Sven Peter personal blog
Apple Silicon Hardware: SPRR and Guarded Exception Levels (GXF)
Over a year ago siguza published a write-up about Apple’s APRR - a custom ARM extension that redefines pagetable permissions and protects certain parts of the kernel from itself. Since then Apple has released their M1 chip which not only features an updated version of APRR but also easily allows to run bare-metal code…
- Points
- 272
- HN comments
- 94
- Submissions
- 1
- Cited by
- 4 commenters
Systems & PerformanceSecurity & Privacy2021
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| May 7, 2021 | Apple Silicon Hardware: SPRR and Guarded Exception Levels (GXF) by mpweiher | 272 | 94 |
Cited in comments
Linked from 4 Hacker News comments by 4 different people, from May 2021 to Jan 2022.
Most recent:
