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minor update

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This commit is contained in:
Blaise Tine
2020-11-23 17:34:06 -08:00
parent 664ce28426
commit eb307edd9c
3 changed files with 9 additions and 113 deletions
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110
hw/rtl/libs/VX_dp_ram.v
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@@ -7,7 +7,6 @@ module VX_dp_ram #(
parameter BYTEENW = 1,
parameter BUFFERED = 1,
parameter RWCHECK = 1,
parameter RWBYPASS = 0,
parameter ADDRW = $clog2(SIZE),
parameter SIZEW = $clog2(SIZE+1),
parameter FASTRAM = 0
@@ -48,35 +47,9 @@ module VX_dp_ram #(
always @(posedge clk) begin
if (rden)
dout_r <= mem[raddr];
end
end
if (RWBYPASS) begin
reg [DATAW-1:0] din_r;
wire writing;
if (BYTEENW > 1) begin
always @(posedge clk) begin
if (wren) begin
for (integer i = 0; i < BYTEENW; i++) begin
din_r[i * 8 +: 8] <= byteen[i] ? din[i * 8 +: 8] : mem[waddr][i * 8 +: 8];
end
end
end
end else begin
always @(posedge clk) begin
din_r <= din;
end
end
reg bypass_r;
always @(posedge clk) begin
bypass_r <= wren && (raddr == waddr);
end
assign dout = bypass_r ? din_r : dout_r;
end else begin
assign dout = dout_r;
end
end else begin
@@ -102,37 +75,11 @@ module VX_dp_ram #(
end
end
if (RWBYPASS) begin
reg [DATAW-1:0] din_r;
wire writing;
if (BYTEENW > 1) begin
always @(posedge clk) begin
if (wren) begin
for (integer i = 0; i < BYTEENW; i++) begin
din_r[i * 8 +: 8] <= byteen[i] ? din[i * 8 +: 8] : mem[waddr][i * 8 +: 8];
end
end
end
end else begin
always @(posedge clk) begin
din_r <= din;
end
end
reg bypass_r;
always @(posedge clk) begin
bypass_r <= writing && (raddr == waddr);
end
assign dout = bypass_r ? din_r : mem[raddr];
end else begin
assign dout = mem[raddr];
end
end else begin
`USE_FAST_BRAM `NO_RW_RAM_CHECK reg [DATAW-1:0] mem [SIZE-1:0];
`USE_FAST_BRAM `NO_RW_RAM_CHECK reg [DATAW-1:0] mem [SIZE-1:0];
if (BYTEENW > 1) begin
always @(posedge clk) begin
@@ -181,33 +128,7 @@ module VX_dp_ram #(
dout_r <= mem[raddr];
end
if (RWBYPASS) begin
reg [DATAW-1:0] din_r;
wire writing;
if (BYTEENW > 1) begin
always @(posedge clk) begin
if (wren) begin
for (integer i = 0; i < BYTEENW; i++) begin
din_r[i * 8 +: 8] <= byteen[i] ? din[i * 8 +: 8] : mem[waddr][i * 8 +: 8];
end
end
end
end else begin
always @(posedge clk) begin
din_r <= din;
end
end
reg bypass_r;
always @(posedge clk) begin
bypass_r <= wren && (raddr == waddr);
end
assign dout = bypass_r ? din_r : dout_r;
end else begin
assign dout = dout_r;
end
end else begin
@@ -233,33 +154,7 @@ module VX_dp_ram #(
end
end
if (RWBYPASS) begin
reg [DATAW-1:0] din_r;
wire writing;
if (BYTEENW > 1) begin
always @(posedge clk) begin
if (wren) begin
for (integer i = 0; i < BYTEENW; i++) begin
din_r[i * 8 +: 8] <= byteen[i] ? din[i * 8 +: 8] : mem[waddr][i * 8 +: 8];
end
end
end
end else begin
always @(posedge clk) begin
din_r <= din;
end
end
reg bypass_r;
always @(posedge clk) begin
bypass_r <= writing && (raddr == waddr);
end
assign dout = bypass_r ? din_r : mem[raddr];
end else begin
assign dout = mem[raddr];
end
end else begin
@@ -280,6 +175,7 @@ module VX_dp_ram #(
mem[waddr] <= din;
end
end
assign dout = mem[raddr];
end
end