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// ========== 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