lowRISC / lowRISC/opentitan

[rom_ext] clear spi_device and usbdev buffers

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#12,602 2 comments 0 reactions 0 assignees View on GitHub

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Component:Software Priority:P3 SW:ROM_EXT Type:Task
Dominant language
SystemVerilog
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Description

The overhead of clearing spi_device and usbdev buffers seems to be acceptable (#12567). We should do this in ROM_EXT though since doesn't have to be done in ROM.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing issue #12567 and the existing ROM and ROM_EXT handling for the spi_device and usbdev buffers. Done means the buffers are cleared in ROM_EXT, with the stated clearing overhead considered acceptable, rather than requiring the operation in ROM.

Written by the indexing model from the issue text.

Assessment

Domain
embedded-iot
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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