Leon3/FT faulttolerance¶

The explanations hereafter are extracted from the Gaisler IP cores user's manual (grip.pdf).
There are two aspects in the fault tolerance: register file protection and cache protection:

• Cache protection is managed with the CCR (Cache Control Register) located in ASI 2, offet 0x00
• Register file protection is managed with the ASR16, Register protection control register
  h2. Cache Control Register (ASI 2, offset 0x00)
  h2. Register protection control register (ASR16)
  *ASI = Address Space Identifier
  *ASR = Ancillary State Register