk_en | io.dec_tlu_force_halt
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val obuf_tag0 = WireInit(UInt(LSU_BUS_TAG.W), 0.U)
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val obuf_rdrsp_tag_in = Mux(bus_cmd_sent & !obuf_write, obuf_tag0, obuf_rdrsp_tag)
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@ -345,7 +344,6 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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!indexing(buf_cmd_state_bus_en.map(_.asUInt).reverse.reduce(Cat(_,_)), CmdPtr0) & !indexing(buf_sideeffect, CmdPtr0) &
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(!indexing(buf_write, CmdPtr0) & indexing(buf_dual.map(_.asUInt).reverse.reduce(Cat(_,_)), CmdPtr0) & !indexing(buf_dualhi.map(_.asUInt).reverse.reduce(Cat(_,_)), CmdPtr0) & indexing(buf_samedw.map(_.asUInt).reverse.reduce(Cat(_,_)), CmdPtr0))) |
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(ibuf_buf_byp & ldst_samedw_r & io.ldst_dual_r)
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val obuf_wr_enQ = rvdff_fpga (obuf_wr_en,io.lsu_busm_clk,io.lsu_busm_clken,clock)
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obuf_valid := withClock(io.lsu_free_c2_clk){RegNext(Mux(obuf_wr_en, true.B, obuf_valid) & !obuf_rst, false.B)}
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obuf_nosend := withClock(io.lsu_free_c2_clk){RegEnable(obuf_nosend_in, false.B, obuf_wr_en)}
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@ -414,7 +412,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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(ibuf_byp & io.lsu_busreq_r & io.ldst_dual_r & (WrPtr1_r === i.U) & (WrPtr0_r === j.U)))) | buf_age(i)(j)).asUInt).reverse.reduce(Cat(_,_)))
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val buf_ageQ = Wire(Vec(DEPTH, UInt(DEPTH.W)))
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buf_ageQ := buf_ageQ.map(i=> 0.U)
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buf_age := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(buf_ageQ(i)(j) & !((buf_state(j)===cmd_C) & buf_cmd_state_bus_en(j))).asUInt & !io.dec_tlu_force_halt).reverse.reduce(Cat(_,_)))
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buf_age := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(buf_ageQ(i)(j) & !((buf_state(j)===cmd_C) & buf_cmd_state_bus_en(j)) & !io.dec_tlu_force_halt ).asUInt).reverse.reduce(Cat(_,_)))
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buf_age_younger := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(Mux(i.U===j.U, 0.U, !buf_age(i)(j) & (buf_state(j)=/=idle_C))).asUInt).reverse.reduce(Cat(_,_)))
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buf_rsp_pickage := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(buf_rspageQ(i)(j) & (buf_state(j)===done_wait_C)).asUInt).reverse.reduce(Cat(_,_)))
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@ -423,11 +421,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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(ibuf_drain_vld & io.lsu_busreq_r & (ibuf_byp | io.ldst_dual_r) & (WrPtr0_r===i.U) & (ibuf_tag===j.U)) |
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(ibuf_byp & io.lsu_busreq_r & io.ldst_dual_r & (WrPtr1_r===i.U) & (WrPtr0_r===j.U)))).asUInt).reverse.reduce(Cat(_,_)))
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buf_rspage_in := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(buf_rspage_set(i)(j) | buf_rspage(i)(j)).asUInt).reverse.reduce(Cat(_,_)))
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buf_rspage := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(buf_rspageQ(i)(j) & !((buf_state(j)===done_C) | (buf_state(j)===idle_C))).asUInt & !io.dec_tlu_force_halt).reverse.reduce(Cat(_,_)))
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buf_rspage := (0 until DEPTH).map(i=>(0 until DEPTH).map(j=>(buf_rspageQ(i)(j) & !((buf_state(j)===done_C) | (buf_state(j)===idle_C))& !io.dec_tlu_force_halt ).asUInt).reverse.reduce(Cat(_,_)))
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ibuf_drainvec_vld := (0 until DEPTH).map(i=>(ibuf_drain_vld & (ibuf_tag === i.U)).asUInt).reverse.reduce(Cat(_,_))
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buf_byteen_in := (0 until DEPTH).map(i=>Mux(ibuf_drainvec_vld(i), ibuf_byteen_out(3,0),
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Mux(ibuf_byp & io.ldst_dual_r & (WrPtr1_r===i.U), ldst_byteen_hi_r(3,0), ldst_byteen_lo_r(3,0))))
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@ -526,7 +520,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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buf_addr := (0 until DEPTH).map(i=>rvdffe(buf_addr_in(i), buf_wr_en(i).asBool(), clock, io.scan_mode))
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buf_byteen := (0 until DEPTH).map(i=>withClock(io.lsu_bus_buf_c1_clk){RegEnable(buf_byteen_in(i), 0.U, buf_wr_en(i).asBool())})
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buf_data := (0 until DEPTH).map(i=>rvdffe(buf_data_in(i), buf_data_en(i), clock, io.scan_mode))
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buf_error := (0 until DEPTH).map(i=>(withClock(io.lsu_bus_buf_c1_clk){RegNext(Mux(buf_error_en(i), true.B, buf_error(i)) & buf_rst(i), false.B)}).asUInt()).reverse.reduce(Cat(_,_))
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buf_error := (0 until DEPTH).map(i=>(withClock(io.lsu_bus_buf_c1_clk){RegNext(Mux(buf_error_en(i), true.B, buf_error(i)) & !buf_rst(i), false.B)}).asUInt()).reverse.reduce(Cat(_,_))
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val buf_numvld_any = (Mux(io.ldst_dual_m, Cat(io.lsu_busreq_m, 0.U),io.lsu_busreq_m) +& Mux(io.ldst_dual_r, Cat(io.lsu_busreq_r, 0.U),io.lsu_busreq_r) +& ibuf_valid) + buf_state.map(i=>(i=/=idle_C).asUInt).reduce(_+&_)
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buf_numvld_wrcmd_any := (0 until DEPTH).map(i=>(buf_write(i) & (buf_state(i)===cmd_C) & !buf_cmd_state_bus_en(i)).asUInt).reverse.reduce(_ +& _)
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buf_numvld_cmd_any := (0 until DEPTH).map(i=>((buf_state(i)===cmd_C) & !buf_cmd_state_bus_en(i)).asUInt).reverse.reduce(_ +& _)
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@ -579,7 +573,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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io.lsu_axi.aw.bits.id := obuf_tag0
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io.lsu_axi.aw.bits.addr := Mux(obuf_sideeffect, obuf_addr, Cat(obuf_addr(31,3), 0.U(3.W)))
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io.lsu_axi.aw.bits.size := Mux(obuf_sideeffect, Cat(0.U, obuf_sz), 3.U(3.W))
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io.lsu_axi.aw.bits.prot := 1.U
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io.lsu_axi.aw.bits.prot := 1.U(3.W)
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io.lsu_axi.aw.bits.cache := Mux(obuf_sideeffect, 0.U, 15.U)
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io.lsu_axi.aw.bits.region := obuf_addr(31,28)
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io.lsu_axi.aw.bits.len := 0.U
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@ -596,7 +590,7 @@ class lsu_bus_buffer extends Module with RequireAsyncReset with lib {
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io.lsu_axi.ar.bits.id := obuf_tag0
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io.lsu_axi.ar.bits.addr := Mux(obuf_sideeffect, obuf_addr, Cat(obuf_addr(31,3),0.U(3.W)))
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io.lsu_axi.ar.bits.size := Mux(obuf_sideeffect, Cat(0.U, obuf_sz), 3.U(3.W))
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io.lsu_axi.ar.bits.prot := 1.U
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io.lsu_axi.ar.bits.prot := 1.U(3.W)
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io.lsu_axi.ar.bits.cache := Mux(obuf_sideeffect, 0.U(4.W), 15.U)
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io.lsu_axi.ar.bits.region := obuf_addr(31,28)
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io.lsu_axi.ar.bits.len := 0.U
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