Leon3FT fault tolerance » History » Version 3
paul leroy, 25/01/2016 01:49 PM
1 | 3 | paul leroy | h1. Leon3/FT faulttolerance |
---|---|---|---|
2 | |||
3 | The explanations hereafter are extracted from the Gaisler IP cores user's manual (grip.pdf). |
||
4 | There are two aspects in the fault tolerance: register file protection and cache protection: |
||
5 | * Cache protection is managed with the CCR (Cache Control Register) located in ASI 2, offet 0x00 |
||
6 | * Register file protection is managed with the ASR16, Register protection control register |
||
7 | h2. Cache Control Register (ASI 2, offset 0x00) |
||
8 | h2. Register protection control register (ASR16) |
||
9 | *ASI = Address Space Identifier |
||
10 | *ASR = Ancillary State Register |