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minor update

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This commit is contained in:
Blaise Tine 2024-08-25 15:52:17 -07:00
parent df3fc150f4
commit 088aed022f
2 changed files with 59 additions and 52 deletions
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6
hw/rtl/core/VX_dispatch.sv
View file

@ -50,8 +50,8 @@ module VX_dispatch import VX_gpu_pkg::*; #(
`UNUSED_PIN (valid_out)
);
wire [`NUM_EX_UNITS-1:0] operands_reset;
assign operands_if.ready = operands_reset[operands_if.data.ex_type];
wire [`NUM_EX_UNITS-1:0] operands_ready_in;
assign operands_if.ready = operands_ready_in[operands_if.data.ex_type];
for (genvar i = 0; i < `NUM_EX_UNITS; ++i) begin
VX_elastic_buffer #(
@ -62,7 +62,7 @@ module VX_dispatch import VX_gpu_pkg::*; #(
.clk (clk),
.reset (reset),
.valid_in (operands_if.valid && (operands_if.data.ex_type == `EX_BITS'(i))),
.ready_in (operands_reset[i]),
.ready_in (operands_ready_in[i]),
.data_in ({
operands_if.data.uuid,
operands_if.data.wis,

105
hw/rtl/libs/VX_rr_arbiter.sv
View file

@ -41,15 +41,16 @@ module VX_rr_arbiter #(
end else if (LUT_OPT && NUM_REQS == 2) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
casez ({state, requests})
3'b0_01,
3'b1_?1: begin grant_index_w = LOG_NUM_REQS'(0); end
3'b1_?1: begin grant_onehot_w = 2'b01; grant_index_w = LOG_NUM_REQS'(0); end
3'b0_1?,
3'b1_10: begin grant_index_w = LOG_NUM_REQS'(1); end
default: begin grant_index_w = 'x; end
3'b1_10: begin grant_onehot_w = 2'b10; grant_index_w = LOG_NUM_REQS'(1); end
default: begin grant_onehot_w = 2'b00; grant_index_w = 'x; end
endcase
end
@ -62,26 +63,27 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (LUT_OPT && NUM_REQS == 3) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
casez ({state, requests})
5'b00_001,
5'b01_0?1,
5'b10_??1: begin grant_index_w = LOG_NUM_REQS'(0); end
5'b10_??1: begin grant_onehot_w = 3'b001; grant_index_w = LOG_NUM_REQS'(0); end
5'b00_?1?,
5'b01_010,
5'b10_?10: begin grant_index_w = LOG_NUM_REQS'(1); end
5'b10_?10: begin grant_onehot_w = 3'b010; grant_index_w = LOG_NUM_REQS'(1); end
5'b00_10?,
5'b01_1??,
5'b10_100: begin grant_index_w = LOG_NUM_REQS'(2); end
default: begin grant_index_w = 'x; end
5'b10_100: begin grant_onehot_w = 3'b100; grant_index_w = LOG_NUM_REQS'(2); end
default: begin grant_onehot_w = 3'b000; grant_index_w = 'x; end
endcase
end
@ -94,12 +96,13 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (LUT_OPT && NUM_REQS == 4) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
@ -107,20 +110,20 @@ module VX_rr_arbiter #(
6'b00_0001,
6'b01_00?1,
6'b10_0??1,
6'b11_???1: begin grant_index_w = LOG_NUM_REQS'(0); end
6'b11_???1: begin grant_onehot_w = 4'b0001; grant_index_w = LOG_NUM_REQS'(0); end
6'b00_??1?,
6'b01_0010,
6'b10_0?10,
6'b11_??10: begin grant_index_w = LOG_NUM_REQS'(1); end
6'b11_??10: begin grant_onehot_w = 4'b0010; grant_index_w = LOG_NUM_REQS'(1); end
6'b00_?10?,
6'b01_?1??,
6'b10_0100,
6'b11_?100: begin grant_index_w = LOG_NUM_REQS'(2); end
6'b11_?100: begin grant_onehot_w = 4'b0100; grant_index_w = LOG_NUM_REQS'(2); end
6'b00_100?,
6'b01_10??,
6'b10_1???,
6'b11_1000: begin grant_index_w = LOG_NUM_REQS'(3); end
default: begin grant_index_w = 'x; end
6'b11_1000: begin grant_onehot_w = 4'b1000; grant_index_w = LOG_NUM_REQS'(3); end
default: begin grant_onehot_w = 4'b0000; grant_index_w = 'x; end
endcase
end
@ -133,12 +136,13 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (LUT_OPT && NUM_REQS == 5) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
@ -147,28 +151,28 @@ module VX_rr_arbiter #(
8'b001_000?1,
8'b010_00??1,
8'b011_0???1,
8'b100_????1: begin grant_index_w = LOG_NUM_REQS'(0); end
8'b100_????1: begin grant_onehot_w = 5'b00001; grant_index_w = LOG_NUM_REQS'(0); end
8'b000_???1?,
8'b001_00010,
8'b010_00?10,
8'b011_0??10,
8'b100_???10: begin grant_index_w = LOG_NUM_REQS'(1); end
8'b100_???10: begin grant_onehot_w = 5'b00010; grant_index_w = LOG_NUM_REQS'(1); end
8'b000_??10?,
8'b001_??1??,
8'b010_00100,
8'b011_0?100,
8'b100_??100: begin grant_index_w = LOG_NUM_REQS'(2); end
8'b100_??100: begin grant_onehot_w = 5'b00100; grant_index_w = LOG_NUM_REQS'(2); end
8'b000_?100?,
8'b001_?10??,
8'b010_?1???,
8'b011_01000,
8'b100_?1000: begin grant_index_w = LOG_NUM_REQS'(3); end
8'b100_?1000: begin grant_onehot_w = 5'b01000; grant_index_w = LOG_NUM_REQS'(3); end
8'b000_1000?,
8'b001_100??,
8'b010_10???,
8'b011_1????,
8'b100_10000: begin grant_index_w = LOG_NUM_REQS'(4); end
default: begin grant_index_w = 'x; end
8'b100_10000: begin grant_onehot_w = 5'b10000; grant_index_w = LOG_NUM_REQS'(4); end
default: begin grant_onehot_w = 5'b00000; grant_index_w = 'x; end
endcase
end
@ -181,12 +185,13 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (LUT_OPT && NUM_REQS == 6) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
@ -196,38 +201,38 @@ module VX_rr_arbiter #(
9'b010_000??1,
9'b011_00???1,
9'b100_0????1,
9'b101_?????1: begin grant_index_w = LOG_NUM_REQS'(0); end
9'b101_?????1: begin grant_onehot_w = 6'b000001; grant_index_w = LOG_NUM_REQS'(0); end
9'b000_????1?,
9'b001_000010,
9'b010_000?10,
9'b011_00??10,
9'b100_0???10,
9'b101_????10: begin grant_index_w = LOG_NUM_REQS'(1); end
9'b101_????10: begin grant_onehot_w = 6'b000010; grant_index_w = LOG_NUM_REQS'(1); end
9'b000_???10?,
9'b001_???1??,
9'b010_000100,
9'b011_00?100,
9'b100_0??100,
9'b101_???100: begin grant_index_w = LOG_NUM_REQS'(2); end
9'b101_???100: begin grant_onehot_w = 6'b000100; grant_index_w = LOG_NUM_REQS'(2); end
9'b000_??100?,
9'b001_??10??,
9'b010_??1???,
9'b011_001000,
9'b100_0?1000,
9'b101_??1000: begin grant_index_w = LOG_NUM_REQS'(3); end
9'b101_??1000: begin grant_onehot_w = 6'b001000; grant_index_w = LOG_NUM_REQS'(3); end
9'b000_?1000?,
9'b001_?100??,
9'b010_?10???,
9'b011_?1????,
9'b100_010000,
9'b101_?10000: begin grant_index_w = LOG_NUM_REQS'(4); end
9'b101_?10000: begin grant_onehot_w = 6'b010000; grant_index_w = LOG_NUM_REQS'(4); end
9'b000_10000?,
9'b001_1000??,
9'b010_100???,
9'b011_10????,
9'b100_1?????,
9'b101_100000: begin grant_index_w = LOG_NUM_REQS'(5); end
default: begin grant_index_w = 'x; end
9'b101_100000: begin grant_onehot_w = 6'b100000; grant_index_w = LOG_NUM_REQS'(5); end
default: begin grant_onehot_w = 6'b000000; grant_index_w = 'x; end
endcase
end
@ -240,12 +245,13 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (LUT_OPT && NUM_REQS == 7) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
@ -256,50 +262,50 @@ module VX_rr_arbiter #(
10'b011_000???1,
10'b100_000???1,
10'b101_00????1,
10'b110_??????1: begin grant_index_w = LOG_NUM_REQS'(0); end
10'b110_??????1: begin grant_onehot_w = 7'b0000001; grant_index_w = LOG_NUM_REQS'(0); end
10'b000_?????1?,
10'b001_0000010,
10'b010_0000?10,
10'b011_000??10,
10'b100_00???10,
10'b101_0????10,
10'b110_?????10: begin grant_index_w = LOG_NUM_REQS'(1); end
10'b110_?????10: begin grant_onehot_w = 7'b0000010; grant_index_w = LOG_NUM_REQS'(1); end
10'b000_????10?,
10'b001_????1??,
10'b010_0000100,
10'b011_000?100,
10'b100_00??100,
10'b101_0???100,
10'b110_????100: begin grant_index_w = LOG_NUM_REQS'(2); end
10'b110_????100: begin grant_onehot_w = 7'b0000100; grant_index_w = LOG_NUM_REQS'(2); end
10'b000_???100?,
10'b001_???10??,
10'b010_???1???,
10'b011_0001000,
10'b100_00?1000,
10'b101_0??1000,
10'b110_???1000: begin grant_index_w = LOG_NUM_REQS'(3); end
10'b110_???1000: begin grant_onehot_w = 7'b0001000; grant_index_w = LOG_NUM_REQS'(3); end
10'b000_??1000?,
10'b001_??100??,
10'b010_??10???,
10'b011_??1????,
10'b100_0010000,
10'b101_0?10000,
10'b110_??10000: begin grant_index_w = LOG_NUM_REQS'(4); end
10'b110_??10000: begin grant_onehot_w = 7'b0010000; grant_index_w = LOG_NUM_REQS'(4); end
10'b000_?10000?,
10'b001_?1000??,
10'b010_?100???,
10'b011_?10????,
10'b100_?1?????,
10'b101_0100000,
10'b110_?100000: begin grant_index_w = LOG_NUM_REQS'(5); end
10'b110_?100000: begin grant_onehot_w = 7'b0100000; grant_index_w = LOG_NUM_REQS'(5); end
10'b000_100000?,
10'b001_10000??,
10'b010_1000???,
10'b011_100????,
10'b100_10?????,
10'b101_1??????,
10'b110_1000000: begin grant_index_w = LOG_NUM_REQS'(6); end
default: begin grant_index_w = 'x; end
10'b110_1000000: begin grant_onehot_w = 7'b1000000; grant_index_w = LOG_NUM_REQS'(6); end
default: begin grant_onehot_w = 7'b0000000; grant_index_w = 'x; end
endcase
end
@ -312,12 +318,13 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (LUT_OPT && NUM_REQS == 8) begin
reg [LOG_NUM_REQS-1:0] grant_index_w;
reg [NUM_REQS-1:0] grant_onehot_w;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
@ -329,7 +336,7 @@ module VX_rr_arbiter #(
11'b100_000????1,
11'b101_00?????1,
11'b110_0??????1,
11'b111_???????1: begin grant_index_w = LOG_NUM_REQS'(0); end
11'b111_???????1: begin grant_onehot_w = 8'b00000001; grant_index_w = LOG_NUM_REQS'(0); end
11'b000_??????1?,
11'b001_00000010,
11'b010_00000?10,
@ -337,7 +344,7 @@ module VX_rr_arbiter #(
11'b100_000???10,
11'b101_00????10,
11'b110_0?????10,
11'b111_??????10: begin grant_index_w = LOG_NUM_REQS'(1); end
11'b111_??????10: begin grant_onehot_w = 8'b00000010; grant_index_w = LOG_NUM_REQS'(1); end
11'b000_?????10?,
11'b001_?????1??,
11'b010_00000100,
@ -345,7 +352,7 @@ module VX_rr_arbiter #(
11'b100_000??100,
11'b101_00???100,
11'b110_0????100,
11'b111_?????100: begin grant_index_w = LOG_NUM_REQS'(2); end
11'b111_?????100: begin grant_onehot_w = 8'b00000100; grant_index_w = LOG_NUM_REQS'(2); end
11'b000_????100?,
11'b001_????10??,
11'b010_????1???,
@ -353,7 +360,7 @@ module VX_rr_arbiter #(
11'b100_000?1000,
11'b101_00??1000,
11'b110_0???1000,
11'b111_????1000: begin grant_index_w = LOG_NUM_REQS'(3); end
11'b111_????1000: begin grant_onehot_w = 8'b00001000; grant_index_w = LOG_NUM_REQS'(3); end
11'b000_???1000?,
11'b001_???100??,
11'b010_???10???,
@ -361,7 +368,7 @@ module VX_rr_arbiter #(
11'b100_00010000,
11'b101_00?10000,
11'b110_0??10000,
11'b111_???10000: begin grant_index_w = LOG_NUM_REQS'(4); end
11'b111_???10000: begin grant_onehot_w = 8'b00010000; grant_index_w = LOG_NUM_REQS'(4); end
11'b000_??10000?,
11'b001_??1000??,
11'b010_??100???,
@ -369,7 +376,7 @@ module VX_rr_arbiter #(
11'b100_??1?????,
11'b101_00100000,
11'b110_0?100000,
11'b111_??100000: begin grant_index_w = LOG_NUM_REQS'(5); end
11'b111_??100000: begin grant_onehot_w = 8'b00100000; grant_index_w = LOG_NUM_REQS'(5); end
11'b000_?100000?,
11'b001_?10000??,
11'b010_?1000???,
@ -377,7 +384,7 @@ module VX_rr_arbiter #(
11'b100_?10?????,
11'b101_?1??????,
11'b110_01000000,
11'b111_?1000000: begin grant_index_w = LOG_NUM_REQS'(6); end
11'b111_?1000000: begin grant_onehot_w = 8'b01000000; grant_index_w = LOG_NUM_REQS'(6); end
11'b000_1000000?,
11'b001_100000??,
11'b010_10000???,
@ -385,8 +392,8 @@ module VX_rr_arbiter #(
11'b100_100?????,
11'b101_10??????,
11'b110_1???????,
11'b111_10000000: begin grant_index_w = LOG_NUM_REQS'(7); end
default: begin grant_index_w = 'x; end
11'b111_10000000: begin grant_onehot_w = 8'b10000000; grant_index_w = LOG_NUM_REQS'(7); end
default: begin grant_onehot_w = 8'b00000000; grant_index_w = 'x; end
endcase
end
@ -399,7 +406,7 @@ module VX_rr_arbiter #(
end
assign grant_index = grant_index_w;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index_w;
assign grant_onehot = grant_onehot_w;
assign grant_valid = (| requests);
end else if (MODEL == 1) begin