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rtl refactoring

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This commit is contained in:
Blaise Tine
2020-05-04 20:12:05 -04:00
parent 69f607b73e
commit f142afac80
39 changed files with 31067 additions and 31607 deletions
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93
hw/rtl/Vortex.v
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@@ -41,10 +41,20 @@ module Vortex #(
input wire [`DDRAM_ADDR_WIDTH-1:0] llc_snp_req_addr,
output wire llc_snp_req_ready,
// I/O
output wire io_valid,
output wire [31:0] io_data,
input wire io_ready,
// I/O request
output wire io_req_read,
output wire io_req_write,
output wire[31:0] io_req_addr,
output wire[31:0] io_req_data,
output wire[`BYTE_EN_BITS-1:0] io_req_byteen,
output wire[`CORE_REQ_TAG_WIDTH-1:0] io_req_tag,
input wire io_req_ready,
// I/O response
input wire io_rsp_valid,
input wire[31:0] io_rsp_data,
input wire[`CORE_REQ_TAG_WIDTH-1:0] io_rsp_tag,
output wire io_rsp_ready,
// Debug
output wire ebreak
@@ -62,20 +72,16 @@ module Vortex #(
VX_cache_core_req_if #(
.NUM_REQUESTS(`DNUM_REQUESTS),
.WORD_SIZE(`DWORD_SIZE),
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH)
) dcache_core_req_if();
VX_cache_core_req_if #(
.NUM_REQUESTS(`DNUM_REQUESTS),
.WORD_SIZE(`DWORD_SIZE),
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH)
) dcache_core_req_qual_if();
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH),
.CORE_TAG_ID_BITS(`CORE_TAG_ID_BITS)
) dcache_core_req_if(), io_core_req_if(), dcache_io_core_req_if();
VX_cache_core_rsp_if #(
.NUM_REQUESTS(`DNUM_REQUESTS),
.WORD_SIZE(`DWORD_SIZE),
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH)
) dcache_core_rsp_if();
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH),
.CORE_TAG_ID_BITS(`CORE_TAG_ID_BITS)
) dcache_core_rsp_if(), io_core_rsp_if(), dcache_io_core_rsp_if();
VX_cache_dram_req_if #(
.DRAM_LINE_WIDTH(`DDRAM_LINE_WIDTH),
@@ -100,29 +106,32 @@ module Vortex #(
assign dcache_dram_rsp_if.dram_rsp_tag = D_dram_rsp_tag;
assign D_dram_rsp_ready = dcache_dram_rsp_if.dram_rsp_ready;
wire to_io_bus = (dcache_core_req_if.core_req_addr[0] == `IO_BUS_ADDR);
assign io_valid = |dcache_core_req_if.core_req_valid && to_io_bus;
assign io_data = dcache_core_req_if.core_req_data[0];
assign io_req_read = (io_core_req_if.core_req_read[0] != `BYTE_EN_NO);
assign io_req_write = (io_core_req_if.core_req_write[0] != `BYTE_EN_NO);
assign io_req_addr = io_core_req_if.core_req_addr[0];
assign io_req_data = io_core_req_if.core_req_data[0];
assign io_req_byteen = io_req_read ? io_core_req_if.core_req_read[0] : io_core_req_if.core_req_write[0];
assign io_req_tag = io_core_req_if.core_req_tag[0];
assign io_core_req_if.core_req_ready = io_req_ready;
assign dcache_core_req_qual_if.core_req_valid = dcache_core_req_if.core_req_valid & {`NUM_THREADS{~to_io_bus}};
assign dcache_core_req_qual_if.core_req_read = dcache_core_req_if.core_req_read;
assign dcache_core_req_qual_if.core_req_write = dcache_core_req_if.core_req_write;
assign dcache_core_req_qual_if.core_req_addr = dcache_core_req_if.core_req_addr;
assign dcache_core_req_qual_if.core_req_data = dcache_core_req_if.core_req_data;
assign dcache_core_req_qual_if.core_req_tag = dcache_core_req_if.core_req_tag;
assign dcache_core_req_if.core_req_ready = to_io_bus ? io_ready : dcache_core_req_qual_if.core_req_ready;
assign io_core_rsp_if.core_rsp_valid[0] = io_rsp_valid;
assign io_core_rsp_if.core_rsp_data[0] = io_rsp_data;
assign io_core_rsp_if.core_rsp_tag = io_rsp_tag;
assign io_rsp_ready = io_core_rsp_if.core_rsp_ready;
// Icache interfaces
VX_cache_core_req_if #(
.NUM_REQUESTS(`INUM_REQUESTS),
.WORD_SIZE(`IWORD_SIZE),
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH)
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH),
.CORE_TAG_ID_BITS(`CORE_TAG_ID_BITS)
) icache_core_req_if();
VX_cache_core_rsp_if #(
.NUM_REQUESTS(`INUM_REQUESTS),
.WORD_SIZE(`IWORD_SIZE),
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH)
.CORE_TAG_WIDTH(`CORE_REQ_TAG_WIDTH),
.CORE_TAG_ID_BITS(`CORE_TAG_ID_BITS)
) icache_core_rsp_if();
VX_cache_dram_req_if #(
@@ -162,7 +171,6 @@ VX_jal_rsp_if jal_rsp_if(); // Jump resolution to Fetch
VX_warp_ctl_if warp_ctl_if();
// Cache snooping
VX_cache_snp_req_if #(.DRAM_ADDR_WIDTH(`IDRAM_ADDR_WIDTH)) icache_snp_req_if();
VX_cache_snp_req_if #(.DRAM_ADDR_WIDTH(`DDRAM_ADDR_WIDTH)) dcache_snp_req_if();
assign dcache_snp_req_if.snp_req_valid = llc_snp_req_valid;
@@ -203,9 +211,9 @@ VX_back_end #(
.warp_ctl_if (warp_ctl_if),
.bckE_req_if (bckE_req_if),
.jal_rsp_if (jal_rsp_if),
.branch_rsp_if (branch_rsp_if),
.dcache_rsp_if (dcache_core_rsp_if),
.dcache_req_if (dcache_core_req_if),
.branch_rsp_if (branch_rsp_if),
.dcache_req_if (dcache_io_core_req_if),
.dcache_rsp_if (dcache_io_core_rsp_if),
.writeback_if (writeback_if),
.mem_delay (memory_delay),
.exec_delay (exec_delay),
@@ -216,23 +224,32 @@ VX_dmem_ctrl dmem_ctrl (
.clk (clk),
.reset (reset),
// Core <-> Dcache
.dcache_core_req_if (dcache_core_req_if),
.dcache_core_rsp_if (dcache_core_rsp_if),
// Dram <-> Dcache
.dcache_dram_req_if (dcache_dram_req_if),
.dcache_dram_rsp_if (dcache_dram_rsp_if),
.dcache_snp_req_if (dcache_snp_req_if),
// Dram <-> Icache
.icache_dram_req_if (icache_dram_req_if),
.icache_dram_rsp_if (icache_dram_rsp_if),
.icache_snp_req_if (icache_snp_req_if),
// Core <-> Icache
.icache_core_req_if (icache_core_req_if),
.icache_core_rsp_if (icache_core_rsp_if),
// Core <-> Dcache
.dcache_core_req_if (dcache_core_req_qual_if),
.dcache_core_rsp_if (dcache_core_rsp_if)
// Dram <-> Icache
.icache_dram_req_if (icache_dram_req_if),
.icache_dram_rsp_if (icache_dram_rsp_if)
);
VX_dcache_io_arb dcache_io_arb (
.io_select (dcache_io_core_req_if.core_req_addr[0] >= `IO_BUS_BASE_ADDR),
.core_req_if (dcache_io_core_req_if),
.dcache_core_req_if (dcache_core_req_if),
.io_core_req_if (io_core_req_if),
.dcache_core_rsp_if (dcache_core_rsp_if),
.io_core_rsp_if (io_core_rsp_if),
.core_rsp_if (dcache_io_core_rsp_if)
);
endmodule // Vortex