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lkg build

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This commit is contained in:
Blaise Tine
2021-06-25 16:28:10 -07:00
parent 7e0dc81cee
commit 1ea738ed26
14 changed files with 257 additions and 538 deletions
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121
hw/rtl/libs/VX_onehot_encoder.v
View File

@@ -23,126 +23,7 @@ module VX_onehot_encoder #(
assign data_out = data_in[!REVERSE];
assign valid = (| data_in);
end else if (N == 4) begin
reg [LN-1:0] index_r;
if (REVERSE) begin
always @(*) begin
casez (data_in)
4'b1000: index_r = LN'(0);
4'b?100: index_r = LN'(1);
4'b??10: index_r = LN'(2);
4'b???1: index_r = LN'(3);
default: index_r = 'x;
endcase
end
end else begin
always @(*) begin
casez (data_in)
4'b0001: index_r = LN'(0);
4'b001?: index_r = LN'(1);
4'b01??: index_r = LN'(2);
4'b1???: index_r = LN'(3);
default: index_r = 'x;
endcase
end
end
assign data_out = index_r;
assign valid = (| data_in);
end else if (N == 8) begin
reg [LN-1:0] index_r;
if (REVERSE) begin
always @(*) begin
casez (data_in)
8'b10000000: index_r = LN'(0);
8'b?1000000: index_r = LN'(1);
8'b??100000: index_r = LN'(2);
8'b???10000: index_r = LN'(3);
8'b????1000: index_r = LN'(4);
8'b?????100: index_r = LN'(5);
8'b??????10: index_r = LN'(6);
8'b???????1: index_r = LN'(7);
default: index_r = 'x;
endcase
end
end else begin
always @(*) begin
casez (data_in)
8'b00000001: index_r = LN'(0);
8'b0000001?: index_r = LN'(1);
8'b000001??: index_r = LN'(2);
8'b00001???: index_r = LN'(3);
8'b0001????: index_r = LN'(4);
8'b001?????: index_r = LN'(5);
8'b01??????: index_r = LN'(6);
8'b1???????: index_r = LN'(7);
default: index_r = 'x;
endcase
end
end
assign data_out = index_r;
assign valid = (| data_in);
end else if (N == 16) begin
reg [LN-1:0] index_r;
if (REVERSE) begin
always @(*) begin
casez (data_in)
16'b1000000000000000: index_r = LN'(0);
16'b?100000000000000: index_r = LN'(1);
16'b??10000000000000: index_r = LN'(2);
16'b???1000000000000: index_r = LN'(3);
16'b????100000000000: index_r = LN'(4);
16'b?????10000000000: index_r = LN'(5);
16'b??????1000000000: index_r = LN'(6);
16'b???????100000000: index_r = LN'(7);
16'b????????10000000: index_r = LN'(8);
16'b?????????1000000: index_r = LN'(9);
16'b??????????100000: index_r = LN'(10);
16'b???????????10000: index_r = LN'(11);
16'b????????????1000: index_r = LN'(12);
16'b?????????????100: index_r = LN'(13);
16'b??????????????10: index_r = LN'(14);
16'b???????????????1: index_r = LN'(15);
default: index_r = 'x;
endcase
end
end else begin
always @(*) begin
casez (data_in)
16'b0000000000000001: index_r = LN'(0);
16'b000000000000001?: index_r = LN'(1);
16'b00000000000001??: index_r = LN'(2);
16'b0000000000001???: index_r = LN'(3);
16'b000000000001????: index_r = LN'(4);
16'b00000000001?????: index_r = LN'(5);
16'b0000000001??????: index_r = LN'(6);
16'b000000001???????: index_r = LN'(7);
16'b00000001????????: index_r = LN'(8);
16'b0000001?????????: index_r = LN'(9);
16'b000001??????????: index_r = LN'(10);
16'b00001???????????: index_r = LN'(11);
16'b0001????????????: index_r = LN'(12);
16'b001?????????????: index_r = LN'(13);
16'b01??????????????: index_r = LN'(14);
16'b1???????????????: index_r = LN'(15);
default: index_r = 'x;
endcase
end
end
assign data_out = index_r;
assign valid = (| data_in);
end if (FAST) begin
end else if (FAST) begin
`IGNORE_WARNINGS_BEGIN
localparam levels_lp = $clog2(N);
localparam aligned_width_lp = 1 << $clog2(N);

125
hw/rtl/libs/VX_priority_encoder.v
View File

@@ -24,128 +24,6 @@ module VX_priority_encoder #(
assign index = ~data_in[REVERSE];
assign valid_out = (| data_in);
end else if (N == 4) begin
reg [LN-1:0] index_r;
reg [N-1:0] onehot_r;
if (REVERSE) begin
always @(*) begin
casez (data_in)
4'b1???: begin onehot_r = 4'b0001; index_r = LN'(0); end
4'b01??: begin onehot_r = 4'b0010; index_r = LN'(1); end
4'b001?: begin onehot_r = 4'b0100; index_r = LN'(2); end
4'b0001: begin onehot_r = 4'b1000; index_r = LN'(3); end
default: begin onehot_r = 'x; index_r = 'x; end
endcase
end
end else begin
always @(*) begin
casez (data_in)
4'b???1: begin onehot_r = 4'b0001; index_r = LN'(0); end
4'b??10: begin onehot_r = 4'b0010; index_r = LN'(1); end
4'b?100: begin onehot_r = 4'b0100; index_r = LN'(2); end
4'b1000: begin onehot_r = 4'b1000; index_r = LN'(3); end
default: begin onehot_r = 'x; index_r = 'x; end
endcase
end
end
assign index = index_r;
assign onehot = onehot_r;
end else if (N == 8) begin
reg [LN-1:0] index_r;
reg [N-1:0] onehot_r;
if (REVERSE) begin
always @(*) begin
casez (data_in)
8'b1???????: begin onehot_r = 8'b00000001; index_r = LN'(0); end
8'b01??????: begin onehot_r = 8'b00000010; index_r = LN'(1); end
8'b001?????: begin onehot_r = 8'b00000100; index_r = LN'(2); end
8'b0001????: begin onehot_r = 8'b00001000; index_r = LN'(3); end
8'b00001???: begin onehot_r = 8'b00010000; index_r = LN'(4); end
8'b000001??: begin onehot_r = 8'b00100000; index_r = LN'(5); end
8'b0000001?: begin onehot_r = 8'b01000000; index_r = LN'(6); end
8'b00000001: begin onehot_r = 8'b10000000; index_r = LN'(7); end
default: begin onehot_r = 'x; index_r = 'x; end
endcase
end
end else begin
always @(*) begin
casez (data_in)
8'b???????1: begin onehot_r = 8'b00000001; index_r = LN'(0); end
8'b??????10: begin onehot_r = 8'b00000010; index_r = LN'(1); end
8'b?????100: begin onehot_r = 8'b00000100; index_r = LN'(2); end
8'b????1000: begin onehot_r = 8'b00001000; index_r = LN'(3); end
8'b???10000: begin onehot_r = 8'b00010000; index_r = LN'(4); end
8'b??100000: begin onehot_r = 8'b00100000; index_r = LN'(5); end
8'b?1000000: begin onehot_r = 8'b01000000; index_r = LN'(6); end
8'b10000000: begin onehot_r = 8'b10000000; index_r = LN'(7); end
default: begin onehot_r = 'x; index_r = 'x; end
endcase
end
end
assign index = index_r;
assign onehot = onehot_r;
end else if (N == 16) begin
reg [LN-1:0] index_r;
reg [N-1:0] onehot_r;
if (REVERSE) begin
always @(*) begin
casez (data_in)
16'b1???????????????: begin onehot_r = 16'b0000000000000001; index_r = LN'(0); end
16'b01??????????????: begin onehot_r = 16'b0000000000000010; index_r = LN'(1); end
16'b001?????????????: begin onehot_r = 16'b0000000000000100; index_r = LN'(2); end
16'b0001????????????: begin onehot_r = 16'b0000000000001000; index_r = LN'(3); end
16'b00001???????????: begin onehot_r = 16'b0000000000010000; index_r = LN'(4); end
16'b000001??????????: begin onehot_r = 16'b0000000000100000; index_r = LN'(5); end
16'b0000001?????????: begin onehot_r = 16'b0000000001000000; index_r = LN'(6); end
16'b00000001????????: begin onehot_r = 16'b0000000010000000; index_r = LN'(7); end
16'b000000001???????: begin onehot_r = 16'b0000000100000000; index_r = LN'(8); end
16'b0000000001??????: begin onehot_r = 16'b0000001000000000; index_r = LN'(9); end
16'b00000000001?????: begin onehot_r = 16'b0000010000000000; index_r = LN'(10); end
16'b000000000001????: begin onehot_r = 16'b0000100000000000; index_r = LN'(11); end
16'b0000000000001???: begin onehot_r = 16'b0001000000000000; index_r = LN'(12); end
16'b00000000000001??: begin onehot_r = 16'b0010000000000000; index_r = LN'(13); end
16'b000000000000001?: begin onehot_r = 16'b0100000000000000; index_r = LN'(14); end
16'b0000000000000001: begin onehot_r = 16'b1000000000000000; index_r = LN'(15); end
default: begin onehot_r = 'x; index_r = 'x; end
endcase
end
end else begin
always @(*) begin
casez (data_in)
16'b???????????????1: begin onehot_r = 16'b0000000000000001; index_r = LN'(0); end
16'b??????????????10: begin onehot_r = 16'b0000000000000010; index_r = LN'(1); end
16'b?????????????100: begin onehot_r = 16'b0000000000000100; index_r = LN'(2); end
16'b????????????1000: begin onehot_r = 16'b0000000000001000; index_r = LN'(3); end
16'b???????????10000: begin onehot_r = 16'b0000000000010000; index_r = LN'(4); end
16'b??????????100000: begin onehot_r = 16'b0000000000100000; index_r = LN'(5); end
16'b?????????1000000: begin onehot_r = 16'b0000000001000000; index_r = LN'(6); end
16'b????????10000000: begin onehot_r = 16'b0000000010000000; index_r = LN'(7); end
16'b???????100000000: begin onehot_r = 16'b0000000100000000; index_r = LN'(8); end
16'b??????1000000000: begin onehot_r = 16'b0000001000000000; index_r = LN'(9); end
16'b?????10000000000: begin onehot_r = 16'b0000010000000000; index_r = LN'(10); end
16'b????100000000000: begin onehot_r = 16'b0000100000000000; index_r = LN'(11); end
16'b???1000000000000: begin onehot_r = 16'b0001000000000000; index_r = LN'(12); end
16'b??10000000000000: begin onehot_r = 16'b0010000000000000; index_r = LN'(13); end
16'b?100000000000000: begin onehot_r = 16'b0100000000000000; index_r = LN'(14); end
16'b1000000000000000: begin onehot_r = 16'b1000000000000000; index_r = LN'(15); end
default: begin onehot_r = 'x; index_r = 'x; end
endcase
end
end
assign index = index_r;
assign onehot = onehot_r;
end else if (FAST) begin
wire [N-1:0] scan_lo;
@@ -209,9 +87,8 @@ module VX_priority_encoder #(
assign index = index_r;
assign onehot = onehot_r;
assign valid_out = (| data_in);
end
assign valid_out = (| data_in);
endmodule

21
hw/rtl/libs/VX_rr_arbiter.v
View File

@@ -14,8 +14,6 @@ module VX_rr_arbiter #(
output wire grant_valid
);
localparam NN = NUM_REQS * NUM_REQS;
if (NUM_REQS == 1) begin
`UNUSED_VAR (clk)
@@ -399,17 +397,14 @@ module VX_rr_arbiter #(
always @(*) begin
grant_index_r = 'x;
grant_onehot_r = 'x;
for (integer i = 0; i < NN; ++i) begin
/* verilator lint_off UNUSED */
integer src = i / NUM_REQS;
integer dst = i % NUM_REQS;
integer next = (dst + 1) % NUM_REQS;
/* verilator lint_on UNUSED */
if (state == LOG_NUM_REQS'(src )
&& requests[next]) begin
grant_index_r = LOG_NUM_REQS'(next);
grant_onehot_r = '0;
grant_onehot_r[next] = 1;
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