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1182 lines
53 KiB
Verilog
1182 lines
53 KiB
Verilog
// © IBM Corp. 2020
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// Licensed under the Apache License, Version 2.0 (the "License"), as modified by
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// the terms below; you may not use the files in this repository except in
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// compliance with the License as modified.
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// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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//
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// Modified Terms:
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//
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// 1) For the purpose of the patent license granted to you in Section 3 of the
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// License, the "Work" hereby includes implementations of the work of authorship
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// in physical form.
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//
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// 2) Notwithstanding any terms to the contrary in the License, any licenses
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// necessary for implementation of the Work that are available from OpenPOWER
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// via the Power ISA End User License Agreement (EULA) are explicitly excluded
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// hereunder, and may be obtained from OpenPOWER under the terms and conditions
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// of the EULA.
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//
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// Unless required by applicable law or agreed to in writing, the reference design
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
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// for the specific language governing permissions and limitations under the License.
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//
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// Additional rights, including the ability to physically implement a softcore that
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// is compliant with the required sections of the Power ISA Specification, are
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// available at no cost under the terms of the OpenPOWER Power ISA EULA, which can be
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// obtained (along with the Power ISA) here: https://openpowerfoundation.org.
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// Description: XU LSU L1 Data Directory Wrapper
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//*****************************************************************************
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// ##########################################################################################
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// VHDL Contents
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// 1) L1 D$ Directory Array
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// 2) Valid Register Array
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// 3) LRU Register Array
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// 4) Data Cache Control
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// 5) Flush Generation
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// 6) 8 way tag compare
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// 7) Parity Check
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// 8) Reload Update
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// ##########################################################################################
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`timescale 1 ns / 1 ns
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`include "tri_a2o.vh"
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module lq_dir(
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dcc_dir_ex2_stg_act,
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dcc_dir_ex3_stg_act,
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dcc_dir_ex4_stg_act,
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dcc_dir_ex5_stg_act,
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dcc_dir_stq1_stg_act,
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dcc_dir_stq2_stg_act,
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dcc_dir_stq3_stg_act,
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dcc_dir_stq4_stg_act,
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dcc_dir_stq5_stg_act,
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dcc_dir_binv2_ex2_stg_act,
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dcc_dir_binv3_ex3_stg_act,
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dcc_dir_binv4_ex4_stg_act,
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dcc_dir_binv5_ex5_stg_act,
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dcc_dir_binv6_ex6_stg_act,
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byp_dir_ex2_rs1,
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byp_dir_ex2_rs2,
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dcc_dir_ex2_64bit_agen,
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pc_lq_inj_dcachedir_ldp_parity,
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pc_lq_inj_dcachedir_ldp_multihit,
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pc_lq_inj_dcachedir_stp_parity,
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pc_lq_inj_dcachedir_stp_multihit,
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dcc_dir_ex2_binv_val,
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dcc_dir_ex2_thrd_id,
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dcc_dir_ex3_cache_acc,
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dcc_dir_ex3_pfetch_val,
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dcc_dir_ex3_lru_upd,
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dcc_dir_ex3_lock_set,
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dcc_dir_ex3_th_c,
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dcc_dir_ex3_watch_set,
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dcc_dir_ex3_larx_val,
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dcc_dir_ex3_watch_chk,
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dcc_dir_ex3_ddir_acc,
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dcc_dir_ex4_load_val,
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dcc_dir_ex4_p_addr,
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derat_dir_ex4_wimge_i,
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dcc_dir_stq6_store_val,
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dat_ctl_dcarr_perr_way,
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xu_lq_spr_xucr0_wlk,
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xu_lq_spr_xucr0_dcdis,
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xu_lq_spr_xucr0_clfc,
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xu_lq_spr_xucr0_cls,
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dcc_dir_spr_xucr2_rmt,
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dcc_dir_ex2_frc_align16,
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dcc_dir_ex2_frc_align8,
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dcc_dir_ex2_frc_align4,
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dcc_dir_ex2_frc_align2,
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lsq_ctl_stq1_val,
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lsq_ctl_stq2_blk_req,
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lsq_ctl_stq1_thrd_id,
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lsq_ctl_rel1_thrd_id,
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lsq_ctl_stq1_store_val,
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lsq_ctl_stq1_ci,
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lsq_ctl_stq1_lock_clr,
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lsq_ctl_stq1_watch_clr,
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lsq_ctl_stq1_l_fld,
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lsq_ctl_stq1_inval,
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lsq_ctl_stq1_dci_val,
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lsq_ctl_stq1_addr,
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lsq_ctl_rel1_clr_val,
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lsq_ctl_rel1_set_val,
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lsq_ctl_rel1_data_val,
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lsq_ctl_rel1_back_inv,
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lsq_ctl_rel2_blk_req,
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lsq_ctl_rel1_tag,
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lsq_ctl_rel1_classid,
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lsq_ctl_rel1_lock_set,
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lsq_ctl_rel1_watch_set,
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lsq_ctl_rel2_upd_val,
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lsq_ctl_rel3_l1dump_val,
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lsq_ctl_rel3_clr_relq,
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ctl_lsq_stq4_perr_reject,
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ctl_dat_stq5_way_perr_inval,
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fgen_ex3_stg_flush,
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fgen_ex4_cp_flush,
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fgen_ex4_stg_flush,
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fgen_ex5_stg_flush,
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dir_arr_rd_addr0_01,
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dir_arr_rd_addr0_23,
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dir_arr_rd_addr0_45,
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dir_arr_rd_addr0_67,
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dir_arr_rd_data0,
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dir_arr_rd_data1,
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dir_arr_wr_enable,
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dir_arr_wr_way,
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dir_arr_wr_addr,
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dir_arr_wr_data,
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dir_dcc_ex2_eff_addr,
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dir_derat_ex2_eff_addr,
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dir_dcc_ex4_hit,
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dir_dcc_ex4_miss,
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ctl_dat_ex4_way_hit,
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dir_dcc_stq3_hit,
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dir_dcc_ex5_cr_rslt,
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ctl_perv_dir_perf_events,
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dir_dcc_rel3_dcarr_upd,
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dir_dec_rel3_dir_wr_val,
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dir_dec_rel3_dir_wr_addr,
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stq4_dcarr_way_en,
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lq_xu_spr_xucr0_cslc_xuop,
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lq_xu_spr_xucr0_cslc_binv,
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lq_xu_spr_xucr0_clo,
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dir_dcc_ex4_way_tag_a,
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dir_dcc_ex4_way_tag_b,
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dir_dcc_ex4_way_tag_c,
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dir_dcc_ex4_way_tag_d,
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dir_dcc_ex4_way_tag_e,
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dir_dcc_ex4_way_tag_f,
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dir_dcc_ex4_way_tag_g,
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dir_dcc_ex4_way_tag_h,
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dir_dcc_ex4_way_par_a,
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dir_dcc_ex4_way_par_b,
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dir_dcc_ex4_way_par_c,
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dir_dcc_ex4_way_par_d,
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dir_dcc_ex4_way_par_e,
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dir_dcc_ex4_way_par_f,
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dir_dcc_ex4_way_par_g,
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dir_dcc_ex4_way_par_h,
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dir_dcc_ex5_way_a_dir,
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dir_dcc_ex5_way_b_dir,
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dir_dcc_ex5_way_c_dir,
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dir_dcc_ex5_way_d_dir,
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dir_dcc_ex5_way_e_dir,
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dir_dcc_ex5_way_f_dir,
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dir_dcc_ex5_way_g_dir,
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dir_dcc_ex5_way_h_dir,
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dir_dcc_ex5_dir_lru,
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dir_dcc_ex4_set_rel_coll,
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dir_dcc_ex4_byp_restart,
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dir_dcc_ex5_dir_perr_det,
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dir_dcc_ex5_dc_perr_det,
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dir_dcc_ex5_dir_perr_flush,
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dir_dcc_ex5_dc_perr_flush,
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dir_dcc_ex5_multihit_det,
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dir_dcc_ex5_multihit_flush,
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dir_dcc_stq4_dir_perr_det,
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dir_dcc_stq4_multihit_det,
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dir_dcc_ex5_stp_flush,
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vdd,
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gnd,
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nclk,
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sg_0,
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func_sl_thold_0_b,
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func_sl_force,
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func_slp_sl_thold_0_b,
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func_slp_sl_force,
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func_nsl_thold_0_b,
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func_nsl_force,
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func_slp_nsl_thold_0_b,
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func_slp_nsl_force,
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d_mode_dc,
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delay_lclkr_dc,
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mpw1_dc_b,
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mpw2_dc_b,
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scan_in,
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scan_out
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);
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//-------------------------------------------------------------------
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// Generics
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//-------------------------------------------------------------------
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//parameter EXPAND_TYPE = 2;
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//parameter THREADS = 2;
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//parameter ITAG_SIZE_ENC = 7;
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//parameter DC_SIZE = 15; // 14 => 16K L1D$, 15 => 32K L1D$
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//parameter CL_SIZE = 6; // 6 => 64B CLINE, 7 => 128B CLINE
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//parameter LMQ_ENTRIES = 8;
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//parameter CR_POOL_ENC = 5;
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//parameter UCODE_ENTRIES_ENC = 3;
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//parameter REAL_IFAR_WIDTH = 42;
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//parameter `GPR_WIDTH_ENC = 6;
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parameter WAYDATASIZE = 34; // TagSize + Parity Bits
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parameter PARBITS = 4;
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// ACT's
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input dcc_dir_ex2_stg_act;
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input dcc_dir_ex3_stg_act;
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input dcc_dir_ex4_stg_act;
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input dcc_dir_ex5_stg_act;
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input dcc_dir_stq1_stg_act;
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input dcc_dir_stq2_stg_act;
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input dcc_dir_stq3_stg_act;
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input dcc_dir_stq4_stg_act;
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input dcc_dir_stq5_stg_act;
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input dcc_dir_binv2_ex2_stg_act;
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input dcc_dir_binv3_ex3_stg_act;
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input dcc_dir_binv4_ex4_stg_act;
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input dcc_dir_binv5_ex5_stg_act;
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input dcc_dir_binv6_ex6_stg_act;
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// AGEN Sources
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input [64-(2**`GPR_WIDTH_ENC):63] byp_dir_ex2_rs1;
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input [64-(2**`GPR_WIDTH_ENC):63] byp_dir_ex2_rs2;
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input dcc_dir_ex2_64bit_agen;
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// Error Inject
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input pc_lq_inj_dcachedir_ldp_parity;
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input pc_lq_inj_dcachedir_ldp_multihit;
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input pc_lq_inj_dcachedir_stp_parity;
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input pc_lq_inj_dcachedir_stp_multihit;
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input dcc_dir_ex2_binv_val; // Back-Invalidate is Valid
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input [0:`THREADS-1] dcc_dir_ex2_thrd_id; // Thread ID
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input dcc_dir_ex3_cache_acc; // Cache Access is Valid
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input dcc_dir_ex3_pfetch_val;
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input dcc_dir_ex3_lru_upd; // Dont update LRU indicator
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input dcc_dir_ex3_lock_set; // DCBT[ST]LS Operation is valid
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input dcc_dir_ex3_th_c; // DCBT[ST]LS Operation is targeting the L1 Data Cache
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input dcc_dir_ex3_watch_set; // LDAWX Operation is valid
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input dcc_dir_ex3_larx_val; // LARX Operation is valid, the directory should be invalidated if hit
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input dcc_dir_ex3_watch_chk; // WCHK Operation is valid
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input dcc_dir_ex3_ddir_acc; // Directory Access is valid
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input dcc_dir_ex4_load_val;
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input [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dcc_dir_ex4_p_addr;
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input derat_dir_ex4_wimge_i; // Cache-Inhibited Request
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input dcc_dir_stq6_store_val;
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input [0:7] dat_ctl_dcarr_perr_way; // Data Cache Parity on a Way
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input xu_lq_spr_xucr0_wlk;
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input xu_lq_spr_xucr0_dcdis;
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input xu_lq_spr_xucr0_clfc;
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input xu_lq_spr_xucr0_cls; // Cacheline Size = 1 => 128Byte size, 0 => 64Byte size
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input [0:31] dcc_dir_spr_xucr2_rmt;
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input dcc_dir_ex2_frc_align16;
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input dcc_dir_ex2_frc_align8;
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input dcc_dir_ex2_frc_align4;
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input dcc_dir_ex2_frc_align2;
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// RELOAD/RECIRC Control
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input lsq_ctl_stq1_val;
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input lsq_ctl_stq2_blk_req; // Block Store due to RV issue
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input [0:`THREADS-1] lsq_ctl_stq1_thrd_id;
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input [0:`THREADS-1] lsq_ctl_rel1_thrd_id;
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input lsq_ctl_stq1_store_val; // Recir Store instruction
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input lsq_ctl_stq1_ci;
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input lsq_ctl_stq1_lock_clr; // Recirc Lock Clear instruction
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input lsq_ctl_stq1_watch_clr; // Recirc Watch Clear instruction
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input [0:1] lsq_ctl_stq1_l_fld; // Recirc Watch Clear L-Field
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input lsq_ctl_stq1_inval; // Recirc Invalidate instruction
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input lsq_ctl_stq1_dci_val; // Recirc DCI instruction
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input [64-`REAL_IFAR_WIDTH:63-`CL_SIZE] lsq_ctl_stq1_addr;
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input lsq_ctl_rel1_clr_val; // Reload data is valid for 1st beat
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input lsq_ctl_rel1_set_val; // Reload data is valid for last beat
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input lsq_ctl_rel1_data_val; // Reload data is valid
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input lsq_ctl_rel1_back_inv; // Reload was Back-Invalidated
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input lsq_ctl_rel2_blk_req; // Block Reload due to RV issue or Back-Invalidate
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input [0:3] lsq_ctl_rel1_tag; // Reload Tag
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input [0:1] lsq_ctl_rel1_classid;
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input lsq_ctl_rel1_lock_set; // Reload/Recirc Lock Set instruction
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input lsq_ctl_rel1_watch_set; // Reload/Recirc Watch Set instruction
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input lsq_ctl_rel2_upd_val; // No ECC Errors were detected
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input lsq_ctl_rel3_l1dump_val; // Reload Complete for an L1_DUMP reload
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input lsq_ctl_rel3_clr_relq; // Reload Complete due to an ECC error
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output ctl_lsq_stq4_perr_reject; // STQ4 parity error detected, reject STQ2 Commit
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output [0:7] ctl_dat_stq5_way_perr_inval;
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// Instruction Flush
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input fgen_ex3_stg_flush;
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input fgen_ex4_cp_flush;
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input fgen_ex4_stg_flush;
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input fgen_ex5_stg_flush;
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// Directory Read Interface
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output [64-(`DC_SIZE-3):63-`CL_SIZE] dir_arr_rd_addr0_01;
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output [64-(`DC_SIZE-3):63-`CL_SIZE] dir_arr_rd_addr0_23;
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output [64-(`DC_SIZE-3):63-`CL_SIZE] dir_arr_rd_addr0_45;
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output [64-(`DC_SIZE-3):63-`CL_SIZE] dir_arr_rd_addr0_67;
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input [0:(8*WAYDATASIZE)-1] dir_arr_rd_data0;
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input [0:(8*WAYDATASIZE)-1] dir_arr_rd_data1;
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// Directory Write Interface
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output [0:3] dir_arr_wr_enable;
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output [0:7] dir_arr_wr_way;
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output [64-(`DC_SIZE-3):63-`CL_SIZE] dir_arr_wr_addr;
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output [64-`REAL_IFAR_WIDTH:64-`REAL_IFAR_WIDTH+WAYDATASIZE-1] dir_arr_wr_data;
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// LQ Pipe Outputs
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output [64-(2**`GPR_WIDTH_ENC):63] dir_dcc_ex2_eff_addr;
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output [0:51] dir_derat_ex2_eff_addr;
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output dir_dcc_ex4_hit;
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output dir_dcc_ex4_miss;
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output [0:7] ctl_dat_ex4_way_hit; // Way Hit
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// COMMIT Pipe Hit indicator
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output dir_dcc_stq3_hit;
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// CR results
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output dir_dcc_ex5_cr_rslt; // Condition Register Results from Watch instructions
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// Performance Events
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output [0:(`THREADS*3)+1] ctl_perv_dir_perf_events;
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// Data Array Controls
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output dir_dcc_rel3_dcarr_upd; // Reload Data Array Update Valid
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output dir_dec_rel3_dir_wr_val; // Reload Directory Write Stage is valid
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output [64-(`DC_SIZE-3):63-`CL_SIZE] dir_dec_rel3_dir_wr_addr; // Reload Directory Write Address
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output [0:7] stq4_dcarr_way_en;
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// SPR status
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output lq_xu_spr_xucr0_cslc_xuop; // Invalidate type instruction invalidated lock
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output lq_xu_spr_xucr0_cslc_binv; // Back-Invalidate invalidated lock
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output lq_xu_spr_xucr0_clo; // Cache Lock instruction caused an overlock
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// L1 Directory Contents
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_a;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_b;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_c;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_d;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_e;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_f;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_g;
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output [64-`REAL_IFAR_WIDTH:63-(`DC_SIZE-3)] dir_dcc_ex4_way_tag_h;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_a;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_b;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_c;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_d;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_e;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_f;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_g;
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output [0:PARBITS-1] dir_dcc_ex4_way_par_h;
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output [0:1+`THREADS] dir_dcc_ex5_way_a_dir;
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output [0:1+`THREADS] dir_dcc_ex5_way_b_dir;
|
|
output [0:1+`THREADS] dir_dcc_ex5_way_c_dir;
|
|
output [0:1+`THREADS] dir_dcc_ex5_way_d_dir;
|
|
output [0:1+`THREADS] dir_dcc_ex5_way_e_dir;
|
|
output [0:1+`THREADS] dir_dcc_ex5_way_f_dir;
|
|
output [0:1+`THREADS] dir_dcc_ex5_way_g_dir;
|
|
output [0:1+`THREADS] dir_dcc_ex5_way_h_dir;
|
|
output [0:6] dir_dcc_ex5_dir_lru;
|
|
|
|
// Reject Cases
|
|
output dir_dcc_ex4_set_rel_coll; // Resource Conflict, should cause a reject
|
|
output dir_dcc_ex4_byp_restart; // Directory Bypassed stage that was restarted
|
|
output dir_dcc_ex5_dir_perr_det; // Parity Error Detected
|
|
output dir_dcc_ex5_dc_perr_det; // Data Cache Parity Error Detected
|
|
output dir_dcc_ex5_dir_perr_flush; // Data Directory Parity Error Flush
|
|
output dir_dcc_ex5_dc_perr_flush; // Data Cache Parity Error Flush
|
|
output dir_dcc_ex5_multihit_det; // Directory Multihit Detected
|
|
output dir_dcc_ex5_multihit_flush; // Directory Multihit Flush
|
|
output dir_dcc_stq4_dir_perr_det; // Data Cache Parity Error Detected on the STQ Commit Pipeline
|
|
output dir_dcc_stq4_multihit_det; // Directory Multihit Detected on the STQ Commit Pipeline
|
|
output dir_dcc_ex5_stp_flush; // Directory Error detected on the STQ Commit Pipeline with EX5 LDP valid
|
|
|
|
|
|
inout vdd;
|
|
|
|
|
|
inout gnd;
|
|
|
|
(* pin_data="PIN_FUNCTION=/G_CLK/CAP_LIMIT=/99999/" *)
|
|
|
|
input [0:`NCLK_WIDTH-1] nclk;
|
|
input sg_0;
|
|
input func_sl_thold_0_b;
|
|
input func_sl_force;
|
|
input func_slp_sl_thold_0_b;
|
|
input func_slp_sl_force;
|
|
input func_nsl_thold_0_b;
|
|
input func_nsl_force;
|
|
input func_slp_nsl_thold_0_b;
|
|
input func_slp_nsl_force;
|
|
input d_mode_dc;
|
|
input delay_lclkr_dc;
|
|
input mpw1_dc_b;
|
|
input mpw2_dc_b;
|
|
|
|
(* pin_data="PIN_FUNCTION=/SCAN_IN/" *)
|
|
|
|
input [0:4] scan_in;
|
|
|
|
(* pin_data="PIN_FUNCTION=/SCAN_OUT/" *)
|
|
|
|
output [0:4] scan_out;
|
|
|
|
//--------------------------
|
|
// components
|
|
//--------------------------
|
|
|
|
//--------------------------
|
|
// signals
|
|
//--------------------------
|
|
wire [64-(2**`GPR_WIDTH_ENC):63] ex2_eff_addr;
|
|
wire [60:63] ex2_lwr_p_addr;
|
|
wire rel4_dir_wr_val_d;
|
|
wire rel4_dir_wr_val_q;
|
|
wire rel_way_val_a;
|
|
wire rel_way_val_b;
|
|
wire rel_way_val_c;
|
|
wire rel_way_val_d;
|
|
wire rel_way_val_e;
|
|
wire rel_way_val_f;
|
|
wire rel_way_val_g;
|
|
wire rel_way_val_h;
|
|
wire rel_way_lock_a;
|
|
wire rel_way_lock_b;
|
|
wire rel_way_lock_c;
|
|
wire rel_way_lock_d;
|
|
wire rel_way_lock_e;
|
|
wire rel_way_lock_f;
|
|
wire rel_way_lock_g;
|
|
wire rel_way_lock_h;
|
|
wire rel_way_clr_a;
|
|
wire rel_way_clr_b;
|
|
wire rel_way_clr_c;
|
|
wire rel_way_clr_d;
|
|
wire rel_way_clr_e;
|
|
wire rel_way_clr_f;
|
|
wire rel_way_clr_g;
|
|
wire rel_way_clr_h;
|
|
wire rel_way_wen_a;
|
|
wire rel_way_wen_b;
|
|
wire rel_way_wen_c;
|
|
wire rel_way_wen_d;
|
|
wire rel_way_wen_e;
|
|
wire rel_way_wen_f;
|
|
wire rel_way_wen_g;
|
|
wire rel_way_wen_h;
|
|
wire rel_way_upd_a;
|
|
wire rel_way_upd_b;
|
|
wire rel_way_upd_c;
|
|
wire rel_way_upd_d;
|
|
wire rel_way_upd_e;
|
|
wire rel_way_upd_f;
|
|
wire rel_way_upd_g;
|
|
wire rel_way_upd_h;
|
|
wire rel3_dir_wr_val;
|
|
wire [64-(`DC_SIZE-3):63-`CL_SIZE] rel3_dir_wr_addr;
|
|
wire ex4_l1hit;
|
|
wire ex4_l1miss;
|
|
wire ex4_way_cmp_a;
|
|
wire ex4_way_cmp_b;
|
|
wire ex4_way_cmp_c;
|
|
wire ex4_way_cmp_d;
|
|
wire ex4_way_cmp_e;
|
|
wire ex4_way_cmp_f;
|
|
wire ex4_way_cmp_g;
|
|
wire ex4_way_cmp_h;
|
|
wire ex4_way_hit_a;
|
|
wire ex4_way_hit_b;
|
|
wire ex4_way_hit_c;
|
|
wire ex4_way_hit_d;
|
|
wire ex4_way_hit_e;
|
|
wire ex4_way_hit_f;
|
|
wire ex4_way_hit_g;
|
|
wire ex4_way_hit_h;
|
|
wire [0:7] ex4_tag_perr_way;
|
|
wire spr_xucr0_dcdis_d;
|
|
wire spr_xucr0_dcdis_q;
|
|
wire spr_xucr0_cls_b;
|
|
wire spr_xucr0_cls_d;
|
|
wire spr_xucr0_cls_q;
|
|
wire stq3_way_cmp_a;
|
|
wire stq3_way_cmp_b;
|
|
wire stq3_way_cmp_c;
|
|
wire stq3_way_cmp_d;
|
|
wire stq3_way_cmp_e;
|
|
wire stq3_way_cmp_f;
|
|
wire stq3_way_cmp_g;
|
|
wire stq3_way_cmp_h;
|
|
wire [0:7] stq3_tag_way_perr;
|
|
wire stq3_way_hit_a;
|
|
wire stq3_way_hit_b;
|
|
wire stq3_way_hit_c;
|
|
wire stq3_way_hit_d;
|
|
wire stq3_way_hit_e;
|
|
wire stq3_way_hit_f;
|
|
wire stq3_way_hit_g;
|
|
wire stq3_way_hit_h;
|
|
wire stq3_miss;
|
|
wire stq3_hit;
|
|
wire stq1_lru_upd;
|
|
wire stq2_ddir_acc;
|
|
wire [0:7] dir_arr_wr_way_int;
|
|
wire [64-(`DC_SIZE-3):63-`CL_SIZE] dir_arr_wr_addr_int;
|
|
wire dir_tag_scanout;
|
|
|
|
//--------------------------
|
|
// constants
|
|
//--------------------------
|
|
parameter rel4_dir_wr_val_offset = 0;
|
|
parameter spr_xucr0_dcdis_offset = rel4_dir_wr_val_offset + 1;
|
|
parameter spr_xucr0_cls_offset = spr_xucr0_dcdis_offset + 1;
|
|
parameter scan_right = spr_xucr0_cls_offset + 1 - 1;
|
|
|
|
wire tiup;
|
|
wire [0:scan_right] siv;
|
|
wire [0:scan_right] sov;
|
|
|
|
|
|
(* analysis_not_referenced="true" *)
|
|
|
|
wire unused;
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// Inputs
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
assign tiup = 1'b1;
|
|
assign unused = stq3_miss;
|
|
|
|
// Force Alignment
|
|
assign ex2_lwr_p_addr[60] = ex2_eff_addr[60] & (~dcc_dir_ex2_frc_align16);
|
|
assign ex2_lwr_p_addr[61] = ex2_eff_addr[61] & (~(dcc_dir_ex2_frc_align16 | dcc_dir_ex2_frc_align8));
|
|
assign ex2_lwr_p_addr[62] = ex2_eff_addr[62] & (~(dcc_dir_ex2_frc_align16 | dcc_dir_ex2_frc_align8 | dcc_dir_ex2_frc_align4));
|
|
assign ex2_lwr_p_addr[63] = ex2_eff_addr[63] & (~(dcc_dir_ex2_frc_align16 | dcc_dir_ex2_frc_align8 | dcc_dir_ex2_frc_align4 | dcc_dir_ex2_frc_align2));
|
|
|
|
assign rel4_dir_wr_val_d = rel3_dir_wr_val;
|
|
assign stq1_lru_upd = lsq_ctl_stq1_store_val & (~lsq_ctl_stq1_inval);
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// XU Config Bits
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
|
|
// XUCR0[DC_DIS] Data Cache Disabled
|
|
// 1 => L1 Data Cache Disabled
|
|
// 0 => L1 Data Cache Enabled
|
|
assign spr_xucr0_dcdis_d = xu_lq_spr_xucr0_dcdis;
|
|
|
|
// XUCR0[CLS] 128 Byte Cacheline Enabled
|
|
// 1 => 128 Byte Cacheline
|
|
// 0 => 64 Byte Cacheline
|
|
assign spr_xucr0_cls_d = xu_lq_spr_xucr0_cls;
|
|
assign spr_xucr0_cls_b = (~spr_xucr0_cls_q);
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// AGEN Adder
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
|
|
generate
|
|
if (`GPR_WIDTH_ENC == 5) begin : Mode32b
|
|
assign ex2_eff_addr = byp_dir_ex2_rs1 + byp_dir_ex2_rs2;
|
|
assign dir_arr_rd_addr0_01[64-(`DC_SIZE-3):63-`CL_SIZE-1] = ex2_eff_addr[64-(`DC_SIZE-3):63-`CL_SIZE-1];
|
|
assign dir_arr_rd_addr0_01[63-`CL_SIZE] = ex2_eff_addr[63-`CL_SIZE] | spr_xucr0_cls_q;
|
|
assign dir_arr_rd_addr0_23[64-(`DC_SIZE-3):63-`CL_SIZE-1] = ex2_eff_addr[64-(`DC_SIZE-3):63-`CL_SIZE-1];
|
|
assign dir_arr_rd_addr0_23[63-`CL_SIZE] = ex2_eff_addr[63-`CL_SIZE] | spr_xucr0_cls_q;
|
|
assign dir_arr_rd_addr0_45[64-(`DC_SIZE-3):63-`CL_SIZE-1] = ex2_eff_addr[64-(`DC_SIZE-3):63-`CL_SIZE-1];
|
|
assign dir_arr_rd_addr0_45[63-`CL_SIZE] = ex2_eff_addr[63-`CL_SIZE] | spr_xucr0_cls_q;
|
|
assign dir_arr_rd_addr0_67[64-(`DC_SIZE-3):63-`CL_SIZE-1] = ex2_eff_addr[64-(`DC_SIZE-3):63-`CL_SIZE-1];
|
|
assign dir_arr_rd_addr0_67[63-`CL_SIZE] = ex2_eff_addr[63-`CL_SIZE] | spr_xucr0_cls_q;
|
|
assign dir_derat_ex2_eff_addr[0:31] = {32{1'b0}};
|
|
assign dir_derat_ex2_eff_addr[32:51] = ex2_eff_addr[32:51];
|
|
assign dir_arr_wr_enable[0] = rel4_dir_wr_val_q & (dir_arr_wr_way_int[0] | dir_arr_wr_way_int[1]);
|
|
assign dir_arr_wr_enable[1] = rel4_dir_wr_val_q & (dir_arr_wr_way_int[2] | dir_arr_wr_way_int[3]);
|
|
assign dir_arr_wr_enable[2] = rel4_dir_wr_val_q & (dir_arr_wr_way_int[4] | dir_arr_wr_way_int[5]);
|
|
assign dir_arr_wr_enable[3] = rel4_dir_wr_val_q & (dir_arr_wr_way_int[6] | dir_arr_wr_way_int[7]);
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (`GPR_WIDTH_ENC == 6) begin : Mode64b
|
|
lq_agen agen(
|
|
.x(byp_dir_ex2_rs1),
|
|
.y(byp_dir_ex2_rs2),
|
|
.mode64(dcc_dir_ex2_64bit_agen),
|
|
.dir_ig_57_b(spr_xucr0_cls_b),
|
|
|
|
.sum_non_erat(ex2_eff_addr),
|
|
.sum(dir_derat_ex2_eff_addr),
|
|
.sum_arr_dir01(dir_arr_rd_addr0_01),
|
|
.sum_arr_dir23(dir_arr_rd_addr0_23),
|
|
.sum_arr_dir45(dir_arr_rd_addr0_45),
|
|
.sum_arr_dir67(dir_arr_rd_addr0_67),
|
|
|
|
.way(dir_arr_wr_way_int),
|
|
.rel4_dir_wr_val(rel4_dir_wr_val_q),
|
|
.ary_write_act_01(dir_arr_wr_enable[0]),
|
|
.ary_write_act_23(dir_arr_wr_enable[1]),
|
|
.ary_write_act_45(dir_arr_wr_enable[2]),
|
|
.ary_write_act_67(dir_arr_wr_enable[3])
|
|
);
|
|
end
|
|
endgenerate
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// Directory Valids Array
|
|
// 1) Contains an Array of Valids
|
|
// 2) Updates Valid bits on Reloads
|
|
// 3) Invalidates Valid bits for Flush type commands and Back Invalidates
|
|
// 4) Outputs Valids for Congruence Class
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
lq_dir_val l1dcdv(
|
|
|
|
// ACT's
|
|
.dcc_dir_ex2_stg_act(dcc_dir_ex2_stg_act),
|
|
.dcc_dir_ex3_stg_act(dcc_dir_ex3_stg_act),
|
|
.dcc_dir_ex4_stg_act(dcc_dir_ex4_stg_act),
|
|
.dcc_dir_stq1_stg_act(dcc_dir_stq1_stg_act),
|
|
.dcc_dir_stq2_stg_act(dcc_dir_stq2_stg_act),
|
|
.dcc_dir_stq3_stg_act(dcc_dir_stq3_stg_act),
|
|
.dcc_dir_stq4_stg_act(dcc_dir_stq4_stg_act),
|
|
.dcc_dir_stq5_stg_act(dcc_dir_stq5_stg_act),
|
|
.dcc_dir_binv2_ex2_stg_act(dcc_dir_binv2_ex2_stg_act),
|
|
.dcc_dir_binv3_ex3_stg_act(dcc_dir_binv3_ex3_stg_act),
|
|
.dcc_dir_binv4_ex4_stg_act(dcc_dir_binv4_ex4_stg_act),
|
|
.dcc_dir_binv5_ex5_stg_act(dcc_dir_binv5_ex5_stg_act),
|
|
.dcc_dir_binv6_ex6_stg_act(dcc_dir_binv6_ex6_stg_act),
|
|
|
|
// Reload and Store Commit Pipe
|
|
.lsq_ctl_stq1_val(lsq_ctl_stq1_val),
|
|
.lsq_ctl_stq2_blk_req(lsq_ctl_stq2_blk_req),
|
|
.lsq_ctl_stq1_thrd_id(lsq_ctl_stq1_thrd_id),
|
|
.lsq_ctl_rel1_thrd_id(lsq_ctl_rel1_thrd_id),
|
|
.lsq_ctl_stq1_ci(lsq_ctl_stq1_ci),
|
|
.lsq_ctl_stq1_lock_clr(lsq_ctl_stq1_lock_clr),
|
|
.lsq_ctl_stq1_watch_clr(lsq_ctl_stq1_watch_clr),
|
|
.lsq_ctl_stq1_store_val(lsq_ctl_stq1_store_val),
|
|
.lsq_ctl_stq1_inval(lsq_ctl_stq1_inval),
|
|
.lsq_ctl_stq1_dci_val(lsq_ctl_stq1_dci_val),
|
|
.lsq_ctl_stq1_l_fld(lsq_ctl_stq1_l_fld),
|
|
.lsq_ctl_stq1_addr(lsq_ctl_stq1_addr[64 - (`DC_SIZE - 3):63 - `CL_SIZE]),
|
|
.lsq_ctl_rel1_clr_val(lsq_ctl_rel1_clr_val),
|
|
.lsq_ctl_rel1_set_val(lsq_ctl_rel1_set_val),
|
|
.lsq_ctl_rel1_back_inv(lsq_ctl_rel1_back_inv),
|
|
.lsq_ctl_rel2_blk_req(lsq_ctl_rel2_blk_req),
|
|
.lsq_ctl_rel2_upd_val(lsq_ctl_rel2_upd_val),
|
|
.lsq_ctl_rel3_l1dump_val(lsq_ctl_rel3_l1dump_val),
|
|
.lsq_ctl_rel1_lock_set(lsq_ctl_rel1_lock_set),
|
|
.lsq_ctl_rel1_watch_set(lsq_ctl_rel1_watch_set),
|
|
.dcc_dir_stq6_store_val(dcc_dir_stq6_store_val),
|
|
|
|
.rel_way_clr_a(rel_way_clr_a),
|
|
.rel_way_clr_b(rel_way_clr_b),
|
|
.rel_way_clr_c(rel_way_clr_c),
|
|
.rel_way_clr_d(rel_way_clr_d),
|
|
.rel_way_clr_e(rel_way_clr_e),
|
|
.rel_way_clr_f(rel_way_clr_f),
|
|
.rel_way_clr_g(rel_way_clr_g),
|
|
.rel_way_clr_h(rel_way_clr_h),
|
|
|
|
.rel_way_wen_a(rel_way_wen_a),
|
|
.rel_way_wen_b(rel_way_wen_b),
|
|
.rel_way_wen_c(rel_way_wen_c),
|
|
.rel_way_wen_d(rel_way_wen_d),
|
|
.rel_way_wen_e(rel_way_wen_e),
|
|
.rel_way_wen_f(rel_way_wen_f),
|
|
.rel_way_wen_g(rel_way_wen_g),
|
|
.rel_way_wen_h(rel_way_wen_h),
|
|
|
|
.xu_lq_spr_xucr0_clfc(xu_lq_spr_xucr0_clfc),
|
|
.spr_xucr0_dcdis(spr_xucr0_dcdis_q),
|
|
.spr_xucr0_cls(spr_xucr0_cls_q),
|
|
|
|
// Execution Pipe
|
|
.dcc_dir_ex2_binv_val(dcc_dir_ex2_binv_val),
|
|
.dcc_dir_ex2_thrd_id(dcc_dir_ex2_thrd_id),
|
|
.ex2_eff_addr(ex2_eff_addr[64 - (`DC_SIZE - 3):63 - `CL_SIZE]),
|
|
.dcc_dir_ex3_cache_acc(dcc_dir_ex3_cache_acc),
|
|
.dcc_dir_ex3_pfetch_val(dcc_dir_ex3_pfetch_val),
|
|
.dcc_dir_ex3_lock_set(dcc_dir_ex3_lock_set),
|
|
.dcc_dir_ex3_th_c(dcc_dir_ex3_th_c),
|
|
.dcc_dir_ex3_watch_set(dcc_dir_ex3_watch_set),
|
|
.dcc_dir_ex3_larx_val(dcc_dir_ex3_larx_val),
|
|
.dcc_dir_ex3_watch_chk(dcc_dir_ex3_watch_chk),
|
|
.dcc_dir_ex4_load_val(dcc_dir_ex4_load_val),
|
|
.derat_dir_ex4_wimge_i(derat_dir_ex4_wimge_i),
|
|
|
|
// Execution Pipe Flush
|
|
.fgen_ex3_stg_flush(fgen_ex3_stg_flush),
|
|
.fgen_ex4_cp_flush(fgen_ex4_cp_flush),
|
|
.fgen_ex4_stg_flush(fgen_ex4_stg_flush),
|
|
.fgen_ex5_stg_flush(fgen_ex5_stg_flush),
|
|
|
|
// Directory Parity Error for Execution Pipe
|
|
.ex4_tag_perr_way(ex4_tag_perr_way),
|
|
.dat_ctl_dcarr_perr_way(dat_ctl_dcarr_perr_way),
|
|
|
|
// Tag Compares
|
|
.ex4_way_cmp_a(ex4_way_cmp_a),
|
|
.ex4_way_cmp_b(ex4_way_cmp_b),
|
|
.ex4_way_cmp_c(ex4_way_cmp_c),
|
|
.ex4_way_cmp_d(ex4_way_cmp_d),
|
|
.ex4_way_cmp_e(ex4_way_cmp_e),
|
|
.ex4_way_cmp_f(ex4_way_cmp_f),
|
|
.ex4_way_cmp_g(ex4_way_cmp_g),
|
|
.ex4_way_cmp_h(ex4_way_cmp_h),
|
|
|
|
// Commit Pipe
|
|
.stq3_way_cmp_a(stq3_way_cmp_a),
|
|
.stq3_way_cmp_b(stq3_way_cmp_b),
|
|
.stq3_way_cmp_c(stq3_way_cmp_c),
|
|
.stq3_way_cmp_d(stq3_way_cmp_d),
|
|
.stq3_way_cmp_e(stq3_way_cmp_e),
|
|
.stq3_way_cmp_f(stq3_way_cmp_f),
|
|
.stq3_way_cmp_g(stq3_way_cmp_g),
|
|
.stq3_way_cmp_h(stq3_way_cmp_h),
|
|
|
|
// Directory Parity Error for Store Commit Pipe
|
|
.stq3_tag_way_perr(stq3_tag_way_perr),
|
|
|
|
// Multihit Error Inject
|
|
.pc_lq_inj_dcachedir_ldp_multihit(pc_lq_inj_dcachedir_ldp_multihit),
|
|
.pc_lq_inj_dcachedir_stp_multihit(pc_lq_inj_dcachedir_stp_multihit),
|
|
|
|
// L1 Directory Contents
|
|
.dir_dcc_ex5_way_a_dir(dir_dcc_ex5_way_a_dir),
|
|
.dir_dcc_ex5_way_b_dir(dir_dcc_ex5_way_b_dir),
|
|
.dir_dcc_ex5_way_c_dir(dir_dcc_ex5_way_c_dir),
|
|
.dir_dcc_ex5_way_d_dir(dir_dcc_ex5_way_d_dir),
|
|
.dir_dcc_ex5_way_e_dir(dir_dcc_ex5_way_e_dir),
|
|
.dir_dcc_ex5_way_f_dir(dir_dcc_ex5_way_f_dir),
|
|
.dir_dcc_ex5_way_g_dir(dir_dcc_ex5_way_g_dir),
|
|
.dir_dcc_ex5_way_h_dir(dir_dcc_ex5_way_h_dir),
|
|
|
|
// L1 Directory Hits
|
|
.ex4_way_hit_a(ex4_way_hit_a),
|
|
.ex4_way_hit_b(ex4_way_hit_b),
|
|
.ex4_way_hit_c(ex4_way_hit_c),
|
|
.ex4_way_hit_d(ex4_way_hit_d),
|
|
.ex4_way_hit_e(ex4_way_hit_e),
|
|
.ex4_way_hit_f(ex4_way_hit_f),
|
|
.ex4_way_hit_g(ex4_way_hit_g),
|
|
.ex4_way_hit_h(ex4_way_hit_h),
|
|
|
|
// ex4 Execution Pipe Command Outputs
|
|
.ex4_miss(ex4_l1miss),
|
|
.ex4_hit(ex4_l1hit),
|
|
.dir_dcc_ex4_set_rel_coll(dir_dcc_ex4_set_rel_coll),
|
|
.dir_dcc_ex4_byp_restart(dir_dcc_ex4_byp_restart),
|
|
.dir_dcc_ex5_dir_perr_det(dir_dcc_ex5_dir_perr_det),
|
|
.dir_dcc_ex5_dc_perr_det(dir_dcc_ex5_dc_perr_det),
|
|
.dir_dcc_ex5_dir_perr_flush(dir_dcc_ex5_dir_perr_flush),
|
|
.dir_dcc_ex5_dc_perr_flush(dir_dcc_ex5_dc_perr_flush),
|
|
.dir_dcc_ex5_multihit_det(dir_dcc_ex5_multihit_det),
|
|
.dir_dcc_ex5_multihit_flush(dir_dcc_ex5_multihit_flush),
|
|
.dir_dcc_stq4_dir_perr_det(dir_dcc_stq4_dir_perr_det),
|
|
.dir_dcc_stq4_multihit_det(dir_dcc_stq4_multihit_det),
|
|
.dir_dcc_ex5_stp_flush(dir_dcc_ex5_stp_flush),
|
|
|
|
// Performance Events
|
|
.ctl_perv_dir_perf_events(ctl_perv_dir_perf_events),
|
|
|
|
// SPR status
|
|
.lq_xu_spr_xucr0_cslc_xuop(lq_xu_spr_xucr0_cslc_xuop),
|
|
.lq_xu_spr_xucr0_cslc_binv(lq_xu_spr_xucr0_cslc_binv),
|
|
|
|
// ex5 Execution Pipe Command Outputs
|
|
.dir_dcc_ex5_cr_rslt(dir_dcc_ex5_cr_rslt),
|
|
|
|
// stq4 Commit Pipe Command Outputs
|
|
.stq2_ddir_acc(stq2_ddir_acc),
|
|
.stq3_way_hit_a(stq3_way_hit_a),
|
|
.stq3_way_hit_b(stq3_way_hit_b),
|
|
.stq3_way_hit_c(stq3_way_hit_c),
|
|
.stq3_way_hit_d(stq3_way_hit_d),
|
|
.stq3_way_hit_e(stq3_way_hit_e),
|
|
.stq3_way_hit_f(stq3_way_hit_f),
|
|
.stq3_way_hit_g(stq3_way_hit_g),
|
|
.stq3_way_hit_h(stq3_way_hit_h),
|
|
.stq3_miss(stq3_miss),
|
|
.stq3_hit(stq3_hit),
|
|
.ctl_lsq_stq4_perr_reject(ctl_lsq_stq4_perr_reject),
|
|
.ctl_dat_stq5_way_perr_inval(ctl_dat_stq5_way_perr_inval),
|
|
|
|
// Way Valids for Replacement Algorithm
|
|
.rel_way_val_a(rel_way_val_a),
|
|
.rel_way_val_b(rel_way_val_b),
|
|
.rel_way_val_c(rel_way_val_c),
|
|
.rel_way_val_d(rel_way_val_d),
|
|
.rel_way_val_e(rel_way_val_e),
|
|
.rel_way_val_f(rel_way_val_f),
|
|
.rel_way_val_g(rel_way_val_g),
|
|
.rel_way_val_h(rel_way_val_h),
|
|
|
|
// Congruence Class Line Lock
|
|
.rel_way_lock_a(rel_way_lock_a),
|
|
.rel_way_lock_b(rel_way_lock_b),
|
|
.rel_way_lock_c(rel_way_lock_c),
|
|
.rel_way_lock_d(rel_way_lock_d),
|
|
.rel_way_lock_e(rel_way_lock_e),
|
|
.rel_way_lock_f(rel_way_lock_f),
|
|
.rel_way_lock_g(rel_way_lock_g),
|
|
.rel_way_lock_h(rel_way_lock_h),
|
|
|
|
//pervasive
|
|
.vdd(vdd),
|
|
.gnd(gnd),
|
|
.nclk(nclk),
|
|
.sg_0(sg_0),
|
|
.func_sl_thold_0_b(func_sl_thold_0_b),
|
|
.func_sl_force(func_sl_force),
|
|
.func_slp_sl_thold_0_b(func_slp_sl_thold_0_b),
|
|
.func_slp_sl_force(func_slp_sl_force),
|
|
.func_nsl_thold_0_b(func_nsl_thold_0_b),
|
|
.func_nsl_force(func_nsl_force),
|
|
.func_slp_nsl_thold_0_b(func_slp_nsl_thold_0_b),
|
|
.func_slp_nsl_force(func_slp_nsl_force),
|
|
.d_mode_dc(d_mode_dc),
|
|
.delay_lclkr_dc(delay_lclkr_dc),
|
|
.mpw1_dc_b(mpw1_dc_b),
|
|
.mpw2_dc_b(mpw2_dc_b),
|
|
.scan_in(scan_in[0:2]),
|
|
.scan_out(scan_out[0:2])
|
|
);
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// LRU Register Array
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
lq_dir_lru l1dcdl(
|
|
|
|
// ACT's
|
|
.dcc_dir_ex2_stg_act(dcc_dir_ex2_stg_act),
|
|
.dcc_dir_ex3_stg_act(dcc_dir_ex3_stg_act),
|
|
.dcc_dir_ex4_stg_act(dcc_dir_ex4_stg_act),
|
|
.dcc_dir_ex5_stg_act(dcc_dir_ex5_stg_act),
|
|
.dcc_dir_stq1_stg_act(dcc_dir_stq1_stg_act),
|
|
.dcc_dir_stq2_stg_act(dcc_dir_stq2_stg_act),
|
|
.dcc_dir_stq3_stg_act(dcc_dir_stq3_stg_act),
|
|
|
|
// Inputs
|
|
//Reload path
|
|
.lsq_ctl_stq1_val(lsq_ctl_stq1_val),
|
|
.lsq_ctl_stq2_blk_req(lsq_ctl_stq2_blk_req),
|
|
.lsq_ctl_stq1_ci(lsq_ctl_stq1_ci),
|
|
.lsq_ctl_stq1_addr(lsq_ctl_stq1_addr[64 - (`DC_SIZE - 3):63 - `CL_SIZE]),
|
|
.lsq_ctl_rel1_clr_val(lsq_ctl_rel1_clr_val),
|
|
.lsq_ctl_rel1_set_val(lsq_ctl_rel1_set_val),
|
|
.lsq_ctl_rel1_data_val(lsq_ctl_rel1_data_val),
|
|
.lsq_ctl_rel2_blk_req(lsq_ctl_rel2_blk_req),
|
|
.lsq_ctl_rel1_lock_set(lsq_ctl_rel1_lock_set),
|
|
.lsq_ctl_rel1_classid(lsq_ctl_rel1_classid),
|
|
.lsq_ctl_rel1_tag(lsq_ctl_rel1_tag),
|
|
.lsq_ctl_rel3_clr_relq(lsq_ctl_rel3_clr_relq),
|
|
.stq1_lru_upd(stq1_lru_upd),
|
|
|
|
// stq3 Commit Pipe Command Inputs
|
|
.stq3_way_hit_a(stq3_way_hit_a),
|
|
.stq3_way_hit_b(stq3_way_hit_b),
|
|
.stq3_way_hit_c(stq3_way_hit_c),
|
|
.stq3_way_hit_d(stq3_way_hit_d),
|
|
.stq3_way_hit_e(stq3_way_hit_e),
|
|
.stq3_way_hit_f(stq3_way_hit_f),
|
|
.stq3_way_hit_g(stq3_way_hit_g),
|
|
.stq3_way_hit_h(stq3_way_hit_h),
|
|
.stq3_hit(stq3_hit),
|
|
|
|
// Way Valids for Replacement Algorithm
|
|
.rel_way_val_a(rel_way_val_a),
|
|
.rel_way_val_b(rel_way_val_b),
|
|
.rel_way_val_c(rel_way_val_c),
|
|
.rel_way_val_d(rel_way_val_d),
|
|
.rel_way_val_e(rel_way_val_e),
|
|
.rel_way_val_f(rel_way_val_f),
|
|
.rel_way_val_g(rel_way_val_g),
|
|
.rel_way_val_h(rel_way_val_h),
|
|
|
|
// Congruence Class Line Lock
|
|
.rel_way_lock_a(rel_way_lock_a),
|
|
.rel_way_lock_b(rel_way_lock_b),
|
|
.rel_way_lock_c(rel_way_lock_c),
|
|
.rel_way_lock_d(rel_way_lock_d),
|
|
.rel_way_lock_e(rel_way_lock_e),
|
|
.rel_way_lock_f(rel_way_lock_f),
|
|
.rel_way_lock_g(rel_way_lock_g),
|
|
.rel_way_lock_h(rel_way_lock_h),
|
|
|
|
//Execution path
|
|
.ex2_eff_addr(ex2_eff_addr[64 - (`DC_SIZE - 3):63 - `CL_SIZE]),
|
|
.dcc_dir_ex3_cache_acc(dcc_dir_ex3_cache_acc),
|
|
.dcc_dir_ex3_lru_upd(dcc_dir_ex3_lru_upd),
|
|
.derat_dir_ex4_wimge_i(derat_dir_ex4_wimge_i),
|
|
|
|
// Way Hit for Execution Pipe
|
|
.ex4_way_hit_a(ex4_way_hit_a),
|
|
.ex4_way_hit_b(ex4_way_hit_b),
|
|
.ex4_way_hit_c(ex4_way_hit_c),
|
|
.ex4_way_hit_d(ex4_way_hit_d),
|
|
.ex4_way_hit_e(ex4_way_hit_e),
|
|
.ex4_way_hit_f(ex4_way_hit_f),
|
|
.ex4_way_hit_g(ex4_way_hit_g),
|
|
.ex4_way_hit_h(ex4_way_hit_h),
|
|
.ex4_hit(ex4_l1hit),
|
|
|
|
// SPR's
|
|
.dcc_dir_spr_xucr2_rmt(dcc_dir_spr_xucr2_rmt),
|
|
.spr_xucr0_dcdis(spr_xucr0_dcdis_q),
|
|
.xu_lq_spr_xucr0_wlk(xu_lq_spr_xucr0_wlk),
|
|
.spr_xucr0_cls(spr_xucr0_cls_q),
|
|
|
|
// Flush Signals
|
|
.fgen_ex3_stg_flush(fgen_ex3_stg_flush),
|
|
.fgen_ex4_stg_flush(fgen_ex4_stg_flush),
|
|
.fgen_ex5_stg_flush(fgen_ex5_stg_flush),
|
|
|
|
// Outputs
|
|
// Way Data Cache Write Enables on a Reload
|
|
.rel_way_wen_a(rel_way_wen_a),
|
|
.rel_way_wen_b(rel_way_wen_b),
|
|
.rel_way_wen_c(rel_way_wen_c),
|
|
.rel_way_wen_d(rel_way_wen_d),
|
|
.rel_way_wen_e(rel_way_wen_e),
|
|
.rel_way_wen_f(rel_way_wen_f),
|
|
.rel_way_wen_g(rel_way_wen_g),
|
|
.rel_way_wen_h(rel_way_wen_h),
|
|
|
|
// Way Directory Write Enables on a Reload
|
|
.rel_way_upd_a(rel_way_upd_a),
|
|
.rel_way_upd_b(rel_way_upd_b),
|
|
.rel_way_upd_c(rel_way_upd_c),
|
|
.rel_way_upd_d(rel_way_upd_d),
|
|
.rel_way_upd_e(rel_way_upd_e),
|
|
.rel_way_upd_f(rel_way_upd_f),
|
|
.rel_way_upd_g(rel_way_upd_g),
|
|
.rel_way_upd_h(rel_way_upd_h),
|
|
|
|
// Way Invalidate on a Reload
|
|
.rel_way_clr_a(rel_way_clr_a),
|
|
.rel_way_clr_b(rel_way_clr_b),
|
|
.rel_way_clr_c(rel_way_clr_c),
|
|
.rel_way_clr_d(rel_way_clr_d),
|
|
.rel_way_clr_e(rel_way_clr_e),
|
|
.rel_way_clr_f(rel_way_clr_f),
|
|
.rel_way_clr_g(rel_way_clr_g),
|
|
.rel_way_clr_h(rel_way_clr_h),
|
|
.rel3_dir_wr_val(rel3_dir_wr_val),
|
|
.rel3_dir_wr_addr(rel3_dir_wr_addr),
|
|
.dir_dcc_rel3_dcarr_upd(dir_dcc_rel3_dcarr_upd),
|
|
|
|
// Way Write Enable on a Reload for Data
|
|
.stq4_dcarr_way_en(stq4_dcarr_way_en),
|
|
|
|
// Directory LRU in EX5
|
|
.dir_dcc_ex5_dir_lru(dir_dcc_ex5_dir_lru),
|
|
|
|
// SPR Status
|
|
.lq_xu_spr_xucr0_clo(lq_xu_spr_xucr0_clo),
|
|
|
|
//pervasive
|
|
.vdd(vdd),
|
|
.gnd(gnd),
|
|
.nclk(nclk),
|
|
.sg_0(sg_0),
|
|
.func_sl_thold_0_b(func_sl_thold_0_b),
|
|
.func_sl_force(func_sl_force),
|
|
.func_nsl_thold_0_b(func_nsl_thold_0_b),
|
|
.func_nsl_force(func_nsl_force),
|
|
.d_mode_dc(d_mode_dc),
|
|
.delay_lclkr_dc(delay_lclkr_dc),
|
|
.mpw1_dc_b(mpw1_dc_b),
|
|
.mpw2_dc_b(mpw2_dc_b),
|
|
.scan_in(scan_in[3]),
|
|
.scan_out(scan_out[3])
|
|
);
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// Directory Tag Array
|
|
// 1) Contains an Array of Tags
|
|
// 2) Updates Tag on Reload
|
|
// 3) Contains Hit Logic
|
|
// 4) Outputs Way Hit indicators
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
lq_dir_tag #(.WAYDATASIZE(WAYDATASIZE), .PARBITS(PARBITS)) l1dcdt(
|
|
|
|
// Stage ACT Signals
|
|
.dcc_dir_binv3_ex3_stg_act(dcc_dir_binv3_ex3_stg_act),
|
|
.dcc_dir_stq1_stg_act(dcc_dir_stq1_stg_act),
|
|
.dcc_dir_stq2_stg_act(dcc_dir_stq2_stg_act),
|
|
.dcc_dir_stq3_stg_act(dcc_dir_stq3_stg_act),
|
|
|
|
// Reload Update Directory
|
|
.rel_way_upd_a(rel_way_upd_a),
|
|
.rel_way_upd_b(rel_way_upd_b),
|
|
.rel_way_upd_c(rel_way_upd_c),
|
|
.rel_way_upd_d(rel_way_upd_d),
|
|
.rel_way_upd_e(rel_way_upd_e),
|
|
.rel_way_upd_f(rel_way_upd_f),
|
|
.rel_way_upd_g(rel_way_upd_g),
|
|
.rel_way_upd_h(rel_way_upd_h),
|
|
|
|
// Back-Invalidate
|
|
.dcc_dir_ex2_binv_val(dcc_dir_ex2_binv_val),
|
|
|
|
// SPR Bits
|
|
.spr_xucr0_dcdis(spr_xucr0_dcdis_q),
|
|
|
|
// LQ Pipe
|
|
.dcc_dir_ex4_p_addr(dcc_dir_ex4_p_addr),
|
|
.dcc_dir_ex3_ddir_acc(dcc_dir_ex3_ddir_acc),
|
|
|
|
// Commit Pipe
|
|
.lsq_ctl_stq1_addr(lsq_ctl_stq1_addr),
|
|
.stq2_ddir_acc(stq2_ddir_acc),
|
|
|
|
// Error Inject
|
|
.pc_lq_inj_dcachedir_ldp_parity(pc_lq_inj_dcachedir_ldp_parity),
|
|
.pc_lq_inj_dcachedir_stp_parity(pc_lq_inj_dcachedir_stp_parity),
|
|
|
|
// L1 Directory Read Interface
|
|
.dir_arr_rd_data0(dir_arr_rd_data0),
|
|
.dir_arr_rd_data1(dir_arr_rd_data1),
|
|
|
|
// L1 Directory Write Interface
|
|
.dir_arr_wr_way(dir_arr_wr_way_int),
|
|
.dir_arr_wr_addr(dir_arr_wr_addr_int),
|
|
.dir_arr_wr_data(dir_arr_wr_data),
|
|
|
|
// LQ Pipe
|
|
.ex4_way_cmp_a(ex4_way_cmp_a),
|
|
.ex4_way_cmp_b(ex4_way_cmp_b),
|
|
.ex4_way_cmp_c(ex4_way_cmp_c),
|
|
.ex4_way_cmp_d(ex4_way_cmp_d),
|
|
.ex4_way_cmp_e(ex4_way_cmp_e),
|
|
.ex4_way_cmp_f(ex4_way_cmp_f),
|
|
.ex4_way_cmp_g(ex4_way_cmp_g),
|
|
.ex4_way_cmp_h(ex4_way_cmp_h),
|
|
.ex4_tag_perr_way(ex4_tag_perr_way),
|
|
|
|
// L1 Directory Contents
|
|
.dir_dcc_ex4_way_tag_a(dir_dcc_ex4_way_tag_a),
|
|
.dir_dcc_ex4_way_tag_b(dir_dcc_ex4_way_tag_b),
|
|
.dir_dcc_ex4_way_tag_c(dir_dcc_ex4_way_tag_c),
|
|
.dir_dcc_ex4_way_tag_d(dir_dcc_ex4_way_tag_d),
|
|
.dir_dcc_ex4_way_tag_e(dir_dcc_ex4_way_tag_e),
|
|
.dir_dcc_ex4_way_tag_f(dir_dcc_ex4_way_tag_f),
|
|
.dir_dcc_ex4_way_tag_g(dir_dcc_ex4_way_tag_g),
|
|
.dir_dcc_ex4_way_tag_h(dir_dcc_ex4_way_tag_h),
|
|
.dir_dcc_ex4_way_par_a(dir_dcc_ex4_way_par_a),
|
|
.dir_dcc_ex4_way_par_b(dir_dcc_ex4_way_par_b),
|
|
.dir_dcc_ex4_way_par_c(dir_dcc_ex4_way_par_c),
|
|
.dir_dcc_ex4_way_par_d(dir_dcc_ex4_way_par_d),
|
|
.dir_dcc_ex4_way_par_e(dir_dcc_ex4_way_par_e),
|
|
.dir_dcc_ex4_way_par_f(dir_dcc_ex4_way_par_f),
|
|
.dir_dcc_ex4_way_par_g(dir_dcc_ex4_way_par_g),
|
|
.dir_dcc_ex4_way_par_h(dir_dcc_ex4_way_par_h),
|
|
|
|
// Commit Pipe
|
|
.stq3_way_cmp_a(stq3_way_cmp_a),
|
|
.stq3_way_cmp_b(stq3_way_cmp_b),
|
|
.stq3_way_cmp_c(stq3_way_cmp_c),
|
|
.stq3_way_cmp_d(stq3_way_cmp_d),
|
|
.stq3_way_cmp_e(stq3_way_cmp_e),
|
|
.stq3_way_cmp_f(stq3_way_cmp_f),
|
|
.stq3_way_cmp_g(stq3_way_cmp_g),
|
|
.stq3_way_cmp_h(stq3_way_cmp_h),
|
|
.stq3_tag_way_perr(stq3_tag_way_perr),
|
|
|
|
.vdd(vdd),
|
|
.gnd(gnd),
|
|
.nclk(nclk),
|
|
.sg_0(sg_0),
|
|
.func_sl_thold_0_b(func_sl_thold_0_b),
|
|
.func_sl_force(func_sl_force),
|
|
.func_slp_sl_thold_0_b(func_slp_sl_thold_0_b),
|
|
.func_slp_sl_force(func_slp_sl_force),
|
|
.d_mode_dc(d_mode_dc),
|
|
.delay_lclkr_dc(delay_lclkr_dc),
|
|
.mpw1_dc_b(mpw1_dc_b),
|
|
.mpw2_dc_b(mpw2_dc_b),
|
|
.scan_in(scan_in[4]),
|
|
.scan_out(dir_tag_scanout)
|
|
);
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// Outputs
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
|
|
assign ctl_dat_ex4_way_hit = {ex4_way_hit_a, ex4_way_hit_b, ex4_way_hit_c, ex4_way_hit_d,
|
|
ex4_way_hit_e, ex4_way_hit_f, ex4_way_hit_g, ex4_way_hit_h};
|
|
|
|
assign dir_arr_wr_way = dir_arr_wr_way_int;
|
|
assign dir_arr_wr_addr = dir_arr_wr_addr_int;
|
|
|
|
assign dir_dcc_ex2_eff_addr = {ex2_eff_addr[(64 - (2 ** `GPR_WIDTH_ENC)):59], ex2_lwr_p_addr};
|
|
assign dir_dcc_stq3_hit = stq3_hit;
|
|
assign dir_dcc_ex4_hit = ex4_l1hit;
|
|
assign dir_dcc_ex4_miss = ex4_l1miss;
|
|
|
|
assign dir_dec_rel3_dir_wr_val = rel3_dir_wr_val;
|
|
assign dir_dec_rel3_dir_wr_addr = rel3_dir_wr_addr;
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
// Registers
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
tri_rlmlatch_p #(.INIT(0), .NEEDS_SRESET(1)) rel4_dir_wr_val_reg(
|
|
.vd(vdd),
|
|
.gd(gnd),
|
|
.nclk(nclk),
|
|
.act(tiup),
|
|
.force_t(func_sl_force),
|
|
.d_mode(d_mode_dc),
|
|
.delay_lclkr(delay_lclkr_dc),
|
|
.mpw1_b(mpw1_dc_b),
|
|
.mpw2_b(mpw2_dc_b),
|
|
.thold_b(func_sl_thold_0_b),
|
|
.sg(sg_0),
|
|
.scin(siv[rel4_dir_wr_val_offset]),
|
|
.scout(sov[rel4_dir_wr_val_offset]),
|
|
.din(rel4_dir_wr_val_d),
|
|
.dout(rel4_dir_wr_val_q)
|
|
);
|
|
|
|
tri_rlmlatch_p #(.INIT(0), .NEEDS_SRESET(1)) spr_xucr0_dcdis_reg(
|
|
.vd(vdd),
|
|
.gd(gnd),
|
|
.nclk(nclk),
|
|
.act(tiup),
|
|
.force_t(func_sl_force),
|
|
.d_mode(d_mode_dc),
|
|
.delay_lclkr(delay_lclkr_dc),
|
|
.mpw1_b(mpw1_dc_b),
|
|
.mpw2_b(mpw2_dc_b),
|
|
.thold_b(func_sl_thold_0_b),
|
|
.sg(sg_0),
|
|
.scin(siv[spr_xucr0_dcdis_offset]),
|
|
.scout(sov[spr_xucr0_dcdis_offset]),
|
|
.din(spr_xucr0_dcdis_d),
|
|
.dout(spr_xucr0_dcdis_q)
|
|
);
|
|
|
|
tri_rlmlatch_p #(.INIT(0), .NEEDS_SRESET(1)) spr_xucr0_cls_reg(
|
|
.vd(vdd),
|
|
.gd(gnd),
|
|
.nclk(nclk),
|
|
.act(tiup),
|
|
.force_t(func_sl_force),
|
|
.d_mode(d_mode_dc),
|
|
.delay_lclkr(delay_lclkr_dc),
|
|
.mpw1_b(mpw1_dc_b),
|
|
.mpw2_b(mpw2_dc_b),
|
|
.thold_b(func_sl_thold_0_b),
|
|
.sg(sg_0),
|
|
.scin(siv[spr_xucr0_cls_offset]),
|
|
.scout(sov[spr_xucr0_cls_offset]),
|
|
.din(spr_xucr0_cls_d),
|
|
.dout(spr_xucr0_cls_q)
|
|
);
|
|
|
|
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
|
|
assign siv[0:scan_right] = {sov[1:scan_right], dir_tag_scanout};
|
|
assign scan_out[4] = sov[0];
|
|
|
|
endmodule
|