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test: Watch the real INIT handshake and skip zero-length stream jobs #188

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Merged
DanielKellerM merged 1 commit into from
Aug 13, 2026
Merged

test: Watch the real INIT handshake and skip zero-length stream jobs #188

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2 changes: 2 additions & 0 deletions src/db/idma_axi_stream.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -169,6 +169,8 @@ write_bridge_template: |
// Handle writes
while(axis_jobs.size() > 0) begin
current_job = axis_jobs.pop_front();
// a zero-length transfer emits no beats; waiting for one would steal the next job's
if (current_job.length == 0) continue;
address = { current_job.dst_addr[AddrWidth-1:OffsetWidth], {{OffsetWidth}{1'b0}} };
axis_obi_write_req.a.addr = address;

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4 changes: 4 additions & 0 deletions test/tpl/tb_idma_backend.sv.tpl
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Expand Up @@ -591,6 +591,8 @@ ${p}_${database[p]['write_meta_channel']}_width\
&& !(axi_req.w_valid && axi_rsp.w_ready)\
% elif p2 == 'obi':
&& !(obi_write_req.req && obi_write_rsp.gnt)\
% elif p2 == 'init':
&& !(init_write_req.req_valid && init_write_rsp.req_ready)\
% else:
&& !(${p2}_axi_req.w_valid && ${p2}_axi_rsp.w_ready)\
% endif
Expand All @@ -601,6 +603,8 @@ ${p}_${database[p]['write_meta_channel']}_width\
.valid_i(axi_req.w_valid), .ready_i(axi_rsp.w_ready));
% elif protocol == 'obi':
.valid_i(obi_write_req.req), .ready_i(obi_write_rsp.gnt));
% elif protocol == 'init':
.valid_i(init_write_req.req_valid), .ready_i(init_write_rsp.req_ready));
% else:
.valid_i(${protocol}_axi_req.w_valid), .ready_i(${protocol}_axi_rsp.w_ready));
% endif
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