wu-arch/vortex
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

elastic buffers classification

Browse Source
This commit is contained in:
Blaise Tine
2024-01-31 00:39:37 -08:00
parent b6919d19a7
commit e2d1387df8
6 changed files with 323 additions and 135 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
hw/rtl/libs/VX_elastic_buffer.sv
View File

@@ -42,34 +42,33 @@ module VX_elastic_buffer #(
end else if (SIZE == 1) begin
wire stall = valid_out && ~ready_out;
VX_pipe_register #(
.DATAW (1 + DATAW),
.RESETW (1)
) pipe_register (
.clk (clk),
.reset (reset),
.enable (~stall),
.data_in ({valid_in, data_in}),
.data_out ({valid_out, data_out})
VX_pipe_buffer #(
.DATAW (DATAW)
) pipe_buffer (
.clk (clk),
.reset (reset),
.valid_in (valid_in),
.data_in (data_in),
.ready_in (ready_in),
.valid_out (valid_out),
.data_out (data_out),
.ready_out (ready_out)
);
assign ready_in = ~stall;
end else if (SIZE == 2) begin
VX_skid_buffer #(
.DATAW (DATAW),
.FULL_BW (OUT_REG != 2),
.OUT_REG (OUT_REG)
) skid_buffer (
.clk (clk),
.reset (reset),
.valid_in (valid_in),
.valid_in (valid_in),
.data_in (data_in),
.ready_in (ready_in),
.data_in (data_in),
.data_out (data_out),
.valid_out (valid_out),
.data_out (data_out),
.ready_out (ready_out)
);
@@ -111,10 +110,10 @@ module VX_elastic_buffer #(
.clk (clk),
.reset (reset),
.valid_in (~empty),
.ready_in (ready_out_t),
.data_in (data_out_t),
.data_out (data_out),
.ready_in (ready_out_t),
.valid_out (valid_out),
.data_out (data_out),
.ready_out (ready_out)
);