Memory protection & translation
5 done - 0 partial - 4 to build
Why it matters
MPU/MMU translation, permissions, TLBs and attribute/cache modeling.
What
Build out the 'Memory protection & translation' capability area: 9 stories spanning 3 not-yet-built, 1 stubbed, 0 partial and 5 already-implemented (hardening) features.
Stories in this epic (9)
- MPU (PMSAv7 / PMSAv8)$1,750 / $1,750 - 100%Implemented
- MMU (ARMv7-A short+LPAE, AArch64 stage-1)$2,750 / $2,750 - 100%Implemented
- MMU stage-2 (EL2 virtualization)$2,750 / $2,750 - 100%Implemented
- VMSAv8-64 MMU (4K/16K/64K) + stage-2$2,250 / $2,250 - 100%Implemented
- MMU hardware Access-Flag / Dirty (DBM)$0 / $15,500 - 0%Not implemented
- ASID/VMID-tagged TLB$0 / $9,750 - 0%Not implemented
- Memory attributes / cacheability (MAIR/TEX)$0 / $10,750 - 0%Stub
- Cache model (I/D, lines, coherency)$0 / $15,500 - 0%Not implemented
- Memory remapping / aliasing / shadow$1,750 / $1,750 - 100%Implemented
Activity log
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Feature defined and added to the roadmap
Funding goal set to $9,750
Funding goal set to $15,500
Funding goal set to $10,750
Funding goal set to $1,750
Funding goal set to $2,750
Funding goal set to $15,500
Funding goal set to $2,750
Funding goal set to $1,750
Funding goal set to $2,250
Implementation status: Not implemented
Implementation status: Not implemented
Implementation status: Stub
Implementation status: Implemented
Implementation status: Implemented
Implementation status: Not implemented
Implementation status: Implemented
Implementation status: Implemented
Implementation status: Implemented
Delivered - counted as fully funded
Delivered - counted as fully funded
Delivered - counted as fully funded
Delivered - counted as fully funded
Delivered - counted as fully funded