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// ========== Copyright Header Begin ==========================================

// 

// OpenSPARC T1 Processor File: sync_pulse_synchronizer.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 ============================================

// Synchronizer without reset for use in cluster_header_sync.

// For simulation only.

module sync_pulse_synchronizer (/*AUTOARG*/

   // Outputs

   sync_out, so,

   // Inputs

   async_in, gclk, rclk, si, se

   );

   output sync_out;

   output so;

   input  async_in;

   input  gclk;

   input  rclk;

   input  si;

   input  se;

   wire   pre_sync_out;

   wire   so_rptr;

   wire   so_lockup;

   // Flop drive strengths to be adjusted as necessary

   bw_u1_soff_8x repeater (

                           .q (pre_sync_out),

                           .so (so_rptr),

                           .ck (gclk),

                           .d (async_in),

                           .se (se),

                           .sd (si)

                           );

   bw_u1_scanl_2x lockup (

                           .so (so_lockup),

                           .sd (so_rptr),

                           .ck (gclk)

                           );

   bw_u1_soff_8x syncff (

                         .q (sync_out),

                         .so (so),

                         .ck (rclk),

                         .d (pre_sync_out),

                         .se (se),

                         .sd (so_lockup)

                         );

endmodule // sync_pulse_synchronizer