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adding missing files, buffering teh snoop forwarder

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This commit is contained in:
Blaise Tine
2020-12-09 00:24:32 -08:00
parent 0d595bae3c
commit 12f7fcfa75
8 changed files with 1628 additions and 16 deletions
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29
hw/rtl/VX_cluster.v
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@@ -309,11 +309,16 @@ module VX_cluster #(
wire [`NUM_CORES-1:0][`XDRAM_TAG_WIDTH-1:0] per_core_dram_req_tag_qual;
wire [`NUM_CORES-1:0] per_core_dram_req_ready_qual;
wire [`NUM_CORES-1:0] per_core_dram_rsp_valid_unqual;
wire [`NUM_CORES-1:0][`DDRAM_LINE_WIDTH-1:0] per_core_dram_rsp_data_unqual;
wire [`NUM_CORES-1:0][`XDRAM_TAG_WIDTH-1:0] per_core_dram_rsp_tag_unqual;
wire [`NUM_CORES-1:0] per_core_dram_rsp_ready_unqual;
for (genvar i = 0; i < `NUM_CORES; i++) begin
VX_skid_buffer #(
.DATAW (1 + `DDRAM_BYTEEN_WIDTH + `DDRAM_ADDR_WIDTH + `DDRAM_LINE_WIDTH + `XDRAM_TAG_WIDTH),
.PASSTHRU (`NUM_CORES < 4)
) dram_req_buffer (
) core_req_buffer (
.clk (clk),
.reset (reset),
.valid_in (per_core_dram_req_valid[i]),
@@ -323,6 +328,20 @@ module VX_cluster #(
.data_out ({per_core_dram_req_rw_qual[i], per_core_dram_req_byteen_qual[i], per_core_dram_req_addr_qual[i], per_core_dram_req_data_qual[i], per_core_dram_req_tag_qual[i]}),
.ready_out (per_core_dram_req_ready_qual[i])
);
VX_skid_buffer #(
.DATAW (`DDRAM_LINE_WIDTH + `XDRAM_TAG_WIDTH),
.PASSTHRU (1)
) core_rsp_buffer (
.clk (clk),
.reset (reset),
.valid_in (per_core_dram_rsp_valid_unqual[i]),
.data_in ({per_core_dram_rsp_data_unqual[i], per_core_dram_rsp_tag_unqual[i]}),
.ready_in (per_core_dram_rsp_ready_unqual[i]),
.valid_out (per_core_dram_rsp_valid[i]),
.data_out ({per_core_dram_rsp_data[i], per_core_dram_rsp_tag[i]}),
.ready_out (per_core_dram_rsp_ready[i])
);
end
VX_cache #(
@@ -366,10 +385,10 @@ module VX_cluster #(
.core_req_ready (per_core_dram_req_ready_qual),
// Core response
.core_rsp_valid (per_core_dram_rsp_valid),
.core_rsp_data (per_core_dram_rsp_data),
.core_rsp_tag (per_core_dram_rsp_tag),
.core_rsp_ready (per_core_dram_rsp_ready),
.core_rsp_valid (per_core_dram_rsp_valid_unqual),
.core_rsp_data (per_core_dram_rsp_data_unqual),
.core_rsp_tag (per_core_dram_rsp_tag_unqual),
.core_rsp_ready (per_core_dram_rsp_ready_unqual),
// DRAM request
.dram_req_valid (dram_req_valid),