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Implemented

MMU (ARMv7-A short+LPAE, AArch64 stage-1)

Priority 0 - Memory System

$2,750 / $2,750fully funded
Done$2,750 / $2,750 - 100%
As a firmware developer, I want vemu's MMU (ARMv7-A short+LPAE, AArch64 stage-1) to stay accurate, tested, and documented, so that I can keep depending on virtual memory / OS support.

Why it matters

Virtual memory / OS support

Summary

Page-table walk, AP/XN, aborts

Scope of work

Already implemented. Harden, broaden coverage, add tests and documentation for MMU (ARMv7-A short+LPAE, AArch64 stage-1). What it is: Page-table walk, AP/XN, aborts. Why it matters: Virtual memory / OS support.

Current state

Status: Fully implemented. Notes / evidence: armv7a/src/mmu.rs, aarch64/src/mmu.rs.

Blocked by 2

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

  • Done
  • Done
Unblocks 7

Funding this also clears the way for the work below.

Activity log

  1. Feature defined and added to the roadmap

  2. Funding goal set to $2,750

  3. Implementation status: Implemented

  4. Delivered - counted as fully funded