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xcelium support #1386

Merged
merged 8 commits into from
Mar 16, 2023
Merged

xcelium support #1386

merged 8 commits into from
Mar 16, 2023

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sagark
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@sagark sagark commented Mar 8, 2023 •
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Related PRs / Issues:

N/A

Type of change:

  • Bug fix
  • New feature
  • Other enhancement

Impact:

  • RTL change
  • Software change (RISC-V software)
  • Build system change
  • Other

Contributor Checklist:

  • Did you set main as the base branch?
  • Is this PR's title suitable for inclusion in the changelog and have you added a changelog:<topic> label?
  • Did you state the type-of-change/impact?
  • Did you delete any extraneous prints/debugging code?
  • Did you mark the PR with a changelog: label?
  • (If applicable) Did you update the conda .conda-lock.yml file if you updated the conda requirements file?
  • (If applicable) Did you add documentation for the feature?
  • (If applicable) Did you add a test demonstrating the PR?
  • (If applicable) Did you mark the PR as Please Backport?

@sagark sagark changed the title [DO NOT MERGE, WIP] xcelium support xcelium support Mar 9, 2023
abejgonzalez
abejgonzalez reviewed Mar 9, 2023
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sims/xcelium/Makefile

$(sim_workdir): $(sim_common_files) $(dramsim_lib) $(EXTRA_SIM_REQS)
rm -rf $(model_dir)
$(XCELIUM) -elaborate $(XCELIUM_OPTS) $(EXTRA_SIM_SOURCES) $(XCELIUM_COMMON_ARGS)
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I thought elaboration and running all happened in 1 step. What is this doing?

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Could be useful to use xrun in multi-step like this if you wanted to save a snapshot.

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sims/xcelium/Makefile
rm -rf $(model_dir)
$(XCELIUM) -elaborate $(XCELIUM_OPTS) $(EXTRA_SIM_SOURCES) $(XCELIUM_COMMON_ARGS)

$(sim_run_tcl): $(sim_workdir)
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Can you somehow inline the tcl so that you don't create an extra run tcl script?

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Track this issue in #1405

harrisonliew
harrisonliew reviewed Mar 9, 2023
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Seems unwise to use VCD for simulations on Chipyard-sized designs. Can you use SHM instead? Perhaps repurpose the USE_VPD flag for fallback to VCD...

@kenhoberkeley
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Two useful keys when used in conjunction with SHM outputs, -incsize (incremental file size for splitting waveform outputs) and -compress.

@jerryz123
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Seems unwise to use VCD for simulations on Chipyard-sized designs. Can you use SHM instead? Perhaps repurpose the USE_VPD flag for fallback to VCD...

Can we just define a new USE_VCD fallback?

@jerryz123 jerryz123 mentioned this pull request Mar 16, 2023
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@jerryz123
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Handle remaining issues in #1405

jerryz123
jerryz123 approved these changes Mar 16, 2023
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Fixed the last few comment-related issues. Improving the overall flow will be left to future PRs.

@jerryz123 jerryz123 merged commit ae730db into main Mar 16, 2023
@abejgonzalez abejgonzalez mentioned this pull request Mar 17, 2023
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@jerryz123 jerryz123 deleted the xcelium-support branch March 20, 2023 21:12
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@harrisonliew harrisonliew harrisonliew left review comments

@abejgonzalez abejgonzalez abejgonzalez left review comments

@jerryz123 jerryz123 jerryz123 approved these changes

@kenhoberkeley kenhoberkeley Awaiting requested review from kenhoberkeley

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@sagark @kenhoberkeley @jerryz123 @abejgonzalez @harrisonliew