← Back to roadmap
Implemented

Exception levels EL0-EL3, routing, ERET

Priority 1 - CPU Architectures & Execution Engines / 1.3 AArch64 (A64) & Cortex-A 64-bit

$1,500 / $1,500fully funded
Done$1,500 / $1,500 - 100%
As a firmware developer, I want vemu's Exception levels EL0-EL3, routing, ERET to stay accurate, tested, and documented, so that I can keep depending on secure/hyp boot.

Why it matters

Secure/hyp boot

Summary

Privilege model

Scope of work

Already implemented. Harden, broaden coverage, add tests and documentation for Exception levels EL0-EL3, routing, ERET. What it is: Privilege model. Why it matters: Secure/hyp boot.

Current state

Status: Fully implemented. Notes / evidence: exception.rs, pstate.rs.

Blocked by 1

Fund these first - this work can't be completed until they ship.

  • Done
Unblocks 4

Funding this also clears the way for the work below.

  • Done
  • Done
  • Fund$5,500
  • 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