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a2o/dev/verilog/work/fu_dcd.v

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add dev
2 years ago
// © IBM Corp. 2020
// Licensed under the Apache License, Version 2.0 (the "License"), as modified by
// the terms below; you may not use the files in this repository except in
// compliance with the License as modified.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//
// Modified Terms:
//
// 1) For the purpose of the patent license granted to you in Section 3 of the
// License, the "Work" hereby includes implementations of the work of authorship
// in physical form.
//
// 2) Notwithstanding any terms to the contrary in the License, any licenses
// necessary for implementation of the Work that are available from OpenPOWER
// via the Power ISA End User License Agreement (EULA) are explicitly excluded
// hereunder, and may be obtained from OpenPOWER under the terms and conditions
// of the EULA.
//
// Unless required by applicable law or agreed to in writing, the reference design
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
// for the specific language governing permissions and limitations under the License.
//
// Additional rights, including the ability to physically implement a softcore that
// is compliant with the required sections of the Power ISA Specification, are
// available at no cost under the terms of the OpenPOWER Power ISA EULA, which can be
// obtained (along with the Power ISA) here: https://openpowerfoundation.org.
`timescale 1 ns / 1 ns
//*****************************************************************************
//*
//* TITLE: F_DP_DCD
//*
//* NAME: fuq_dcd.vhdl
//*
//* DESC: This is Control and Decode
//*
//*****************************************************************************
yosys cleanup
2 years ago
`include "tri_a2o.vh"
add dev
2 years ago
module fu_dcd(
act_dis,
bcfg_scan_in,
ccfg_scan_in,
cfg_sl_thold_1,
func_slp_sl_thold_1,
clkoff_b,
cp_flush,
dcfg_scan_in,
debug_bus_in,
coretrace_ctrls_in,
debug_bus_out,
coretrace_ctrls_out,
f_dcd_perr_sm_running,
f_dcd_ex2_perr_force_c,
f_dcd_ex2_perr_fsel_ovrd,
delay_lclkr,
f_add_ex5_fpcc_iu,
f_dcd_si,
f_dsq_ex5_divsqrt_itag,
f_dsq_ex5_divsqrt_v,
f_dsq_ex6_divsqrt_cr_bf,
f_dsq_ex6_divsqrt_fpscr_addr,
f_dsq_ex6_divsqrt_instr_frt,
f_dsq_ex6_divsqrt_instr_tid,
f_dsq_ex6_divsqrt_record_v,
f_dsq_ex6_divsqrt_v,
f_dsq_ex6_divsqrt_v_suppress,
f_dcd_rv_hold_all,
f_dsq_ex3_hangcounter_trigger,
f_dsq_debug,
f_ex3_b_den_flush,
f_fpr_ex6_load_addr,
f_fpr_ex6_load_v,
f_fpr_ex6_reload_addr,
f_fpr_ex6_reload_v,
f_mad_ex3_a_parity_check,
f_mad_ex3_b_parity_check,
f_mad_ex3_c_parity_check,
f_mad_ex4_uc_res_sign,
f_mad_ex4_uc_round_mode,
f_mad_ex4_uc_special,
f_mad_ex4_uc_vxidi,
f_mad_ex4_uc_vxsnan,
f_mad_ex4_uc_vxsqrt,
f_mad_ex4_uc_vxzdz,
f_mad_ex4_uc_zx,
f_mad_ex7_uc_sign,
f_mad_ex7_uc_zero,
f_pic_ex6_fpr_wr_dis_b,
f_pic_ex6_scr_upd_move_b,
f_rnd_ex7_res_expo,
f_rnd_ex7_res_frac,
f_rnd_ex7_res_sign,
f_scr_cpl_fx_thread0,
f_scr_cpl_fx_thread1,
f_scr_ex8_cr_fld,
f_scr_ex8_fx_thread0,
f_scr_ex8_fx_thread1,
f_scr_ex6_fpscr_ni_thr0,
f_scr_ex6_fpscr_ni_thr1,
f_sto_ex3_s_parity_check,
flush,
iu_fu_rf0_tid,
iu_fu_rf0_fra,
iu_fu_rf0_fra_v,
iu_fu_rf0_frb,
iu_fu_rf0_frb_v,
iu_fu_rf0_frc,
iu_fu_rf0_frc_v,
iu_fu_rf0_instr_match,
mpw1_b,
mpw2_b,
nclk,
pc_fu_debug_mux_ctrls,
pc_fu_event_count_mode,
pc_fu_instr_trace_mode,
pc_fu_instr_trace_tid,
pc_fu_ram_active,
pc_fu_trace_bus_enable,
pc_fu_event_bus_enable,
event_bus_in,
event_bus_out,
rv_axu0_ex0_instr,
rv_axu0_ex0_t1_p,
rv_axu0_ex0_t1_v,
rv_axu0_ex0_t2_p,
rv_axu0_ex0_t3_p,
rv_axu0_ex0_ucode,
rv_axu0_ex0_itag,
rv_axu0_vld,
sg_1,
slowspr_addr_in,
slowspr_data_in,
slowspr_done_in,
slowspr_etid_in,
slowspr_rw_in,
slowspr_val_in,
thold_1,
lq_fu_ex5_abort,
xu_fu_ex4_eff_addr,
xu_fu_msr_fe0,
xu_fu_msr_fe1,
xu_fu_msr_fp,
xu_fu_msr_gs,
xu_fu_msr_pr,
gnd,
vdd,
axu0_cr_w4a,
axu0_cr_w4d,
axu0_cr_w4e,
axu0_iu_async_fex,
axu0_iu_exception,
axu0_iu_exception_val,
axu0_iu_execute_vld,
axu0_iu_flush2ucode,
axu0_iu_flush2ucode_type,
axu0_iu_itag,
axu0_iu_n_flush,
axu0_iu_n_np1_flush,
axu0_iu_np1_flush,
axu0_iu_perf_events,
axu0_rv_itag,
axu0_rv_itag_vld,
axu0_rv_itag_abort,
axu0_rv_ord_complete,
axu1_iu_exception,
axu1_iu_exception_val,
axu1_iu_execute_vld,
axu1_iu_flush2ucode,
axu1_iu_flush2ucode_type,
axu1_iu_itag,
axu1_iu_n_flush,
axu1_iu_np1_flush,
axu1_iu_perf_events,
axu1_rv_itag,
axu1_rv_itag_vld,
axu1_rv_itag_abort,
bcfg_scan_out,
ccfg_scan_out,
dcfg_scan_out,
f_dcd_msr_fp_act,
f_dcd_ex1_sto_act,
f_dcd_ex1_mad_act,
f_dcd_ex1_aop_valid,
f_dcd_ex1_bop_valid,
f_dcd_ex1_thread,
f_dcd_ex1_bypsel_a_load0,
f_dcd_ex1_bypsel_a_load1,
f_dcd_ex1_bypsel_a_load2,
f_dcd_ex1_bypsel_a_reload0,
f_dcd_ex1_bypsel_a_reload1,
f_dcd_ex1_bypsel_a_reload2,
f_dcd_ex1_bypsel_a_res0,
f_dcd_ex1_bypsel_a_res1,
f_dcd_ex1_bypsel_a_res2,
f_dcd_ex1_bypsel_b_load0,
f_dcd_ex1_bypsel_b_load1,
f_dcd_ex1_bypsel_b_load2,
f_dcd_ex1_bypsel_b_reload0,
f_dcd_ex1_bypsel_b_reload1,
f_dcd_ex1_bypsel_b_reload2,
f_dcd_ex1_bypsel_b_res0,
f_dcd_ex1_bypsel_b_res1,
f_dcd_ex1_bypsel_b_res2,
f_dcd_ex1_bypsel_c_load0,
f_dcd_ex1_bypsel_c_load1,
f_dcd_ex1_bypsel_c_load2,
f_dcd_ex1_bypsel_c_reload0,
f_dcd_ex1_bypsel_c_reload1,
f_dcd_ex1_bypsel_c_reload2,
f_dcd_ex1_bypsel_c_res0,
f_dcd_ex1_bypsel_c_res1,
f_dcd_ex1_bypsel_c_res2,
f_dcd_ex1_bypsel_s_load0,
f_dcd_ex1_bypsel_s_load1,
f_dcd_ex1_bypsel_s_load2,
f_dcd_ex1_bypsel_s_reload0,
f_dcd_ex1_bypsel_s_reload1,
f_dcd_ex1_bypsel_s_reload2,
f_dcd_ex1_bypsel_s_res0,
f_dcd_ex1_bypsel_s_res1,
f_dcd_ex1_bypsel_s_res2,
f_dcd_ex1_compare_b,
f_dcd_ex1_cop_valid,
f_dcd_ex1_divsqrt_cr_bf,
f_dcd_axucr0_deno,
f_dcd_ex1_emin_dp,
f_dcd_ex1_emin_sp,
f_dcd_ex1_est_recip_b,
f_dcd_ex1_est_rsqrt_b,
f_dcd_ex1_force_excp_dis,
f_dcd_ex1_force_pass_b,
f_dcd_ex1_fpscr_addr,
f_dcd_ex1_fpscr_bit_data_b,
f_dcd_ex1_fpscr_bit_mask_b,
f_dcd_ex1_fpscr_nib_mask_b,
f_dcd_ex1_from_integer_b,
f_dcd_ex1_frsp_b,
f_dcd_ex1_fsel_b,
f_dcd_ex1_ftdiv,
f_dcd_ex1_ftsqrt,
f_dcd_ex1_instr_frt,
f_dcd_ex1_instr_tid,
f_dcd_ex1_inv_sign_b,
f_dcd_ex1_itag,
f_dcd_ex1_log2e_b,
f_dcd_ex1_math_b,
f_dcd_ex1_mcrfs_b,
f_dcd_ex1_move_b,
f_dcd_ex1_mtfsbx_b,
f_dcd_ex1_mtfsf_b,
f_dcd_ex1_mtfsfi_b,
f_dcd_ex1_mv_from_scr_b,
f_dcd_ex1_mv_to_scr_b,
f_dcd_ex1_nj_deni,
f_dcd_ex1_nj_deno,
f_dcd_ex1_op_rnd_b,
f_dcd_ex1_op_rnd_v_b,
f_dcd_ex1_ordered_b,
f_dcd_ex1_pow2e_b,
f_dcd_ex1_prenorm_b,
f_dcd_ex1_rnd_to_int_b,
f_dcd_ex1_sgncpy_b,
f_dcd_ex1_sign_ctl_b,
f_dcd_ex1_sp,
f_dcd_ex1_sp_conv_b,
f_dcd_ex1_sto_dp,
f_dcd_ex1_sto_sp,
f_dcd_ex1_sto_wd,
f_dcd_ex1_sub_op_b,
f_dcd_ex1_thread_b,
f_dcd_ex1_to_integer_b,
f_dcd_ex1_uc_end,
f_dcd_ex1_uc_fa_pos,
f_dcd_ex1_uc_fb_0_5,
f_dcd_ex1_uc_fb_0_75,
f_dcd_ex1_uc_fb_1_0,
f_dcd_ex1_uc_fb_pos,
f_dcd_ex1_uc_fc_0_5,
f_dcd_ex1_uc_fc_1_0,
f_dcd_ex1_uc_fc_1_minus,
f_dcd_ex1_uc_fc_hulp,
f_dcd_ex1_uc_fc_pos,
f_dcd_ex1_uc_ft_neg,
f_dcd_ex1_uc_ft_pos,
f_dcd_ex1_uc_mid,
f_dcd_ex1_uc_special,
f_dcd_ex1_uns_b,
f_dcd_ex1_word_b,
f_dcd_ex2_divsqrt_v,
f_dcd_ex2_divsqrt_hole_v,
f_dcd_ex3_uc_gs,
f_dcd_ex3_uc_gs_v,
f_dcd_ex3_uc_inc_lsb,
f_dcd_ex3_uc_vxidi,
f_dcd_ex3_uc_vxsnan,
f_dcd_ex3_uc_vxsqrt,
f_dcd_ex3_uc_vxzdz,
f_dcd_ex3_uc_zx,
f_dcd_ex6_frt_tid,
f_dcd_ex7_cancel,
f_dcd_ex7_fpscr_addr,
f_dcd_ex7_fpscr_wr,
f_dcd_ex7_frt_addr,
f_dcd_ex7_frt_tid,
f_dcd_ex7_frt_wen,
f_dcd_flush,
f_dcd_rf0_fra,
f_dcd_rf0_frb,
f_dcd_rf0_frc,
f_dcd_rf0_tid,
f_dcd_ex0_div,
f_dcd_ex0_divs,
f_dcd_ex0_record_v,
f_dcd_ex0_sqrt,
f_dcd_ex0_sqrts,
f_dcd_ex1_sto_v,
f_dcd_so,
fu_lq_ex2_store_data_val,
fu_lq_ex2_store_itag,
fu_lq_ex3_abort,
fu_lq_ex3_sto_parity_err,
axu0_rv_ex2_s1_abort,
axu0_rv_ex2_s2_abort,
axu0_rv_ex2_s3_abort,
fu_pc_err_regfile_parity,
fu_pc_err_regfile_ue,
fu_pc_ram_data,
fu_pc_ram_data_val,
slowspr_addr_out,
slowspr_data_out,
slowspr_done_out,
slowspr_etid_out,
slowspr_rw_out,
slowspr_val_out,
rf0_act_b
);
parameter EFF_IFAR = 62;
parameter ITAG_SIZE_ENC = 7;
parameter THREAD_POOL_ENC = 1;
parameter CR_POOL_ENC = 5;
parameter REGMODE = 6; //32 or 64 bit mode
// INPUTS
input act_dis;
input bcfg_scan_in;
input ccfg_scan_in;
input cfg_sl_thold_1;
input func_slp_sl_thold_1;
input clkoff_b; // tiup
input [0:`THREADS-1] cp_flush;
input dcfg_scan_in;
// Pass Thru Debug Trace Bus
input [0:31] debug_bus_in;
input [0:3] coretrace_ctrls_in;
output [0:31] debug_bus_out;
output [0:3] coretrace_ctrls_out;
output f_dcd_perr_sm_running;
output f_dcd_ex2_perr_force_c;
output f_dcd_ex2_perr_fsel_ovrd;
input [0:9] delay_lclkr; // tidn,
input [0:3] f_add_ex5_fpcc_iu;
input f_dcd_si;
input [0:6] f_dsq_ex5_divsqrt_itag;
input [0:1] f_dsq_ex5_divsqrt_v;
input [0:4] f_dsq_ex6_divsqrt_cr_bf;
input [0:5] f_dsq_ex6_divsqrt_fpscr_addr;
input [0:5] f_dsq_ex6_divsqrt_instr_frt;
input [0:3] f_dsq_ex6_divsqrt_instr_tid;
input f_dsq_ex6_divsqrt_record_v;
input [0:1] f_dsq_ex6_divsqrt_v;
input f_dsq_ex6_divsqrt_v_suppress;
input [0:63] f_dsq_debug;
input f_dsq_ex3_hangcounter_trigger;
output f_dcd_rv_hold_all;
input f_ex3_b_den_flush;
input [0:7] f_fpr_ex6_load_addr;
input f_fpr_ex6_load_v;
input [0:7] f_fpr_ex6_reload_addr;
input f_fpr_ex6_reload_v;
input f_mad_ex3_a_parity_check;
input f_mad_ex3_b_parity_check;
input f_mad_ex3_c_parity_check;
input f_mad_ex4_uc_res_sign;
input [0:1] f_mad_ex4_uc_round_mode;
input f_mad_ex4_uc_special;
input f_mad_ex4_uc_vxidi;
input f_mad_ex4_uc_vxsnan;
input f_mad_ex4_uc_vxsqrt;
input f_mad_ex4_uc_vxzdz;
input f_mad_ex4_uc_zx;
input f_mad_ex7_uc_sign;
input f_mad_ex7_uc_zero;
input f_pic_ex6_fpr_wr_dis_b;
input f_pic_ex6_scr_upd_move_b;
input [1:13] f_rnd_ex7_res_expo;
input [0:52] f_rnd_ex7_res_frac;
input f_rnd_ex7_res_sign;
input [0:3] f_scr_cpl_fx_thread0;
input [0:3] f_scr_cpl_fx_thread1;
input [0:3] f_scr_ex8_cr_fld;
input [0:3] f_scr_ex8_fx_thread0;
input [0:3] f_scr_ex8_fx_thread1;
input f_scr_ex6_fpscr_ni_thr0;
input f_scr_ex6_fpscr_ni_thr1;
input f_sto_ex3_s_parity_check;
input flush; // ??tidn??
input [0:`THREADS-1] iu_fu_rf0_tid;
input [0:5] iu_fu_rf0_fra;
input iu_fu_rf0_fra_v;
input [0:5] iu_fu_rf0_frb;
input iu_fu_rf0_frb_v;
input [0:5] iu_fu_rf0_frc;
input iu_fu_rf0_frc_v;
input iu_fu_rf0_instr_match;
input [0:9] mpw1_b;
input [0:1] mpw2_b;
input [0:`NCLK_WIDTH-1] nclk;
input [0:10] pc_fu_debug_mux_ctrls;
input [0:2] pc_fu_event_count_mode;
input pc_fu_instr_trace_mode;
input [0:1] pc_fu_instr_trace_tid;
input [0:`THREADS-1] pc_fu_ram_active;
input pc_fu_trace_bus_enable;
input pc_fu_event_bus_enable;
input [0:4*`THREADS-1] event_bus_in;
output [0:4*`THREADS-1] event_bus_out;
input [0:31] rv_axu0_ex0_instr;
input [0:5] rv_axu0_ex0_t1_p;
input rv_axu0_ex0_t1_v;
input [0:5] rv_axu0_ex0_t2_p;
input [0:5] rv_axu0_ex0_t3_p;
input [0:2] rv_axu0_ex0_ucode;
input [0:6] rv_axu0_ex0_itag;
input [0:`THREADS-1] rv_axu0_vld;
input sg_1;
input [0:9] slowspr_addr_in;
input [64-(2**REGMODE):63] slowspr_data_in;
input slowspr_done_in;
input [0:1] slowspr_etid_in;
input slowspr_rw_in;
input slowspr_val_in;
input thold_1;
input [59:63] xu_fu_ex4_eff_addr;
input [0:`THREADS-1] xu_fu_msr_fe0;
input [0:`THREADS-1] xu_fu_msr_fe1;
input [0:`THREADS-1] xu_fu_msr_fp;
input [0:`THREADS-1] xu_fu_msr_gs;
input [0:`THREADS-1] xu_fu_msr_pr;
input lq_fu_ex5_abort;
// INOUTS
inout gnd;
inout vdd;
// OUTPUTS
output [0:CR_POOL_ENC+THREAD_POOL_ENC-1] axu0_cr_w4a; //: out std_ulogic_vector(0 to 4);
output [0:3] axu0_cr_w4d;
output axu0_cr_w4e;
output [0:`THREADS-1] axu0_iu_async_fex;
output [0:3] axu0_iu_exception;
output axu0_iu_exception_val;
output [0:`THREADS-1] axu0_iu_execute_vld;
output axu0_iu_flush2ucode;
output axu0_iu_flush2ucode_type;
output [0:6] axu0_iu_itag;
output axu0_iu_n_flush;
output axu0_iu_n_np1_flush;
output axu0_iu_np1_flush;
output [0:6] axu0_rv_itag;
output [0:`THREADS-1] axu0_rv_itag_vld;
output axu0_rv_itag_abort;
output axu0_rv_ord_complete;
output [0:3] axu0_iu_perf_events;
output [0:3] axu1_iu_exception;
output axu1_iu_exception_val;
output [0:`THREADS-1] axu1_iu_execute_vld;
output axu1_iu_flush2ucode;
output axu1_iu_flush2ucode_type;
output [0:6] axu1_iu_itag;
output axu1_iu_n_flush;
output axu1_iu_np1_flush;
output [0:6] axu1_rv_itag;
output [0:`THREADS-1] axu1_rv_itag_vld;
output axu1_rv_itag_abort;
output [0:3] axu1_iu_perf_events;
output bcfg_scan_out;
output ccfg_scan_out;
output dcfg_scan_out;
output f_dcd_ex1_sto_act;
output f_dcd_ex1_mad_act;
output f_dcd_msr_fp_act;
output f_dcd_ex1_aop_valid;
output f_dcd_ex1_bop_valid;
output [0:1] f_dcd_ex1_thread;
output f_dcd_ex1_bypsel_a_load0;
output f_dcd_ex1_bypsel_a_load1;
output f_dcd_ex1_bypsel_a_load2;
output f_dcd_ex1_bypsel_a_reload0;
output f_dcd_ex1_bypsel_a_reload1;
output f_dcd_ex1_bypsel_a_reload2;
output f_dcd_ex1_bypsel_a_res0;
output f_dcd_ex1_bypsel_a_res1;
output f_dcd_ex1_bypsel_a_res2;
output f_dcd_ex1_bypsel_b_load0;
output f_dcd_ex1_bypsel_b_load1;
output f_dcd_ex1_bypsel_b_load2;
output f_dcd_ex1_bypsel_b_reload0;
output f_dcd_ex1_bypsel_b_reload1;
output f_dcd_ex1_bypsel_b_reload2;
output f_dcd_ex1_bypsel_b_res0;
output f_dcd_ex1_bypsel_b_res1;
output f_dcd_ex1_bypsel_b_res2;
output f_dcd_ex1_bypsel_c_load0;
output f_dcd_ex1_bypsel_c_load1;
output f_dcd_ex1_bypsel_c_load2;
output f_dcd_ex1_bypsel_c_reload0;
output f_dcd_ex1_bypsel_c_reload1;
output f_dcd_ex1_bypsel_c_reload2;
output f_dcd_ex1_bypsel_c_res0;
output f_dcd_ex1_bypsel_c_res1;
output f_dcd_ex1_bypsel_c_res2;
output f_dcd_ex1_bypsel_s_load0;
output f_dcd_ex1_bypsel_s_load1;
output f_dcd_ex1_bypsel_s_load2;
output f_dcd_ex1_bypsel_s_reload0;
output f_dcd_ex1_bypsel_s_reload1;
output f_dcd_ex1_bypsel_s_reload2;
output f_dcd_ex1_bypsel_s_res0;
output f_dcd_ex1_bypsel_s_res1;
output f_dcd_ex1_bypsel_s_res2;
output f_dcd_ex1_compare_b; // fcomp*
output f_dcd_ex1_cop_valid;
output [0:4] f_dcd_ex1_divsqrt_cr_bf;
output f_dcd_axucr0_deno;
output f_dcd_ex1_emin_dp; // prenorm_dp
output f_dcd_ex1_emin_sp; // prenorm_sp, frsp
output f_dcd_ex1_est_recip_b; // fres
output f_dcd_ex1_est_rsqrt_b; // frsqrte
output f_dcd_ex1_force_excp_dis; // force all exceptions disabled
output f_dcd_ex1_force_pass_b; // fmr,fnabbs,fabs,fneg,mtfsf
output [0:5] f_dcd_ex1_fpscr_addr;
output [0:3] f_dcd_ex1_fpscr_bit_data_b; //data to write to nibble (other than mtfsf)
output [0:3] f_dcd_ex1_fpscr_bit_mask_b; //enable update of bit within the nibble
output [0:8] f_dcd_ex1_fpscr_nib_mask_b; //enable update of this nibble
output f_dcd_ex1_from_integer_b; // fcfid (signed integer)
output f_dcd_ex1_frsp_b; // round-to-single-precision ?? need
output f_dcd_ex1_fsel_b; // fsel
output f_dcd_ex1_ftdiv;
output f_dcd_ex1_ftsqrt;
output [0:5] f_dcd_ex1_instr_frt;
output [0:3] f_dcd_ex1_instr_tid;
output f_dcd_ex1_inv_sign_b; // fnmsub fnmadd
output [0:6] f_dcd_ex1_itag;
output f_dcd_ex1_log2e_b;
output f_dcd_ex1_math_b; // fmul,fmad,fmsub,fadd,fsub,fnmsub,fnmadd
output f_dcd_ex1_mcrfs_b; //move fpscr field to cr and reset exceptions
output f_dcd_ex1_move_b; // fmr,fneg,fabs,fnabs
output f_dcd_ex1_mtfsbx_b; //fpscr set bit, reset bit
output f_dcd_ex1_mtfsf_b; //move fpr data to fpscr
output f_dcd_ex1_mtfsfi_b; //move immediate data to fpscr
output f_dcd_ex1_mv_from_scr_b; //mffs
output f_dcd_ex1_mv_to_scr_b; //mcrfs,mtfsf,mtfsfi,mtfsb0,mtfsb1
output f_dcd_ex1_nj_deni; // force input den to zero
output f_dcd_ex1_nj_deno; // force output den to zero
output [0:1] f_dcd_ex1_op_rnd_b; // rounding mode = positive infinity
output f_dcd_ex1_op_rnd_v_b; // rounding mode = nearest
output f_dcd_ex1_ordered_b; // fcompo
output f_dcd_ex1_pow2e_b;
output f_dcd_ex1_prenorm_b; // prenorm ?? need
output f_dcd_ex1_rnd_to_int_b; // fri*
output f_dcd_ex1_sgncpy_b; // for sgncpy instruction :
output [0:1] f_dcd_ex1_sign_ctl_b; // 0:fmr/fnabs 1:fneg/fnabs
output f_dcd_ex1_sp; // off for frsp
output f_dcd_ex1_sp_conv_b; // for sp/dp convert
output f_dcd_ex1_sto_dp;
output f_dcd_ex1_sto_sp;
output f_dcd_ex1_sto_wd;
output f_dcd_ex1_sub_op_b; // fsub, fnmsub, fmsub
output [0:3] f_dcd_ex1_thread_b;
output f_dcd_ex1_to_integer_b; // fcti* (signed integer 32/64)
output f_dcd_ex1_uc_end;
output f_dcd_ex1_uc_fa_pos;
output f_dcd_ex1_uc_fb_0_5;
output f_dcd_ex1_uc_fb_0_75;
output f_dcd_ex1_uc_fb_1_0;
output f_dcd_ex1_uc_fb_pos;
output f_dcd_ex1_uc_fc_0_5;
output f_dcd_ex1_uc_fc_1_0;
output f_dcd_ex1_uc_fc_1_minus;
output f_dcd_ex1_uc_fc_hulp;
output f_dcd_ex1_uc_fc_pos;
output f_dcd_ex1_uc_ft_neg;
output f_dcd_ex1_uc_ft_pos;
output f_dcd_ex1_uc_mid;
output f_dcd_ex1_uc_special;
output f_dcd_ex1_uns_b; // for converts unsigned
output f_dcd_ex1_word_b; // fctiw*
output f_dcd_ex2_divsqrt_v;
output f_dcd_ex2_divsqrt_hole_v;
output [0:1] f_dcd_ex3_uc_gs;
output f_dcd_ex3_uc_gs_v;
output f_dcd_ex3_uc_inc_lsb;
output f_dcd_ex3_uc_vxidi;
output f_dcd_ex3_uc_vxsnan;
output f_dcd_ex3_uc_vxsqrt;
output f_dcd_ex3_uc_vxzdz;
output f_dcd_ex3_uc_zx;
output [0:1] f_dcd_ex6_frt_tid;
output f_dcd_ex7_cancel;
output [0:5] f_dcd_ex7_fpscr_addr;
output f_dcd_ex7_fpscr_wr;
output [0:5] f_dcd_ex7_frt_addr;
output [0:1] f_dcd_ex7_frt_tid;
output f_dcd_ex7_frt_wen;
output [0:1] f_dcd_flush;
output [0:5] f_dcd_rf0_fra;
output [0:5] f_dcd_rf0_frb;
output [0:5] f_dcd_rf0_frc;
output [0:1] f_dcd_rf0_tid;
output f_dcd_ex0_div;
output f_dcd_ex0_divs;
output f_dcd_ex0_record_v;
output f_dcd_ex0_sqrt;
output f_dcd_ex0_sqrts;
output f_dcd_ex1_sto_v;
output f_dcd_so;
output [0:`THREADS-1] fu_lq_ex2_store_data_val;
output [0:ITAG_SIZE_ENC-1] fu_lq_ex2_store_itag;
output fu_lq_ex3_abort;
output fu_lq_ex3_sto_parity_err;
output axu0_rv_ex2_s1_abort;
output axu0_rv_ex2_s2_abort;
output axu0_rv_ex2_s3_abort;
output [0:`THREADS-1] fu_pc_err_regfile_parity;
output [0:`THREADS-1] fu_pc_err_regfile_ue;
output [0:63] fu_pc_ram_data;
output fu_pc_ram_data_val;
output [0:9] slowspr_addr_out;
output [64-(2**REGMODE):63] slowspr_data_out;
output slowspr_done_out;
output [0:1] slowspr_etid_out;
output slowspr_rw_out;
output slowspr_val_out;
output rf0_act_b;
// This entity contains macros
// ###################### CONSTANTS ###################### --
parameter [32:63] EVENTMUX_32_MASK = 32'b11111111111111111111111111111111;
// ####################### SIGNALS ####################### --
wire [0:7] act_lat_si;
wire [0:7] act_lat_so;
wire [0:3] axu_ex_si;
wire [0:3] axu_ex_so;
wire cp_flush_reg0_si;
wire cp_flush_reg0_so;
wire cp_flush_reg1_si;
wire cp_flush_reg1_so;
wire axucr0_dec;
wire [60:63] axucr0_din;
wire [0:3] axucr0_lat_si;
wire [0:3] axucr0_lat_so;
wire [60:63] axucr0_q;
wire [32:63] axucr0_out;
wire axucr0_rd;
wire axucr0_wr;
wire a0esr_dec;
wire [32:63] a0esr_din;
wire [0:31] a0esr_lat_si;
wire [0:31] a0esr_lat_so;
wire [32:63] a0esr_q;
wire a0esr_rd;
wire a0esr_wr;
wire [0:31] a0esr_event_mux_ctrls;
wire cfg_sl_force;
wire cfg_sl_thold_0;
wire cfg_sl_thold_0_b;
wire [0:1] cp_flush_q;
wire [0:1] cp_flush_int;
wire dbg0_act;
wire event_act;
wire [0:67] dbg0_data_si;
wire [0:67] dbg0_data_so;
wire [0:4] dbg1_data_si;
wire [0:4] dbg1_data_so;
wire [0:63] dbg_group0;
wire [0:63] dbg_group1;
wire [0:63] dbg_group2;
wire [0:63] dbg_group3;
wire [0:31] dbg_group3_din;
wire [0:31] dbg_group3_q;
wire [0:31] debug_data_d;
wire [0:31] debug_data_q;
wire [0:10] debug_mux_ctrls_muxed;
wire [0:10] debug_mux_ctrls_q;
wire [0:10] debug_mux_ctrls_d;
wire [0:3] coretrace_ctrls_out_d;
wire [0:3] coretrace_ctrls_out_q;
wire [0:1] evnt_axu_cr_cmt;
wire [0:1] evnt_axu_idle;
wire [0:1] evnt_axu_instr_cmt;
wire [0:1] evnt_denrm_flush;
wire [0:1] evnt_div_sqrt_ip;
wire [0:1] evnt_fpu_fex;
wire [0:1] evnt_fpu_fx;
wire [0:1] evnt_fpu_cpl_fex;
wire [0:1] evnt_fpu_cpl_fx;
wire ex2_axu_v;
wire [0:1] evnt_uc_instr_cmt;
wire [0:23] ex0_frt_si;
wire [0:23] ex0_frt_so;
wire [0:5] ex0_instr_fra;
wire ex0_instr_fra_v;
wire [0:5] ex0_instr_frb;
wire ex0_instr_frb_v;
wire [0:5] ex0_instr_frc;
wire ex0_instr_frc_v;
wire [0:5] ex0_instr_frs;
wire ex0_instr_match;
wire ex1_instr_act;
wire [0:3] ex0_instr_v;
wire [0:3] ex0_instr_valid;
wire ex0_instr_vld;
wire ex0_isRam;
wire ex0_is_ucode;
wire [0:6] ex0_itag;
wire [64-(2**REGMODE):63] slowspr_data_out_int;
wire slowspr_done_out_int;
wire [0:7] ex0_iu_si;
wire [0:7] ex0_iu_so;
wire ex0_ucode_preissue;
wire ex1_axu_v;
wire ex1_byp_a;
wire ex1_byp_b;
wire ex1_byp_c;
wire ex1_bypsel_a_load3;
wire ex1_bypsel_b_load3;
wire ex1_bypsel_c_load3;
wire ex1_bypsel_s_load3;
wire ex1_bypsel_a_load0;
wire ex1_bypsel_a_load1;
wire ex1_bypsel_a_load2;
wire ex1_bypsel_a_reload0;
wire ex1_bypsel_a_reload1;
wire ex1_bypsel_a_reload2;
wire ex1_bypsel_a_res0;
wire ex1_bypsel_a_res1;
wire ex1_bypsel_a_res2;
wire ex1_bypsel_b_load0;
wire ex1_bypsel_b_load1;
wire ex1_bypsel_b_load2;
wire ex1_bypsel_b_reload0;
wire ex1_bypsel_b_reload1;
wire ex1_bypsel_b_reload2;
wire ex1_bypsel_b_res0;
wire ex1_bypsel_b_res1;
wire ex1_bypsel_b_res2;
wire ex1_bypsel_c_load0;
wire ex1_bypsel_c_load1;
wire ex1_bypsel_c_load2;
wire ex1_bypsel_c_reload0;
wire ex1_bypsel_c_reload1;
wire ex1_bypsel_c_reload2;
wire ex1_bypsel_c_res0;
wire ex1_bypsel_c_res1;
wire ex1_bypsel_c_res2;
wire ex1_bypsel_s_load0;
wire ex1_bypsel_s_load1;
wire ex1_bypsel_s_load2;
wire ex1_bypsel_s_reload0;
wire ex1_bypsel_s_reload1;
wire ex1_bypsel_s_reload2;
wire ex1_bypsel_s_res0;
wire ex1_bypsel_s_res1;
wire ex1_bypsel_s_res2;
wire [0:4] ex1_cr_bf;
wire ex1_cr_val;
wire [0:4] ex1_crbf_si;
wire [0:4] ex1_crbf_so;
wire ex1_dp;
wire ex1_dporsp;
wire ex1_expte;
wire ex1_fabs;
wire ex1_fadd;
wire ex1_fcfid;
wire ex1_fcfids;
wire ex1_fcfidu;
wire ex1_fcfidus;
wire ex1_fcfiwu;
wire ex1_fcfiwus;
wire ex1_fcmpo;
wire ex1_fcmpu;
wire ex1_fcpsgn;
wire ex1_fctid;
wire ex1_fctidu;
wire ex1_fctiduz;
wire ex1_fctidz;
wire ex1_fctiw;
wire ex1_fctiwu;
wire ex1_fctiwuz;
wire ex1_fctiwz;
wire ex1_fdiv;
wire ex1_fdivs;
wire [0:1] ex1_fdivsqrt_start;
wire [0:1] ex1_fdivsqrt_start_din;
wire ex1_fmadd;
wire ex1_fmr;
wire ex1_fmsub;
wire ex1_fmul;
wire ex1_fnabs;
wire ex1_fneg;
wire ex1_fnmadd;
wire ex1_fnmsub;
wire [0:5] ex1_fpscr_addr;
wire [0:3] ex1_fpscr_bit_data;
wire [0:3] ex1_fpscr_bit_mask;
wire ex1_fpscr_moves;
wire [0:8] ex1_fpscr_nib_mask;
wire ex1_fpscr_wen;
wire ex1_fpscr_wen_din;
wire ex1_fra_v;
wire ex1_frb_v;
wire ex1_frc_v;
wire ex1_fres;
wire ex1_frim;
wire ex1_frin;
wire ex1_frip;
wire ex1_friz;
wire ex1_from_ints;
wire ex1_frs_byp;
wire ex1_frsp;
wire ex1_frsqrte;
wire [0:29] ex1_frt_si;
wire [0:29] ex1_frt_so;
wire ex1_fsel;
wire ex1_fsqrt;
wire ex1_fsqrts;
wire ex1_fsub;
wire ex1_ftdiv;
wire ex1_ftsqrt;
wire [0:31] ex1_instl_si;
wire [0:31] ex1_instl_so;
wire [0:31] ex1_instr;
wire [0:5] ex1_instr_fra;
wire ex1_instr_fra_v;
wire [0:5] ex1_instr_frb;
wire ex1_instr_frb_v;
wire [0:5] ex1_instr_frc;
wire ex1_instr_frc_v;
wire [0:5] ex1_instr_frs;
wire [0:5] ex1_instr_frt;
wire ex1_instr_match;
wire [0:3] ex1_instr_v;
wire [0:3] ex1_instr_valid;
wire ex1_instr_v1_bufw;
wire ex1_instr_v1_bufx;
wire ex1_instr_v1_bufy;
wire ex1_instr_v1_bufz;
wire ex1_isRam;
wire ex1_is_ucode;
wire [0:6] ex1_itag;
wire [0:13] ex1_itag_si;
wire [0:13] ex1_itag_so;
wire [0:14] ex1_iu_si;
wire [0:14] ex1_iu_so;
wire ex1_kill_wen;
wire ex1_instr_vld;
wire ex1_loge;
wire ex1_mcrfs;
wire [0:7] ex1_mcrfs_bfa;
wire ex1_mffs;
wire ex1_moves;
wire [0:7] ex1_mtfs_bf;
wire ex1_mtfsb0;
wire ex1_mtfsb1;
wire [0:3] ex1_mtfsb_bt;
wire ex1_mtfsf;
wire ex1_mtfsf_l;
wire [0:7] ex1_mtfsf_nib;
wire ex1_mtfsf_w;
wire ex1_mtfsfi;
wire ex1_prenorm;
wire [0:5] ex1_primary;
wire ex1_record;
wire ex1_rnd0;
wire ex1_rnd1;
wire [0:4] ex1_sec_aform;
wire [0:9] ex1_sec_xform;
wire ex1_sp;
wire ex1_str_v;
wire [0:1] ex1_tid;
wire [0:1] ex1_tid_bufw;
wire [0:1] ex1_tid_bufx;
wire [0:1] ex1_tid_bufy;
wire [0:1] ex1_tid_bufz ;
wire ex1_to_ints;
wire ex1_ucode_preissue;
wire ex1_ucode_preissue_din;
wire ex1_v;
wire [0:4] ex2_cr_bf;
wire ex2_cr_val;
wire ex2_cr_val_din;
wire [0:4] ex2_crbf_si;
wire [0:4] ex2_crbf_so;
wire [0:20] ex2_ctl_si;
wire [0:20] ex2_ctl_so;
wire [0:1] ex2_fdivsqrt_start;
wire [0:1] ex2_fdivsqrt_start_din;
wire [0:5] ex2_fpscr_addr;
wire ex2_fpscr_wen;
wire ex2_fra_v;
wire ex2_fra_valid;
wire ex2_frb_v;
wire ex2_frb_valid;
wire ex2_frc_v;
wire ex2_frc_valid;
wire ex2_frs_byp;
wire ex2_frs_byp_din;
wire [0:5] ex2_frt_si;
wire [0:5] ex2_frt_so;
wire [0:3] ex2_ifar_val;
wire [0:5] ex2_instr_frt;
wire ex2_instr_match;
wire [0:3] ex2_instr_v;
wire [0:3] ex2_instr_valid;
wire ex2_instr_vld;
wire ex2_isRam;
wire ex2_is_ucode;
wire [0:6] ex2_itag;
wire [0:15] ex2_itag_si;
wire [0:15] ex2_itag_so;
wire ex2_kill_wen;
wire ex2_mcrfs;
wire ex2_record;
wire ex2_str_v;
wire ex2_str_valid;
wire ex2_ucode_preissue;
wire ex2_ucode_preissue_din;
wire ex2_v;
wire [0:4] ex3_cr_bf;
wire ex3_cr_val;
wire [0:4] ex3_crbf_si;
wire [0:4] ex3_crbf_so;
wire [0:6] ex3_ctlng_si;
wire [0:6] ex3_ctlng_so;
wire [0:23] ex3_ctl_si;
wire [0:23] ex3_ctl_so;
wire [0:1] ex3_fdivsqrt_start;
wire [0:1] ex3_fdivsqrt_start_din;
wire [0:3] ex3_flush2ucode;
wire [0:5] ex3_fpscr_addr;
wire ex3_fpscr_wen;
wire ex3_fra_v;
wire ex3_frb_v;
wire ex3_frc_v;
wire ex3_frs_byp;
wire [0:3] ex3_ifar_val;
wire [0:5] ex3_instr_frt;
wire ex3_instr_match;
wire [0:3] ex3_instr_v;
wire [0:3] ex3_instr_vns;
wire ex3_instr_vld;
wire ex4_instr_vld;
wire ex5_instr_vld;
wire ex6_instr_vld;
wire ex7_instr_vld;
wire ex8_instr_vld;
wire ex9_instr_vld;
wire [0:7] event_bus_d;
wire [0:7] event_bus_q;
wire [0:3] ex3_instr_valid;
wire ex3_isRam;
wire ex3_is_ucode;
wire [0:6] ex3_itag;
wire [0:15] ex3_itag_si;
wire [0:15] ex3_itag_so;
wire ex3_kill_wen;
wire ex3_mcrfs;
wire [0:3] ex3_n_flush;
wire ex3_record;
wire ex3_stdv_si;
wire ex3_stdv_so;
wire ex3_store_v;
wire ex3_store_valid;
wire ex3_str_v;
wire ex3_ucode_preissue;
wire ex3_ucode_preissue_din;
wire ex4_b_den_flush;
wire [0:4] ex4_cr_bf;
wire ex4_cr_val;
wire [0:4] ex4_crbf_si;
wire [0:4] ex4_crbf_so;
wire [0:29] ex4_ctl_si;
wire [0:29] ex4_ctl_so;
wire [0:6] ex5_divsqrt_itag;
wire [0:1] ex4_fdivsqrt_start;
wire [0:1] ex4_fdivsqrt_start_din;
wire [0:3] ex4_flush2ucode;
wire [0:5] ex4_fpscr_addr;
wire ex4_fpscr_wen;
wire [0:5] ex4_instr_frt;
wire ex4_instr_match;
wire [0:3] ex4_instr_v;
wire [0:3] ex4_instr_vns;
wire [0:3] ex5_instr_vns;
wire ex3_instr_vns_taken;
wire ex4_instr_vns_taken_din;
wire ex4_instr_vns_taken;
wire ex5_instr_vns_taken;
wire [0:3] ex4_instr_valid;
wire ex4_isRam;
wire ex4_is_ucode;
wire [0:6] ex4_itag;
wire [0:15] ex4_itag_si;
wire [0:15] ex4_itag_so;
wire ex4_kill_wen;
wire ex4_mcrfs;
wire [0:3] ex4_n_flush;
wire ex4_record;
wire ex7_perr_cancel;
// parity err ---------
wire perr_sm_running;
wire [0:5] perr_addr_l2;
wire [0:1] ex4_regfile_err_det;
wire [0:1] ex5_regfile_err_det;
wire [0:1] ex6_regfile_err_det;
wire [0:1] ex7_regfile_err_det;
wire [0:1] ex8_regfile_err_det;
wire ex0_regfile_ce;
wire ex0_regfile_ue;
wire ex1_perr_sm_instr_v;
wire ex2_perr_sm_instr_v;
wire ex3_perr_sm_instr_v;
wire ex4_perr_sm_instr_v;
wire ex5_perr_sm_instr_v;
wire ex6_perr_sm_instr_v;
wire ex7_perr_sm_instr_v;
wire ex8_perr_sm_instr_v;
wire [0:2] perr_sm_l2;
wire [0:1] perr_tid_l2;
wire ex7_is_fixperr;
wire perr_si;
wire perr_so;
//------------- end parity
wire ex4_store_valid;
wire ex4_ucode_preissue;
wire ex4_ucode_preissue_din;
wire ex5_b_den_flush;
wire ex5_b_den_flush_din;
wire [0:3] ex5_cr;
wire [0:4] ex5_cr_bf;
wire ex5_cr_val;
wire ex5_cr_val_cp;
wire [0:4] ex5_crbf_si;
wire [0:4] ex5_crbf_so;
wire [0:21] ex5_ctl_si;
wire [0:21] ex5_ctl_so;
wire [0:5] ex6_divsqrt_fpscr_addr;
wire [59:63] ex5_eff_addr;
wire [0:1] ex5_fdivsqrt_start;
wire [0:1] ex5_fdivsqrt_start_din;
wire [0:5] ex5_fpscr_addr;
wire ex5_fpscr_wen;
wire ex5_fu_unavail;
wire [0:5] ex5_instr_frt;
wire [0:1] ex5_instr_tid;
wire [0:3] ex5_instr_v;
wire [0:1] ex5_cr_or_divsqrt_v;
wire [0:3] ex5_instr_valid;
wire ex5_isRam;
wire ex5_is_ucode;
wire [0:6] ex5_itag;
wire [0:6] ex5_itag_din;
wire [0:16] ex5_itag_si;
wire [0:16] ex5_itag_so;
wire ex5_kill_wen;
wire ex5_mcrfs;
wire ex5_record;
wire ex5_ucode_preissue;
wire ex5_ucode_preissue_din;
wire ex1_abort_a_din;
wire ex1_abort_b_din;
wire ex1_abort_c_din;
wire ex1_abort_s_din;
wire ex2_abort_a_din;
wire ex2_abort_b_din;
wire ex2_abort_c_din;
wire ex2_abort_s_din;
wire ex2_abort_a;
wire ex2_abort_b;
wire ex2_abort_c;
wire ex2_abort_s;
wire ex2_abort_a_q;
wire ex2_abort_b_q;
wire ex2_abort_c_q;
wire ex2_abort_s_q;
wire ex3_abort_a;
wire ex3_abort_b;
wire ex3_abort_c;
wire ex3_abort_s;
wire ex3_abort_din;
wire ex4_abort;
wire ex5_abort_l2;
wire ex6_abort;
wire ex6_abort_lq;
wire ex7_abort;
wire ex7_abort_lq;
wire ex8_abort;
wire ex8_abort_lq;
wire ex9_abort;
wire ex9_abort_q;
wire ex9_abort_lq;
wire ex4_abort_din;
wire ex5_abort_din;
wire ex5_abort_lq_din;
wire ex6_abort_din;
wire ex7_abort_din;
wire ex8_abort_din;
wire ex6_b_den_flush;
wire [0:3] ex6_cr;
wire [0:4] ex6_cr_bf;
wire [0:4] ex6_cr_bf_din;
wire ex6_cr_val;
wire ex5_cr_val_din;
wire [0:8] ex6_crbf_si;
wire [0:8] ex6_crbf_so;
wire [0:20] ex6_ctl_si;
wire [0:20] ex6_ctl_so;
wire [0:1] ex6_fdivsqrt_start;
wire [0:1] ex6_fdivsqrt_start_din;
wire ex6_fpr_wr_dis;
wire [0:5] ex6_fpscr_addr;
wire [0:5] ex6_fpscr_addr_din;
wire ex6_fpscr_move;
wire ex6_fpscr_wen;
wire ex6_fpscr_wen_din;
wire ex6_fu_unavail;
wire ex6_iflush_01;
wire ex6_iflush_23;
wire [0:3] ex6_iflush_b;
wire [0:3] ex6_instr_bypval;
wire ex6_instr_flush;
wire ex6_instr_flush_b;
wire [0:5] ex6_instr_frt;
wire [0:5] ex5_instr_frt_din;
wire [0:1] ex6_instr_tid;
wire [0:3] ex6_instr_v;
wire [0:3] ex6_instr_valid;
wire [0:3] ex5_instr_valid_din;
wire [0:3] ex6_instr_valid_din;
wire ex6_isRam;
wire ex6_is_ucode;
wire [0:6] ex6_itag;
wire [0:16] ex6_itag_si;
wire [0:16] ex6_itag_so;
wire ex6_kill_wen;
wire ex5_kill_wen_din;
wire ex6_kill_wen_q;
wire [0:7] ex6_load_addr;
wire ex6_load_v;
wire [0:7] ex6_reload_addr;
wire ex6_reload_v;
wire ex6_mcrfs;
wire ex5_mcrfs_din;
wire ex6_record;
wire ex5_record_din;
wire ex6_ucode_preissue;
wire ex6_ucode_preissue_din;
wire [0:1] ex7_ram_active;
wire ex7_b_den_flush;
wire [0:3] ex7_cr;
wire [0:4] ex7_cr_bf;
wire ex7_cr_val;
wire ex7_cr_val_din;
wire [0:8] ex7_crbf_si;
wire [0:8] ex7_crbf_so;
wire [0:22] ex7_ctl_si;
wire [0:22] ex7_ctl_so;
wire [0:1] ex7_fdivsqrt_start;
wire [0:1] ex7_fdivsqrt_start_din;
wire ex7_fpr_wr_dis;
wire [0:5] ex7_fpscr_addr;
wire ex7_fpscr_move;
wire ex7_fpscr_wen;
wire ex7_fu_unavail;
wire [0:5] ex7_instr_frt;
wire [0:5] ex7_instr_frt_din;
wire [0:1] ex7_instr_tid;
wire [0:3] ex7_instr_v;
wire [0:1] ex7_instr_v_din;
wire ex7_instr_valid;
wire ex7_isRam;
wire ex7_is_ucode;
wire [0:6] ex7_itag;
wire [0:17] ex7_itag_si;
wire [0:17] ex7_itag_so;
wire ex7_kill_wen;
wire ex6_kill_wen_din;
wire [0:17] ex7_laddr_si;
wire [0:17] ex7_laddr_so;
wire [0:7] ex7_load_addr;
wire ex7_load_v;
wire [0:7] ex7_reload_addr;
wire ex7_reload_v;
wire ex7_mcrfs;
wire ex7_mcrfs_din;
wire ex7_ram_done;
wire [3:13] ex7_ram_expo;
wire [0:52] ex7_ram_frac;
wire ex7_ram_sign;
wire ex7_record;
wire ex7_record_din;
wire ex7_record_v;
wire ex7_ucode_preissue;
wire ex7_ucode_preissue_din;
wire ex8_b_den_flush;
wire ex8_b_den_flush_din;
wire [0:3] ex8_cr;
wire [0:4] ex8_cr_bf;
wire ex8_cr_val;
wire [0:31] ex8_ctl_si;
wire [0:31] ex8_ctl_so;
wire [0:1] ex8_fdivsqrt_start;
wire [0:1] ex8_fdivsqrt_start_din;
wire [0:1] ex9_fdivsqrt_start;
wire [0:1] ex8_fp_enabled;
wire ex8_fpr_wr_dis;
wire ex8_fpr_wr_dis_din;
wire ex8_fpscr_move;
wire ex8_fpscr_move_din;
wire [0:1] ex8_fu_unavail;
wire [0:5] ex8_instr_frt;
wire [0:1] ex8_instr_tid;
wire ex8_instr_v;
wire [0:1] ex8_instr_valid;
wire [0:6] ex8_itag;
wire [0:7] ex8_itag_si;
wire [0:7] ex8_itag_so;
wire ex8_kill_wen;
wire [0:17] ex8_laddr_si;
wire [0:17] ex8_laddr_so;
wire [0:8] ex9_laddr_si;
wire [0:8] ex9_laddr_so;
wire [0:7] ex8_load_addr;
wire [0:7] ex9_load_addr;
wire ex9_load_v;
wire ex8_load_v;
wire [0:7] ex8_reload_addr;
wire ex8_reload_v;
wire [0:63] ex8_ram_data;
wire ex8_ram_done;
wire [3:13] ex8_ram_expo;
wire [0:52] ex8_ram_frac;
wire ex8_ram_sign;
wire ex8_record_v;
wire ex8_ucode_preissue;
wire ex8_ucode_preissue_din;
wire [0:13] ex9_ctl_si;
wire [0:13] ex9_ctl_so;
wire [0:5] ex9_instr_frt;
wire [0:1] ex9_instr_tid;
wire ex9_instr_v;
wire [0:1] ex9_instr_valid;
wire ex9_kill_wen;
wire force_t;
wire [0:1] fp_async_fex_d;
wire [0:1] fp_async_fex_q;
wire [0:1] fp_except_en_d;
wire [0:1] fp_except_en_q;
wire [0:1] fp_except_fex;
wire [0:1] fp_except_fex_async;
wire [0:1] fp_except_fx;
wire int_word_ldst;
wire sign_ext_ldst;
wire [0:1] msr_fe0;
wire [0:1] msr_fe1;
wire [0:1] msr_fp;
wire [0:1] fu_msr_fe0;
wire [0:1] fu_msr_fe1;
wire [0:1] fu_msr_fp;
wire msr_fp_act;
wire [0:1] msr_gs_q;
wire [0:1] msr_pr_q;
wire [0:1] msr_gs_d;
wire [0:1] msr_pr_d;
wire [0:5] pri_ex1;
wire [0:64] ram_data_si;
wire [0:64] ram_data_so;
wire [0:34] perf_data_si;
wire [0:34] perf_data_so;
wire [0:7] event_bus_out_si;
wire [0:7] event_bus_out_so;
wire [0:0] ram_datav_si;
wire [0:0] ram_datav_so;
wire [0:5] rf0_instr_fra;
wire [0:5] rf0_instr_frb;
wire [0:5] rf0_instr_frc;
wire [0:5] rf0_instr_frs;
wire rf0_instr_match;
wire [0:3] rf0_instr_tid_1hot;
wire [0:3] rf1_instr_iss;
wire [0:3] ex1_instr_iss;
wire [0:3] ex2_instr_iss;
wire [0:3] rf0_instr_valid;
wire [0:31] dbg_group3_lat_si;
wire [0:31] dbg_group3_lat_so;
wire [0:1] rf0_tid;
wire ex0_fdiv;
wire ex0_fdivs;
wire ex0_fsqrt;
wire ex0_fsqrts;
wire [20:31] sec_ex1;
wire sg_0;
wire single_precision_ldst;
wire [0:9] slowspr_in_addr;
wire [64-(2**REGMODE):63] slowspr_in_data;
wire slowspr_in_done;
wire [0:1] slowspr_in_etid;
wire slowspr_in_rw;
wire slowspr_in_val;
wire [0:9] slowspr_out_addr;
wire [64-(2**REGMODE):63] slowspr_out_data;
wire slowspr_out_done;
wire [0:1] slowspr_out_etid;
wire slowspr_out_rw;
wire slowspr_out_val;
wire slowspr_val_in_int;
wire [64-(2**REGMODE):63] slowspr_data_in_int;
(* analysis_not_referenced="TRUE" *) // unused
wire [0:47] spare_unused;
wire [0:14] spr_ctl_si;
wire [0:14] spr_ctl_so;
wire [64-(2**REGMODE):63] spr_data_si;
wire [64-(2**REGMODE):63] spr_data_so;
wire st_ex1;
wire [0:3] event_en_d;
wire [0:3] event_en_q;
wire [0:2] event_count_mode_q;
wire [0:14] unit_bus_in_t0;
wire [0:14] unit_bus_in_t1;
wire [0:3] event_bus_out_t0;
wire [0:3] event_bus_out_t1;
wire [0:14] t0_events;
wire [0:14] t1_events;
wire instr_trace_mode_q;
wire [0:1] instr_trace_tid_q;
wire thold_0;
wire thold_0_b;
wire tihi;
wire tiup;
wire tilo;
wire tidn;
wire [0:31] trace_data_in;
wire [0:31] trace_data_out;
wire [0:11] trg_group0;
wire [0:11] trg_group1;
wire [0:11] trg_group2;
wire [0:11] trg_group3;
wire [0:63] divsqrt_debug;
wire [0:3] xu_ex0_flush;
wire [0:3] xu_ex1_flush;
wire [0:3] xu_ex2_flush;
wire [0:3] xu_ex3_flush;
wire [0:3] xu_ex4_flush;
wire [0:3] xu_ex5_flush;
wire [0:3] xu_ex6_flush;
wire [0:3] xu_ex7_flush;
wire [0:3] xu_ex8_flush;
wire [0:3] xu_ex9_flush;
wire [0:3] xu_rf0_flush;
wire ex6_divsqrt_v;
wire ex6_divsqrt_v_suppress;
wire ex5_divsqrt_v;
wire ex5_any_cr_v;
wire func_slp_sl_thold_0;
wire func_slp_sl_force;
wire func_slp_sl_thold_0_b;
wire cfg_slat_d2clk;
wire [0:`NCLK_WIDTH-1] cfg_slat_lclk;
assign tilo = 1'b0;
assign tihi = 1'b1;
assign tidn = 1'b0;
assign tiup = 1'b1;
assign rf0_act_b = ~(|(rv_axu0_vld));
// cp flush
assign cp_flush_int[0] = cp_flush[0];
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_flush_thr1_1
assign cp_flush_int[1] = tilo;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_flush_thr2_1
assign cp_flush_int[1] = cp_flush[1];
end
endgenerate
// Latches
tri_rlmlatch_p #(.INIT(0) ) cp_flush_reg0(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.delay_lclkr(delay_lclkr[9]),
.d_mode(tiup),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(cp_flush_reg0_si),
.scout(cp_flush_reg0_so),
//-------------------------------------------
.din(cp_flush_int[0]),
//-------------------------------------------
.dout(cp_flush_q[0])
);
//-------------------------------------------
// Latches
tri_rlmlatch_p #(.INIT(0) ) cp_flush_reg1(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.delay_lclkr(delay_lclkr[9]),
.d_mode(tiup),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(cp_flush_reg1_si),
.scout(cp_flush_reg1_so),
//-------------------------------------------
.din(cp_flush_int[1]),
//-------------------------------------------
.dout(cp_flush_q[1])
);
//-------------------------------------------
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_flush_thr1_2
assign xu_rf0_flush[0] = cp_flush_q[0];
assign xu_ex0_flush[0] = cp_flush_q[0];
assign xu_ex1_flush[0] = cp_flush_q[0];
assign xu_ex2_flush[0] = cp_flush_q[0];
assign xu_ex3_flush[0] = cp_flush_q[0];
assign xu_ex4_flush[0] = cp_flush_q[0];
assign xu_ex5_flush[0] = cp_flush_q[0];
assign xu_ex6_flush[0] = cp_flush_q[0];
assign xu_ex7_flush[0] = cp_flush_q[0];
assign xu_ex8_flush[0] = cp_flush_q[0];
assign xu_ex9_flush[0] = cp_flush_q[0];
assign xu_rf0_flush[1:3] = {3{tilo}};
assign xu_ex0_flush[1:3] = {3{tilo}};
assign xu_ex1_flush[1:3] = {3{tilo}};
assign xu_ex2_flush[1:3] = {3{tilo}};
assign xu_ex3_flush[1:3] = {3{tilo}};
assign xu_ex4_flush[1:3] = {3{tilo}};
assign xu_ex5_flush[1:3] = {3{tilo}};
assign xu_ex6_flush[1:3] = {3{tilo}};
assign xu_ex7_flush[1:3] = {3{tilo}};
assign xu_ex8_flush[1:3] = {3{tilo}};
assign xu_ex9_flush[1:3] = {3{tilo}};
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_flush_thr2_2
assign xu_rf0_flush[0:1] = cp_flush_q[0:1];
assign xu_ex0_flush[0:1] = cp_flush_q[0:1];
assign xu_ex1_flush[0:1] = cp_flush_q[0:1];
assign xu_ex2_flush[0:1] = cp_flush_q[0:1];
assign xu_ex3_flush[0:1] = cp_flush_q[0:1];
assign xu_ex4_flush[0:1] = cp_flush_q[0:1];
assign xu_ex5_flush[0:1] = cp_flush_q[0:1];
assign xu_ex6_flush[0:1] = cp_flush_q[0:1];
assign xu_ex7_flush[0:1] = cp_flush_q[0:1];
assign xu_ex8_flush[0:1] = cp_flush_q[0:1];
assign xu_ex9_flush[0:1] = cp_flush_q[0:1];
assign xu_rf0_flush[2:3] = {2{tilo}};
assign xu_ex0_flush[2:3] = {2{tilo}};
assign xu_ex1_flush[2:3] = {2{tilo}};
assign xu_ex2_flush[2:3] = {2{tilo}};
assign xu_ex3_flush[2:3] = {2{tilo}};
assign xu_ex4_flush[2:3] = {2{tilo}};
assign xu_ex5_flush[2:3] = {2{tilo}};
assign xu_ex6_flush[2:3] = {2{tilo}};
assign xu_ex7_flush[2:3] = {2{tilo}};
assign xu_ex8_flush[2:3] = {2{tilo}};
assign xu_ex9_flush[2:3] = {2{tilo}};
end
endgenerate
//----------------------------------------------------------------------
// Pervasive
tri_plat #( .WIDTH(3)) thold_reg_0(
.vd(vdd),
.gd(gnd),
.nclk(nclk),
.flush(flush),
.din({thold_1,
cfg_sl_thold_1,
func_slp_sl_thold_1}),
.q({thold_0,
cfg_sl_thold_0,
func_slp_sl_thold_0})
);
tri_plat sg_reg_0(
.vd(vdd),
.gd(gnd),
.nclk(nclk),
.flush(flush),
.din(sg_1),
.q(sg_0)
);
tri_lcbor lcbor_0(
.clkoff_b(clkoff_b),
.thold(thold_0),
.sg(sg_0),
.act_dis(act_dis),
.force_t(force_t),
.thold_b(thold_0_b)
);
tri_lcbor cfg_sl_lcbor_0(
.clkoff_b(clkoff_b),
.thold(cfg_sl_thold_0),
.sg(sg_0),
.act_dis(act_dis),
.force_t(cfg_sl_force),
.thold_b(cfg_sl_thold_0_b)
);
tri_lcbor func_slp_sl_lcbor_0(
.clkoff_b(clkoff_b),
.thold(func_slp_sl_thold_0),
.sg(sg_0),
.act_dis(act_dis),
.force_t(func_slp_sl_force),
.thold_b(func_slp_sl_thold_0_b)
);
tri_lcbs lcbs_cfg(
.vd(vdd),
.gd(gnd),
.delay_lclkr(delay_lclkr[9]),
.nclk(nclk),
.force_t(cfg_sl_force),
.thold_b(cfg_sl_thold_0_b),
.dclk(cfg_slat_d2clk),
.lclk(cfg_slat_lclk)
);
tri_slat_scan #(.WIDTH(2), .INIT(0), .RESET_INVERTS_SCAN(1'b1)) cfg_stg(
.vd(vdd),
.gd(gnd),
.dclk(cfg_slat_d2clk),
.lclk(cfg_slat_lclk),
.scan_in({ccfg_scan_in, bcfg_scan_in}),
.scan_out({ccfg_scan_out,bcfg_scan_out})
);
//----------------------------------------------------------------------
// Act Latches
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_msr_bits_thr1_2
assign fu_msr_fp[0] = xu_fu_msr_fp[0];
assign fu_msr_fp[1] = tidn;
assign fu_msr_fe0[0] = xu_fu_msr_fe0[0];
assign fu_msr_fe0[1] = tidn;
assign fu_msr_fe1[0] = xu_fu_msr_fe1[0];
assign fu_msr_fe1[1] = tidn;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_msr_bits_thr2_2
assign fu_msr_fp = xu_fu_msr_fp;
assign fu_msr_fe0 = xu_fu_msr_fe0;
assign fu_msr_fe1 = xu_fu_msr_fe1;
end
endgenerate
tri_rlmreg_p #(.INIT(0), .WIDTH(8)) act_lat(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(act_lat_si[0:7]),
.scout(act_lat_so[0:7]),
.din({ pc_fu_trace_bus_enable,
pc_fu_event_bus_enable,
fu_msr_fp,
fu_msr_fe0,
fu_msr_fe1
}),
.dout({dbg0_act,
event_act,
msr_fp,
msr_fe0,
msr_fe1})
);
assign msr_fp_act = |(msr_fp) | axucr0_q[60]; // note this was defaulted the other way in A2i
assign f_dcd_msr_fp_act = msr_fp_act;
//----------------------------------------------------------------------
// RF0
assign rf0_instr_match = iu_fu_rf0_instr_match;
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_tid_thr1_1
assign rf0_tid[0] = iu_fu_rf0_tid[0];
assign rf0_tid[1] = tidn;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_tid_thr2_1
assign rf0_tid[0:1] = iu_fu_rf0_tid[0:1];
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_axu0_vld_thr1_1
assign rf0_instr_tid_1hot[0] = rv_axu0_vld[0];
assign rf0_instr_tid_1hot[1] = 1'b0; //rv_axu0_v(1);
assign rf0_instr_tid_1hot[2] = 1'b0;
assign rf0_instr_tid_1hot[3] = 1'b0;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_axu0_vld_thr2_1
assign rf0_instr_tid_1hot[0] = rv_axu0_vld[0];
assign rf0_instr_tid_1hot[1] = rv_axu0_vld[1]; //rv_axu0_v(1);
assign rf0_instr_tid_1hot[2] = 1'b0;
assign rf0_instr_tid_1hot[3] = 1'b0;
end
endgenerate
assign rf0_instr_valid[0:3] = rf0_instr_tid_1hot[0:3] & (~xu_rf0_flush[0:3]);
assign rf0_instr_fra[0:5] = iu_fu_rf0_fra[0:5];
assign rf0_instr_frb[0:5] = iu_fu_rf0_frb[0:5];
assign rf0_instr_frc[0:5] = iu_fu_rf0_frc[0:5];
assign rf0_instr_frs[0:5] = iu_fu_rf0_frc[0:5]; // Store rides on s3!! (frc)
//----------------------------------------------------------------------
// EX0
assign ex0_is_ucode = (rv_axu0_ex0_ucode[0] | rv_axu0_ex0_ucode[1]) & (~rv_axu0_ex0_ucode[2]);
assign ex0_ucode_preissue = rv_axu0_ex0_ucode[1] & ex0_instr_vld;
// Flush Due to Speculative Loadhit
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(8), .NEEDS_SRESET(1)) ex0_iu(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.delay_lclkr(delay_lclkr[0]),
.d_mode(tiup),
.mpw1_b(mpw1_b[0]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex0_iu_si[0:7]),
.scout(ex0_iu_so[0:7]),
//-------------------------------------------
.din({iu_fu_rf0_fra_v,
iu_fu_rf0_frb_v,
iu_fu_rf0_frc_v,
rf0_instr_valid[0:3],
rf0_instr_match
}),
//-------------------------------------------
.dout({ex0_instr_fra_v,
ex0_instr_frb_v,
ex0_instr_frc_v,
ex0_instr_v[0:3],
ex0_instr_match
})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(24)) ex0_frt(
.nclk(nclk),
.act(msr_fp_act),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[0]),
.mpw1_b(mpw1_b[0]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex0_frt_si[0:23]),
.scout(ex0_frt_so[0:23]),
.din({rf0_instr_fra[0:5],
rf0_instr_frb[0:5],
rf0_instr_frc[0:5],
rf0_instr_frs[0:5]}),
//-------------------------------------------
.dout({ex0_instr_fra[0:5],
ex0_instr_frb[0:5],
ex0_instr_frc[0:5],
ex0_instr_frs[0:5]
})
);
//-------------------------------------------
assign ex0_itag = rv_axu0_ex0_itag;
assign ex0_instr_valid[0:3] = ex0_instr_v[0:3] & (~xu_ex0_flush[0:3]);
assign ex1_fpscr_wen_din = rv_axu0_ex0_t1_v & (~ex0_ucode_preissue);
//----------------------------------------------------------------------
// EX1
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(15), .NEEDS_SRESET(1)) ex1_iu(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[1]),
.mpw1_b(mpw1_b[1]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex1_iu_si[0:14]),
.scout(ex1_iu_so[0:14]),
//-------------------------------------------
.din({ex0_instr_fra_v,
ex0_instr_frb_v,
ex0_instr_frc_v,
ex0_instr_valid[0:3],
ex0_instr_match,
ex0_is_ucode,
ex0_ucode_preissue,
ex0_isRam,
ex0_instr_valid[1],
ex0_instr_valid[1],
ex0_instr_valid[1],
ex0_instr_valid[1]
}),
//-------------------------------------------
.dout({ ex1_instr_fra_v,
ex1_instr_frb_v,
ex1_instr_frc_v,
ex1_instr_v[0:3],
ex1_instr_match,
ex1_is_ucode,
ex1_ucode_preissue,
ex1_isRam,
ex1_instr_v1_bufw,
ex1_instr_v1_bufx,
ex1_instr_v1_bufy,
ex1_instr_v1_bufz
})
);
//-------------------------------------------
assign ex0_isRam = tidn;
tri_rlmreg_p #(.INIT(0), .WIDTH(30)) ex1_frt(
.nclk(nclk),
.act(ex1_instr_act),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[1]),
.mpw1_b(mpw1_b[1]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex1_frt_si[0:29]),
.scout(ex1_frt_so[0:29]),
.din({ rv_axu0_ex0_t2_p[0:5],
ex0_instr_fra[0:5],
ex0_instr_frb[0:5],
ex0_instr_frc[0:5],
ex0_instr_frs[0:5]}),
//-------------------------------------------
.dout({ ex1_instr_frt[0:5],
ex1_instr_fra[0:5],
ex1_instr_frb[0:5],
ex1_instr_frc[0:5],
ex1_instr_frs[0:5]})
);
//-------------------------------------------
assign ex1_instr_act = ex0_instr_v[0] | ex0_instr_v[1] | ex1_instr_v[0] | ex1_instr_v[1];
tri_rlmreg_p #(.INIT(0), .WIDTH(32)) ex1_instl(
.nclk(nclk),
.act(ex1_instr_act),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[1]),
.mpw1_b(mpw1_b[1]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex1_instl_si[0:31]),
.scout(ex1_instl_so[0:31]),
.din(rv_axu0_ex0_instr[0:31]),
.dout(ex1_instr[0:31])
);
tri_rlmreg_p #(.INIT(0), .WIDTH(14)) ex1_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[1]),
.mpw1_b(mpw1_b[1]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex1_itag_si),
.scout(ex1_itag_so),
//-------------------------------------------
.din({ex0_itag[0:6],
rv_axu0_ex0_t1_p[0:5],
ex1_fpscr_wen_din}),
//-------------------------------------------
.dout({ex1_itag[0:6],
ex1_fpscr_addr[0:5],
ex1_fpscr_wen})
);
//-------------------------------------------
assign f_dcd_ex1_fpscr_addr = ex1_fpscr_addr;
assign f_dcd_ex1_instr_frt = ex1_instr_frt;
assign f_dcd_ex1_instr_tid = ex1_instr_v[0:3] & (~xu_ex1_flush[0:3]);
assign f_dcd_ex1_divsqrt_cr_bf = ex1_cr_bf;
tri_rlmreg_p #(.INIT(0), .WIDTH(5)) ex1_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[1]),
.mpw1_b(mpw1_b[1]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex1_crbf_si[0:4]),
.scout(ex1_crbf_so[0:4]),
.din(rv_axu0_ex0_t3_p[1:5]),
.dout(ex1_cr_bf[0:4])
);
// Flushes
assign ex1_instr_valid[0:3] = ex1_instr_v[0:3] & (~xu_ex1_flush[0:3]) & {4{((~|(ex1_fdivsqrt_start)) | ex1_ucode_preissue)}};
assign ex1_instr_vld = (ex1_instr_v[0] & (~xu_ex1_flush[0])) | (ex1_instr_v[1] & (~xu_ex1_flush[1])) ;
assign ex1_str_v = |(ex1_instr_valid[0:3]) & st_ex1;
assign f_dcd_ex1_sto_v = ex1_str_v;
// temp: assumes only 2 threads for timing (this is encoded)
assign ex1_tid[0] = tidn;
assign ex1_tid[1] = ex1_instr_v[1];
assign ex1_tid_bufw[0] = tidn;
assign ex1_tid_bufw[1] = ex1_instr_v1_bufw;
assign ex1_tid_bufx[0] = tidn;
assign ex1_tid_bufx[1] = ex1_instr_v1_bufx;
assign ex1_tid_bufy[0] = tidn;
assign ex1_tid_bufy[1] = ex1_instr_v1_bufy;
assign ex1_tid_bufz[0] = tidn;
assign ex1_tid_bufz[1] = ex1_instr_v1_bufz;
//----------------------------------------------------------------------
// Bypass Writethru Detect in EX1
// 000000 <= FPR lev0
// 100000 <= ex7 load bypass into A lev1
// 010000 <= ex7 load bypass into c lev1
// 001000 <= ex7 load bypass into B lev1
// 000100 <= ex7 bypass into A lev1
// 000010 <= ex7 bypass into c lev1
// 000001 <= ex7 bypass into B lev1
// Result Bypass, res EX7 and dep in EX1
assign ex1_bypsel_a_res0 = ({ex7_instr_tid[0:1], ex7_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_fra[0:5]}) & (ex7_instr_valid & (~ex7_kill_wen)) & ex1_instr_fra_v;
assign ex1_bypsel_c_res0 = ({ex7_instr_tid[0:1], ex7_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frc[0:5]}) & (ex7_instr_valid & (~ex7_kill_wen)) & ex1_instr_frc_v;
assign ex1_bypsel_b_res0 = ({ex7_instr_tid[0:1], ex7_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frb[0:5]}) & (ex7_instr_valid & (~ex7_kill_wen)) & ex1_instr_frb_v;
assign ex1_bypsel_s_res0 = ({ex7_instr_tid[0:1], ex7_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frs[0:5]}) & (ex7_instr_valid & (~ex7_kill_wen)) & ex1_str_v;
// Writethru case, res EX8 dep EX1
assign ex1_bypsel_a_res1 = ({ex8_instr_tid[0:1], ex8_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_fra[0:5]}) & ex8_instr_v & (~ex8_kill_wen) & ex1_instr_fra_v & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load0);
assign ex1_bypsel_c_res1 = ({ex8_instr_tid[0:1], ex8_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frc[0:5]}) & ex8_instr_v & (~ex8_kill_wen) & ex1_instr_frc_v & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load0);
assign ex1_bypsel_b_res1 = ({ex8_instr_tid[0:1], ex8_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frb[0:5]}) & ex8_instr_v & (~ex8_kill_wen) & ex1_instr_frb_v & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load0);
assign ex1_bypsel_s_res1 = ({ex8_instr_tid[0:1], ex8_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frs[0:5]}) & ex8_instr_v & (~ex8_kill_wen) & ex1_str_v;
// Writethru case, res EX9 dep EX1
assign ex1_bypsel_a_res2 = ({ex9_instr_tid[0:1], ex9_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_fra[0:5]}) & ex9_instr_v & (~ex9_kill_wen) & ex1_instr_fra_v & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load0) & (~ex1_bypsel_a_res1) & (~ex1_bypsel_a_load1);
assign ex1_bypsel_c_res2 = ({ex9_instr_tid[0:1], ex9_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frc[0:5]}) & ex9_instr_v & (~ex9_kill_wen) & ex1_instr_frc_v & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load0) & (~ex1_bypsel_c_res1) & (~ex1_bypsel_c_load1);
assign ex1_bypsel_b_res2 = ({ex9_instr_tid[0:1], ex9_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frb[0:5]}) & ex9_instr_v & (~ex9_kill_wen) & ex1_instr_frb_v & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load0) & (~ex1_bypsel_b_res1) & (~ex1_bypsel_b_load1);
assign ex1_bypsel_s_res2 = ({ex9_instr_tid[0:1], ex9_instr_frt[0:5]}) == ({ex1_tid_bufw[0:1], ex1_instr_frs[0:5]}) & ex9_instr_v & (~ex9_kill_wen) & ex1_str_v;
// LOADS
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_loadaddr_thr_1
assign ex6_load_addr[0:7] = f_fpr_ex6_load_addr[0:7]; // no tid bit
assign ex6_reload_addr[0:7] = f_fpr_ex6_reload_addr[0:7]; // no tid bit
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_loadaddr_thr_2
assign ex6_load_addr[0:7] = {f_fpr_ex6_load_addr[0], f_fpr_ex6_load_addr[7], f_fpr_ex6_load_addr[1:6]}; // bit 7 is the tid but only in the 2 thread model
assign ex6_reload_addr[0:7] = {f_fpr_ex6_reload_addr[0], f_fpr_ex6_reload_addr[7], f_fpr_ex6_reload_addr[1:6]}; // bit 7 is the tid but only in the 2 thread model
end
endgenerate
assign ex6_load_v = f_fpr_ex6_load_v;
assign ex6_reload_v = f_fpr_ex6_reload_v;
// Load Bypass, Load in EX6, dep EX1 ==> Load Use = 5 cycles, 4 bubbles
assign ex1_bypsel_a_load0 = (ex6_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_fra[0:5]}) & ex6_load_v & ex1_instr_fra_v;
assign ex1_bypsel_c_load0 = (ex6_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_frc[0:5]}) & ex6_load_v & ex1_instr_frc_v;
assign ex1_bypsel_b_load0 = (ex6_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_frb[0:5]}) & ex6_load_v & ex1_instr_frb_v;
assign ex1_bypsel_s_load0 = (ex6_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_frs[0:5]}) & ex6_load_v & ex1_str_v;
// Writethru case, Load EX7 dep EX1
assign ex1_bypsel_a_load1 = (ex7_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_fra[0:5]}) & ex7_load_v & ex1_instr_fra_v & (~ex1_bypsel_a_load0) & (~ex1_bypsel_a_res0);
assign ex1_bypsel_c_load1 = (ex7_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_frc[0:5]}) & ex7_load_v & ex1_instr_frc_v & (~ex1_bypsel_c_load0) & (~ex1_bypsel_c_res0);
assign ex1_bypsel_b_load1 = (ex7_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_frb[0:5]}) & ex7_load_v & ex1_instr_frb_v & (~ex1_bypsel_b_load0) & (~ex1_bypsel_b_res0);
assign ex1_bypsel_s_load1 = (ex7_load_addr[0:7]) == ({ex1_tid_bufx[0:1], ex1_instr_frs[0:5]}) & ex7_load_v & ex1_str_v;
// Writethru case, Load EX8 dep EX1
assign ex1_bypsel_a_load2 = (ex8_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_fra[0:5]}) & ex8_load_v & ex1_instr_fra_v & (~ex1_bypsel_a_load0) & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load1) & (~ex1_bypsel_a_res1);
assign ex1_bypsel_c_load2 = (ex8_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_frc[0:5]}) & ex8_load_v & ex1_instr_frc_v & (~ex1_bypsel_c_load0) & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load1) & (~ex1_bypsel_c_res1);
assign ex1_bypsel_b_load2 = (ex8_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_frb[0:5]}) & ex8_load_v & ex1_instr_frb_v & (~ex1_bypsel_b_load0) & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load1) & (~ex1_bypsel_b_res1);
assign ex1_bypsel_s_load2 = (ex8_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_frs[0:5]}) & ex8_load_v & ex1_str_v;
// Writethru case, just for abort, Load EX9 dep EX1
assign ex1_bypsel_a_load3 = (ex9_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_fra[0:5]}) & ex9_load_v & ex1_instr_fra_v ;
assign ex1_bypsel_c_load3 = (ex9_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_frc[0:5]}) & ex9_load_v & ex1_instr_frc_v ;
assign ex1_bypsel_b_load3 = (ex9_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_frb[0:5]}) & ex9_load_v & ex1_instr_frb_v ;
assign ex1_bypsel_s_load3 = (ex9_load_addr[0:7]) == ({ex1_tid_bufy[0:1], ex1_instr_frs[0:5]}) & ex9_load_v & ex1_str_v;
// reLoad Bypass, Load in EX6, dep EX1 ==> Load Use = 5 cycles, 4 bubbles
assign ex1_bypsel_a_reload0 = (ex6_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_fra[0:5]}) & ex6_reload_v & ex1_instr_fra_v & (~ex1_bypsel_a_load0) & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load1) & (~ex1_bypsel_a_res1);
assign ex1_bypsel_c_reload0 = (ex6_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frc[0:5]}) & ex6_reload_v & ex1_instr_frc_v & (~ex1_bypsel_c_load0) & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load1) & (~ex1_bypsel_c_res1);
assign ex1_bypsel_b_reload0 = (ex6_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frb[0:5]}) & ex6_reload_v & ex1_instr_frb_v & (~ex1_bypsel_b_load0) & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load1) & (~ex1_bypsel_b_res1);
assign ex1_bypsel_s_reload0 = (ex6_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frs[0:5]}) & ex6_reload_v & ex1_str_v;
// reLoad Writethru case, Load EX7 dep EX1
assign ex1_bypsel_a_reload1 = (ex7_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_fra[0:5]}) & ex7_reload_v & ex1_instr_fra_v & (~ex1_bypsel_a_reload0) & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load0) & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load1) & (~ex1_bypsel_a_res1);
assign ex1_bypsel_c_reload1 = (ex7_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frc[0:5]}) & ex7_reload_v & ex1_instr_frc_v & (~ex1_bypsel_c_reload0) & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load0) & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load1) & (~ex1_bypsel_c_res1);
assign ex1_bypsel_b_reload1 = (ex7_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frb[0:5]}) & ex7_reload_v & ex1_instr_frb_v & (~ex1_bypsel_b_reload0) & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load0) & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load1) & (~ex1_bypsel_b_res1);
assign ex1_bypsel_s_reload1 = (ex7_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frs[0:5]}) & ex7_reload_v & ex1_str_v;
// reLoad Writethru case, Load EX8 dep EX1
assign ex1_bypsel_a_reload2 = (ex8_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_fra[0:5]}) & ex8_reload_v & ex1_instr_fra_v & (~ex1_bypsel_a_reload0) & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_reload1) & (~ex1_bypsel_a_res1) & (~ex1_bypsel_a_load0) & (~ex1_bypsel_a_res0) & (~ex1_bypsel_a_load1) & (~ex1_bypsel_a_res1);
assign ex1_bypsel_c_reload2 = (ex8_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frc[0:5]}) & ex8_reload_v & ex1_instr_frc_v & (~ex1_bypsel_c_reload0) & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_reload1) & (~ex1_bypsel_c_res1) & (~ex1_bypsel_c_load0) & (~ex1_bypsel_c_res0) & (~ex1_bypsel_c_load1) & (~ex1_bypsel_c_res1);
assign ex1_bypsel_b_reload2 = (ex8_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frb[0:5]}) & ex8_reload_v & ex1_instr_frb_v & (~ex1_bypsel_b_reload0) & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_reload1) & (~ex1_bypsel_b_res1) & (~ex1_bypsel_b_load0) & (~ex1_bypsel_b_res0) & (~ex1_bypsel_b_load1) & (~ex1_bypsel_b_res1);
assign ex1_bypsel_s_reload2 = (ex8_reload_addr[0:7]) == ({ex1_tid_bufz[0:1], ex1_instr_frs[0:5]}) & ex8_reload_v & ex1_str_v;
assign f_dcd_ex1_bypsel_a_res1 = ex1_bypsel_a_res1;
assign f_dcd_ex1_bypsel_b_res1 = ex1_bypsel_b_res1;
assign f_dcd_ex1_bypsel_c_res1 = ex1_bypsel_c_res1;
assign f_dcd_ex1_bypsel_a_load1 = ex1_bypsel_a_load1;
assign f_dcd_ex1_bypsel_b_load1 = ex1_bypsel_b_load1;
assign f_dcd_ex1_bypsel_c_load1 = ex1_bypsel_c_load1;
assign f_dcd_ex1_bypsel_a_reload1 = ex1_bypsel_a_reload1;
assign f_dcd_ex1_bypsel_b_reload1 = ex1_bypsel_b_reload1;
assign f_dcd_ex1_bypsel_c_reload1 = ex1_bypsel_c_reload1;
assign f_dcd_ex1_bypsel_s_res1 = ex1_bypsel_s_res1;
assign f_dcd_ex1_bypsel_s_load1 = ex1_bypsel_s_load1;
assign f_dcd_ex1_bypsel_s_reload1 = ex1_bypsel_s_reload1;
assign f_dcd_ex1_bypsel_a_res2 = ex1_bypsel_a_res2;
assign f_dcd_ex1_bypsel_b_res2 = ex1_bypsel_b_res2;
assign f_dcd_ex1_bypsel_c_res2 = ex1_bypsel_c_res2;
assign f_dcd_ex1_bypsel_a_load2 = ex1_bypsel_a_load2;
assign f_dcd_ex1_bypsel_b_load2 = ex1_bypsel_b_load2;
assign f_dcd_ex1_bypsel_c_load2 = ex1_bypsel_c_load2;
assign f_dcd_ex1_bypsel_a_reload2 = ex1_bypsel_a_reload2;
assign f_dcd_ex1_bypsel_b_reload2 = ex1_bypsel_b_reload2;
assign f_dcd_ex1_bypsel_c_reload2 = ex1_bypsel_c_reload2;
assign f_dcd_ex1_bypsel_s_res2 = ex1_bypsel_s_res2;
assign f_dcd_ex1_bypsel_s_load2 = ex1_bypsel_s_load2;
assign f_dcd_ex1_bypsel_s_reload2 = ex1_bypsel_s_reload2;
assign f_dcd_ex1_bypsel_a_res0 = ex1_bypsel_a_res0;
assign f_dcd_ex1_bypsel_a_load0 = ex1_bypsel_a_load0;
assign f_dcd_ex1_bypsel_a_reload0 = ex1_bypsel_a_reload0;
assign f_dcd_ex1_bypsel_b_res0 = ex1_bypsel_b_res0;
assign f_dcd_ex1_bypsel_b_load0 = ex1_bypsel_b_load0;
assign f_dcd_ex1_bypsel_b_reload0 = ex1_bypsel_b_reload0;
assign f_dcd_ex1_bypsel_c_res0 = ex1_bypsel_c_res0;
assign f_dcd_ex1_bypsel_c_load0 = ex1_bypsel_c_load0;
assign f_dcd_ex1_bypsel_c_reload0 = ex1_bypsel_c_reload0;
assign f_dcd_ex1_bypsel_s_res0 = ex1_bypsel_s_res0;
assign f_dcd_ex1_bypsel_s_load0 = ex1_bypsel_s_load0;
assign f_dcd_ex1_bypsel_s_reload0 = ex1_bypsel_s_reload0;
// operand valids for parity checking
assign ex1_byp_a = ex1_bypsel_a_res0 | ex1_bypsel_a_res1 | ex1_bypsel_a_res2 | ex1_bypsel_a_load0 | ex1_bypsel_a_load1 | ex1_bypsel_a_load2 | ex1_bypsel_a_reload0 | ex1_bypsel_a_reload1 | ex1_bypsel_a_reload2;
assign ex1_byp_b = ex1_bypsel_b_res0 | ex1_bypsel_b_res1 | ex1_bypsel_b_res2 | ex1_bypsel_b_load0 | ex1_bypsel_b_load1 | ex1_bypsel_b_load2 | ex1_bypsel_b_reload0 | ex1_bypsel_b_reload1 | ex1_bypsel_b_reload2;
assign ex1_byp_c = ex1_bypsel_c_res0 | ex1_bypsel_c_res1 | ex1_bypsel_c_res2 | ex1_bypsel_c_load0 | ex1_bypsel_c_load1 | ex1_bypsel_c_load2 | ex1_bypsel_c_reload0 | ex1_bypsel_c_reload1 | ex1_bypsel_c_reload2;
assign ex1_fra_v = ex1_instr_fra_v & (~ex1_byp_a);
assign ex1_frb_v = ex1_instr_frb_v & (~ex1_byp_b);
assign ex1_frc_v = ex1_instr_frc_v & (~ex1_byp_c);
assign ex1_frs_byp = ex1_bypsel_s_res0 | ex1_bypsel_s_res1 | ex1_bypsel_s_res2 |
ex1_bypsel_s_load0 | ex1_bypsel_s_load1 | ex1_bypsel_s_load2 |
ex1_bypsel_s_reload0 | ex1_bypsel_s_reload1 | ex1_bypsel_s_reload2;
assign ex2_frs_byp_din = ex1_frs_byp & ex1_str_v;
// grandchild stuff
assign ex1_abort_a_din = ((ex1_bypsel_a_load0 & ex6_abort_lq) | (ex1_bypsel_a_load1 & ex7_abort_lq) | (ex1_bypsel_a_load2 & ex8_abort_lq) | (ex1_bypsel_a_load3 & ex9_abort_lq) |
(ex1_bypsel_a_res0 & ex7_abort) | (ex1_bypsel_a_res1 & ex8_abort) | (ex1_bypsel_a_res2 & ex9_abort)) & ex1_instr_vld ;
assign ex1_abort_b_din = ((ex1_bypsel_b_load0 & ex6_abort_lq) | (ex1_bypsel_b_load1 & ex7_abort_lq) | (ex1_bypsel_b_load2 & ex8_abort_lq) | (ex1_bypsel_b_load3 & ex9_abort_lq) |
(ex1_bypsel_b_res0 & ex7_abort) | (ex1_bypsel_b_res1 & ex8_abort) | (ex1_bypsel_b_res2 & ex9_abort)) & ex1_instr_vld ;
assign ex1_abort_c_din = ((ex1_bypsel_c_load0 & ex6_abort_lq) | (ex1_bypsel_c_load1 & ex7_abort_lq) | (ex1_bypsel_c_load2 & ex8_abort_lq) | (ex1_bypsel_c_load3 & ex9_abort_lq) |
(ex1_bypsel_c_res0 & ex7_abort) | (ex1_bypsel_c_res1 & ex8_abort) | (ex1_bypsel_c_res2 & ex9_abort)) & ex1_instr_vld ;
assign ex1_abort_s_din = ((ex1_bypsel_s_load0 & ex6_abort_lq) | (ex1_bypsel_s_load1 & ex7_abort_lq) | (ex1_bypsel_s_load2 & ex8_abort_lq) | (ex1_bypsel_s_load3 & ex9_abort_lq) |
(ex1_bypsel_s_res0 & ex7_abort) | (ex1_bypsel_s_res1 & ex8_abort) | (ex1_bypsel_s_res2 & ex9_abort)) & ex1_instr_vld ;
//-------------------------------------------------------------------
// Decode IOP
assign ex1_primary[0:5] = ex1_instr[0:5];
assign ex1_sec_xform[0:9] = ex1_instr[21:30];
assign ex1_sec_aform[0:4] = ex1_instr[26:30];
assign ex1_v = ex1_instr_v[0] | ex1_instr_v[1];
assign ex1_axu_v = ex1_v | ex1_perr_sm_instr_v;
assign ex1_dp = (ex1_primary[0:5] == 6'b111111) & ex1_v & (~ex1_perr_sm_instr_v);
assign ex1_sp = (ex1_primary[0:5] == 6'b111011) & ex1_v & (~ex1_perr_sm_instr_v);
assign ex1_dporsp = ex1_dp | ex1_sp;
assign ex1_fabs = ex1_dp & (ex1_sec_xform[0:9] == 10'b0100001000);
assign ex1_fadd = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b10101);
assign ex1_fcfid = ex1_dp & (ex1_sec_xform[0:9] == 10'b1101001110);
assign ex1_fcfidu = ex1_dp & (ex1_sec_xform[0:9] == 10'b1111001110);
assign ex1_fcfids = ex1_sp & (ex1_sec_xform[0:9] == 10'b1101001110);
assign ex1_fcfidus = ex1_sp & (ex1_sec_xform[0:9] == 10'b1111001110);
assign ex1_fcfiwu = ex1_dp & (ex1_sec_xform[0:9] == 10'b0011001110);
assign ex1_fcfiwus = ex1_sp & (ex1_sec_xform[0:9] == 10'b0011001110);
assign ex1_fcmpo = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000100000);
assign ex1_fcmpu = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000000000);
assign ex1_fcpsgn = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000001000);
assign ex1_fctid = ex1_dp & (ex1_sec_xform[0:9] == 10'b1100101110);
assign ex1_fctidu = ex1_dp & (ex1_sec_xform[0:9] == 10'b1110101110);
assign ex1_fctidz = ex1_dp & (ex1_sec_xform[0:9] == 10'b1100101111);
assign ex1_fctiduz = ex1_dp & (ex1_sec_xform[0:9] == 10'b1110101111);
assign ex1_fctiw = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000001110);
assign ex1_fctiwu = ex1_dp & (ex1_sec_xform[0:9] == 10'b0010001110);
assign ex1_fctiwz = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000001111);
assign ex1_fctiwuz = ex1_dp & (ex1_sec_xform[0:9] == 10'b0010001111);
assign ex1_fdiv = ex1_dp & (ex1_sec_aform[0:4] == 5'b10010);
assign ex1_fdivs = ex1_sp & (ex1_sec_aform[0:4] == 5'b10010);
assign ex0_fdiv = (rv_axu0_ex0_instr[0:5] == 6'b111111) & (rv_axu0_ex0_instr[26:30] == 5'b10010);
assign ex0_fdivs = (rv_axu0_ex0_instr[0:5] == 6'b111011) & (rv_axu0_ex0_instr[26:30] == 5'b10010);
assign ex1_fmadd = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b11101);
assign ex1_fmr = ex1_dp & (ex1_sec_xform[0:9] == 10'b0001001000);
assign ex1_fmsub = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b11100);
assign ex1_fmul = ex1_dporsp & ((ex1_sec_aform[0:4] == 5'b11001) | (ex1_sec_aform[0:4] == 5'b10001)); //This is for the last divide op
assign ex1_fnabs = ex1_dp & (ex1_sec_xform[0:9] == 10'b0010001000);
assign ex1_fneg = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000101000);
assign ex1_fnmadd = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b11111);
assign ex1_fnmsub = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b11110);
assign ex1_fres = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b11000);
assign ex1_frim = ex1_dp & (ex1_sec_xform[0:9] == 10'b0111101000);
assign ex1_frin = ex1_dp & (ex1_sec_xform[0:9] == 10'b0110001000);
assign ex1_frip = ex1_dp & (ex1_sec_xform[0:9] == 10'b0111001000);
assign ex1_friz = ex1_dp & (ex1_sec_xform[0:9] == 10'b0110101000);
assign ex1_frsp = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000001100);
assign ex1_frsqrte = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b11010);
assign ex1_fsel = (ex1_dp & (ex1_sec_aform[0:4] == 5'b10111)) | (~perr_sm_l2[0]); // perr_insert
assign ex1_fsqrt = ex1_dp & (ex1_sec_aform[0:4] == 5'b10110);
assign ex1_fsqrts = ex1_sp & (ex1_sec_aform[0:4] == 5'b10110);
assign ex0_fsqrt = (rv_axu0_ex0_instr[0:5] == 6'b111111) & (rv_axu0_ex0_instr[26:30] == 5'b10110);
assign ex0_fsqrts = (rv_axu0_ex0_instr[0:5] == 6'b111011) & (rv_axu0_ex0_instr[26:30] == 5'b10110);
assign ex1_fsub = ex1_dporsp & (ex1_sec_aform[0:4] == 5'b10100);
assign ex1_mcrfs = ex1_dp & (ex1_sec_xform[0:9] == 10'b0001000000);
assign ex1_mffs = ex1_dp & (ex1_sec_xform[0:9] == 10'b1001000111);
assign ex1_mtfsb0 = ex1_dp & (ex1_sec_xform[0:9] == 10'b0001000110);
assign ex1_mtfsb1 = ex1_dp & (ex1_sec_xform[0:9] == 10'b0000100110);
assign ex1_mtfsf = ex1_dp & (ex1_sec_xform[0:9] == 10'b1011000111);
assign ex1_mtfsfi = ex1_dp & (ex1_sec_xform[0:9] == 10'b0010000110);
assign ex1_loge = ex1_dporsp & (ex1_sec_xform[0:9] == 10'b0011100101);
assign ex1_expte = ex1_dporsp & (ex1_sec_xform[0:9] == 10'b0011000101);
assign ex1_prenorm = ex1_dporsp & (ex1_sec_xform[5:9] == 5'b10000);
assign ex1_ftdiv = ex1_dp & (ex1_sec_xform[0:9] == 10'b0010000000);
assign ex1_ftsqrt = ex1_dp & (ex1_sec_xform[0:9] == 10'b0010100000);
assign ex1_cr_val = ex1_fcmpu | ex1_fcmpo;
assign ex1_record = (ex1_dporsp & ex1_instr[31]) & (~ex1_cr_val) & (~ex1_mcrfs) & (~ex1_ftdiv) & (~ex1_ftsqrt);
assign ex1_moves = ex1_fmr | ex1_fabs | ex1_fnabs | ex1_fneg | ex1_fcpsgn; // | ((~perr_sm_l2[0])); //perr state machine, don't update the fpscr, only move.
assign ex1_to_ints = ex1_fctid | ex1_fctidu | ex1_fctidz | ex1_fctiduz | ex1_fctiw | ex1_fctiwu | ex1_fctiwz | ex1_fctiwuz;
assign ex1_from_ints = ex1_fcfid | ex1_fcfidu | ex1_fcfids | ex1_fcfidus | ex1_fcfiwu | ex1_fcfiwus;
assign ex1_fpscr_moves = ex1_mtfsb0 | ex1_mtfsb1 | ex1_mtfsf | ex1_mtfsfi | ex1_mcrfs;
assign ex1_kill_wen = ex1_cr_val | ex1_fpscr_moves | ex1_ftdiv | ex1_ftsqrt | ex1_ucode_preissue;
assign ex1_fdivsqrt_start[0] = (ex1_fdiv | ex1_fdivs | ex1_fsqrt | ex1_fsqrts) & ex1_instr_v[0] & (~xu_ex1_flush[0]);
assign ex1_fdivsqrt_start[1] = (ex1_fdiv | ex1_fdivs | ex1_fsqrt | ex1_fsqrts) & ex1_instr_v[1] & (~xu_ex1_flush[1]);
assign ex1_fdivsqrt_start_din = ex1_fdivsqrt_start & {2{(~ex1_ucode_preissue)}};
// ex1_instr_imm defs
assign ex1_mtfsb_bt[0] = (~ex1_instr[9]) & (~ex1_instr[10]); //00
assign ex1_mtfsb_bt[1] = (~ex1_instr[9]) & ex1_instr[10]; //01
assign ex1_mtfsb_bt[2] = ex1_instr[9] & (~ex1_instr[10]); //10
assign ex1_mtfsb_bt[3] = ex1_instr[9] & ex1_instr[10]; //11
assign ex1_mtfs_bf[0] = (~ex1_instr[6]) & (~ex1_instr[7]) & (~ex1_instr[8]); //000
assign ex1_mtfs_bf[1] = (~ex1_instr[6]) & (~ex1_instr[7]) & ex1_instr[8]; //001
assign ex1_mtfs_bf[2] = (~ex1_instr[6]) & ex1_instr[7] & (~ex1_instr[8]); //010
assign ex1_mtfs_bf[3] = (~ex1_instr[6]) & ex1_instr[7] & ex1_instr[8]; //011
assign ex1_mtfs_bf[4] = ex1_instr[6] & (~ex1_instr[7]) & (~ex1_instr[8]); //100
assign ex1_mtfs_bf[5] = ex1_instr[6] & (~ex1_instr[7]) & ex1_instr[8]; //101
assign ex1_mtfs_bf[6] = ex1_instr[6] & ex1_instr[7] & (~ex1_instr[8]); //110
assign ex1_mtfs_bf[7] = ex1_instr[6] & ex1_instr[7] & ex1_instr[8]; //111
assign ex1_mcrfs_bfa[0] = (~ex1_instr[11]) & (~ex1_instr[12]) & (~ex1_instr[13]); //000
assign ex1_mcrfs_bfa[1] = (~ex1_instr[11]) & (~ex1_instr[12]) & ex1_instr[13]; //001
assign ex1_mcrfs_bfa[2] = (~ex1_instr[11]) & ex1_instr[12] & (~ex1_instr[13]); //010
assign ex1_mcrfs_bfa[3] = (~ex1_instr[11]) & ex1_instr[12] & ex1_instr[13]; //011
assign ex1_mcrfs_bfa[4] = ex1_instr[11] & (~ex1_instr[12]) & (~ex1_instr[13]); //100
assign ex1_mcrfs_bfa[5] = ex1_instr[11] & (~ex1_instr[12]) & ex1_instr[13]; //101
assign ex1_mcrfs_bfa[6] = ex1_instr[11] & ex1_instr[12] & (~ex1_instr[13]); //110
assign ex1_mcrfs_bfa[7] = ex1_instr[11] & ex1_instr[12] & ex1_instr[13]; //111
assign ex1_mtfsf_l = ex1_instr[6];
assign ex1_mtfsf_w = ex1_instr[15];
// Instr bitdata bitmask nibmask
// mtfsb1 1111 dcd(instr[9:10]) dcd(instr[6:8])
// mtfsb0 0000 dcd(instr[9:10]) dcd(instr[6:8])
// mtfsfi nstr[16:19] 1111 dcd(instr[6:8])
// mtfsf 0000 1111 instr[7:14]
// mcrfs 0000 1111 dcd(instr[11:13])
assign ex1_fpscr_bit_data[0:3] = (ex1_instr[16:19] | {4{ex1_mtfsb1}}) & {4{~(ex1_mtfsb0 | ex1_mtfsf | ex1_mcrfs)}};
assign ex1_fpscr_bit_mask[0:3] = ex1_mtfsb_bt[0:3] | {4{ex1_mtfsfi}} | {4{ex1_mtfsf}} | {4{ex1_mcrfs}};
assign ex1_fpscr_nib_mask[0:7] = (ex1_mtfs_bf[0:7] & {8{(ex1_mtfsb1 | ex1_mtfsb0)}}) |
(ex1_mtfs_bf[0:7] & {8{(ex1_mtfsfi & (~ex1_mtfsf_w))}}) |
(ex1_mtfsf_nib[0:7] & {8{ex1_mtfsf}}) |
(ex1_mcrfs_bfa[0:7] & {8{ex1_mcrfs}});
// nib mask[8] is "0" except :
// if (mtfsfi and W=0) : nib_mask[0:7] <= dcd(BF); nib_mask[8] <= 0
// if (mtfsfi and W=1) : nib_mask[0:7] <= 0000_0000; nib_mask[8] <= dcd(BF)=="111"
// if (mtfsff and L=1) : nib_mask[0:7] <= 1111_1111; nib_mask[8] <= 1
// if (mtfsff and L=0 and W=0) : nib_mask[0:7] <= FLM[0:7]; nib_mask[8] <= 0
// if (mtfsff and L=0 and W=1) : nib_mask[0:7] <= 0000_0000; nib_mask[8] <= FLM[7]
assign ex1_mtfsf_nib[0:7] = (ex1_instr[7:14] | {8{ex1_mtfsf_l}}) &
(~({8{((~ex1_mtfsf_l) & ex1_mtfsf_w)}}));
assign ex1_fpscr_nib_mask[8] = (ex1_mtfsfi & ex1_mtfsf_w & ex1_mtfs_bf[7]) | (ex1_mtfsf & ex1_mtfsf_l) | (ex1_mtfsf & (~ex1_mtfsf_l) & ex1_mtfsf_w & ex1_instr[14]);
assign f_dcd_ex1_fpscr_bit_data_b[0:3] = (~ex1_fpscr_bit_data[0:3]);
assign f_dcd_ex1_fpscr_bit_mask_b[0:3] = (~ex1_fpscr_bit_mask[0:3]);
assign f_dcd_ex1_fpscr_nib_mask_b[0:8] = (~ex1_fpscr_nib_mask[0:8]);
//-------------------------------------------------------------------
// Outputs to Mad
assign f_dcd_ex1_thread = ex1_instr_v[0:1]; // one hot
assign f_dcd_ex1_aop_valid = ex1_instr_fra_v;
assign f_dcd_ex1_cop_valid = ex1_instr_frc_v | ((~perr_sm_l2[0]) & ex1_perr_sm_instr_v); //Reading out parity // perr_insert
assign f_dcd_ex1_bop_valid = ex1_instr_frb_v | ((~perr_sm_l2[0]) & ex1_perr_sm_instr_v); //Reading out parity // perr_insert
assign f_dcd_ex1_sp = ex1_sp & (~(ex1_fcfids | ex1_fcfiwus | ex1_fcfidus));
assign f_dcd_ex1_emin_dp = tilo;
assign f_dcd_ex1_emin_sp = ex1_frsp;
assign f_dcd_ex1_force_pass_b = (~(ex1_fmr | ex1_fabs | ex1_fnabs | ex1_fneg | ex1_mtfsf | ex1_fcpsgn));
assign f_dcd_ex1_fsel_b = (~ex1_fsel);
assign f_dcd_ex1_from_integer_b = (~ex1_from_ints);
assign f_dcd_ex1_to_integer_b = (~(ex1_to_ints | ex1_frim | ex1_frin | ex1_frip | ex1_friz));
assign f_dcd_ex1_rnd_to_int_b = (~(ex1_frim | ex1_frin | ex1_frip | ex1_friz));
assign f_dcd_ex1_math_b = (~(ex1_fmul | ex1_fmadd | ex1_fmsub | ex1_fadd | ex1_fsub | ex1_fnmsub | ex1_fnmadd));
assign f_dcd_ex1_est_recip_b = (~ex1_fres);
assign f_dcd_ex1_est_rsqrt_b = (~ex1_frsqrte);
assign f_dcd_ex1_move_b = (~(ex1_moves));
assign f_dcd_ex1_prenorm_b = (~(ex1_prenorm));
assign f_dcd_ex1_frsp_b = (~ex1_frsp);
assign f_dcd_ex1_compare_b = (~ex1_cr_val);
assign f_dcd_ex1_ordered_b = (~ex1_fcmpo);
assign f_dcd_ex1_sp_conv_b = (~(ex1_fcfids | ex1_fcfidus | ex1_fcfiwus));
assign f_dcd_ex1_uns_b = (~(ex1_fcfidu | ex1_fcfidus | ex1_fcfiwu | ex1_fcfiwus | ex1_fctidu | ex1_fctiduz | ex1_fctiwu | ex1_fctiwuz));
assign f_dcd_ex1_word_b = (~(ex1_fctiw | ex1_fctiwu | ex1_fctiwz | ex1_fctiwuz | ex1_fcfiwu | ex1_fcfiwus));
assign f_dcd_ex1_sub_op_b = (~(ex1_fsub | ex1_fmsub | ex1_fnmsub | ex1_cr_val));
assign f_dcd_ex1_inv_sign_b = (~(ex1_fnmadd | ex1_fnmsub));
assign f_dcd_ex1_sign_ctl_b[0] = (~(ex1_fmr | ex1_fnabs));
assign f_dcd_ex1_sign_ctl_b[1] = (~(ex1_fneg | ex1_fnabs));
assign f_dcd_ex1_sgncpy_b = (~ex1_fcpsgn);
assign f_dcd_ex1_mv_to_scr_b = (~(ex1_mcrfs | ex1_mtfsf | ex1_mtfsfi | ex1_mtfsb0 | ex1_mtfsb1));
assign f_dcd_ex1_mv_from_scr_b = (~ex1_mffs);
assign f_dcd_ex1_mtfsbx_b = (~(ex1_mtfsb0 | ex1_mtfsb1));
assign f_dcd_ex1_mcrfs_b = (~ex1_mcrfs);
assign f_dcd_ex1_mtfsf_b = (~ex1_mtfsf);
assign f_dcd_ex1_mtfsfi_b = (~ex1_mtfsfi);
assign ex0_instr_vld = |(ex0_instr_valid[0:3]);
assign f_dcd_ex0_div = ex0_fdiv & ex0_instr_vld & (~ex0_ucode_preissue);
assign f_dcd_ex0_divs = ex0_fdivs & ex0_instr_vld & (~ex0_ucode_preissue);
assign f_dcd_ex0_sqrt = ex0_fsqrt & ex0_instr_vld & (~ex0_ucode_preissue);
assign f_dcd_ex0_sqrts = ex0_fsqrts & ex0_instr_vld & (~ex0_ucode_preissue);
assign f_dcd_ex0_record_v = rv_axu0_ex0_instr[31];
assign f_dcd_ex2_divsqrt_v = |(ex2_fdivsqrt_start);
assign f_dcd_ex1_itag = ex1_itag;
assign f_dcd_flush[0:1] = cp_flush_q |
xu_ex3_flush[0:1] |
(ex3_fdivsqrt_start & {2{f_ex3_b_den_flush}}) |
(ex3_fdivsqrt_start & {2{(ex3_abort_a | ex3_abort_b)}}); // kill fdiv/fsqrt on an abort
assign f_dcd_ex1_mad_act = ex1_v | ex2_axu_v | ex1_perr_sm_instr_v;
assign f_dcd_ex1_sto_act = ex1_str_v;
// Force rounding mode.
// 00 - round to nearest
// 01 - round toward zero
// 10 - round toward +Inf
// 11 - round toward -Inf
assign ex1_rnd0 = (ex1_frim | ex1_frip);
assign ex1_rnd1 = (ex1_fctidz | ex1_fctiwz | ex1_fctiduz | ex1_fctiwuz | ex1_friz | ex1_frim);
assign f_dcd_ex1_op_rnd_v_b = (~(ex1_fctidz | ex1_fctiwz | ex1_fctiduz | ex1_fctiwuz | ex1_frim | ex1_frin | ex1_frip | ex1_friz));
assign f_dcd_ex1_op_rnd_b[0:1] = (~({ex1_rnd0, ex1_rnd1}));
assign f_dcd_ex1_thread_b[0:3] = (~ex1_instr_v[0:3]);
//----------------------------------------------------------------------
// Store Decode
assign pri_ex1[0:5] = ex1_instr[0:5];
assign sec_ex1[20:31] = ex1_instr[20:31];
assign st_ex1 = ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[20] & (~sec_ex1[21]) & (~sec_ex1[22]) & (~sec_ex1[23]) & sec_ex1[24] & (~sec_ex1[26]) & (~sec_ex1[27]) & (~sec_ex1[28]) & sec_ex1[29] & sec_ex1[30]) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[22]) & sec_ex1[23] & sec_ex1[24] & sec_ex1[25] & sec_ex1[26] & sec_ex1[27] & sec_ex1[28] & sec_ex1[29]) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[22]) & sec_ex1[23] & sec_ex1[24] & (~sec_ex1[25]) & sec_ex1[26] & sec_ex1[27] & sec_ex1[28] & sec_ex1[30]) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & sec_ex1[23] & sec_ex1[24] & (~sec_ex1[25]) & sec_ex1[26] & (~sec_ex1[27]) & sec_ex1[28] & sec_ex1[29] & sec_ex1[30]) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[22]) & sec_ex1[23] & sec_ex1[26] & (~sec_ex1[27]) & sec_ex1[28] & sec_ex1[29] & sec_ex1[30]) | (pri_ex1[0] & pri_ex1[1] & (~pri_ex1[2]) & pri_ex1[3]);
assign single_precision_ldst = ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[22]) & sec_ex1[28] & sec_ex1[29] & (~sec_ex1[30])) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[22]) & (~sec_ex1[24])) | (pri_ex1[0] & (~pri_ex1[2]) & (~pri_ex1[4]));
assign int_word_ldst = ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[20] & (~sec_ex1[22]) & (~sec_ex1[23]) & (~sec_ex1[26]) & (~sec_ex1[27]) & (~sec_ex1[28]) & sec_ex1[29] & sec_ex1[30]) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[22] & sec_ex1[24] & sec_ex1[26] & (~sec_ex1[27]) & sec_ex1[28] & sec_ex1[29] & sec_ex1[30]) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[22]) & (~sec_ex1[23]) & sec_ex1[28] & (~sec_ex1[29])) | ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] & (~sec_ex1[25]) & (~sec_ex1[29]));
// store_tag[0:1]
// 00 store DP
// 10 store SP
// 11 store SP Word
assign f_dcd_ex1_sto_dp = (~single_precision_ldst);
assign f_dcd_ex1_sto_sp = single_precision_ldst & (~int_word_ldst);
assign f_dcd_ex1_sto_wd = single_precision_ldst & int_word_ldst;
assign sign_ext_ldst = ((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[21] &
(~sec_ex1[22]) & (~sec_ex1[23]) & sec_ex1[28] & (~sec_ex1[29]) & (~sec_ex1[30])) |
((~pri_ex1[0]) & pri_ex1[1] & pri_ex1[2] & pri_ex1[3] & pri_ex1[4] & pri_ex1[5] & sec_ex1[22] &
(~sec_ex1[23]) & sec_ex1[24] & (~sec_ex1[25]));
assign f_dcd_ex1_log2e_b = (~ex1_loge);
assign f_dcd_ex1_pow2e_b = (~ex1_expte);
assign f_dcd_ex1_ftdiv = ex1_ftdiv;
assign f_dcd_ex1_ftsqrt = ex1_ftsqrt;
//----------------------------------------------------------------------
// ex2
assign ex2_cr_val_din = ex1_cr_val | ex1_ftdiv | ex1_ftsqrt;
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(21)) ex2_ctl(
.nclk(nclk),
.act(tiup),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[2]),
.mpw1_b(mpw1_b[2]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex2_ctl_si[0:20]),
.scout(ex2_ctl_so[0:20]),
//-------------------------------------------
.din({ ex1_instr_valid[0:3],
ex2_cr_val_din,
ex1_record,
ex1_kill_wen,
ex1_mcrfs,
ex1_instr_match,
ex1_is_ucode,
ex1_fdivsqrt_start_din,
ex1_fra_v,
ex1_frb_v,
ex1_frc_v,
ex1_str_v,
ex2_frs_byp_din,
ex1_abort_a_din,
ex1_abort_b_din,
ex1_abort_c_din,
ex1_abort_s_din}),
//-------------------------------------------
.dout({ ex2_instr_v[0:3],
ex2_cr_val,
ex2_record,
ex2_kill_wen,
ex2_mcrfs,
ex2_instr_match,
ex2_is_ucode,
ex2_fdivsqrt_start,
ex2_fra_v,
ex2_frb_v,
ex2_frc_v,
ex2_str_v,
ex2_frs_byp,
ex2_abort_a_q,
ex2_abort_b_q,
ex2_abort_c_q,
ex2_abort_s_q})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(6)) ex2_frt(
.nclk(nclk),
.act(ex1_v),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[2]),
.mpw1_b(mpw1_b[2]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex2_frt_si[0:5]),
.scout(ex2_frt_so[0:5]),
//-------------------------------------------
.din(ex1_instr_frt[0:5]),
//-------------------------------------------
.dout(ex2_instr_frt[0:5])
);
//-------------------------------------------
assign ex1_ucode_preissue_din = ex1_ucode_preissue & |(ex1_instr_valid);
tri_rlmreg_p #(.INIT(0), .WIDTH(16)) ex2_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[2]),
.mpw1_b(mpw1_b[2]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex2_itag_si),
.scout(ex2_itag_so),
//-------------------------------------------
.din({ ex1_itag[0:6],
ex1_fpscr_addr[0:5],
ex1_fpscr_wen,
ex1_ucode_preissue_din,
ex1_isRam}),
//-------------------------------------------
.dout({ ex2_itag[0:6],
ex2_fpscr_addr[0:5],
ex2_fpscr_wen,
ex2_ucode_preissue,
ex2_isRam})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(5)) ex2_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[2]),
.mpw1_b(mpw1_b[2]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex2_crbf_si[0:4]),
.scout(ex2_crbf_so[0:4]),
.din(ex1_cr_bf[0:4]),
.dout(ex2_cr_bf[0:4])
);
// Flushes
assign ex2_instr_valid[0:3] = ex2_instr_v[0:3] & (~xu_ex2_flush[0:3]);
assign ex2_v = ex2_instr_v[0] | ex2_instr_v[1];
assign ex2_axu_v = ex2_v | ex2_fdivsqrt_start[0] | ex2_fdivsqrt_start[1];
assign ex2_instr_vld = (ex2_instr_v[0] & (~xu_ex2_flush[0])) | (ex2_instr_v[1] & (~xu_ex2_flush[1])) ;
// Loads/Stores
assign ex2_str_valid = ex2_str_v & |(ex2_instr_valid[0:3]);
assign ex2_fra_valid = ex2_fra_v & ( |(ex2_instr_valid[0:3]) | |(ex2_fdivsqrt_start));
assign ex2_frb_valid = ex2_frb_v & ( |(ex2_instr_valid[0:3]) | |(ex2_fdivsqrt_start));
assign ex2_frc_valid = ex2_frc_v & |(ex2_instr_valid[0:3]);
// Completion to XU
assign ex2_ifar_val[0:3] = ex2_instr_valid[0:3];
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_store_data_val_thr1_1
assign fu_lq_ex2_store_data_val[0] = ex2_str_valid & ex2_instr_valid[0] & (~ex2_ucode_preissue) & (~ex2_abort_s);
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_store_data_val_thr2_1
assign fu_lq_ex2_store_data_val[0] = ex2_str_valid & ex2_instr_valid[0] & (~ex2_ucode_preissue) & (~ex2_abort_s);
assign fu_lq_ex2_store_data_val[1] = ex2_str_valid & ex2_instr_valid[1] & (~ex2_ucode_preissue) & (~ex2_abort_s);
end
endgenerate
assign fu_lq_ex2_store_itag = ex2_itag;
assign ex2_fdivsqrt_start_din = ex2_fdivsqrt_start & (~xu_ex2_flush[0:1]);
assign ex2_abort_a = ex2_abort_a_q;
assign ex2_abort_b = ex2_abort_b_q;
assign ex2_abort_c = ex2_abort_c_q;
assign ex2_abort_s = ex2_abort_s_q;
assign ex2_abort_a_din = ex2_abort_a & (ex2_instr_vld | |(ex2_fdivsqrt_start_din));
assign ex2_abort_b_din = ex2_abort_b & (ex2_instr_vld | |(ex2_fdivsqrt_start_din));
assign ex2_abort_c_din = ex2_abort_c & ex2_instr_vld;
assign ex2_abort_s_din = ex2_abort_s & ex2_instr_vld;
assign axu0_rv_ex2_s1_abort = ex2_abort_a; // these do not need to be gated with cp_flush
assign axu0_rv_ex2_s2_abort = ex2_abort_b;
assign axu0_rv_ex2_s3_abort = ex2_abort_c | ex2_abort_s;
//----------------------------------------------------------------------
// ex3
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(7)) ex3_ctlng_lat(
.nclk(nclk),
.act(tiup),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[3]),
.mpw1_b(mpw1_b[3]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex3_ctlng_si[0:6]),
.scout(ex3_ctlng_so[0:6]),
//-------------------------------------------
.din({ ex2_instr_valid[0:3],
ex2_instr_match,
ex2_fdivsqrt_start_din[0:1]}),
//-------------------------------------------
.dout({ ex3_instr_v[0:3],
ex3_instr_match,
ex3_fdivsqrt_start[0:1] })
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(24)) ex3_ctl_lat(
.nclk(nclk),
.act(ex2_axu_v),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[3]),
.mpw1_b(mpw1_b[3]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex3_ctl_si[0:23]),
.scout(ex3_ctl_so[0:23]),
//-------------------------------------------
.din({
ex2_instr_frt[0:5],
ex2_cr_val,
ex2_record,
ex2_str_valid,
ex2_kill_wen,
ex2_mcrfs,
ex2_is_ucode,
ex2_ifar_val[0:3],
ex2_fra_valid,
ex2_frb_valid,
ex2_frc_valid,
ex2_frs_byp,
ex2_abort_a_din,
ex2_abort_b_din,
ex2_abort_c_din,
ex2_abort_s_din}),
//-------------------------------------------
.dout({
ex3_instr_frt[0:5],
ex3_cr_val,
ex3_record,
ex3_str_v,
ex3_kill_wen,
ex3_mcrfs,
ex3_is_ucode,
ex3_ifar_val[0:3],
ex3_fra_v,
ex3_frb_v,
ex3_frc_v,
ex3_frs_byp,
ex3_abort_a,
ex3_abort_b,
ex3_abort_c,
ex3_abort_s })
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(1)) ex3_stdv_lat(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[3]),
.mpw1_b(mpw1_b[3]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex3_stdv_si),
.scout(ex3_stdv_so),
//-------------------------------------------
.din(ex2_str_valid),
.dout(ex3_store_v)
);
assign ex2_ucode_preissue_din = ex2_ucode_preissue & |(ex2_instr_valid);
tri_rlmreg_p #(.INIT(0), .WIDTH(16)) ex3_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[3]),
.mpw1_b(mpw1_b[3]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex3_itag_si),
.scout(ex3_itag_so),
//-------------------------------------------
.din({ ex2_itag[0:6],
ex2_fpscr_addr[0:5],
ex2_fpscr_wen,
ex2_ucode_preissue_din,
ex2_isRam}),
//-------------------------------------------
.dout({ ex3_itag[0:6],
ex3_fpscr_addr[0:5],
ex3_fpscr_wen,
ex3_ucode_preissue,
ex3_isRam})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(5)) ex3_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[3]),
.mpw1_b(mpw1_b[3]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex3_crbf_si[0:4]),
.scout(ex3_crbf_so[0:4]),
.din(ex2_cr_bf[0:4]),
.dout(ex3_cr_bf[0:4])
);
// Flushes
assign ex3_instr_valid[0:3] = ex3_instr_v[0:3] & (~xu_ex3_flush[0:3]);
assign f_dcd_ex2_divsqrt_hole_v = ((~|(ex2_instr_v[0:3]))) & ((~|(ex0_instr_v[0:3]))) & (perr_sm_l2[0]); // in case there is a denormal result, need both cycles free
// The n flush for next cycle
// The N flush can come from either an FU instruction, or a load in the XU pipe
assign ex3_n_flush[0:3] = ((ex3_instr_valid[0:3] | {4{|({4{ex3_fdivsqrt_start}})}}) & {4{f_ex3_b_den_flush}} & (~({4{ex3_ucode_preissue}})));
// flush2ucode
assign ex3_flush2ucode[0:3] = (ex3_instr_v[0:3] | {4{|({4{ex3_fdivsqrt_start}})}}) & {4{f_ex3_b_den_flush}} & (~xu_ex3_flush[0:3]);
assign ex3_store_valid = ex3_store_v;
assign ex3_fdivsqrt_start_din = ex3_fdivsqrt_start & (~xu_ex3_flush[0:1]);
assign ex3_instr_vld = |((ex3_instr_v[0:1] & (~xu_ex3_flush[0:1])) | (ex3_fdivsqrt_start & (~xu_ex3_flush[0:1])));
assign ex3_abort_din = (ex3_abort_a | ex3_abort_b | ex3_abort_c | ex3_abort_s) & ex3_instr_vld;
assign fu_lq_ex3_abort = ex3_abort_s;
//----------------------------------------------------------------------
// ex4
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(30)) ex4_ctl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[4]),
.mpw1_b(mpw1_b[4]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex4_ctl_si[0:29]),
.scout(ex4_ctl_so[0:29]),
//-------------------------------------------
.din({ ex3_instr_valid[0:3],
ex3_instr_frt[0:5],
ex3_cr_val,
ex3_record,
f_ex3_b_den_flush,
ex3_kill_wen,
ex3_mcrfs,
ex3_instr_match,
ex3_is_ucode,
ex3_n_flush[0:3],
ex3_flush2ucode[0:3],
ex3_store_valid,
ex3_fdivsqrt_start_din,
ex3_instr_vns_taken,
ex3_abort_din}),
//-------------------------------------------
.dout( { ex4_instr_v[0:3],
ex4_instr_frt[0:5],
ex4_cr_val,
ex4_record,
ex4_b_den_flush,
ex4_kill_wen,
ex4_mcrfs,
ex4_instr_match,
ex4_is_ucode,
ex4_n_flush[0:3],
ex4_flush2ucode[0:3],
ex4_store_valid,
ex4_fdivsqrt_start,
ex4_instr_vns_taken,
ex4_abort})
);
//-------------------------------------------
assign ex3_ucode_preissue_din = ex3_ucode_preissue & |(ex3_instr_valid);
tri_rlmreg_p #(.INIT(0), .WIDTH(16)) ex4_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[4]),
.mpw1_b(mpw1_b[4]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex4_itag_si),
.scout(ex4_itag_so),
//-------------------------------------------
.din({ ex3_itag[0:6],
ex3_fpscr_addr[0:5],
ex3_fpscr_wen,
ex3_ucode_preissue_din,
ex3_isRam}),
//-------------------------------------------
.dout({ ex4_itag[0:6],
ex4_fpscr_addr[0:5],
ex4_fpscr_wen,
ex4_ucode_preissue,
ex4_isRam})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(5)) ex4_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[4]),
.mpw1_b(mpw1_b[4]),
.mpw2_b(mpw2_b[0]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex4_crbf_si[0:4]),
.scout(ex4_crbf_so[0:4]),
.din(ex3_cr_bf[0:4]),
.dout(ex4_cr_bf[0:4])
);
// Flushes
assign ex4_instr_valid[0:3] = ex4_instr_v[0:3] & (~xu_ex4_flush[0:3]) & (~({4{ex4_store_valid}}));
assign ex4_fdivsqrt_start_din = ex4_fdivsqrt_start & (~xu_ex4_flush[0:1]);
// Outputs
assign ex4_instr_vld = |((ex4_instr_v[0:1] & (~xu_ex4_flush[0:1])) | (ex4_fdivsqrt_start & (~xu_ex4_flush[0:1])));
assign ex4_abort_din = ex4_abort & ex4_instr_vld;
//----------------------------------------------------------------------
// ex5
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(22)) ex5_ctl_lat(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[5]),
.mpw1_b(mpw1_b[5]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex5_ctl_si),
.scout(ex5_ctl_so),
//-------------------------------------------
.din({ ex4_instr_valid[0:3],
ex4_instr_frt[0:5],
ex4_cr_val,
ex4_cr_val,
ex4_record,
ex4_kill_wen,
ex4_mcrfs,
ex4_is_ucode,
ex4_fdivsqrt_start_din,
ex4_instr_vns_taken_din,
ex4_abort_din,
spare_unused[22:23] }),
//-------------------------------------------
.dout({ ex5_instr_v[0:3],
ex5_instr_frt[0:5],
ex5_cr_val,
ex5_cr_val_cp,
ex5_record,
ex5_kill_wen,
ex5_mcrfs,
ex5_is_ucode,
ex5_fdivsqrt_start,
ex5_instr_vns_taken,
ex5_abort_l2,
spare_unused[22:23] })
);
//-------------------------------------------
assign ex4_ucode_preissue_din = ex4_ucode_preissue & |(ex4_instr_valid);
tri_rlmreg_p #(.INIT(0), .WIDTH(17)) ex5_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[5]),
.mpw1_b(mpw1_b[5]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex5_itag_si),
.scout(ex5_itag_so),
//-------------------------------------------
.din({ ex4_itag[0:6],
ex5_b_den_flush_din,
ex4_fpscr_addr[0:5],
ex4_fpscr_wen,
ex4_ucode_preissue_din,
ex4_isRam}),
//-------------------------------------------
.dout({ ex5_itag[0:6],
ex5_b_den_flush,
ex5_fpscr_addr[0:5],
ex5_fpscr_wen,
ex5_ucode_preissue,
ex5_isRam})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(5)) ex5_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[5]),
.mpw1_b(mpw1_b[5]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex5_crbf_si[0:4]),
.scout(ex5_crbf_so[0:4]),
.din(ex4_cr_bf[0:4]),
.dout(ex5_cr_bf[0:4])
);
// Pipe the CR
assign ex5_cr[0:3] = f_add_ex5_fpcc_iu[0:3];
// Flushes
assign ex5_instr_valid[0:3] = (ex5_instr_v[0:3]) & (~xu_ex5_flush[0:3]);
// This creates ex5_cr_val, make sure it wasn't flushed
assign ex5_record_din = ex5_record & |(ex5_instr_valid[0:3]);
assign ex5_mcrfs_din = ex5_mcrfs & |(ex5_instr_valid[0:3]);
assign ex5_cr_val_din = ex5_cr_val & |(ex5_instr_valid[0:3]);
assign ex5_instr_tid[0] = ex5_instr_v[2] | ex5_instr_v[3];
assign ex5_instr_tid[1] = ex5_instr_v[1] | ex5_instr_v[3];
// ex6_kill_wen_din <= ex5_kill_wen or ex5_uc_special;--Preserve s1 on special fdiv/fsqrt
assign ex5_kill_wen_din = ex5_kill_wen; //Preserve s1 on special fdiv/fsqrt
assign ex5_instr_valid_din[0] = ex5_instr_valid[0];
assign ex5_instr_valid_din[1] = ex5_instr_valid[1];
assign ex5_instr_valid_din[2] = ex5_instr_valid[2];
assign ex5_instr_valid_din[3] = ex5_instr_valid[3];
assign ex5_instr_frt_din[0:5] = (ex5_instr_frt[0:5] & (~{6{perr_sm_l2[2]}})) | (perr_addr_l2[0:5] & {6{perr_sm_l2[2]}}); // perr_insert
assign ex5_fdivsqrt_start_din = ex5_fdivsqrt_start & (~xu_ex5_flush[0:1]);
assign ex5_instr_vld = |((ex5_instr_v[0:1] & (~xu_ex5_flush[0:1])) | (ex5_fdivsqrt_start & (~xu_ex5_flush[0:1])));
assign ex5_abort_din = ex5_abort_l2 & ex5_instr_vld;
assign ex5_abort_lq_din = lq_fu_ex5_abort ;
//----------------------------------------------------------------------
// ex6
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(21)) ex6_ctl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[6]),
.mpw1_b(mpw1_b[6]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex6_ctl_si[0:20]),
.scout(ex6_ctl_so[0:20]),
//-------------------------------------------
.din({ ex5_instr_valid_din[0:3],
ex5_instr_frt_din[0:5],
ex5_record_din,
ex5_mcrfs_din,
ex5_is_ucode,
ex5_cr_val_din,
ex5_kill_wen_din,
ex5_fdivsqrt_start_din,
ex5_abort_din,
ex5_abort_lq_din,
spare_unused[24:25]}),
//-------------------------------------------
.dout({ ex6_instr_v[0:3],
ex6_instr_frt[0:5],
ex6_record,
ex6_mcrfs,
ex6_is_ucode,
ex6_cr_val,
ex6_kill_wen_q,
ex6_fdivsqrt_start,
ex6_abort,
ex6_abort_lq,
spare_unused[24:25]})
);
//-------------------------------------------
assign ex5_ucode_preissue_din = ex5_ucode_preissue & |(ex5_instr_valid);
tri_rlmreg_p #(.INIT(0), .WIDTH(17)) ex6_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[6]),
.mpw1_b(mpw1_b[6]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex6_itag_si),
.scout(ex6_itag_so),
//-------------------------------------------
.din({ ex5_itag_din[0:6],
ex5_b_den_flush,
ex5_fpscr_addr[0:5],
ex5_fpscr_wen,
ex5_ucode_preissue_din,
ex5_isRam}),
//-------------------------------------------
.dout({ ex6_itag[0:6],
ex6_b_den_flush,
ex6_fpscr_addr[0:5],
ex6_fpscr_wen,
ex6_ucode_preissue,
ex6_isRam})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(9)) ex6_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[6]),
.mpw1_b(mpw1_b[6]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex6_crbf_si[0:8]),
.scout(ex6_crbf_so[0:8]),
.din({ ex5_cr_bf[0:4],
ex5_cr[0:3]}),
.dout({ ex6_cr_bf[0:4],
ex6_cr[0:3]})
);
assign ex6_instr_tid[0] = ((ex6_instr_v[0] | (f_dsq_ex6_divsqrt_instr_tid[0] & ex6_divsqrt_v)) & (~xu_ex6_flush[0]));
assign ex6_instr_tid[1] = ((ex6_instr_v[1] | (f_dsq_ex6_divsqrt_instr_tid[1] & ex6_divsqrt_v)) & (~xu_ex6_flush[1]));
assign ex6_iflush_b[0] = (~(xu_ex6_flush[0] & ex6_instr_v[0])); //big
assign ex6_iflush_b[1] = (~(xu_ex6_flush[1] & ex6_instr_v[1])); //big
assign ex6_iflush_b[2] = (~(xu_ex6_flush[2] & ex6_instr_v[2])); //big
assign ex6_iflush_b[3] = (~(xu_ex6_flush[3] & ex6_instr_v[3])); //big
assign ex6_iflush_01 = (~(ex6_iflush_b[0] & ex6_iflush_b[1]));
assign ex6_iflush_23 = (~(ex6_iflush_b[2] & ex6_iflush_b[3]));
assign ex6_instr_flush_b = (~(ex6_iflush_01 | ex6_iflush_23));
assign ex6_instr_flush = (~ex6_instr_flush_b); //small
assign ex6_divsqrt_v = |(f_dsq_ex6_divsqrt_v);
assign ex6_divsqrt_v_suppress = f_dsq_ex6_divsqrt_v_suppress;
// perr_insert
assign ex6_instr_valid[0] = ((ex6_instr_v[0] | (f_dsq_ex6_divsqrt_instr_tid[0] & ex6_divsqrt_v)) & (~xu_ex6_flush[0])) | (perr_sm_l2[2] & ex6_perr_sm_instr_v & perr_tid_l2[0:1] == 2'b10);
assign ex6_instr_valid[1] = ((ex6_instr_v[1] | (f_dsq_ex6_divsqrt_instr_tid[1] & ex6_divsqrt_v)) & (~xu_ex6_flush[1])) | (perr_sm_l2[2] & ex6_perr_sm_instr_v & perr_tid_l2[0:1] == 2'b01);
assign ex6_instr_valid[2] = ((ex6_instr_v[2] | (f_dsq_ex6_divsqrt_instr_tid[2] & ex6_divsqrt_v)) & (~xu_ex6_flush[2])) ;
assign ex6_instr_valid[3] = ((ex6_instr_v[3] | (f_dsq_ex6_divsqrt_instr_tid[3] & ex6_divsqrt_v)) & (~xu_ex6_flush[3])) ;
assign ex6_instr_valid_din[0] = ex6_instr_valid[0];
assign ex6_instr_valid_din[1] = ex6_instr_valid[1];
assign ex6_instr_valid_din[2] = ex6_instr_valid[2];
assign ex6_instr_valid_din[3] = ex6_instr_valid[3];
assign ex6_kill_wen = (ex6_kill_wen_q & (~(ex6_divsqrt_v & (~ex6_divsqrt_v_suppress)))) | (ex6_divsqrt_v & ex6_divsqrt_v_suppress);
assign ex6_kill_wen_din = (ex6_kill_wen | (((~f_pic_ex6_fpr_wr_dis_b)) & (~ex6_divsqrt_v))) & (~(perr_sm_l2[2] & ex6_perr_sm_instr_v)); // parity merge
assign ex6_fpr_wr_dis = ((((~f_pic_ex6_fpr_wr_dis_b)) & (~ex6_divsqrt_v)) & (~ex6_kill_wen)) | (ex6_divsqrt_v & ex6_divsqrt_v_suppress);
//Make a copy without the flush for bypass
assign ex6_instr_bypval[0] = ex6_instr_v[0] & f_pic_ex6_fpr_wr_dis_b & (~ex6_kill_wen);
assign ex6_instr_bypval[1] = ex6_instr_v[1] & f_pic_ex6_fpr_wr_dis_b & (~ex6_kill_wen);
assign ex6_instr_bypval[2] = ex6_instr_v[2] & f_pic_ex6_fpr_wr_dis_b & (~ex6_kill_wen);
assign ex6_instr_bypval[3] = ex6_instr_v[3] & f_pic_ex6_fpr_wr_dis_b & (~ex6_kill_wen);
assign f_dcd_ex6_frt_tid[0:1] = ex6_instr_tid[0:1];
// Don't update CR during certain exceptions
assign ex7_record_din = (ex6_record | (ex6_divsqrt_v & f_dsq_ex6_divsqrt_record_v)) & (~ex6_instr_flush);
assign ex7_mcrfs_din = ex6_mcrfs & (~ex6_instr_flush);
assign ex7_cr_val_din = ex6_cr_val & (~ex6_instr_flush);
assign ex6_cr_bf_din = (ex6_cr_bf & {5{(~ex6_divsqrt_v)}}) | (f_dsq_ex6_divsqrt_cr_bf & {5{ex6_divsqrt_v}});
// Outputs
assign ex6_fpscr_move = (~(f_pic_ex6_scr_upd_move_b));
assign ex6_fdivsqrt_start_din = ex6_fdivsqrt_start & (~xu_ex6_flush[0:1]);
assign ex6_instr_vld = |((ex6_instr_v[0:1] & (~xu_ex6_flush[0:1])) | (ex6_fdivsqrt_start & (~xu_ex6_flush[0:1])));
assign ex6_abort_din = ex6_abort & ex6_instr_vld;
//----------------------------------------------------------------------
// ex7
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(23)) ex7_ctl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[7]),
.mpw1_b(mpw1_b[7]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex7_ctl_si[0:22]),
.scout(ex7_ctl_so[0:22]),
//-------------------------------------------
.din({ ex6_instr_valid_din[0:3],
ex7_instr_frt_din[0:5],
ex7_record_din,
ex7_mcrfs_din,
ex6_is_ucode,
ex7_cr_val_din,
ex6_kill_wen_din,
ex6_fpr_wr_dis,
ex6_fdivsqrt_start_din,
ex6_abort_din,
ex6_abort_lq,
spare_unused[26:27],
spare_unused[30]}),
//-------------------------------------------
.dout({ ex7_instr_v[0:3],
ex7_instr_frt[0:5],
ex7_record,
ex7_mcrfs,
ex7_is_ucode,
ex7_cr_val,
ex7_kill_wen,
ex7_fpr_wr_dis,
ex7_fdivsqrt_start,
ex7_abort,
ex7_abort_lq,
spare_unused[26:27],
spare_unused[30] })
);
//-------------------------------------------
assign ex7_fdivsqrt_start_din = ex7_fdivsqrt_start & (~xu_ex7_flush[0:1]);
assign ex6_ucode_preissue_din = ex6_ucode_preissue & |(ex6_instr_valid);
tri_rlmreg_p #(.INIT(0), .WIDTH(18)) ex7_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[7]),
.mpw1_b(mpw1_b[7]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex7_itag_si),
.scout(ex7_itag_so),
//-------------------------------------------
.din({ ex6_itag[0:6],
ex6_b_den_flush,
ex6_fpscr_addr_din[0:5],
ex6_fpscr_wen_din,
ex6_fpscr_move,
ex6_ucode_preissue_din,
ex6_isRam}),
//-------------------------------------------
.dout({ ex7_itag[0:6],
ex7_b_den_flush,
ex7_fpscr_addr[0:5],
ex7_fpscr_wen,
ex7_fpscr_move,
ex7_ucode_preissue,
ex7_isRam})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(18)) ex7_la(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[7]),
.mpw1_b(mpw1_b[7]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex7_laddr_si),
.scout(ex7_laddr_so),
//-------------------------------------------
.din({ ex6_load_addr[0:7],
ex6_reload_addr[0:7],
ex6_load_v,
ex6_reload_v }),
//-------------------------------------------
.dout({ ex7_load_addr[0:7],
ex7_reload_addr[0:7],
ex7_load_v,
ex7_reload_v})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(9)) ex7_crbf(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[7]),
.mpw1_b(mpw1_b[7]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex7_crbf_si[0:8]),
.scout(ex7_crbf_so[0:8]),
.din({ ex6_cr_bf_din[0:4],
ex6_cr[0:3]}),
.dout({ ex7_cr_bf[0:4],
ex7_cr[0:3]})
);
assign ex7_instr_tid[0] = ex7_instr_v[2] | ex7_instr_v[3];
assign ex7_instr_tid[1] = ex7_instr_v[1] | ex7_instr_v[3];
// Flushes - flushes in ex7
// perr_insert
assign ex7_instr_valid = |(ex7_instr_v[0:1] & (~cp_flush_q[0:1])) | (perr_sm_l2[2] & ex7_perr_sm_instr_v);
assign ex7_instr_v_din[0] = (ex7_instr_v[0] & (~cp_flush_q[0])) | (perr_sm_l2[2] & ex7_perr_sm_instr_v & perr_tid_l2[0]);
assign ex7_instr_v_din[1] = (ex7_instr_v[1] & (~cp_flush_q[1])) | (perr_sm_l2[2] & ex7_perr_sm_instr_v & perr_tid_l2[1]);
// Outputs ex7
assign f_dcd_ex7_frt_addr[0:5] = ex7_instr_frt[0:5];
assign f_dcd_ex7_frt_tid[0:1] = ex7_instr_tid[0:1];
assign f_dcd_ex7_frt_wen = ex7_instr_valid & (~ex7_kill_wen) & (~ex7_ucode_preissue) & (~ex7_fu_unavail) & (~ex7_abort) & (~ex7_perr_cancel);
assign f_dcd_ex7_fpscr_wr = ex7_fpscr_wen & ex7_instr_valid & (~ex7_ucode_preissue) & (~ex7_fu_unavail) & (~ex7_abort);
assign f_dcd_ex7_fpscr_addr[0:5] = ex7_fpscr_addr[0:5];
assign ex7_perr_cancel = |(ex7_regfile_err_det[0:1] & ex7_instr_v[0:1]);
assign f_dcd_ex7_cancel = ((~ex7_instr_valid)) | ex7_ucode_preissue | ex7_fu_unavail | ex7_b_den_flush | ex7_perr_cancel;
// Records
assign ex7_record_v = ex7_instr_valid & (ex7_record | ex7_mcrfs);
assign ex8_b_den_flush_din = ex7_b_den_flush & (ex7_instr_valid | |(ex7_fdivsqrt_start));
assign ex8_fpr_wr_dis_din = ex7_fpr_wr_dis & ex7_instr_valid & (~ex7_fu_unavail);
assign ex8_fpscr_move_din = ex7_fpscr_move & ex7_instr_valid;
//----------------------------------------------------------------------
// ex8 FPSCR, Record Forms
assign ex7_ucode_preissue_din = ex7_ucode_preissue & ex7_instr_valid;
assign ex7_instr_vld = |((ex7_instr_v[0:1] & (~xu_ex7_flush[0:1])) | (ex7_fdivsqrt_start & (~xu_ex7_flush[0:1])));
assign ex7_abort_din = ex7_abort & ex7_instr_vld;
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(32)) ex8_ctl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[8]),
.mpw1_b(mpw1_b[8]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex8_ctl_si[0:31]),
.scout(ex8_ctl_so[0:31]),
//-------------------------------------------
.din({ ex7_record_v,
ex7_cr_bf[0:4],
ex7_instr_valid,
ex7_instr_frt[0:5],
ex7_cr[0:3],
ex7_cr_val,
ex7_instr_tid[0:1],
ex8_fpr_wr_dis_din,
ex7_kill_wen,
ex8_fpscr_move_din,
ex7_ucode_preissue_din,
ex7_fdivsqrt_start_din,
ex7_instr_v_din[0:1],
ex7_abort_din,
ex7_abort_lq,
spare_unused[28:29]
}),
//-------------------------------------------
.dout({ ex8_record_v,
ex8_cr_bf[0:4],
ex8_instr_v,
ex8_instr_frt[0:5],
ex8_cr[0:3],
ex8_cr_val,
ex8_instr_tid[0:1],
ex8_fpr_wr_dis,
ex8_kill_wen,
ex8_fpscr_move,
ex8_ucode_preissue,
ex8_fdivsqrt_start,
ex8_instr_valid,
ex8_abort,
ex8_abort_lq,
spare_unused[28:29]
})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(8)) ex8_itagl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[8]),
.mpw1_b(mpw1_b[8]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex8_itag_si),
.scout(ex8_itag_so),
//-------------------------------------------
.din({ ex7_itag[0:6],
ex8_b_den_flush_din}),
//-------------------------------------------
.dout({ ex8_itag[0:6],
ex8_b_den_flush})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(18)) ex8_la(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[8]),
.mpw1_b(mpw1_b[8]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex8_laddr_si),
.scout(ex8_laddr_so),
//-------------------------------------------
.din({ ex7_load_addr[0:7],
ex7_reload_addr[0:7],
ex7_load_v,
ex7_reload_v}),
//-------------------------------------------
.dout({ ex8_load_addr[0:7],
ex8_reload_addr[0:7],
ex8_load_v,
ex8_reload_v})
);
//-------------------------------------------
//----------------------------------------------------------------------
// ex9
// Latches
assign ex8_instr_vld = |((ex8_instr_valid[0:1] & (~xu_ex8_flush[0:1])) | (ex8_fdivsqrt_start & (~xu_ex8_flush[0:1])));
assign ex8_abort_din = ex8_abort & ex8_instr_vld;
assign ex8_fdivsqrt_start_din = ex8_fdivsqrt_start & (~xu_ex8_flush[0:1]);
tri_rlmreg_p #(.INIT(0), .WIDTH(14)) ex9_ctl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex9_ctl_si[0:13]),
.scout(ex9_ctl_so[0:13]),
//-------------------------------------------
.din({ ex8_instr_v,
ex8_instr_frt[0:5],
ex8_instr_tid[0:1],
ex8_kill_wen,
ex8_abort_din,
ex8_abort_lq,
ex8_fdivsqrt_start_din}),
//-------------------------------------------
.dout({ ex9_instr_v,
ex9_instr_frt[0:5],
ex9_instr_tid[0:1],
ex9_kill_wen,
ex9_abort_q,
ex9_abort_lq,
ex9_fdivsqrt_start})
);
//-------------------------------------------
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(9)) ex9_la(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ex9_laddr_si),
.scout(ex9_laddr_so),
//-------------------------------------------
.din({ ex8_load_addr[0:7],
ex8_load_v
}),
//-------------------------------------------
.dout({ ex9_load_addr[0:7],
ex9_load_v
})
);
//-------------------------------------------
assign ex9_instr_valid[0:1] = {(ex9_instr_v & (~ex9_instr_tid[1])),(ex9_instr_v & (ex9_instr_tid[1]))};
assign ex9_instr_vld = |((ex9_instr_valid[0:1] & (~xu_ex9_flush[0:1])) | (ex9_fdivsqrt_start & (~xu_ex9_flush[0:1])));
assign ex9_abort = ex9_abort_q & ex9_instr_vld;
//----------------------------------------------------------------------
// COMPLETION
// Send update to completion at ealiest bypass point
// CR
assign axu0_cr_w4e = ex8_cr_val | ex8_record_v;
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_cr_w4a_thr1_1
assign axu0_cr_w4a[0:4] = ex8_cr_bf[0:4];
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_cr_w4a_thr2_1
assign axu0_cr_w4a[0:5] = {ex8_cr_bf[0:4], ex8_instr_tid[1]};
end
endgenerate
assign axu0_cr_w4d[0:3] = (f_scr_ex8_cr_fld[0:3] & {4{ex8_record_v}}) | (ex8_cr[0:3] & ({4{~ex8_record_v}}));
assign ex5_divsqrt_itag[0:6] = f_dsq_ex5_divsqrt_itag;
assign ex6_divsqrt_fpscr_addr[0:5] = f_dsq_ex6_divsqrt_fpscr_addr;
assign ex3_instr_vns_taken = (ex3_instr_vns[0] & (~|(ex4_instr_vns)) & (~|(ex5_cr_or_divsqrt_v))) | (ex3_instr_vns[1] & (~|(ex4_instr_vns)) & (~|(ex5_cr_or_divsqrt_v)));
assign ex4_instr_vns_taken_din = ex4_instr_vns_taken | ((ex4_instr_vns[0] & (~|(ex5_cr_or_divsqrt_v))) | (ex4_instr_vns[1] & (~|(ex5_cr_or_divsqrt_v))));
assign ex3_instr_vns = ex3_instr_v & (~{4{ex3_store_valid}}) & {4{~(ex3_cr_val | ex3_record | ex3_mcrfs)}};
assign ex4_instr_vns = ex4_instr_v & (~{4{ex4_store_valid}}) & {4{~(ex4_cr_val | ex4_record | ex4_mcrfs)}} & (~{4{ex4_instr_vns_taken}});
assign ex5_instr_vns = ex5_instr_v & {4{(~ex5_cr_val | ex5_record | ex5_mcrfs)}} & (~{4{ex5_instr_vns_taken}}); // ex5_instr_v was gated off by ex4_store_valid the prev cycle
assign ex5_cr_or_divsqrt_v[0] = f_dsq_ex5_divsqrt_v[0] | (ex5_instr_v[0] & (ex5_cr_val | ex5_record | ex5_mcrfs)) | ex5_instr_vns[0];
assign ex5_cr_or_divsqrt_v[1] = f_dsq_ex5_divsqrt_v[1] | (ex5_instr_v[1] & (ex5_cr_val | ex5_record | ex5_mcrfs)) | ex5_instr_vns[1];
assign ex5_any_cr_v = (|(ex5_instr_v) & (~ex5_divsqrt_v)) & (ex5_cr_val | ex5_record | ex5_mcrfs);
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_axu0_itag_vld_thr1_1
assign axu0_rv_itag_vld[0] = (ex3_instr_vns[0] & (~ex4_instr_vns[0]) & (~ex5_cr_or_divsqrt_v[0])) |
(ex4_instr_vns[0] & (~ex5_cr_or_divsqrt_v[0])) |
(ex5_cr_or_divsqrt_v[0]);
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_axu0_itag_vld_thr2_1
assign axu0_rv_itag_vld[0] = (ex3_instr_vns[0] & (~(|(ex4_instr_vns))) & (~(|(ex5_cr_or_divsqrt_v)))) |
(ex4_instr_vns[0] & (~(|(ex5_cr_or_divsqrt_v)))) |
(ex5_cr_or_divsqrt_v[0]);
assign axu0_rv_itag_vld[1] = (ex3_instr_vns[1] & (~(|(ex4_instr_vns))) & (~(|(ex5_cr_or_divsqrt_v)))) |
(ex4_instr_vns[1] & (~(|(ex5_cr_or_divsqrt_v)))) |
(ex5_cr_or_divsqrt_v[1]);
end
endgenerate
assign axu0_rv_itag = (ex3_itag[0:6] & {7{ ((~(ex5_divsqrt_v | ex5_any_cr_v | |(ex5_instr_vns))) & (~|(ex4_instr_vns)) & |(ex3_instr_vns)) }} ) |
(ex4_itag[0:6] & {7{ ((~(ex5_divsqrt_v | ex5_any_cr_v | |(ex5_instr_vns))) & |(ex4_instr_vns))}} ) |
(ex5_itag[0:6] & {7{ ((ex5_any_cr_v | |(ex5_instr_vns)) & (~ex5_divsqrt_v))}} ) |
(ex5_divsqrt_itag[0:6] & {7{ (ex5_divsqrt_v)}});
assign axu0_rv_itag_abort = (ex3_abort_din & ((~(ex5_divsqrt_v | ex5_any_cr_v | |(ex5_instr_vns))) & (~|(ex4_instr_vns)) & |(ex3_instr_vns)) ) |
(ex4_abort & ((~(ex5_divsqrt_v | ex5_any_cr_v | |(ex5_instr_vns))) & |(ex4_instr_vns)) ) |
(ex5_abort_l2 & ((ex5_any_cr_v | |(ex5_instr_vns)) & (~ex5_divsqrt_v)) ) ;
assign ex5_divsqrt_v = |(f_dsq_ex5_divsqrt_v);
assign axu0_rv_ord_complete = ex5_divsqrt_v;
assign ex5_itag_din = (ex5_itag[0:6] & {7{ (~ex5_divsqrt_v)}}) |
(ex5_divsqrt_itag[0:6] & {7{ ex5_divsqrt_v}});
assign ex6_fpscr_wen_din = ex6_fpscr_wen | ex6_divsqrt_v;
assign ex6_fpscr_addr_din = (ex6_fpscr_addr & {6{(~ex6_divsqrt_v)}}) |
(ex6_divsqrt_fpscr_addr & {6{ex6_divsqrt_v}});
assign ex7_instr_frt_din = (ex6_instr_frt & {6{(~ex6_divsqrt_v)}}) |
(f_dsq_ex6_divsqrt_instr_frt & {6{ ex6_divsqrt_v}});
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_itag_vld_thr1_1
assign axu1_rv_itag_vld[0] = tidn;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_itag_vld_thr2_1
assign axu1_rv_itag_vld = 2'b00;
end
endgenerate
assign axu1_rv_itag = 7'b0000000;
assign axu1_rv_itag_abort = 1'b0;
assign ex5_fu_unavail = |((ex5_instr_v[0:1] | ex5_fdivsqrt_start_din[0:1]) & (~msr_fp[0:1]));
assign ex6_fu_unavail = |((ex6_instr_v[0:1] | ex6_fdivsqrt_start_din[0:1]) & (~msr_fp[0:1]));
assign ex7_fu_unavail = |((ex7_instr_v[0:1] | ex7_fdivsqrt_start_din[0:1]) & (~msr_fp[0:1]));
assign ex8_fu_unavail = (ex8_instr_valid[0:1] | ex8_fdivsqrt_start_din[0:1]) & (~msr_fp[0:1]);
// AXU0 Instruction Executed
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_exe0_vld_thr2_1
assign axu0_iu_execute_vld[0] = (ex8_instr_valid[0] | (ex8_fdivsqrt_start[0] & (ex8_b_den_flush | ex8_regfile_err_det[0]))) & (~ex8_abort) & (~ex8_perr_sm_instr_v);
assign axu0_iu_execute_vld[1] = (ex8_instr_valid[1] | (ex8_fdivsqrt_start[1] & (ex8_b_den_flush | ex8_regfile_err_det[1]))) & (~ex8_abort) & (~ex8_perr_sm_instr_v);
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_exe0_vld_thr1_1
assign axu0_iu_execute_vld[0] = (ex8_instr_valid[0] | (ex8_fdivsqrt_start[0] & (ex8_b_den_flush | ex8_regfile_err_det[0]))) & (~ex8_abort) & (~ex8_perr_sm_instr_v);
end
endgenerate
assign ex8_ucode_preissue_din = ex8_ucode_preissue & |(ex8_instr_valid);
assign axu0_iu_itag = ex8_itag[0:6];
assign axu0_iu_n_flush = (|(ex8_fu_unavail) | ex8_b_den_flush | |(ex8_regfile_err_det) ) & (~ex8_ucode_preissue);
assign axu0_iu_np1_flush = (ex8_fpr_wr_dis | |(ex8_fp_enabled) | ex8_fpscr_move) & (~ex8_ucode_preissue);
assign axu0_iu_n_np1_flush = |(ex8_fp_enabled) & (~ex8_ucode_preissue);
assign axu0_iu_flush2ucode = ex8_b_den_flush & (~ex8_ucode_preissue) & (~|(ex8_fu_unavail));
assign axu0_iu_flush2ucode_type = 1'b0;
// Exception vector encodes
//| 1 0000 AP Unavailable
//| 1 0001 FP Unavailable
//| 1 0010 Vector Unavailable
//| 1 0011 Progam AP Enabled
//| 1 0100 Progam FP Enabled
//| 1 0101 Progam FP Enabled, gate FPR write
assign fp_except_fx[0] = f_scr_ex8_fx_thread0[0];
assign fp_except_fx[1] = f_scr_ex8_fx_thread1[0];
assign fp_except_fex[0] = f_scr_ex8_fx_thread0[1];
assign fp_except_fex[1] = f_scr_ex8_fx_thread1[1];
assign fp_except_fex_async[0] = f_scr_cpl_fx_thread0[1];
assign fp_except_fex_async[1] = f_scr_cpl_fx_thread1[1];
// Denorm flushes take priority over fp_enabled exceptions
assign ex8_fp_enabled = ex8_instr_valid & fp_except_en_q & fp_except_fex & (~ex8_fu_unavail) & (~{2{(ex8_b_den_flush)}});
// async fex (AP Enabled) exception occurs when the fex bit was set previously, but exceptions weren't enabled
// until a later time. This exception is imprecise.
//rising edge sets
assign fp_async_fex_d = (fp_except_fex_async & fp_except_en_d & (~fp_except_en_q)) | (fp_async_fex_q & (~(fp_except_en_q & (~fp_except_en_d)))); //falling edge clears
assign axu0_iu_exception_val = (|(ex8_fu_unavail) | |(ex8_fp_enabled)) & (~ex8_ucode_preissue);
assign axu0_iu_exception[0:3] = {1'b0,
(|(ex8_fp_enabled) | ex8_fpr_wr_dis),
1'b0,
(|(ex8_fu_unavail) | ex8_fpr_wr_dis)};
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_async_fex_thr1_1
assign axu0_iu_async_fex[0] = fp_async_fex_q[0];
assign spare_unused[12] = fp_async_fex_q[1];
assign msr_pr_d[0] = xu_fu_msr_pr[0];
assign msr_pr_d[1] = tidn;
assign msr_gs_d[0] = xu_fu_msr_gs[0];
assign msr_gs_d[1] = tidn;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_async_fex_thr2_1
assign axu0_iu_async_fex[0] = fp_async_fex_q[0];
assign axu0_iu_async_fex[1] = fp_async_fex_q[1];
assign spare_unused[12] = tidn;
assign msr_pr_d[0] = xu_fu_msr_pr[0];
assign msr_pr_d[1] = xu_fu_msr_pr[1];
assign msr_gs_d[0] = xu_fu_msr_gs[0];
assign msr_gs_d[1] = xu_fu_msr_gs[1];
end
endgenerate
assign fp_except_en_d = msr_fe0 | msr_fe1;
tri_rlmreg_p #(.INIT(0), .WIDTH(4)) axu_ex(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(axu_ex_si[0:3]),
.scout(axu_ex_so[0:3]),
//-------------------------------------------
.din({fp_except_en_d,
fp_async_fex_d }),
//-------------------------------------------
.dout({ fp_except_en_q,
fp_async_fex_q})
);
//-------------------------------------------
// AXU1 Instruction Executed
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_exe_vld_thr1_1
assign axu1_iu_execute_vld = 1'b0;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_exe_vld_thr2_1
assign axu1_iu_execute_vld = 2'b00;
end
endgenerate
assign axu1_iu_itag = 7'b0000000;
assign axu1_iu_n_flush = 1'b0;
assign axu1_iu_np1_flush = 1'b0;
assign axu1_iu_exception[0:3] = 4'b0000;
assign axu1_iu_flush2ucode = 1'b0;
assign axu1_iu_flush2ucode_type = 1'b0;
assign axu1_iu_exception_val = 1'b0;
//----------------------------------------------------------------------
// Parity State Machine / parity section
yosys cleanup
2 years ago
tri_parity_recovery fu_parity_recovery(
add dev
2 years ago
.perr_si(perr_si),
.perr_so(perr_so),
.mpw1_b(mpw1_b),
.mpw2_b(mpw2_b),
.nclk(nclk),
.force_t(force_t),
.thold_0_b(thold_0_b),
.sg_0(sg_0),
.gnd(gnd),
.vdd(vdd),
.ex3_hangcounter_trigger(f_dsq_ex3_hangcounter_trigger),
.ex3_a_parity_check(f_mad_ex3_a_parity_check),
.ex3_b_parity_check(f_mad_ex3_b_parity_check),
.ex3_c_parity_check(f_mad_ex3_c_parity_check),
.ex3_s_parity_check(f_sto_ex3_s_parity_check),
.rf0_instr_fra(rf0_instr_fra),
.rf0_instr_frb(rf0_instr_frb),
.rf0_instr_frc(rf0_instr_frc),
.rf0_tid(rf0_tid),
.rf0_dcd_fra(f_dcd_rf0_fra),
.rf0_dcd_frb(f_dcd_rf0_frb),
.rf0_dcd_frc(f_dcd_rf0_frc),
.rf0_dcd_tid(f_dcd_rf0_tid),
.ex1_instr_fra(ex1_instr_fra),
.ex1_instr_frb(ex1_instr_frb),
.ex1_instr_frc(ex1_instr_frc),
.ex1_instr_frs(ex1_instr_frs),
.ex3_fra_v(ex3_fra_v),
.ex3_frb_v(ex3_frb_v),
.ex3_frc_v(ex3_frc_v),
.ex3_str_v(ex3_str_v),
.ex3_frs_byp(ex3_frs_byp),
.ex3_fdivsqrt_start(ex3_fdivsqrt_start),
.ex3_instr_v(ex3_instr_v[0:1]),
.msr_fp_act(msr_fp_act),
.cp_flush_1d(cp_flush_q),
.ex7_is_fixperr(ex7_is_fixperr),
.xx_ex4_regfile_err_det(ex4_regfile_err_det),
.xx_ex5_regfile_err_det(ex5_regfile_err_det),
.xx_ex6_regfile_err_det(ex6_regfile_err_det),
.xx_ex7_regfile_err_det(ex7_regfile_err_det),
.xx_ex8_regfile_err_det(ex8_regfile_err_det),
.xx_ex1_perr_sm_instr_v(ex1_perr_sm_instr_v),
.xx_ex2_perr_sm_instr_v(ex2_perr_sm_instr_v),
.xx_ex3_perr_sm_instr_v(ex3_perr_sm_instr_v),
.xx_ex4_perr_sm_instr_v(ex4_perr_sm_instr_v),
.xx_ex5_perr_sm_instr_v(ex5_perr_sm_instr_v),
.xx_ex6_perr_sm_instr_v(ex6_perr_sm_instr_v),
.xx_ex7_perr_sm_instr_v(ex7_perr_sm_instr_v),
.xx_ex8_perr_sm_instr_v(ex8_perr_sm_instr_v),
.xx_perr_sm_running(perr_sm_running),
.xx_ex2_perr_force_c(f_dcd_ex2_perr_force_c),
.xx_ex2_perr_fsel_ovrd(f_dcd_ex2_perr_fsel_ovrd),
.xx_perr_tid_l2(perr_tid_l2),
.xx_perr_sm_l2(perr_sm_l2),
.xx_perr_addr_l2(perr_addr_l2),
.ex3_sto_parity_err(fu_lq_ex3_sto_parity_err),
.xx_rv_hold_all(f_dcd_rv_hold_all),
.xx_ex0_regfile_ue(ex0_regfile_ue),
.xx_ex0_regfile_ce(ex0_regfile_ce),
.xx_pc_err_regfile_parity(fu_pc_err_regfile_parity),
.xx_pc_err_regfile_ue(fu_pc_err_regfile_ue)
);
assign f_dcd_perr_sm_running = perr_sm_running;
//----------------------------------------------------------------------
// Microcode Hooks for Divide and Square Root
//removed uc_hooks for a2o
// Buffer outputs
assign f_dcd_ex1_uc_ft_pos = 1'b0;
assign f_dcd_ex1_uc_ft_neg = 1'b0;
assign f_dcd_ex1_uc_fa_pos = 1'b0;
assign f_dcd_ex1_uc_fc_pos = 1'b0;
assign f_dcd_ex1_uc_fb_pos = 1'b0;
assign f_dcd_ex1_uc_fc_hulp = 1'b0;
assign f_dcd_ex1_uc_fc_0_5 = 1'b0;
assign f_dcd_ex1_uc_fc_1_0 = 1'b0;
assign f_dcd_ex1_uc_fc_1_minus = 1'b0;
assign f_dcd_ex1_uc_fb_1_0 = 1'b0;
assign f_dcd_ex1_uc_fb_0_75 = 1'b0;
assign f_dcd_ex1_uc_fb_0_5 = 1'b0;
assign f_dcd_ex1_uc_mid = 1'b0;
assign f_dcd_ex1_uc_end = 1'b0;
assign f_dcd_ex1_uc_special = 1'b0;
assign f_dcd_ex3_uc_inc_lsb = 1'b0;
assign f_dcd_ex3_uc_gs_v = 1'b0;
assign f_dcd_ex3_uc_gs = 2'b00;
assign f_dcd_ex3_uc_vxsnan = 1'b0;
assign f_dcd_ex3_uc_zx = 1'b0;
assign f_dcd_ex3_uc_vxidi = 1'b0;
assign f_dcd_ex3_uc_vxzdz = 1'b0;
assign f_dcd_ex3_uc_vxsqrt = 1'b0;
//----------------------------------------------------------------------
// Slow SPR Bus
// Latches
tri_rlmreg_p #(.INIT(0), .WIDTH(15)) spr_ctl(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(spr_ctl_si[0:14]),
.scout(spr_ctl_so[0:14]),
//-------------------------------------------
.din({ slowspr_in_val,
slowspr_in_rw,
slowspr_in_etid[0:1],
slowspr_in_addr[0:9],
slowspr_in_done}),
//-------------------------------------------
.dout({ slowspr_out_val,
slowspr_out_rw,
slowspr_out_etid[0:1],
slowspr_out_addr[0:9],
slowspr_out_done})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(2 ** REGMODE)) spr_data(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(spr_data_si[64 - (2 ** REGMODE):63]),
.scout(spr_data_so[64 - (2 ** REGMODE):63]),
//-------------------------------------------
.din(slowspr_in_data),
//-------------------------------------------
.dout(slowspr_out_data)
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(4)) axucr0_lat(
.nclk(nclk),
.act(tihi),
.force_t(cfg_sl_force),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(cfg_sl_thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(axucr0_lat_si[0:3]),
.scout(axucr0_lat_so[0:3]),
//-------------------------------------------
.din(axucr0_din[60:63]),
//-------------------------------------------
.dout( axucr0_q[60:63])
);
//-------------------------------------------
tri_ser_rlmreg_p #(.WIDTH(32), .INIT(0)) a0esr_lat(
.nclk(nclk),
.act(a0esr_wr),
.force_t(cfg_sl_force),
.delay_lclkr(delay_lclkr[9]),
.d_mode(tiup),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(cfg_sl_thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(a0esr_lat_si[0:31]),
.scout(a0esr_lat_so[0:31]),
.din(a0esr_din),
.dout(a0esr_q)
);
assign f_dcd_ex1_force_excp_dis = axucr0_q[61];
assign f_dcd_ex1_nj_deni = axucr0_q[62] ;
assign f_dcd_ex1_nj_deno = axucr0_q[63] ;
assign f_dcd_axucr0_deno = axucr0_q[63] ;
assign a0esr_event_mux_ctrls = a0esr_q[32:63];
// slowSPR bus inputs
// slowspr_in_val <= slowspr_val_in and not ((cp_flush_q(0) and slowspr_etid_in(0)) or
// (cp_flush_q(1) and slowspr_etid_in(1)));
assign slowspr_in_val = slowspr_val_in & (~((cp_flush_q[0] & (~slowspr_etid_in[1])) | (cp_flush_q[1] & slowspr_etid_in[1]))); // etid is encoded tid, not one hot
assign slowspr_in_rw = slowspr_rw_in;
assign slowspr_in_etid = slowspr_etid_in;
assign slowspr_in_addr = slowspr_addr_in;
assign slowspr_in_data = slowspr_data_in;
assign slowspr_in_done = slowspr_done_in;
// for RTX
assign slowspr_val_in_int = slowspr_val_in;
assign slowspr_data_in_int = slowspr_in_data;
// AXUCR0 is SPR 976
assign axucr0_dec = slowspr_out_addr[0:9] == 10'b1111010000;
assign axucr0_rd = slowspr_out_val & axucr0_dec & slowspr_out_rw;
assign axucr0_wr = slowspr_out_val & axucr0_dec & (~slowspr_out_rw);
assign axucr0_din[60:63] = (slowspr_out_data[60:63] & {4{axucr0_wr}}) |
(axucr0_q[60:63] & {4{(~axucr0_wr)}});
assign axucr0_out[32:63] = {slowspr_out_data[32:59], axucr0_q[60:63]};
// AOESR is SPR 913
assign a0esr_dec = slowspr_out_addr[0:9] == 10'b1110010001;
assign a0esr_rd = slowspr_out_val & a0esr_dec & slowspr_out_rw;
assign a0esr_wr = slowspr_out_val & a0esr_dec & (~slowspr_out_rw);
assign a0esr_din[32:63] = (slowspr_out_data[32:63] & {32{a0esr_wr}}) |
(a0esr_q[32:63] & {32{(~a0esr_wr)}});
// slowSPR bus outputs
generate
if (2 ** REGMODE > 32)
begin : r64
assign slowspr_data_out_int[0:31] = slowspr_out_data[0:31];
assign slowspr_data_out[0:31] = slowspr_data_out_int[0:31];
end
endgenerate
assign slowspr_data_out_int[32:63] = (axucr0_rd == 1'b1) ? axucr0_out[32:63] :
(a0esr_rd == 1'b1) ? a0esr_q[32:63] :
slowspr_out_data[32:63];
assign slowspr_data_out[32:63] = slowspr_data_out_int[32:63];
assign slowspr_val_out = slowspr_out_val;
assign slowspr_rw_out = slowspr_out_rw;
assign slowspr_etid_out = slowspr_out_etid;
assign slowspr_addr_out = slowspr_out_addr;
assign slowspr_done_out_int = slowspr_out_done | axucr0_rd | axucr0_wr | a0esr_rd | a0esr_wr;
assign slowspr_done_out = slowspr_done_out_int;
//----------------------------------------------------------------------
// RAM
assign ex7_ram_sign = f_rnd_ex7_res_sign;
assign ex7_ram_frac[0:52] = f_rnd_ex7_res_frac[0:52];
assign ex7_ram_expo[3:13] = f_rnd_ex7_res_expo[3:13];
generate
yosys cleanup
2 years ago
if (`THREADS == 1)
add dev
2 years ago
begin : dcd_ramactive_thr1_1
assign ex7_ram_active[0] = pc_fu_ram_active[0];
assign ex7_ram_active[1] = tilo;
end
endgenerate
generate
yosys cleanup
2 years ago
if (`THREADS == 2)
add dev
2 years ago
begin : dcd_ramactive_thr2_1
assign ex7_ram_active[0] = pc_fu_ram_active[0];
assign ex7_ram_active[1] = pc_fu_ram_active[1];
end
endgenerate
// Better be the only instr in the pipe for that thread. Bugspray event fail if not
//and not pc_fu_ram_thread -- (pc_fu_ram_thread(0 to 1) = ex7_instr_tid(0 to 1))
assign ex7_ram_done = |(ex7_ram_active & (ex7_instr_v[0:1] & (~cp_flush_q[0:1]))) & (~ex7_is_ucode) & (~ex7_is_fixperr); // Only report the end of the ucode seq
tri_rlmreg_p #(.INIT(0), .WIDTH(65)) ex8_ram_lat(
.nclk(nclk),
.act(ex7_instr_valid),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ram_data_si[0:64]),
.scout(ram_data_so[0:64]),
//-------------------------------------------
.din({ ex7_ram_sign,
ex7_ram_expo[3:13],
ex7_ram_frac[0:52]}),
//-------------------------------------------
.dout({ ex8_ram_sign,
ex8_ram_expo[3:13],
ex8_ram_frac[0:52]})
);
//-------------------------------------------
tri_rlmreg_p #(.INIT(0), .WIDTH(1)) ex8_ramv_lat(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(ram_datav_si[0]),
.scout(ram_datav_so[0]),
//-------------------------------------------
.din(ex7_ram_done),
//-------------------------------------------
.dout(ex8_ram_done)
);
assign ex8_ram_data[0] = ex8_ram_sign;
assign ex8_ram_data[1:11] = ex8_ram_expo[3:13] & {11{ex8_ram_frac[0]}};
assign ex8_ram_data[12:63] = ex8_ram_frac[1:52];
assign fu_pc_ram_data_val = ex8_ram_done & ex8_instr_v;
assign fu_pc_ram_data[0:63] = ex8_ram_data[0:63];
//----------------------------------------------------------------------
// Event Bus
// Perf events
assign evnt_axu_instr_cmt[0] = ex7_instr_valid & (ex7_instr_tid[0:1] == 2'b00) & (~ex7_is_ucode) & (~ex7_is_fixperr);
assign evnt_axu_instr_cmt[1] = ex7_instr_valid & (ex7_instr_tid[0:1] == 2'b01) & (~ex7_is_ucode) & (~ex7_is_fixperr);
assign evnt_axu_cr_cmt[0] = ex7_instr_valid & (ex7_instr_tid[0:1] == 2'b00) & (ex7_cr_val | ex7_record | ex7_mcrfs);
assign evnt_axu_cr_cmt[1] = ex7_instr_valid & (ex7_instr_tid[0:1] == 2'b01) & (ex7_cr_val | ex7_record | ex7_mcrfs);
assign evnt_axu_idle[0] = (ex7_instr_tid[0:1] == 2'b00) & (~(ex7_instr_valid | ex7_cr_val | ex7_record | ex7_mcrfs)); //includes ucode
assign evnt_axu_idle[1] = (ex7_instr_tid[0:1] == 2'b01) & (~(ex7_instr_valid | ex7_cr_val | ex7_record | ex7_mcrfs)); //includes ucode
assign evnt_denrm_flush[0] = (ex5_instr_tid[0:1] == 2'b00) & ex5_b_den_flush;
assign evnt_denrm_flush[1] = (ex5_instr_tid[0:1] == 2'b01) & ex5_b_den_flush;
assign evnt_uc_instr_cmt[0] = ex7_instr_valid & (ex7_instr_tid[0:1] == 2'b00) & ex7_is_ucode;
assign evnt_uc_instr_cmt[1] = ex7_instr_valid & (ex7_instr_tid[0:1] == 2'b01) & ex7_is_ucode;
assign evnt_fpu_fx[0:1] = {f_scr_ex8_fx_thread0[0], f_scr_ex8_fx_thread1[0]};
assign evnt_fpu_fex[0:1] = {f_scr_ex8_fx_thread0[1], f_scr_ex8_fx_thread1[1]};
assign evnt_fpu_cpl_fx[0:1] = {f_scr_cpl_fx_thread0[0], f_scr_cpl_fx_thread1[0]};
assign evnt_fpu_cpl_fex[0:1] = {f_scr_cpl_fx_thread0[1], f_scr_cpl_fx_thread1[1]};
assign evnt_div_sqrt_ip[0] = (ex5_instr_tid[0:1] == 2'b00) & f_dsq_debug[10]; // todo: need to cover later cycles? this is only up to ex5
assign evnt_div_sqrt_ip[1] = (ex5_instr_tid[0:1] == 2'b01) & f_dsq_debug[10];
assign event_en_d[0:1] = ( msr_pr_q & {2{event_count_mode_q[0]}}) | //-- User
((~msr_pr_q) & msr_gs_q & {2{event_count_mode_q[1]}}) | //-- Guest Supervisor
((~msr_pr_q) & (~msr_gs_q) & {2{event_count_mode_q[2]}}); //-- Hypervisor
assign event_en_d[2:3] = {2{tidn}};
assign t0_events[0:14] = {evnt_axu_instr_cmt[0], evnt_axu_cr_cmt[0], evnt_axu_idle[0], evnt_div_sqrt_ip[0], evnt_denrm_flush[0], evnt_uc_instr_cmt[0], evnt_fpu_fx[0], evnt_fpu_fex[0],
evnt_fpu_cpl_fx[0], evnt_fpu_cpl_fex[0], tidn, tidn, tidn, tidn, tidn} & {15{event_en_q[0]}};
assign t1_events[0:14] = {evnt_axu_instr_cmt[1], evnt_axu_cr_cmt[1], evnt_axu_idle[1], evnt_div_sqrt_ip[1], evnt_denrm_flush[1], evnt_uc_instr_cmt[1], evnt_fpu_fx[1], evnt_fpu_fex[1],
evnt_fpu_cpl_fx[1], evnt_fpu_cpl_fex[1], tidn, tidn, tidn, tidn, tidn} & {15{event_en_q[1]}};
// perf event mux
assign unit_bus_in_t0 = t0_events[0:14] ;
assign unit_bus_in_t1 = t1_events[0:14] ;
tri_event_mux1t #(.EVENTS_IN(16), .EVENTS_OUT(4))
event_mux_t0(
.vd(vdd),
.gd(gnd),
.unit_events_in(unit_bus_in_t0),
.select_bits(a0esr_event_mux_ctrls[0:15]),
.event_bus_in(event_bus_in[0:3]),
.event_bus_out(event_bus_d[0:3])
);
`ifndef THREADS1
tri_event_mux1t #(.EVENTS_IN(16), .EVENTS_OUT(4))
event_mux_t1(
.vd(vdd),
.gd(gnd),
.unit_events_in(unit_bus_in_t1),
.select_bits(a0esr_event_mux_ctrls[16:31]),
.event_bus_in(event_bus_in[4:7]),
.event_bus_out(event_bus_d[4:7])
);
assign event_bus_out[0:7] = event_bus_q[0:7];
`else
assign event_bus_d[4:7] = {4{tidn}};
assign event_bus_out[0:3] = event_bus_q[0:3];
`endif
tri_rlmreg_p #(.INIT(0), .WIDTH(8)) event_bus_out_lat(
.nclk(nclk),
.act(event_act),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(event_bus_out_si),
.scout(event_bus_out_so),
//-------------------------------------------
.din({event_bus_d }),
//-------------------------------------------
.dout({event_bus_q })
);
tri_rlmreg_p #(.INIT(0), .WIDTH(35)) perf_data(
.nclk(nclk),
.act(event_act),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(perf_data_si),
.scout(perf_data_so),
//-------------------------------------------
.din({ spare_unused[13:20],
event_en_d[0:3],
spare_unused[4],
pc_fu_event_count_mode[0:2],
msr_pr_d[0:1],
msr_gs_d[0:1],
pc_fu_instr_trace_mode,
pc_fu_instr_trace_tid[0:1],
rf0_instr_tid_1hot[0:3],
rf1_instr_iss[0:3],
ex1_instr_iss[0:3] }),
//-------------------------------------------
.dout({spare_unused[13:20],
event_en_q[0:3],
spare_unused[4],
event_count_mode_q[0:2],
msr_pr_q[0:1],
msr_gs_q[0:1],
instr_trace_mode_q, // todo
instr_trace_tid_q[0:1], // todo
rf1_instr_iss[0:3],
ex1_instr_iss[0:3],
ex2_instr_iss[0:3] })
);
//----------------------------------------------------------------------
// Debug Bus
tri_rlmreg_p #(.INIT(0), .WIDTH(32)) dbg_group3_lat(
.nclk(nclk),
.act(tiup),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(dbg_group3_lat_si),
.scout(dbg_group3_lat_so),
//-------------------------------------------
.din({ dbg_group3_din[00:31] }),
//-------------------------------------------
.dout({ dbg_group3_q[00:31] })
);
assign divsqrt_debug[0:63] = f_dsq_debug;
// FU is the first unit in the DBG chain
//assign trace_data_in[0:87] = debug_data_in[0:87];
assign trace_data_in[0:31] = debug_bus_in[0:31];
//assign trigger_data_in[0:11] = trace_triggers_in[0:11];
// Debug Events
// todo: width is only 32 bits now, might want to reorder this stuff
assign dbg_group0[0:63] = ex8_ram_data[0:63];
assign dbg_group1[0:63] = divsqrt_debug[0:63];
assign dbg_group2[0:31] = ex1_instr[0:31] & {32{ (instr_trace_mode_q & (instr_trace_tid_q != ex1_tid)) }}; // gate instr if not tid;
assign dbg_group2[32:35] = (f_scr_ex8_fx_thread0[0:3] & (~{4{instr_trace_mode_q}}));
assign dbg_group2[36:39] = (f_scr_ex8_fx_thread1[0:3] & (~{4{instr_trace_mode_q}})) | (4'b1010 & (~{4{instr_trace_mode_q}})); //a
assign dbg_group2[40:43] = (f_scr_cpl_fx_thread0[0:3] & (~{4{instr_trace_mode_q}})) | (4'b1011 & (~{4{instr_trace_mode_q}})); //b
assign dbg_group2[44:47] = (f_scr_cpl_fx_thread1[0:3] & (~{4{instr_trace_mode_q}})) | (4'b1100 & (~{4{instr_trace_mode_q}})); //c
assign dbg_group2[48:51] = (ex5_eff_addr[59:62] & (~{4{instr_trace_mode_q}})) | (4'b1101 & (~{4{instr_trace_mode_q}})); //d
assign dbg_group2[52:55] = ({ex5_eff_addr[63], perr_sm_l2[0:2]} & (~{4{instr_trace_mode_q}})) | (4'b1110 & (~{4{instr_trace_mode_q}}));//e
assign dbg_group2[56:61] = perr_addr_l2[0:5] & (~{6{instr_trace_mode_q}});
assign dbg_group2[62:63] = perr_tid_l2[0:1] & (~{2{instr_trace_mode_q}});
assign dbg_group3_din[00] = ex0_regfile_ce;
assign dbg_group3_din[01] = ex0_regfile_ue;
assign dbg_group3_din[02] = ex1_bypsel_a_res0;
assign dbg_group3_din[03] = ex1_bypsel_c_res0;
assign dbg_group3_din[04] = ex1_bypsel_b_res0;
assign dbg_group3_din[05] = ex1_bypsel_a_res1;
assign dbg_group3_din[06] = ex1_bypsel_c_res1;
assign dbg_group3_din[07] = ex1_bypsel_b_res1;
assign dbg_group3_din[08] = ex1_bypsel_a_load0;
assign dbg_group3_din[09] = ex1_bypsel_c_load0;
assign dbg_group3_din[10] = ex1_bypsel_b_load0;
assign dbg_group3_din[11] = ex1_bypsel_a_load1;
assign dbg_group3_din[12] = ex1_bypsel_c_load1;
assign dbg_group3_din[13] = ex1_bypsel_b_load1;
assign dbg_group3_din[14] = ex1_frs_byp;
assign dbg_group3_din[15] = ex1_v;
assign dbg_group3_din[16] = ex1_bypsel_a_res2;
assign dbg_group3_din[17] = ex1_bypsel_c_res2;
assign dbg_group3_din[18] = ex1_bypsel_b_res2;
assign dbg_group3_din[19] = ex1_bypsel_a_load2;
assign dbg_group3_din[20] = ex1_bypsel_c_load2;
assign dbg_group3_din[21] = ex1_bypsel_b_load2;
assign dbg_group3_din[22] = ex1_bypsel_a_load3;
assign dbg_group3_din[23] = ex1_bypsel_c_load3;
assign dbg_group3_din[24] = ex1_bypsel_b_load3;
assign dbg_group3_din[25] = ex1_bypsel_a_reload0;
assign dbg_group3_din[26] = ex1_bypsel_c_reload0;
assign dbg_group3_din[27] = ex1_bypsel_b_reload0;
assign dbg_group3_din[28] = ex1_bypsel_a_reload1;
assign dbg_group3_din[29] = ex1_bypsel_c_reload1;
assign dbg_group3_din[30] = ex1_bypsel_b_reload1;
assign dbg_group3_din[31] = tidn;
assign dbg_group3[00:31] = dbg_group3_q[00:31];
assign dbg_group3[32:63] = {t0_events[0:7], t1_events[0:7], {16{tidn}} };
assign trg_group0[0:1] = evnt_fpu_fx[0:1];
assign trg_group0[2:3] = evnt_fpu_cpl_fx[0:1];
assign trg_group0[4:5] = evnt_fpu_fex[0:1];
assign trg_group0[6:7] = evnt_fpu_cpl_fex[0:1];
assign trg_group0[8] = ex7_instr_valid;
assign trg_group0[9] = ex7_is_ucode;
assign trg_group0[10:11] = ex7_instr_tid[0:1];
assign trg_group1[0:2] = perr_sm_l2[0:2];
assign trg_group1[3] = ex0_regfile_ce;
assign trg_group1[4] = ex0_regfile_ue;
assign trg_group1[5] = ex7_instr_valid;
assign trg_group1[6:7] = ex7_instr_tid[0:1];
assign trg_group1[8] = ex4_instr_match;
assign trg_group1[9] = ex7_record;
assign trg_group1[10] = ex7_mcrfs;
assign trg_group1[11] = ex5_b_den_flush;
assign trg_group2[0:11] = divsqrt_debug[0:11];
assign trg_group3[0:11] = divsqrt_debug[12:23];
assign debug_mux_ctrls_d = pc_fu_debug_mux_ctrls; // ARDSR[32:47]
//sel2 unused rot sel tsel trot trigssel
assign debug_mux_ctrls_muxed[0:10] = debug_mux_ctrls_q[0:10];
//
tri_debug_mux4 #(.DBG_WIDTH(32)) dbgmux(
//.vd(vdd),
//.gd(gnd),
.select_bits(debug_mux_ctrls_muxed),
.dbg_group0(dbg_group0[0:31]),
.dbg_group1(dbg_group1[0:31]),
.dbg_group2(dbg_group2[0:31]),
.dbg_group3(dbg_group3[0:31]),
.trace_data_in(trace_data_in[0:31]),
.trace_data_out(trace_data_out[0:31]),
.coretrace_ctrls_in(coretrace_ctrls_in),
.coretrace_ctrls_out(coretrace_ctrls_out_d[0:3])
);
assign debug_data_d[0:31] = trace_data_out[0:31];
assign coretrace_ctrls_out[0:3] = coretrace_ctrls_out_q;
assign ex5_b_den_flush_din = ex4_b_den_flush & |({ex4_instr_v[0:3], ex4_fdivsqrt_start}) & (~ex4_is_ucode); //don't flush on ucode preIssue
// Trace Bus latches, using pc_fu_trace_bus_enable for act
tri_rlmreg_p #(.INIT(0), .WIDTH(68)) dbg0_data(
.nclk(nclk),
.act(dbg0_act),
.force_t(func_slp_sl_force),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(func_slp_sl_thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(dbg0_data_si[0:67]),
.scout(dbg0_data_so[0:67]),
//-------------------------------------------
.din({ debug_data_d[0:31],
spare_unused[0:3],
spare_unused[31:42],//debug_trig_d[0:11],
coretrace_ctrls_out_d[0:3],
debug_mux_ctrls_d[0:10],
spare_unused[43:47]}),
//-------------------------------------------
.dout({ debug_data_q[0:31],
spare_unused[0:3],
spare_unused[31:42],//debug_trig_q[0:11],
coretrace_ctrls_out_q[0:3],
debug_mux_ctrls_q[0:10],
spare_unused[43:47]})
);
//-------------------------------------------
//Another set, closer to the I/O on the bottom
tri_rlmreg_p #(.INIT(0), .WIDTH(5)) dbg1_data(
.nclk(nclk),
.act(tihi),
.force_t(force_t),
.d_mode(tiup),
.delay_lclkr(delay_lclkr[9]),
.mpw1_b(mpw1_b[9]),
.mpw2_b(mpw2_b[1]),
.thold_b(thold_0_b),
.sg(sg_0),
.vd(vdd),
.gd(gnd),
.scin(dbg1_data_si[0:4]),
.scout(dbg1_data_so[0:4]),
//-------------------------------------------
.din(xu_fu_ex4_eff_addr[59:63]),
//-------------------------------------------
.dout(ex5_eff_addr[59:63])
);
//-------------------------------------------
// To MMU, i'm the first in the chain
//assign debug_data_out[0:87] = debug_data_q[0:87];
assign debug_bus_out[0:31] = debug_data_q[0:31];
assign axu0_iu_perf_events = {4{1'b0}};
assign axu1_iu_perf_events = {4{1'b0}};
//----------------------------------------------------------------------
// unused
//todo
assign spare_unused[5:8] = {4{tidn}};
assign spare_unused[9:11] = {3{tidn}};
//----------------------------------------------------------------------
// Scan Connections
assign ex1_iu_si[0:14] = {ex1_iu_so[1:14], f_dcd_si};
assign act_lat_si[0:7] = {act_lat_so[1:7], ex1_iu_so[0]};
assign cp_flush_reg0_si = act_lat_so[0];
assign cp_flush_reg1_si = cp_flush_reg0_so;
assign ex1_frt_si[0:29] = {ex1_frt_so[1:29], cp_flush_reg1_so};
assign ex1_instl_si[0:31] = {ex1_instl_so[1:31], ex1_frt_so[0]};
assign ex1_itag_si[0:13] = {ex1_itag_so[1:13],ex1_instl_so[0]};
assign ex2_itag_si[0:15] = {ex2_itag_so[1:15],ex1_itag_so[0]};
assign ex3_itag_si[0:15] = {ex3_itag_so[1:15],ex2_itag_so[0]};
assign ex4_itag_si[0:15] = {ex4_itag_so[1:15],ex3_itag_so[0]};
assign ex5_itag_si[0:16] = {ex5_itag_so[1:16],ex4_itag_so[0]};
assign ex6_itag_si[0:16] = {ex6_itag_so[1:16],ex5_itag_so[0]};
assign ex7_itag_si[0:17] = {ex7_itag_so[1:17],ex6_itag_so[0]};
assign ex8_itag_si[0:7] = {ex8_itag_so[1:7],ex7_itag_so[0]};
assign ex1_crbf_si[0:4] = {ex1_crbf_so[1:4],ex8_itag_so[0]};
assign ex2_crbf_si[0:4] = {ex2_crbf_so[1:4],ex1_crbf_so[0]};
assign ex3_crbf_si[0:4] = {ex3_crbf_so[1:4],ex2_crbf_so[0]};
assign ex4_crbf_si[0:4] = {ex4_crbf_so[1:4],ex3_crbf_so[0]};
assign ex5_crbf_si[0:4] = {ex5_crbf_so[1:4],ex4_crbf_so[0]};
assign ex6_crbf_si[0:8] = {ex6_crbf_so[1:8],ex5_crbf_so[0]};
assign ex7_crbf_si[0:8] = {ex7_crbf_so[1:8],ex6_crbf_so[0]};
assign ex2_ctl_si[0:20] = {ex2_ctl_so[1:20], ex7_crbf_so[0]};
assign ex2_frt_si[0:5] = {ex2_frt_so[1:5], ex2_ctl_so[0]};
assign ex0_iu_si[0:7] = {ex0_iu_so[1:7], ex2_frt_so[0]};
assign ex0_frt_si[0:23] = {ex0_frt_so[1:23], ex0_iu_so[0]};
assign ex3_ctl_si[0:23] = {ex3_ctl_so[1:23], ex0_frt_so[0]};
assign ex3_ctlng_si[0:6] = {ex3_ctlng_so[1:6], ex3_ctl_so[0]};
assign ex3_stdv_si = ex3_ctlng_so[0];
assign ex4_ctl_si[0:29] = {ex4_ctl_so[1:29], ex3_stdv_so};
assign ex5_ctl_si[0:21] = {ex5_ctl_so[1:21], ex4_ctl_so[0]};
assign ex6_ctl_si[0:20] = {ex6_ctl_so[1:20], ex5_ctl_so[0]};
assign ex7_ctl_si[0:22] = {ex7_ctl_so[1:22], ex6_ctl_so[0]};
assign ex8_ctl_si[0:31] = {ex8_ctl_so[1:31], ex7_ctl_so[0]};
assign ex9_ctl_si[0:13] = {ex9_ctl_so[1:13], ex8_ctl_so[0]};
assign ex7_laddr_si[0:17] = {ex7_laddr_so[1:17],ex9_ctl_so[0]};
assign ex8_laddr_si[0:17] = {ex8_laddr_so[1:17],ex7_laddr_so[0]};
assign ex9_laddr_si[0:8] = {ex9_laddr_so[1:8],ex8_laddr_so[0]};
assign axu_ex_si[0:3] = {axu_ex_so[1:3],ex9_laddr_so[0]};
assign perr_si = axu_ex_so[0];
assign spr_ctl_si[0:14] = {spr_ctl_so[1:14], perr_so};
assign spr_data_si[64 - (2 ** REGMODE):63] = {spr_data_so[65 - (2 ** REGMODE):63], spr_ctl_so[0]};
assign ram_data_si[0:64] = {ram_data_so[1:64], spr_data_so[64 - (2 ** REGMODE)]};
assign ram_datav_si[0] = ram_data_so[0];
assign perf_data_si[0:34] = {perf_data_so[1:34], ram_datav_so[0]};
assign event_bus_out_si[0:7] = {event_bus_out_so[1:7], perf_data_so[0]};
assign dbg0_data_si[0:67] = {dbg0_data_so[1:67], event_bus_out_so[0]};
assign dbg1_data_si[0:4] = {dbg1_data_so[1:4], dbg0_data_so[0]};
assign dbg_group3_lat_si[00:31] = {dbg_group3_lat_so[1:31], dbg1_data_so[0]};
assign f_dcd_so = dbg_group3_lat_so[0];
//dcfg ring
assign axucr0_lat_si[0:3] = {axucr0_lat_so[1:3], dcfg_scan_in};
assign a0esr_lat_si[0:31] = {a0esr_lat_so[1:31], axucr0_lat_so[0]};
assign dcfg_scan_out = a0esr_lat_so[0];
endmodule