Leon3FT fault tolerance » History » Version 4
paul leroy, 25/01/2016 01:49 PM
| 1 | 3 | paul leroy | h1. Leon3/FT faulttolerance |
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| 3 | The explanations hereafter are extracted from the Gaisler IP cores user's manual (grip.pdf). |
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| 4 | There are two aspects in the fault tolerance: register file protection and cache protection: |
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| 5 | * Cache protection is managed with the CCR (Cache Control Register) located in ASI 2, offet 0x00 |
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| 6 | * Register file protection is managed with the ASR16, Register protection control register |
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| 7 | 4 | paul leroy | |
| 8 | 3 | paul leroy | h2. Cache Control Register (ASI 2, offset 0x00) |
| 9 | 4 | paul leroy | |
| 10 | 3 | paul leroy | h2. Register protection control register (ASR16) |
| 11 | 4 | paul leroy | |
| 12 | 3 | paul leroy | *ASI = Address Space Identifier |
| 13 | *ASR = Ancillary State Register |