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Add if-stmt to switch between external/internal smem

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This commit is contained in:
Hansung Kim
2024-01-01 12:46:59 -08:00
parent 22f656fec1
commit b64f0c2794
1 changed files with 12 additions and 4 deletions
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16
hw/rtl/core/VX_smem_unit.sv
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@@ -86,6 +86,10 @@ module VX_smem_unit import VX_gpu_pkg::*; #(
`RESET_RELAY (switch_reset, reset);
for (genvar i = 0; i < DCACHE_NUM_REQS; ++i) begin
if (1'b1) begin
assign smem_req_valid[i] = 1'b0;
assign smem_rsp_ready[i] = 1'b0;
assign smem_bus_out_if[i].req_valid = switch_out_bus_if[i * 2 + 1].req_valid;
assign smem_bus_out_if[i].req_data = switch_out_bus_if[i * 2 + 1].req_data;
assign switch_out_bus_if[i * 2 + 1].req_ready = smem_bus_out_if[i].req_ready;
@@ -93,20 +97,24 @@ module VX_smem_unit import VX_gpu_pkg::*; #(
assign switch_out_bus_if[i * 2 + 1].rsp_valid = smem_bus_out_if[i].rsp_valid;
assign switch_out_bus_if[i * 2 + 1].rsp_data = smem_bus_out_if[i].rsp_data;
assign smem_bus_out_if[i].rsp_ready = switch_out_bus_if[i * 2 + 1].rsp_ready;
end else begin
assign smem_bus_out_if[i].req_valid = 1'b0;
assign smem_bus_out_if[i].rsp_ready = 1'b0;
assign smem_req_valid[i] = switch_out_bus_if[i * 2 + 1].req_valid;
assign smem_req_rw[i] = switch_out_bus_if[i * 2 + 1].req_data.rw;
assign smem_req_byteen[i] = switch_out_bus_if[i * 2 + 1].req_data.byteen;
assign smem_req_data[i] = switch_out_bus_if[i * 2 + 1].req_data.data;
assign smem_req_tag[i] = switch_out_bus_if[i * 2 + 1].req_data.tag;
// assign switch_out_bus_if[i * 2 + 1].req_ready = smem_req_ready[i];
assign switch_out_bus_if[i * 2 + 1].req_ready = smem_req_ready[i];
// assign switch_out_bus_if[i * 2 + 1].rsp_valid = smem_rsp_valid[i];
// assign switch_out_bus_if[i * 2 + 1].rsp_data.data = smem_rsp_data[i];
// assign switch_out_bus_if[i * 2 + 1].rsp_data.tag = smem_rsp_tag[i];
assign switch_out_bus_if[i * 2 + 1].rsp_valid = smem_rsp_valid[i];
assign switch_out_bus_if[i * 2 + 1].rsp_data.data = smem_rsp_data[i];
assign switch_out_bus_if[i * 2 + 1].rsp_data.tag = smem_rsp_tag[i];
assign smem_rsp_ready[i] = switch_out_bus_if[i * 2 + 1].rsp_ready;
assign smem_req_addr[i] = switch_out_bus_if[i * 2 + 1].req_data.addr[SMEM_ADDR_WIDTH-1:0];
end
VX_smem_switch #(
.NUM_REQS (2),