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cache uuid support

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This commit is contained in:
Blaise Tine
2021-12-09 20:43:22 -05:00
parent 0e2de4f13a
commit d7737542e4
36 changed files with 159 additions and 200 deletions
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55
hw/rtl/tex_unit/VX_tex_unit.sv
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@@ -23,11 +23,11 @@ module VX_tex_unit #(
VX_tex_rsp_if.master tex_rsp_if
);
localparam REQ_INFO_W = 64 + `NR_BITS + 1 + `NW_BITS + 32;
localparam REQ_INFO_W = `NR_BITS + 1 + `NW_BITS + 32 + `UUID_BITS;
localparam BLEND_FRAC_W = (2 * `NUM_THREADS * `TEX_BLEND_FRAC);
reg [$clog2(`NUM_TEX_UNITS)-1:0] csr_tex_unit;
reg [`TEX_MIPOFF_BITS-1:0] tex_mipoff [`NUM_TEX_UNITS-1:0][`TEX_LOD_MAX+1-1:0];
reg [`TEX_MIPOFF_BITS-1:0] tex_mipoff [`NUM_TEX_UNITS-1:0][(`TEX_LOD_MAX+1)-1:0];
reg [1:0][`TEX_LOD_BITS-1:0] tex_logdims [`NUM_TEX_UNITS-1:0];
reg [1:0][`TEX_WRAP_BITS-1:0] tex_wraps [`NUM_TEX_UNITS-1:0];
reg [`TEX_ADDR_BITS-1:0] tex_baddr [`NUM_TEX_UNITS-1:0];
@@ -36,9 +36,6 @@ module VX_tex_unit #(
// CSRs programming
reg csrs_dirty [`NUM_TEX_UNITS-1:0];
`UNUSED_VAR (csrs_dirty)
always @(posedge clk) begin
if (tex_csr_if.write_enable) begin
case (tex_csr_if.write_addr)
@@ -47,50 +44,39 @@ module VX_tex_unit #(
end
`CSR_TEX_ADDR: begin
tex_baddr[csr_tex_unit] <= tex_csr_if.write_data[`TEX_ADDR_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
end
`CSR_TEX_FORMAT: begin
tex_format[csr_tex_unit] <= tex_csr_if.write_data[`TEX_FORMAT_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
end
`CSR_TEX_WRAPU: begin
tex_wraps[csr_tex_unit][0] <= tex_csr_if.write_data[`TEX_WRAP_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
end
`CSR_TEX_WRAPV: begin
tex_wraps[csr_tex_unit][1] <= tex_csr_if.write_data[`TEX_WRAP_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
end
`CSR_TEX_FILTER: begin
tex_filter[csr_tex_unit] <= tex_csr_if.write_data[`TEX_FILTER_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
tex_filter[csr_tex_unit] <= tex_csr_if.write_data[`TEX_FILTER_BITS-1:0];
end
`CSR_TEX_WIDTH: begin
tex_logdims[csr_tex_unit][0] <= tex_csr_if.write_data[`TEX_LOD_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
end
`CSR_TEX_HEIGHT: begin
tex_logdims[csr_tex_unit][1] <= tex_csr_if.write_data[`TEX_LOD_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
end
default: begin
for (integer j = 0; j <= `TEX_LOD_MAX; ++j) begin
`IGNORE_WARNINGS_BEGIN
if (tex_csr_if.write_addr == `CSR_TEX_MIPOFF(j)) begin
`IGNORE_WARNINGS_END
tex_mipoff[csr_tex_unit][j] <= tex_csr_if.write_data[`TEX_MIPOFF_BITS-1:0];
csrs_dirty[csr_tex_unit] <= 1;
tex_mipoff[csr_tex_unit][j] <= tex_csr_if.write_data[`TEX_MIPOFF_BITS-1:0];
end
end
end
endcase
end
if (reset || (tex_req_if.valid && tex_req_if.ready)) begin
for (integer i = 0; i < `NUM_TEX_UNITS; ++i) begin
csrs_dirty[i] <= 0;
end
end
end
wire [`UUID_BITS-1:0] write_uuid = tex_csr_if.write_uuid;
`UNUSED_VAR (write_uuid);
// mipmap attributes
@@ -136,7 +122,7 @@ module VX_tex_unit #(
.mip_level (mip_level),
.req_mipoff (sel_mipoff),
.req_logdims(sel_logdims),
.req_info ({tex_format[tex_req_if.unit], tex_req_if.uuid, tex_req_if.rd, tex_req_if.wb, tex_req_if.wid, tex_req_if.PC}),
.req_info ({tex_format[tex_req_if.unit], tex_req_if.rd, tex_req_if.wb, tex_req_if.wid, tex_req_if.PC, tex_req_if.uuid}),
.req_ready (tex_req_if.ready),
.rsp_valid (mem_req_valid),
@@ -211,9 +197,9 @@ module VX_tex_unit #(
.rsp_valid (tex_rsp_if.valid),
.rsp_tmask (tex_rsp_if.tmask),
.rsp_data (tex_rsp_if.data),
.rsp_info ({tex_rsp_if.uuid, tex_rsp_if.rd, tex_rsp_if.wb, tex_rsp_if.wid, tex_rsp_if.PC}),
.rsp_info ({tex_rsp_if.rd, tex_rsp_if.wb, tex_rsp_if.wid, tex_rsp_if.PC, tex_rsp_if.uuid}),
.rsp_ready (tex_rsp_if.ready)
);
);
`ifdef PERF_ENABLE
wire [$clog2(`NUM_THREADS+1)-1:0] perf_mem_req_per_cycle;
@@ -255,31 +241,24 @@ module VX_tex_unit #(
`ifdef DBG_TRACE_TEX
always @(posedge clk) begin
if (tex_csr_if.write_enable) begin
dpi_trace("%d: core%0d-tex-csr: unit=%0d, state=", $time, CORE_ID, csr_tex_unit);
trace_tex_state(tex_csr_if.write_addr);
dpi_trace(", data=%0h (#%0d)\n", tex_csr_if.write_data, tex_csr_if.write_uuid);
end
if (tex_req_if.valid && tex_req_if.ready) begin
for (integer i = 0; i < `NUM_TEX_UNITS; ++i) begin
if (csrs_dirty[i]) begin
dpi_trace("%d: core%0d-tex-csr: tex%0d_addr=%0h\n", $time, CORE_ID, i, tex_baddr[i]);
dpi_trace("%d: core%0d-tex-csr: tex%0d_logwidth=%0h\n", $time, CORE_ID, i, tex_logdims[i][0]);
dpi_trace("%d: core%0d-tex-csr: tex%0d_logheight=%0h\n", $time, CORE_ID, i, tex_logdims[i][1]);
dpi_trace("%d: core%0d-tex-csr: tex%0d_format=%0h\n", $time, CORE_ID, i, tex_format[i]);
dpi_trace("%d: core%0d-tex-csr: tex%0d_wrap_u=%0h\n", $time, CORE_ID, i, tex_wraps[i][0]);
dpi_trace("%d: core%0d-tex-csr: tex%0d_wrap_v=%0h\n", $time, CORE_ID, i, tex_wraps[i][1]);
dpi_trace("%d: core%0d-tex-csr: tex%0d_filter=%0h\n", $time, CORE_ID, i, tex_filter[i]);
end
end
dpi_trace("%d: core%0d-tex-req: wid=%0d, PC=%0h, tmask=%b, unit=%0d, lod=%0h, u=",
$time, CORE_ID, tex_req_if.wid, tex_req_if.PC, tex_req_if.tmask, tex_req_if.unit, tex_req_if.lod);
$time, CORE_ID, tex_req_if.wid, tex_req_if.PC, tex_req_if.tmask, tex_req_if.unit, tex_req_if.lod);
`TRACE_ARRAY1D(tex_req_if.coords[0], `NUM_THREADS);
dpi_trace(", v=");
`TRACE_ARRAY1D(tex_req_if.coords[1], `NUM_THREADS);
dpi_trace("\n");
dpi_trace(" (#%0d)\n", tex_req_if.uuid);
end
if (tex_rsp_if.valid && tex_rsp_if.ready) begin
dpi_trace("%d: core%0d-tex-rsp: wid=%0d, PC=%0h, tmask=%b, data=",
$time, CORE_ID, tex_rsp_if.wid, tex_rsp_if.PC, tex_rsp_if.tmask);
`TRACE_ARRAY1D(tex_rsp_if.data, `NUM_THREADS);
dpi_trace("\n");
dpi_trace(" (#%0d)\n", tex_rsp_if.uuid);
end
end
`endif