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[/] [versatile_library/] [trunk/] [rtl/] [verilog/] [memories.v] - Diff between revs 73 and 75

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Rev 73 Rev 75
Line 46... Line 46... 
module `BASE`MODULE ( adr, q, clk);
 
module `BASE`MODULE ( adr, q, clk);
 
`undef MODULE
 
`undef MODULE
 
 
 
 
 
   parameter data_width = 32;
 
   parameter data_width = 32;
 
   parameter addr_width = 8;
 
   parameter addr_width = 8;
 
 
 
   parameter mem_size = 1<<addr_width;
 
   input [(addr_width-1):0]       adr;
 
   input [(addr_width-1):0]       adr;
 
   output reg [(data_width-1):0] q;
 
   output reg [(data_width-1):0] q;
 
   input                         clk;
 
   input                         clk;
 
   reg [data_width-1:0] rom [(1<<addr_width)-1:0];
 
   reg [data_width-1:0] rom [mem_size-1:0];
 
   parameter memory_file = "vl_rom.vmem";
 
   parameter memory_file = "vl_rom.vmem";
 
   initial
 
   initial
 
     begin
 
     begin
 
        $readmemh(memory_file, rom);
 
        $readmemh(memory_file, rom);
 
     end
 
     end
Line 70... Line 71... 
module `BASE`MODULE ( d, adr, we, q, clk);
 
module `BASE`MODULE ( d, adr, we, q, clk);
 
`undef MODULE
 
`undef MODULE
 
 
 
 
 
   parameter data_width = 32;
 
   parameter data_width = 32;
 
   parameter addr_width = 8;
 
   parameter addr_width = 8;
 
 
 
   parameter mem_size = 1<<addr_width;
 
   input [(data_width-1):0]      d;
 
   input [(data_width-1):0]      d;
 
   input [(addr_width-1):0]       adr;
 
   input [(addr_width-1):0]       adr;
 
   input                         we;
 
   input                         we;
 
   output reg [(data_width-1):0] q;
 
   output reg [(data_width-1):0] q;
 
   input                         clk;
 
   input                         clk;
 
   reg [data_width-1:0] ram [(1<<addr_width)-1:0];
 
   reg [data_width-1:0] ram [mem_szie-1:0];
 
   parameter init = 0;
 
   parameter init = 0;
 
   parameter memory_file = "vl_ram.vmem";
 
   parameter memory_file = "vl_ram.vmem";
 
   generate if (init) begin : init_mem
 
   generate if (init) begin : init_mem
 
   initial
 
   initial
 
     begin
 
     begin
Line 103... Line 105... 
module `BASE`MODULE ( d, adr, be, we, q, clk);
 
module `BASE`MODULE ( d, adr, be, we, q, clk);
 
`undef MODULE
 
`undef MODULE
 
 
 
 
 
   parameter data_width = 32;
 
   parameter data_width = 32;
 
   parameter addr_width = 6;
 
   parameter addr_width = 6;
 
   parameter mem_size = 256;
 
   parameter mem_size = 1<<addr_width;
 
   input [(data_width-1):0]      d;
 
   input [(data_width-1):0]      d;
 
   input [(addr_width-1):0]       adr;
 
   input [(addr_width-1):0]       adr;
 
   input [(data_width/8)-1:0]    be;
 
   input [(data_width/8)-1:0]    be;
 
   input                         we;
 
   input                         we;
 
   output reg [(data_width-1):0] q;
 
   output reg [(data_width-1):0] q;
Line 173... Line 175... 
`define MODULE dpram_1r1w
 
`define MODULE dpram_1r1w
 
module `BASE`MODULE ( d_a, adr_a, we_a, clk_a, q_b, adr_b, clk_b );
 
module `BASE`MODULE ( d_a, adr_a, we_a, clk_a, q_b, adr_b, clk_b );
 
`undef MODULE
 
`undef MODULE
 
   parameter data_width = 32;
 
   parameter data_width = 32;
 
   parameter addr_width = 8;
 
   parameter addr_width = 8;
 
 
 
   parameter mem_size = 1<<addr_width;
 
   input [(data_width-1):0]      d_a;
 
   input [(data_width-1):0]      d_a;
 
   input [(addr_width-1):0]       adr_a;
 
   input [(addr_width-1):0]       adr_a;
 
   input [(addr_width-1):0]       adr_b;
 
   input [(addr_width-1):0]       adr_b;
 
   input                         we_a;
 
   input                         we_a;
 
   output [(data_width-1):0]      q_b;
 
   output [(data_width-1):0]      q_b;
 
   input                         clk_a, clk_b;
 
   input                         clk_a, clk_b;
 
   reg [(addr_width-1):0]         adr_b_reg;
 
   reg [(addr_width-1):0]         adr_b_reg;
 
   reg [data_width-1:0] ram [(1<<addr_width)-1:0] `SYN;
 
   reg [data_width-1:0] ram [mem_szie-1:0] `SYN;
 
 
 
 
 
   parameter init = 0;
 
   parameter init = 0;
 
   parameter memory_file = "vl_ram.vmem";
 
   parameter memory_file = "vl_ram.vmem";
 
   generate if (init) begin : init_mem
 
   generate if (init) begin : init_mem
 
   initial
 
   initial
Line 209... Line 212... 
module `BASE`MODULE ( d_a, q_a, adr_a, we_a, clk_a, q_b, adr_b, clk_b );
 
module `BASE`MODULE ( d_a, q_a, adr_a, we_a, clk_a, q_b, adr_b, clk_b );
 
`undef MODULE
 
`undef MODULE
 
 
 
 
 
   parameter data_width = 32;
 
   parameter data_width = 32;
 
   parameter addr_width = 8;
 
   parameter addr_width = 8;
 
 
 
   parameter mem_size = 1<<addr_width;
 
   input [(data_width-1):0]      d_a;
 
   input [(data_width-1):0]      d_a;
 
   input [(addr_width-1):0]       adr_a;
 
   input [(addr_width-1):0]       adr_a;
 
   input [(addr_width-1):0]       adr_b;
 
   input [(addr_width-1):0]       adr_b;
 
   input                         we_a;
 
   input                         we_a;
 
   output [(data_width-1):0]      q_b;
 
   output [(data_width-1):0]      q_b;
 
   output reg [(data_width-1):0] q_a;
 
   output reg [(data_width-1):0] q_a;
 
   input                         clk_a, clk_b;
 
   input                         clk_a, clk_b;
 
   reg [(data_width-1):0]         q_b;
 
   reg [(data_width-1):0]         q_b;
 
   reg [data_width-1:0] ram [(1<<addr_width)-1:0] `SYN;
 
   reg [data_width-1:0] ram [mem_szie-1:0] `SYN;
 
 
 
 
 
   parameter init = 0;
 
   parameter init = 0;
 
   parameter memory_file = "vl_ram.vmem";
 
   parameter memory_file = "vl_ram.vmem";
 
   generate if (init) begin : init_mem
 
   generate if (init) begin : init_mem
 
   initial
 
   initial
Line 247... Line 251... 
module `BASE`MODULE ( d_a, q_a, adr_a, we_a, clk_a, d_b, q_b, adr_b, we_b, clk_b );
 
module `BASE`MODULE ( d_a, q_a, adr_a, we_a, clk_a, d_b, q_b, adr_b, we_b, clk_b );
 
`undef MODULE
 
`undef MODULE
 
 
 
 
 
   parameter data_width = 32;
 
   parameter data_width = 32;
 
   parameter addr_width = 8;
 
   parameter addr_width = 8;
 
 
 
   parameter mem_size = 1<<addr_width;
 
   input [(data_width-1):0]      d_a;
 
   input [(data_width-1):0]      d_a;
 
   input [(addr_width-1):0]       adr_a;
 
   input [(addr_width-1):0]       adr_a;
 
   input [(addr_width-1):0]       adr_b;
 
   input [(addr_width-1):0]       adr_b;
 
   input                         we_a;
 
   input                         we_a;
 
   output [(data_width-1):0]      q_b;
 
   output [(data_width-1):0]      q_b;
 
   input [(data_width-1):0]       d_b;
 
   input [(data_width-1):0]       d_b;
 
   output reg [(data_width-1):0] q_a;
 
   output reg [(data_width-1):0] q_a;
 
   input                         we_b;
 
   input                         we_b;
 
   input                         clk_a, clk_b;
 
   input                         clk_a, clk_b;
 
   reg [(data_width-1):0]         q_b;
 
   reg [(data_width-1):0]         q_b;
 
   reg [data_width-1:0] ram [(1<<addr_width)-1:0] `SYN;
 
   reg [data_width-1:0] ram [mem_size-1:0] `SYN;
 
 
 
 
 
   parameter init = 0;
 
   parameter init = 0;
 
   parameter memory_file = "vl_ram.vmem";
 
   parameter memory_file = "vl_ram.vmem";
 
   generate if (init) begin : init_mem
 
   generate if (init) begin : init_mem
 
   initial
 
   initial
Line 284... Line 289... 
          ram[adr_b] <= d_b;
 
          ram[adr_b] <= d_b;
 
     end
 
     end
 
endmodule
 
endmodule
 
`endif
 
`endif
 
 
 
 
 
 
 
`ifdef DPRAM_BE_2R2W
 
 
 
`define MODULE dpram_be_2r2w
 
 
 
module `BASE`MODULE ( d_a, q_a, adr_a, be_a, we_a, clk_a, d_b, q_b, adr_b, be_b, we_b, clk_b );
 
 
 
`undef MODULE
 
 
 
 
 
 
 
   parameter a_data_width = 32;
 
 
 
   parameter a_addr_width = 8;
 
 
 
   parameter b_data_width = 64;
 
 
 
   parameter b_addr_width = 7;
 
 
 
   //parameter mem_size = (a_addr_width>b_addr_width) ? (1<<a_addr_width) : (1<<b_addr_width);
 
 
 
   parameter mem_size = 1024;
 
 
 
   input [(a_data_width-1):0]      d_a;
 
 
 
   input [(a_addr_width-1):0]     adr_a;
 
 
 
   input [(b_addr_width-1):0]     adr_b;
 
 
 
   input [(a_data_width/4-1):0]    be_a;
 
 
 
   input                         we_a;
 
 
 
   output [(b_data_width-1):0]    q_b;
 
 
 
   input [(b_data_width-1):0]     d_b;
 
 
 
   output reg [(a_data_width-1):0] q_a;
 
 
 
   input [(b_data_width/4-1):0]    be_b;
 
 
 
   input                         we_b;
 
 
 
   input                         clk_a, clk_b;
 
 
 
   reg [(b_data_width-1):0]       q_b;
 
 
 
 
 
 
 
generate
 
 
 
if (a_data_width==32 & b_data_width==64) begin : inst32to64
 
 
 
 
 
 
 
    wire [63:0] temp;
 
 
 
    `define MODULE dpram_2r2w
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram0 (
 
 
 
        .d_a(d_a[7:0]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a & be_a[0] & !adr_a[0]),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram1 (
 
 
 
        .d_a(d_a[7:0]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram2 (
 
 
 
        .d_a(d_a[15:8]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram3 (
 
 
 
        .d_a(d_a[15:8]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram4 (
 
 
 
        .d_a(d_a[23:16]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram5 (
 
 
 
        .d_a(d_a[23:16]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram6 (
 
 
 
        .d_a(d_a[31:24]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
    `BASE`MODULE
 
 
 
    # (.data_width(8), .addr_width(b_addr_width-3))
 
 
 
    ram7 (
 
 
 
        .d_a(d_a[31:24]),
 
 
 
        .q_a(tmp[7:0]),
 
 
 
        .adr_a(adr_a[a_addr_width-3-1:0]),
 
 
 
        .we_a(we_a),
 
 
 
        .clk_a(clk_a),
 
 
 
        .d_b(d_b[7:0]),
 
 
 
        .q_b(q_b[7:0]),
 
 
 
        .adr_b(adr_b[b_addr_width-3-1:0]),
 
 
 
        .we_b(we_b),
 
 
 
        .clk_b(clk_b) );
 
 
 
`undef MODULE
 
 
 
/*
 
 
 
   reg [7:0] ram0 [mem_size/8-1:0];
 
 
 
   wire [7:0] wea, web;
 
 
 
   assign wea = we_a & be_a[0];
 
 
 
   assign web = we_b & be_b[0];
 
 
 
   always @ (posedge clk_a)
 
 
 
    if (wea)
 
 
 
        ram0[adr_a] <= d_a[7:0];
 
 
 
    always @ (posedge clk_a)
 
 
 
        q_a[7:0] <= ram0[adr_a];
 
 
 
   always @ (posedge clk_a)
 
 
 
    if (web)
 
 
 
        ram0[adr_b] <= d_b[7:0];
 
 
 
    always @ (posedge clk_b)
 
 
 
        q_b[7:0] <= ram0[adr_b];
 
 
 
*/
 
 
 
end
 
 
 
endgenerate
 
 
 
/*
 
 
 
   generate for (i=0;i<addr_width/4;i=i+1) begin : be_rama
 
 
 
      always @ (posedge clk_a)
 
 
 
      if (we_a & be_a[i])
 
 
 
        ram[adr_a][(i+1)*8-1:i*8] <= d_a[(i+1)*8-1:i*8];
 
 
 
   end
 
 
 
   endgenerate
 
 
 
 
 
 
 
   always @ (posedge clk_a)
 
 
 
      q_a <= ram[adr_a];
 
 
 
 
 
 
 
   genvar i;
 
 
 
   generate for (i=0;i<addr_width/4;i=i+1) begin : be_ramb
 
 
 
      always @ (posedge clk_a)
 
 
 
      if (we_b & be_b[i])
 
 
 
        ram[adr_b][(i+1)*8-1:i*8] <= d_b[(i+1)*8-1:i*8];
 
 
 
   end
 
 
 
   endgenerate
 
 
 
 
 
 
 
   always @ (posedge clk_b)
 
 
 
      q_b <= ram[adr_b];
 
 
 
*/
 
 
 
/*
 
 
 
   always @ (posedge clk_a)
 
 
 
     begin
 
 
 
        q_a <= ram[adr_a];
 
 
 
        if (we_a)
 
 
 
             ram[adr_a] <= d_a;
 
 
 
     end
 
 
 
   always @ (posedge clk_b)
 
 
 
     begin
 
 
 
        q_b <= ram[adr_b];
 
 
 
        if (we_b)
 
 
 
          ram[adr_b] <= d_b;
 
 
 
     end
 
 
 
*/
 
 
 
endmodule
 
 
 
`endif
 
 
 
 
 
// Content addresable memory, CAM
 
// Content addresable memory, CAM
 
 
 
 
 
`ifdef FIFO_1R1W_FILL_LEVEL_SYNC
 
`ifdef FIFO_1R1W_FILL_LEVEL_SYNC
 
// FIFO
 
// FIFO
 
`define MODULE fifo_1r1w_fill_level_sync
 
`define MODULE fifo_1r1w_fill_level_sync

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