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Fix byte-enable bug in TLM2/Axi library. #5

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Fix byte-enable bug in TLM2/Axi library. #5

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82b2995
Fix byte-enable bug in TLM2/Axi library.
nanavati Mar 19, 2021
470ad2e
Merge branch 'main' into byte-enable-fix
quark17 Mar 22, 2021
800ec34
Remove dead code and add comment
quark17 Mar 22, 2021
06f5c10
Remove incorrect comment
quark17 Mar 23, 2021
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12 changes: 1 addition & 11 deletions Libraries/AMBA_TLM2/Axi/AxiDefines.bsv
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Original file line number Diff line number Diff line change
Expand Up @@ -569,17 +569,7 @@ function AxiWrData#(`TLM_PRM) getFirstAxiWrData (RequestDescriptor#(`TLM_PRM) tl
endfunction

function AxiByteEn#(`TLM_PRM) getAxiByteEn (RequestDescriptor#(`TLM_PRM) tlm_descriptor);
Bit#(TLog#(SizeOf#(AxiByteEn#(`TLM_PRM)))) addr = zExtend(tlm_descriptor.addr);
AxiByteEn#(`TLM_PRM) all_ones = unpack('1);
AxiByteEn#(`TLM_PRM) all_zeros = unpack(0);
let tlm_byte_enable = tlm_descriptor.byte_enable;
let out = tlm_byte_enable;
if (tlm_byte_enable == all_zeros || tlm_byte_enable == all_ones)
begin
let mask = ~(all_ones << ({1'b0,tlm_descriptor.burst_size} + 1));
out = (mask << addr);
end
return out;
return tlm_descriptor.byte_enable;
endfunction


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