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synth_nexus: Initial implementation

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2020-10-01 11:15:54 +01:00
parent f9ed9786bf
commit 4d584d9319
30 changed files with 12528 additions and 0 deletions
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33
techlibs/nexus/parse_init.vh Normal file
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function [15:0] parse_init;
input [((2+(16/4))*8)-1:0] init;
reg [7:0] c;
integer i;
begin
for (i = 0; i < (16/4); i = i + 1) begin
c = init[(i * 8) +: 8];
if (c >= "0" && c <= "9")
parse_init[(i * 4) +: 4] = (c - "0");
else if (c >= "A" && c <= "F")
parse_init[(i * 4) +: 4] = (c - "A") + 10;
else if (c >= "a" && c <= "f")
parse_init[(i * 4) +: 4] = (c - "a") + 10;
end
end
endfunction
function [63:0] parse_init_64;
input [((2+(64/4))*8)-1:0] init;
reg [7:0] c;
integer i;
begin
for (i = 0; i < (64/4); i = i + 1) begin
c = init[(i * 8) +: 8];
if (c >= "0" && c <= "9")
parse_init_64[(i * 4) +: 4] = (c - "0");
else if (c >= "A" && c <= "F")
parse_init_64[(i * 4) +: 4] = (c - "A") + 10;
else if (c >= "a" && c <= "f")
parse_init_64[(i * 4) +: 4] = (c - "a") + 10;
end
end
endfunction