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[/] [s1_core/] [trunk/] [hdl/] [rtl/] [sparc_core/] [sparc_exu_byp_eccgen.v] - Diff between revs 105 and 113

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Line 16... Line 16... 
// You should have received a copy of the GNU General Public
 
// You should have received a copy of the GNU General Public
 
// License along with this work; if not, write to the Free Software
 
// License along with this work; if not, write to the Free Software
 
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 
// 
// 
// ========== Copyright Header End ============================================
 
// ========== Copyright Header End ============================================
 
 
 
`ifdef SIMPLY_RISC_TWEAKS
 
 
 
`define SIMPLY_RISC_SCANIN .si(0)
 
 
 
`else
 
 
 
`define SIMPLY_RISC_SCANIN .si()
 
 
 
`endif
 
////////////////////////////////////////////////////////////////////////////////
 
////////////////////////////////////////////////////////////////////////////////
 
//  Module Name: zzecc_exu_byp_eccgen2
 
//  Module Name: zzecc_exu_byp_eccgen2
 
//      Description: This block generates the 8 bit ecc for a 64 bit input
 
//      Description: This block generates the 8 bit ecc for a 64 bit input
 
//                              It is split over 2 cycles to accomodate the timing requirements of 
//                              It is split over 2 cycles to accomodate the timing requirements of 
//                              the other blocks.
 
//                              the other blocks.
Line 49... Line 54... 
   wire [7:0]   p7_w;
 
   wire [7:0]   p7_w;
 
   wire         msk_w5;
 
   wire         msk_w5;
 
   wire         msk_w4;
 
   wire         msk_w4;
 
 
 
 
 
   // Flops to store intermediate results
 
   // Flops to store intermediate results
 
  dff Imsk_5_  ( .q(msk_w5),  .din(msk[5]),  .clk(clk), .se(se), .si(), .so());
 
  dff_s Imsk_5_  ( .q(msk_w5),  .din(msk[5]),  .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Imsk_4_  ( .q(msk_w4),  .din(msk[4]),  .clk(clk), .se(se), .si(), .so());
 
  dff_s Imsk_4_  ( .q(msk_w4),  .din(msk[4]),  .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_7_ ( .q(p0_w[7]), .din(p0_g[7]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_7_ ( .q(p0_w[7]), .din(p0_g[7]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_6_ ( .q(p0_w[6]), .din(p0_g[6]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_6_ ( .q(p0_w[6]), .din(p0_g[6]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_5_ ( .q(p0_w[5]), .din(p0_g[5]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_5_ ( .q(p0_w[5]), .din(p0_g[5]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_4_ ( .q(p0_w[4]), .din(p0_g[4]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_4_ ( .q(p0_w[4]), .din(p0_g[4]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_3_ ( .q(p0_w[3]), .din(p0_g[3]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_3_ ( .q(p0_w[3]), .din(p0_g[3]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_2_ ( .q(p0_w[2]), .din(p0_g[2]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_2_ ( .q(p0_w[2]), .din(p0_g[2]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_1_ ( .q(p0_w[1]), .din(p0_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_1_ ( .q(p0_w[1]), .din(p0_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip0ff_0_ ( .q(p0_w[0]), .din(p0_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip0ff_0_ ( .q(p0_w[0]), .din(p0_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_7_ ( .q(p1_w[7]), .din(p1_g[7]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_7_ ( .q(p1_w[7]), .din(p1_g[7]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_6_ ( .q(p1_w[6]), .din(p1_g[6]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_6_ ( .q(p1_w[6]), .din(p1_g[6]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_5_ ( .q(p1_w[5]), .din(p1_g[5]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_5_ ( .q(p1_w[5]), .din(p1_g[5]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_4_ ( .q(p1_w[4]), .din(p1_g[4]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_4_ ( .q(p1_w[4]), .din(p1_g[4]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_3_ ( .q(p1_w[3]), .din(p1_g[3]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_3_ ( .q(p1_w[3]), .din(p1_g[3]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_2_ ( .q(p1_w[2]), .din(p1_g[2]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_2_ ( .q(p1_w[2]), .din(p1_g[2]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_1_ ( .q(p1_w[1]), .din(p1_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_1_ ( .q(p1_w[1]), .din(p1_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip1ff_0_ ( .q(p1_w[0]), .din(p1_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip1ff_0_ ( .q(p1_w[0]), .din(p1_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_7_ ( .q(p2_w[7]), .din(p2_g[7]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_7_ ( .q(p2_w[7]), .din(p2_g[7]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_6_ ( .q(p2_w[6]), .din(p2_g[6]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_6_ ( .q(p2_w[6]), .din(p2_g[6]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_5_ ( .q(p2_w[5]), .din(p2_g[5]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_5_ ( .q(p2_w[5]), .din(p2_g[5]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_4_ ( .q(p2_w[4]), .din(p2_g[4]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_4_ ( .q(p2_w[4]), .din(p2_g[4]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_3_ ( .q(p2_w[3]), .din(p2_g[3]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_3_ ( .q(p2_w[3]), .din(p2_g[3]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_2_ ( .q(p2_w[2]), .din(p2_g[2]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_2_ ( .q(p2_w[2]), .din(p2_g[2]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_1_ ( .q(p2_w[1]), .din(p2_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_1_ ( .q(p2_w[1]), .din(p2_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip2ff_0_ ( .q(p2_w[0]), .din(p2_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip2ff_0_ ( .q(p2_w[0]), .din(p2_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_7_ ( .q(p3_w[7]), .din(p3_g[7]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_7_ ( .q(p3_w[7]), .din(p3_g[7]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_6_ ( .q(p3_w[6]), .din(p3_g[6]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_6_ ( .q(p3_w[6]), .din(p3_g[6]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_5_ ( .q(p3_w[5]), .din(p3_g[5]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_5_ ( .q(p3_w[5]), .din(p3_g[5]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_4_ ( .q(p3_w[4]), .din(p3_g[4]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_4_ ( .q(p3_w[4]), .din(p3_g[4]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_3_ ( .q(p3_w[3]), .din(p3_g[3]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_3_ ( .q(p3_w[3]), .din(p3_g[3]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_2_ ( .q(p3_w[2]), .din(p3_g[2]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_2_ ( .q(p3_w[2]), .din(p3_g[2]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_1_ ( .q(p3_w[1]), .din(p3_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_1_ ( .q(p3_w[1]), .din(p3_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip3ff_0_ ( .q(p3_w[0]), .din(p3_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip3ff_0_ ( .q(p3_w[0]), .din(p3_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip4ff_3_ ( .q(p4_w[3]), .din(p4_g[3]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip4ff_3_ ( .q(p4_w[3]), .din(p4_g[3]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip4ff_2_ ( .q(p4_w[2]), .din(p4_g[2]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip4ff_2_ ( .q(p4_w[2]), .din(p4_g[2]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip4ff_1_ ( .q(p4_w[1]), .din(p4_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip4ff_1_ ( .q(p4_w[1]), .din(p4_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip4ff_0_ ( .q(p4_w[0]), .din(p4_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip4ff_0_ ( .q(p4_w[0]), .din(p4_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip5ff_1_ ( .q(p5_w[1]), .din(p5_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip5ff_1_ ( .q(p5_w[1]), .din(p5_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip5ff_0_ ( .q(p5_w[0]), .din(p5_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip5ff_0_ ( .q(p5_w[0]), .din(p5_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip6ff_1_ ( .q(p6_w[1]), .din(p6_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip6ff_1_ ( .q(p6_w[1]), .din(p6_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip6ff_0_ ( .q(p6_w[0]), .din(p6_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip6ff_0_ ( .q(p6_w[0]), .din(p6_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_7_ ( .q(p7_w[7]), .din(p7_g[7]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_7_ ( .q(p7_w[7]), .din(p7_g[7]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_6_ ( .q(p7_w[6]), .din(p7_g[6]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_6_ ( .q(p7_w[6]), .din(p7_g[6]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_5_ ( .q(p7_w[5]), .din(p7_g[5]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_5_ ( .q(p7_w[5]), .din(p7_g[5]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_4_ ( .q(p7_w[4]), .din(p7_g[4]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_4_ ( .q(p7_w[4]), .din(p7_g[4]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_3_ ( .q(p7_w[3]), .din(p7_g[3]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_3_ ( .q(p7_w[3]), .din(p7_g[3]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_2_ ( .q(p7_w[2]), .din(p7_g[2]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_2_ ( .q(p7_w[2]), .din(p7_g[2]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_1_ ( .q(p7_w[1]), .din(p7_g[1]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_1_ ( .q(p7_w[1]), .din(p7_g[1]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
  dff Ip7ff_0_ ( .q(p7_w[0]), .din(p7_g[0]), .clk(clk), .se(se), .si(), .so());
 
  dff_s Ip7ff_0_ ( .q(p7_w[0]), .din(p7_g[0]), .clk(clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
 
 
 
 
 
 
 
 
 
   // p[0]
 
   // p[0]
 
   assign p[0] = p0_w[0] ^ p0_w[1] ^ p0_w[2] ^ p0_w[3] ^ p0_w[4] ^ p0_w[5] ^ p0_w[6] ^ p0_w[7];
 
   assign p[0] = p0_w[0] ^ p0_w[1] ^ p0_w[2] ^ p0_w[3] ^ p0_w[4] ^ p0_w[5] ^ p0_w[6] ^ p0_w[7];
 
   assign p0_g[0] = d[0]  ^ d[1]  ^ d[3]  ^ d[4];
 
   assign p0_g[0] = d[0]  ^ d[1]  ^ d[3]  ^ d[4];

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