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minor update

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This commit is contained in:
Blaise Tine
2021-07-13 05:25:44 -07:00
parent 6bcf999125
commit 22cf698e69
9 changed files with 281 additions and 405 deletions
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4
hw/rtl/afu/vortex_afu.sv
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@@ -924,12 +924,12 @@ VX_onehot_encoder #(
) cout_tid_enc (
.data_in (vx_mem_req_byteen),
.data_out (cout_tid),
`UNUSED_PIN (valid)
`UNUSED_PIN (valid_out)
);
VX_onehot_mux #(
.DATAW (8),
.COUNT (`VX_MEM_BYTEEN_WIDTH)
.N (`VX_MEM_BYTEEN_WIDTH)
) cout_char_mux (
.data_in (vx_mem_req_data),
.sel_in (vx_mem_req_byteen),

2
hw/rtl/cache/VX_nc_bypass.v vendored
View File

@@ -153,7 +153,7 @@ module VX_nc_bypass #(
VX_onehot_mux #(
.DATAW (CORE_TAG_WIDTH + CORE_DATA_WIDTH + CORE_DATA_SIZE + CORE_ADDR_WIDTH + 1),
.COUNT (NUM_REQS)
.N (NUM_REQS)
) core_req_nc_mux (
.data_in (core_req_nc_mux_in),
.sel_in (core_req_nc_sel),

2
hw/rtl/libs/VX_matrix_arbiter.v
View File

@@ -76,7 +76,7 @@ module VX_matrix_arbiter #(
) encoder (
.data_in (grant_unqual),
.data_out (grant_index),
`UNUSED_PIN (valid)
`UNUSED_PIN (valid_out)
);
assign grant_valid = (| requests);

19
hw/rtl/libs/VX_mux.v Normal file
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@@ -0,0 +1,19 @@
`include "VX_platform.vh"
module VX_mux #(
parameter DATAW = 1,
parameter N = 1,
parameter LN = $clog2(N)
) (
input wire [N-1:0][DATAW-1:0] data_in,
input wire [LN-1:0] sel_in,
output wire [DATAW-1:0] data_out
);
if (N > 1) begin
assign data_out = data_in[sel_in];
end else begin
`UNUSED_VAR (sel_in)
assign data_out = data_in;
end
endmodule

16
hw/rtl/libs/VX_onehot_encoder.v
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@@ -11,17 +11,17 @@ module VX_onehot_encoder #(
) (
input wire [N-1:0] data_in,
output wire [LN-1:0] data_out,
output wire valid
output wire valid_out
);
if (N == 1) begin
assign data_out = data_in;
assign valid = data_in;
assign data_out = data_in;
assign valid_out = data_in;
end else if (N == 2) begin
assign data_out = data_in[!REVERSE];
assign valid = (| data_in);
assign data_out = data_in[!REVERSE];
assign valid_out = (| data_in);
end else if (FAST) begin
`IGNORE_WARNINGS_BEGIN
@@ -60,7 +60,7 @@ module VX_onehot_encoder #(
end
assign data_out = addr[levels_lp][`LOG2UP(N)-1:0];
assign valid = v[levels_lp][0];
assign valid_out = v[levels_lp][0];
`IGNORE_WARNINGS_END
end else begin
@@ -86,8 +86,8 @@ module VX_onehot_encoder #(
end
end
assign data_out = index_r;
assign valid = (| data_in);
assign data_out = index_r;
assign valid_out = (| data_in);
end
endmodule

12
hw/rtl/libs/VX_onehot_mux.v
View File

@@ -2,14 +2,14 @@
module VX_onehot_mux #(
parameter DATAW = 1,
parameter COUNT = 1
parameter N = 1
) (
input wire [COUNT-1:0][DATAW-1:0] data_in,
input wire [COUNT-1:0] sel_in,
output wire [DATAW-1:0] data_out
input wire [N-1:0][DATAW-1:0] data_in,
input wire [N-1:0] sel_in,
output wire [DATAW-1:0] data_out
);
if (COUNT > 1) begin
for (genvar i = 0; i < COUNT; ++i) begin
if (N > 1) begin
for (genvar i = 0; i < N; ++i) begin
assign data_out = sel_in[i] ? data_in[i] : 'z;
end
end else begin

41
hw/rtl/libs/VX_priority_encoder.v
View File

@@ -3,7 +3,7 @@
module VX_priority_encoder #(
parameter N = 1,
parameter REVERSE = 0,
parameter FAST = 1,
parameter MODEL = 1,
parameter LN = `LOG2UP(N)
) (
input wire [N-1:0] data_in,
@@ -24,7 +24,7 @@ module VX_priority_encoder #(
assign index = ~data_in[REVERSE];
assign valid_out = (| data_in);
end else if (FAST) begin
end else if (MODEL == 1) begin
wire [N-1:0] scan_lo;
@@ -51,9 +51,44 @@ module VX_priority_encoder #(
) onehot_encoder (
.data_in (onehot),
.data_out (index),
`UNUSED_PIN (valid)
`UNUSED_PIN (valid_out)
);
end else if (MODEL == 2) begin
`IGNORE_WARNINGS_BEGIN
wire [N-1:0] higher_pri_regs;
`IGNORE_WARNINGS_END
assign higher_pri_regs[N-1:1] = higher_pri_regs[N-2:0] | data_in[N-2:0];
assign higher_pri_regs[0] = 1'b0;
assign onehot[N-1:0] = data_in[N-1:0] & ~higher_pri_regs[N-1:0];
VX_onehot_encoder #(
.N (N),
.REVERSE (REVERSE)
) onehot_encoder (
.data_in (onehot),
.data_out (index),
`UNUSED_PIN (valid_out)
);
assign valid_out = (| data_in);
end else if (MODEL == 3) begin
assign onehot = data_in & ~(data_in-1);
VX_onehot_encoder #(
.N (N),
.REVERSE (REVERSE)
) onehot_encoder (
.data_in (onehot),
.data_out (index),
`UNUSED_PIN (valid_out)
);
assign valid_out = (| data_in);
end else begin
reg [LN-1:0] index_r;

588
hw/rtl/libs/VX_rr_arbiter.v
View File

@@ -3,6 +3,7 @@
module VX_rr_arbiter #(
parameter NUM_REQS = 1,
parameter LOCK_ENABLE = 0,
parameter MODEL = 1,
parameter LOG_NUM_REQS = $clog2(NUM_REQS)
) (
input wire clk,
@@ -23,398 +24,219 @@ module VX_rr_arbiter #(
assign grant_onehot = requests;
assign grant_valid = requests[0];
end else begin
end else if (NUM_REQS == 2) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
reg [LOG_NUM_REQS-1:0] state;
if (NUM_REQS == 2) begin
always @(*) begin
casez ({state, requests})
3'b0_1?: begin grant_onehot_r = 2'b10; grant_index_r = LOG_NUM_REQS'(1); end
3'b0_01: begin grant_onehot_r = 2'b01; grant_index_r = LOG_NUM_REQS'(0); end
3'b1_?1: begin grant_onehot_r = 2'b01; grant_index_r = LOG_NUM_REQS'(0); end
3'b1_10: begin grant_onehot_r = 2'b10; grant_index_r = LOG_NUM_REQS'(1); end
default: begin grant_onehot_r = 'x; grant_index_r = 'x; end
endcase
end
end else if (NUM_REQS == 4) begin
always @(*) begin
casez ({state, requests})
6'b00_??1?: begin grant_onehot_r = 4'b0010; grant_index_r = LOG_NUM_REQS'(1); end
6'b00_?10?: begin grant_onehot_r = 4'b0100; grant_index_r = LOG_NUM_REQS'(2); end
6'b00_100?: begin grant_onehot_r = 4'b1000; grant_index_r = LOG_NUM_REQS'(3); end
6'b00_0001: begin grant_onehot_r = 4'b0001; grant_index_r = LOG_NUM_REQS'(0); end
6'b01_?1??: begin grant_onehot_r = 4'b0100; grant_index_r = LOG_NUM_REQS'(2); end
6'b01_10??: begin grant_onehot_r = 4'b1000; grant_index_r = LOG_NUM_REQS'(3); end
6'b01_00?1: begin grant_onehot_r = 4'b0001; grant_index_r = LOG_NUM_REQS'(0); end
6'b01_0010: begin grant_onehot_r = 4'b0010; grant_index_r = LOG_NUM_REQS'(1); end
6'b10_1???: begin grant_onehot_r = 4'b1000; grant_index_r = LOG_NUM_REQS'(3); end
6'b10_0??1: begin grant_onehot_r = 4'b0001; grant_index_r = LOG_NUM_REQS'(0); end
6'b10_0?10: begin grant_onehot_r = 4'b0010; grant_index_r = LOG_NUM_REQS'(1); end
6'b10_0100: begin grant_onehot_r = 4'b0100; grant_index_r = LOG_NUM_REQS'(2); end
6'b11_???1: begin grant_onehot_r = 4'b0001; grant_index_r = LOG_NUM_REQS'(0); end
6'b11_??10: begin grant_onehot_r = 4'b0010; grant_index_r = LOG_NUM_REQS'(1); end
6'b11_?100: begin grant_onehot_r = 4'b0100; grant_index_r = LOG_NUM_REQS'(2); end
6'b11_1000: begin grant_onehot_r = 4'b1000; grant_index_r = LOG_NUM_REQS'(3); end
default: begin grant_onehot_r = 'x; grant_index_r = 'x; end
endcase
end
end else if (NUM_REQS == 8) begin
always @(*) begin
casez ({state, requests})
11'b000_??????1?: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b000_?????10?: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b000_????100?: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b000_???1000?: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b000_??10000?: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b000_?100000?: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b000_1000000?: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b000_00000001: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b001_?????1??: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b001_????10??: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b001_???100??: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b001_??1000??: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b001_?10000??: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b001_100000??: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b001_000000?1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b001_00000010: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b010_????1???: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b010_???10???: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b010_??100???: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b010_?1000???: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b010_10000???: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b010_00000??1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b010_00000?10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b010_00000100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b011_???1????: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b011_??10????: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b011_?100????: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b011_1000????: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b011_0000???1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b011_0000??10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b011_0000?100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b011_00001000: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b100_??1?????: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b100_?10?????: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b100_100?????: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b100_000????1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b100_000???10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b100_000??100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b100_000?1000: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b100_00010000: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b101_?1??????: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b101_10??????: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b101_00?????1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b101_00????10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b101_00???100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b101_00??1000: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b101_00?10000: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b101_00100000: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b110_1???????: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
11'b110_0??????1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b110_0?????10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b110_0????100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b110_0???1000: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b110_0??10000: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b110_0?100000: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b110_01000000: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b111_???????1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b111_??????10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b111_?????100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b111_????1000: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b111_???10000: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b111_??100000: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b111_?1000000: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
11'b111_10000000: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
default: begin grant_onehot_r = 'x; grant_index_r = 'x; end
endcase
end
end else if (NUM_REQS == 16) begin
always @(*) begin
casez ({state, requests})
20'b0000_??????????????1?: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0000_?????????????10?: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0000_????????????100?: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0000_???????????1000?: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0000_??????????10000?: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0000_?????????100000?: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0000_????????1000000?: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0000_???????10000000?: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0000_??????100000000?: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0000_?????1000000000?: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0000_????10000000000?: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0000_???100000000000?: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0000_??1000000000000?: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0000_?10000000000000?: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0000_100000000000000?: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0000_0000000000000001: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0001_?????????????1??: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0001_????????????10??: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0001_???????????100??: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0001_??????????1000??: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0001_?????????10000??: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0001_????????100000??: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0001_???????1000000??: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0001_??????10000000??: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0001_?????100000000??: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0001_????1000000000??: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0001_???10000000000??: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0001_??100000000000??: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0001_?1000000000000??: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0001_10000000000000??: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0001_00000000000000?1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0001_0000000000000010: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0010_????????????1???: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0010_???????????10???: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0010_??????????100???: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0010_?????????1000???: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0010_????????10000???: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0010_???????100000???: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0010_??????1000000???: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0010_?????10000000???: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0010_????100000000???: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0010_???1000000000???: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0010_??10000000000???: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0010_?100000000000???: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0010_1000000000000???: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0010_0000000000000??1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0010_0000000000000?10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0010_0000000000000100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0011_???????????1????: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0011_??????????10????: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0011_?????????100????: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0011_????????1000????: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0011_???????10000????: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0011_??????100000????: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0011_?????1000000????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0011_????10000000????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0011_???100000000????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0011_??1000000000????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0011_?10000000000????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0011_100000000000????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0011_000000000000???1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0011_000000000000??10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0011_000000000000?100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0011_0000000000001000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0100_??????????1?????: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0100_?????????10?????: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0100_????????100?????: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0100_???????1000?????: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0100_??????10000?????: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0100_?????100000?????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0100_????1000000?????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0100_???10000000?????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0100_??100000000?????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0100_?1000000000?????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0100_10000000000?????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0100_00000000000????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0100_00000000000???10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0100_00000000000??100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0100_00000000000?1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0100_0000000000010000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0101_?????????1??????: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0101_????????10??????: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0101_???????100??????: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0101_??????1000??????: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0101_?????10000??????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0101_????100000??????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0101_???1000000??????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0101_??10000000??????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0101_?100000000??????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0101_1000000000??????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0101_0000000000?????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0101_0000000000????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0101_0000000000???100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0101_0000000000??1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0101_0000000000?10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0101_0000000000100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0110_????????1???????: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b0110_???????10???????: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0110_??????100???????: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0110_?????1000???????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0110_????10000???????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0110_???100000???????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0110_??1000000???????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0110_?10000000???????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0110_100000000???????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0110_000000000??????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0110_000000000?????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0110_000000000????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0110_000000000???1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0110_000000000??10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0110_000000000?100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0110_0000000001000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0111_???????1????????: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b0111_??????10????????: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b0111_?????100????????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b0111_????1000????????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b0111_???10000????????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b0111_??100000????????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b0111_?1000000????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b0111_10000000????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b0111_00000000???????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b0111_00000000??????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b0111_00000000?????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b0111_00000000????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b0111_00000000???10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b0111_00000000??100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b0111_00000000?1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b0111_0000000010000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1000_??????1?????????: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1000_?????10?????????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1000_????100?????????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1000_???1000?????????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1000_??10000?????????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1000_?100000?????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1000_1000000?????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1000_0000000????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1000_0000000???????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1000_0000000??????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1000_0000000?????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1000_0000000????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1000_0000000???100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1000_0000000??1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1000_0000000?10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1000_0000000100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1001_?????1??????????: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1001_????10??????????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1001_???100??????????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1001_??1000??????????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1001_?10000??????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1001_100000??????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1001_000000?????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1001_000000????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1001_000000???????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1001_000000??????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1001_000000?????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1001_000000????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1001_000000???1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1001_000000??10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1001_000000?100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1001_0000001000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1010_????1???????????: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1010_???10???????????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1010_??100???????????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1010_?1000???????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1010_10000???????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1010_00000??????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1010_00000?????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1010_00000????????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1010_00000???????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1010_00000??????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1010_00000?????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1010_00000????1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1010_00000???10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1010_00000??100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1010_00000?1000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1010_0000010000000000: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1011_???1????????????: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1011_??10????????????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1011_?100????????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1011_1000????????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1011_0000???????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1011_0000??????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1011_0000?????????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1011_0000????????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1011_0000???????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1011_0000??????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1011_0000?????1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1011_0000????10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1011_0000???100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1011_0000??1000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1011_0000?10000000000: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1011_0000100000000000: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1100_??1?????????????: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1100_?10?????????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1100_100?????????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1100_000????????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1100_000???????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1100_000??????????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1100_000?????????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1100_000????????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1100_000???????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1100_000??????1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1100_000?????10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1100_000????100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1100_000???1000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1100_000??10000000000: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1100_000?100000000000: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1100_0001000000000000: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1101_?1??????????????: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1101_10??????????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1101_00?????????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1101_00????????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1101_00???????????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1101_00??????????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1101_00?????????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1101_00????????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1101_00???????1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1101_00??????10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1101_00?????100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1101_00????1000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1101_00???10000000000: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1101_00??100000000000: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1101_00?1000000000000: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1101_0010000000000000: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1110_1???????????????: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
20'b1110_0??????????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1110_0?????????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1110_0????????????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1110_0???????????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1110_0??????????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1110_0?????????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1110_0????????1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1110_0???????10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1110_0??????100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1110_0?????1000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1110_0????10000000000: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1110_0???100000000000: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1110_0??1000000000000: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1110_0?10000000000000: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1110_0100000000000000: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1111_???????????????1: begin grant_onehot_r = 16'b0000000000000001; grant_index_r = LOG_NUM_REQS'(0); end
20'b1111_??????????????10: begin grant_onehot_r = 16'b0000000000000010; grant_index_r = LOG_NUM_REQS'(1); end
20'b1111_?????????????100: begin grant_onehot_r = 16'b0000000000000100; grant_index_r = LOG_NUM_REQS'(2); end
20'b1111_????????????1000: begin grant_onehot_r = 16'b0000000000001000; grant_index_r = LOG_NUM_REQS'(3); end
20'b1111_???????????10000: begin grant_onehot_r = 16'b0000000000010000; grant_index_r = LOG_NUM_REQS'(4); end
20'b1111_??????????100000: begin grant_onehot_r = 16'b0000000000100000; grant_index_r = LOG_NUM_REQS'(5); end
20'b1111_?????????1000000: begin grant_onehot_r = 16'b0000000001000000; grant_index_r = LOG_NUM_REQS'(6); end
20'b1111_????????10000000: begin grant_onehot_r = 16'b0000000010000000; grant_index_r = LOG_NUM_REQS'(7); end
20'b1111_???????100000000: begin grant_onehot_r = 16'b0000000100000000; grant_index_r = LOG_NUM_REQS'(8); end
20'b1111_??????1000000000: begin grant_onehot_r = 16'b0000001000000000; grant_index_r = LOG_NUM_REQS'(9); end
20'b1111_?????10000000000: begin grant_onehot_r = 16'b0000010000000000; grant_index_r = LOG_NUM_REQS'(10); end
20'b1111_????100000000000: begin grant_onehot_r = 16'b0000100000000000; grant_index_r = LOG_NUM_REQS'(11); end
20'b1111_???1000000000000: begin grant_onehot_r = 16'b0001000000000000; grant_index_r = LOG_NUM_REQS'(12); end
20'b1111_??10000000000000: begin grant_onehot_r = 16'b0010000000000000; grant_index_r = LOG_NUM_REQS'(13); end
20'b1111_?100000000000000: begin grant_onehot_r = 16'b0100000000000000; grant_index_r = LOG_NUM_REQS'(14); end
20'b1111_1000000000000000: begin grant_onehot_r = 16'b1000000000000000; grant_index_r = LOG_NUM_REQS'(15); end
default: begin grant_onehot_r = 'x; grant_index_r = 'x; end
endcase
end
end else begin
always @(*) begin
grant_index_r = 'x;
grant_onehot_r = 'x;
for (integer i = 0; i < NUM_REQS; ++i) begin
for (integer j = 0; j < NUM_REQS; ++j) begin
if (state == LOG_NUM_REQS'(i)
&& requests[(j + 1) % NUM_REQS]) begin
grant_index_r = LOG_NUM_REQS'((j + 1) % NUM_REQS);
grant_onehot_r = '0;
grant_onehot_r[(j + 1) % NUM_REQS] = 1;
end
end
end
end
end
always @(*) begin
casez ({state, requests})
3'b0_01,
3'b1_?1: begin grant_onehot_r = 2'b01; grant_index_r = LOG_NUM_REQS'(0); end
default: begin grant_onehot_r = 2'b10; grant_index_r = LOG_NUM_REQS'(1); end
endcase
end
always @(posedge clk) begin
if (reset) begin
state <= 0;
end else if (!LOCK_ENABLE || enable) begin
state <= grant_index;
state <= grant_index_r;
end
end
assign grant_index = grant_index_r;
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end else if (NUM_REQS == 4) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
casez ({state, requests})
6'b00_0001,
6'b01_00?1,
6'b10_0??1,
6'b11_???1: begin grant_onehot_r = 4'b0001; grant_index_r = LOG_NUM_REQS'(0); end
6'b00_??1?,
6'b01_0010,
6'b10_0?10,
6'b11_??10: begin grant_onehot_r = 4'b0010; grant_index_r = LOG_NUM_REQS'(1); end
6'b00_?10?,
6'b01_?1??,
6'b10_0100,
6'b11_?100: begin grant_onehot_r = 4'b0100; grant_index_r = LOG_NUM_REQS'(2); end
default: begin grant_onehot_r = 4'b1000; grant_index_r = LOG_NUM_REQS'(3); end
endcase
end
always @(posedge clk) begin
if (reset) begin
state <= 0;
end else if (!LOCK_ENABLE || enable) begin
state <= grant_index_r;
end
end
assign grant_index = grant_index_r;
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end else if (NUM_REQS == 8) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
reg [LOG_NUM_REQS-1:0] state;
always @(*) begin
casez ({state, requests})
11'b000_00000001,
11'b001_000000?1,
11'b010_00000??1,
11'b011_0000???1,
11'b100_000????1,
11'b101_00?????1,
11'b110_0??????1,
11'b111_???????1: begin grant_onehot_r = 8'b00000001; grant_index_r = LOG_NUM_REQS'(0); end
11'b000_??????1?,
11'b001_00000010,
11'b010_00000?10,
11'b011_0000??10,
11'b100_000???10,
11'b101_00????10,
11'b110_0?????10,
11'b111_??????10: begin grant_onehot_r = 8'b00000010; grant_index_r = LOG_NUM_REQS'(1); end
11'b000_?????10?,
11'b001_?????1??,
11'b010_00000100,
11'b011_0000?100,
11'b100_000??100,
11'b101_00???100,
11'b110_0????100,
11'b111_?????100: begin grant_onehot_r = 8'b00000100; grant_index_r = LOG_NUM_REQS'(2); end
11'b000_????100?,
11'b001_????10??,
11'b010_????1???,
11'b011_00001000,
11'b100_000?1000,
11'b101_00??1000,
11'b110_0???1000,
11'b111_????1000: begin grant_onehot_r = 8'b00001000; grant_index_r = LOG_NUM_REQS'(3); end
11'b000_???1000?,
11'b001_???100??,
11'b010_???10???,
11'b011_???1????,
11'b100_00010000,
11'b101_00?10000,
11'b110_0??10000,
11'b111_???10000: begin grant_onehot_r = 8'b00010000; grant_index_r = LOG_NUM_REQS'(4); end
11'b000_??10000?,
11'b001_??1000??,
11'b010_??100???,
11'b011_??10????,
11'b100_??1?????,
11'b101_00100000,
11'b110_0?100000,
11'b111_??100000: begin grant_onehot_r = 8'b00100000; grant_index_r = LOG_NUM_REQS'(5); end
11'b000_?100000?,
11'b001_?10000??,
11'b010_?1000???,
11'b011_?100????,
11'b100_?10?????,
11'b101_?1??????,
11'b110_01000000,
11'b111_?1000000: begin grant_onehot_r = 8'b01000000; grant_index_r = LOG_NUM_REQS'(6); end
default: begin grant_onehot_r = 8'b10000000; grant_index_r = LOG_NUM_REQS'(7); end
endcase
end
always @(posedge clk) begin
if (reset) begin
state <= 0;
end else if (!LOCK_ENABLE || enable) begin
state <= grant_index_r;
end
end
assign grant_index = grant_index_r;
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end else if (MODEL == 1) begin
`IGNORE_WARNINGS_BEGIN
wire [NUM_REQS-1:0] mask_higher_pri_regs, unmask_higher_pri_regs;
`IGNORE_WARNINGS_END
wire [NUM_REQS-1:0] grant_masked, grant_unmasked;
reg [NUM_REQS-1:0] pointer_reg;
wire [NUM_REQS-1:0] req_masked = requests & pointer_reg;
assign mask_higher_pri_regs[NUM_REQS-1:1] = mask_higher_pri_regs[NUM_REQS-2:0] | req_masked[NUM_REQS-2:0];
assign mask_higher_pri_regs[0] = 1'b0;
assign grant_masked[NUM_REQS-1:0] = req_masked[NUM_REQS-1:0] & ~mask_higher_pri_regs[NUM_REQS-1:0];
assign unmask_higher_pri_regs[NUM_REQS-1:1] = unmask_higher_pri_regs[NUM_REQS-2:0] | requests[NUM_REQS-2:0];
assign unmask_higher_pri_regs[0] = 1'b0;
assign grant_unmasked[NUM_REQS-1:0] = requests[NUM_REQS-1:0] & ~unmask_higher_pri_regs[NUM_REQS-1:0];
wire no_req_masked = ~(|req_masked);
assign grant_onehot = ({NUM_REQS{no_req_masked}} & grant_unmasked) | grant_masked;
always @(posedge clk) begin
if (reset) begin
pointer_reg <= {NUM_REQS{1'b1}};
end else if (!LOCK_ENABLE || enable) begin
if (|req_masked) begin
pointer_reg <= mask_higher_pri_regs;
end else if (|requests) begin
pointer_reg <= unmask_higher_pri_regs;
end else begin
pointer_reg <= pointer_reg;
end
end
end
assign grant_valid = (| requests);
VX_onehot_encoder #(
.N (NUM_REQS)
) onehot_encoder (
.data_in (grant_onehot),
.data_out (grant_index),
`UNUSED_PIN (valid_out)
);
end else begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
reg [NUM_REQS-1:0] state;
always @(*) begin
grant_index_r = 'x;
grant_onehot_r = 'x;
for (integer i = 0; i < NUM_REQS; ++i) begin
for (integer j = 0; j < NUM_REQS; ++j) begin
if (state[i] && requests[(j + 1) % NUM_REQS]) begin
grant_index_r = LOG_NUM_REQS'((j + 1) % NUM_REQS);
grant_onehot_r = '0;
grant_onehot_r[(j + 1) % NUM_REQS] = 1;
end
end
end
end
always @(posedge clk) begin
if (reset) begin
state <= 0;
end else if (!LOCK_ENABLE || enable) begin
state <= grant_index_r;
end
end

2
hw/rtl/libs/VX_stream_arbiter.v
View File

@@ -86,7 +86,7 @@ module VX_stream_arbiter #(
VX_onehot_mux #(
.DATAW (DATAW),
.COUNT (NUM_REQS)
.N (NUM_REQS)
) data_in_mux (
.data_in (data_in),
.sel_in (sel_1hot),