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Implemented

JTAG TAP FSM (IDCODE, BYPASS)

Priority 3 - Debug, Trace & Instrumentation Hardware / 3.1 Debug transport & probe protocols

$1,500 / $1,500fully funded
Done$1,500 / $1,500 - 100%
As a firmware debugger, I want vemu's JTAG TAP FSM (IDCODE, BYPASS) to stay accurate, tested, and documented, so that I can keep depending on hardware debug entry.

Why it matters

Hardware debug entry

Summary

16-state IR/DR scan

Scope of work

Already implemented. Harden, broaden coverage, add tests and documentation for JTAG TAP FSM (IDCODE, BYPASS). What it is: 16-state IR/DR scan. Why it matters: Hardware debug entry.

Current state

Status: Fully implemented. Notes / evidence: vemu-jtag/src/tap.rs.

Unblocks 3

Funding this also clears the way for the work below.

  • Done
  • Fund$8,000
  • Done

Activity log

  1. Feature defined and added to the roadmap

  2. Funding goal set to $1,500

  3. Implementation status: Implemented

  4. Delivered - counted as fully funded