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fixed gpr_ram bug + io bus arbitration

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This commit is contained in:
Blaise Tine
2020-06-13 05:26:29 -07:00
parent d6b0ef2b3c
commit 4fa540575c
15 changed files with 542 additions and 377 deletions
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25
hw/rtl/VX_gpr_ram.v
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@@ -12,24 +12,19 @@ module VX_gpr_ram (
output reg [`NUM_THREADS-1:0][31:0] q1,
output reg [`NUM_THREADS-1:0][31:0] q2
);
// Thread Byte Bit
logic [`NUM_THREADS-1:0][3:0][7:0] ram[31:0];
reg [`NUM_THREADS-1:0][31:0] ram[31:0];
integer i;
`UNUSED_VAR(reset)
always @(posedge clk) begin
if (reset) begin
//--
end else begin
if (we) begin
integer i;
for (i = 0; i < `NUM_THREADS; i++) begin
if (be[i]) begin
ram[waddr][i][0] <= wdata[i][7:0];
ram[waddr][i][1] <= wdata[i][15:8];
ram[waddr][i][2] <= wdata[i][23:16];
ram[waddr][i][3] <= wdata[i][31:24];
end
if (we) begin
for (i = 0; i < `NUM_THREADS; i++) begin
if (be[i]) begin
ram[waddr][i] <= wdata[i];
end
end
end
end
end