| // ========== Copyright Header Begin ========================================== |
| // |
| // OpenSPARC T1 Processor File: sparc_ifu_sscan.v |
| // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| // |
| // The above named program is free software; you can redistribute it and/or |
| // modify it under the terms of the GNU General Public |
| // License version 2 as published by the Free Software Foundation. |
| // |
| // The above named program is distributed in the hope that it will be |
| // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public |
| // License along with this work; if not, write to the Free Software |
| // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| // |
| // ========== Copyright Header End ============================================ |
| module sparc_ifu_sscan( ctu_sscan_snap, ctu_sscan_se, ctu_tck, lsu_sscan_test_data, |
| tlu_sscan_test_data, swl_sscan_thrstate, ifq_sscan_test_data, sparc_sscan_so, rclk, si, so, se); |
| |
| input ctu_sscan_snap; |
| input ctu_sscan_se; |
| input ctu_tck; |
| input si; |
| input se; |
| input [10:0] swl_sscan_thrstate; |
| input [3:0] ifq_sscan_test_data; |
| input [15:0] lsu_sscan_test_data; |
| input [62:0] tlu_sscan_test_data; |
| input rclk; |
| |
| output sparc_sscan_so; |
| output so; |
| |
| ////////////////////////////////////////////////////////////////// |
| |
| wire snap_f; |
| wire [93:0] snap_data, snap_data_f, snap_data_ff; |
| |
| `ifdef CONNECT_SHADOW_SCAN |
| wire [92:0] sscan_shift_data; |
| `endif |
| |
| //////// |
| |
| dff_s #(1) snap_inst0(.q(snap_f), .din(ctu_sscan_snap), .clk(rclk), .se(se), .si(), .so()); |
| |
| assign snap_data = {ifq_sscan_test_data, tlu_sscan_test_data, lsu_sscan_test_data, swl_sscan_thrstate}; |
| |
| dffe_s #(94) snap_inst1(.q(snap_data_f), .din(snap_data), .clk(rclk), .en(snap_f), .se(se), .si(), .so()); |
| |
| `ifdef CONNECT_SHADOW_SCAN |
| dff_sscan #(94) snap_inst2(.q(snap_data_ff), .din(snap_data_f), .clk(ctu_tck), .se(ctu_sscan_se), |
| .si({sscan_shift_data, 1'b0}), |
| .so({sparc_sscan_so, sscan_shift_data})); |
| `else |
| dff_s #(94) snap_inst2(.q(snap_data_ff), .din(snap_data_f), .clk(ctu_tck), .se(ctu_sscan_se), |
| .si(), .so()); |
| |
| assign sparc_sscan_so = 1'b0; |
| `endif |
| |
| sink #(94) s0(.in (snap_data_ff)); |
| |
| |
| endmodule |