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// You should have received a copy of the GNU General Public
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// You should have received a copy of the GNU General Public
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// License along with this work; if not, write to the Free Software
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// License along with this work; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//
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// ========== Copyright Header End ============================================
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// ========== Copyright Header End ============================================
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`ifdef SIMPLY_RISC_TWEAKS
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`define SIMPLY_RISC_SCANIN .si(0)
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`else
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`define SIMPLY_RISC_SCANIN .si()
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`endif
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module lsu_tagdp( /*AUTOARG*/
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module lsu_tagdp( /*AUTOARG*/
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// Outputs
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// Outputs
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so, lsu_misc_rdata_w2, lsu_rd_dtag_parity_g,
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so, lsu_misc_rdata_w2, lsu_rd_dtag_parity_g,
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// Inputs
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// Inputs
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rclk, si, se, lsu_va_wtchpt_addr, lsu_va_wtchpt_sel_g, dva_vld_m,
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rclk, si, se, lsu_va_wtchpt_addr, lsu_va_wtchpt_sel_g, dva_vld_m,
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Line 102... |
.sel2 (lsu_dtag_rsel_m[2]),
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.sel2 (lsu_dtag_rsel_m[2]),
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.sel3 (lsu_dtag_rsel_m[3]),
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.sel3 (lsu_dtag_rsel_m[3]),
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.dout ({dtag_rdata_sel_m[29:0],dtag_vld_sel_m})
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.dout ({dtag_rdata_sel_m[29:0],dtag_vld_sel_m})
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);
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);
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dff #(31) dtag_rdata_sel_g_ff (
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dff_s #(31) dtag_rdata_sel_g_ff (
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.din ({dtag_rdata_sel_m[29:0],dtag_vld_sel_m}),
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.din ({dtag_rdata_sel_m[29:0],dtag_vld_sel_m}),
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.q ({dtag_rdata_sel_g[29:0],dtag_vld_sel_g}),
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.q ({dtag_rdata_sel_g[29:0],dtag_vld_sel_g}),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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mux4ds #(64) lsu_misc_rdata_sel (
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mux4ds #(64) lsu_misc_rdata_sel (
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.in0 ({16'h0,lsu_local_ldxa_data_g[47:0]}),
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.in0 ({16'h0,lsu_local_ldxa_data_g[47:0]}),
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.in1 (lsu_tlb_rd_data[63:0]),
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.in1 (lsu_tlb_rd_data[63:0]),
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.in2 ({16'h0,lsu_va_wtchpt_addr[47:3],3'b000}),
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.in2 ({16'h0,lsu_va_wtchpt_addr[47:3],3'b000}),
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.sel2 (lsu_va_wtchpt_sel_g),
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.sel2 (lsu_va_wtchpt_sel_g),
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.sel3 (lsu_local_diagnstc_tagrd_sel_g),
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.sel3 (lsu_local_diagnstc_tagrd_sel_g),
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.dout (lsu_misc_rdata_g[63:0])
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.dout (lsu_misc_rdata_g[63:0])
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);
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);
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dff #(64) lsu_misc_rdata_w2_ff (
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dff_s #(64) lsu_misc_rdata_w2_ff (
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.din (lsu_misc_rdata_g[63:0]),
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.din (lsu_misc_rdata_g[63:0]),
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.q (lsu_misc_rdata_w2[63:0]),
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.q (lsu_misc_rdata_w2[63:0]),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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//=================================================================================================
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//=================================================================================================
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// Tag Parity Calculation
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// Tag Parity Calculation
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//=================================================================================================
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//=================================================================================================
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// flop tag parity bits
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// flop tag parity bits
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dff #(4) dtag_rdata_parity_g_ff (
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dff_s #(4) dtag_rdata_parity_g_ff (
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.din ({dtag_rdata_w0_m[29],
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.din ({dtag_rdata_w0_m[29],
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dtag_rdata_w1_m[29],
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dtag_rdata_w1_m[29],
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dtag_rdata_w2_m[29],
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dtag_rdata_w2_m[29],
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dtag_rdata_w3_m[29]}),
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dtag_rdata_w3_m[29]}),
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.q ({dtag_rdata_w0_parity_g,
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.q ({dtag_rdata_w0_parity_g,
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dtag_rdata_w1_parity_g,
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dtag_rdata_w1_parity_g,
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dtag_rdata_w2_parity_g,
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dtag_rdata_w2_parity_g,
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dtag_rdata_w3_parity_g}),
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dtag_rdata_w3_parity_g}),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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// generate 8bit parity for all ways before g-flop
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// generate 8bit parity for all ways before g-flop
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assign dtag_rdata_w0_8b_parity_m[0] = ^dtag_rdata_w0_m[7:0] ;
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assign dtag_rdata_w0_8b_parity_m[0] = ^dtag_rdata_w0_m[7:0] ;
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assign dtag_rdata_w0_8b_parity_m[1] = ^dtag_rdata_w0_m[15:8] ;
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assign dtag_rdata_w0_8b_parity_m[1] = ^dtag_rdata_w0_m[15:8] ;
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assign dtag_rdata_w3_8b_parity_m[3] = ^dtag_rdata_w3_m[28:24] ;
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assign dtag_rdata_w3_8b_parity_m[3] = ^dtag_rdata_w3_m[28:24] ;
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// g-flop for 8-bit parity for all 4 ways
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// g-flop for 8-bit parity for all 4 ways
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dff #(4) dtag_rdata_w0_8b_parity_g_ff (
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dff_s #(4) dtag_rdata_w0_8b_parity_g_ff (
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.din (dtag_rdata_w0_8b_parity_m[3:0]),
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.din (dtag_rdata_w0_8b_parity_m[3:0]),
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.q (dtag_rdata_w0_8b_parity_g[3:0]),
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.q (dtag_rdata_w0_8b_parity_g[3:0]),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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dff #(4) dtag_rdata_w1_8b_parity_g_ff (
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dff_s #(4) dtag_rdata_w1_8b_parity_g_ff (
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.din (dtag_rdata_w1_8b_parity_m[3:0]),
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.din (dtag_rdata_w1_8b_parity_m[3:0]),
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.q (dtag_rdata_w1_8b_parity_g[3:0]),
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.q (dtag_rdata_w1_8b_parity_g[3:0]),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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dff #(4) dtag_rdata_w2_8b_parity_g_ff (
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dff_s #(4) dtag_rdata_w2_8b_parity_g_ff (
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.din (dtag_rdata_w2_8b_parity_m[3:0]),
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.din (dtag_rdata_w2_8b_parity_m[3:0]),
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.q (dtag_rdata_w2_8b_parity_g[3:0]),
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.q (dtag_rdata_w2_8b_parity_g[3:0]),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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dff #(4) dtag_rdata_w3_8b_parity_g_ff (
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dff_s #(4) dtag_rdata_w3_8b_parity_g_ff (
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.din (dtag_rdata_w3_8b_parity_m[3:0]),
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.din (dtag_rdata_w3_8b_parity_m[3:0]),
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.q (dtag_rdata_w3_8b_parity_g[3:0]),
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.q (dtag_rdata_w3_8b_parity_g[3:0]),
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.clk (clk),
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.clk (clk),
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.se (se), .si (), .so ());
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.se (se), `SIMPLY_RISC_SCANIN, .so ());
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assign lsu_rd_dtag_parity_g[0] = ^({dtag_rdata_w0_8b_parity_g[3:0],dtag_rdata_w0_parity_g});
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assign lsu_rd_dtag_parity_g[0] = ^({dtag_rdata_w0_8b_parity_g[3:0],dtag_rdata_w0_parity_g});
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assign lsu_rd_dtag_parity_g[1] = ^({dtag_rdata_w1_8b_parity_g[3:0],dtag_rdata_w1_parity_g});
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assign lsu_rd_dtag_parity_g[1] = ^({dtag_rdata_w1_8b_parity_g[3:0],dtag_rdata_w1_parity_g});
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assign lsu_rd_dtag_parity_g[2] = ^({dtag_rdata_w2_8b_parity_g[3:0],dtag_rdata_w2_parity_g});
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assign lsu_rd_dtag_parity_g[2] = ^({dtag_rdata_w2_8b_parity_g[3:0],dtag_rdata_w2_parity_g});
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