I Cache Parity Error
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memory faults. The inclusion of the parity generation and checking logic for the caches and the Instruction TCM is a synthesis option. For more details, see the ARM1156T2F-S and ARM1156T2-S Implementation Guide. Instruction cache Tag and Valid RAM parity what is parity error error detectionThe Instruction cache Tag and Valid RAM blocks are written on cache
Parity Error Cisco
line fills and cache maintenance operations. During the write operations the parity data is generated and written to the RAM.The parity error fix Instruction cache Tag and Valid RAM blocks are read during cache lookups and cache maintenance operations. When the IR bit is set the detection of a parity error in the Instruction cache Tag system returned to rom by processor memory parity error at pc RAMs causes a cache miss indication. This invalidates the current cache line, and cause its replacement from main memory. In this case the victim counter is over-ridden and the failing set is chosen as the victim. If the IR bit, bit 6 of c1, Auxiliary Control Register, is not set the detection of a parity error causes a Prefetch Abort.Instruction cache Data RAM parity error detectionThe instruction
Imprecise Data Parity Error
cache RAM block is written to on cache line fills. When the IR bit is set the detection of a parity error instruction cache RAM block causes the cache line to be invalidated and refetched from main memory. If the IR bit, bit 6 of c1, Auxiliary Control Register, is not set the detection of a parity error causes a Prefetch Abort to be returned to the processor.When the processor executes the instruction:the address of the parity error is stored in the Instruction Fault Address register. the Instruction Fault Status register is set to indicate the presence of a parity error.Data cache Dirty RAM error detectionThe Data cache Dirty RAM blocks are written to on line fills, stores that hit in the cache, and cache maintenance operations. If there is an error in the Dirty RAM, the cache line is treated as dirty.Data cache TAG and Valid RAM parity error detectionThe Data Tag RAM blocks are written on cache line fills and cache maintenance operations. During the write operations the parity data is generated and written to the RAM.The detection of a parity error in the Data cache TAG and Valid RAM blocks causes a Data
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