Supported Processor Cache Features

This section lists the cache features and supported status flags.

Table 1. P4080 - Supported Cache Operations and Status Flags
Cache Features Supported Operations Supported Status Flags
L1 data cache
  • 32 KB size
  • 64 sets
  • 8 ways
  • 16 words / line
  • enable/disable cache
  • lock/unlock cache
  • invalidate cache
  • lock/unlock line
  • invalidate line
  • read/modify data
  • flush cache
  • flush line
  • valid
  • lock
  • shared
  • dirty
  • castout
  • plru
L1 instruction cache
  • 32 KB size
  • 64 sets
  • 8 ways
  • 16 words / line
  • enable/disable cache
  • lock/unlock cache
  • invalidate cache
  • lock/unlock line
  • invalidate line
  • read/modify data
  • valid
  • lock
  • plru
L2 cache
  • 128 KB size
  • 256 sets
  • 8 ways
  • 16 words / line
  • enable/disable cache
  • lock/unlock cache
  • invalidate cache
  • lock/unlock line
  • invalidate line
  • read/modify data
  • flush cache
  • flush line
  • valid
  • lock
  • shared
  • dirty
  • noncohe-rent
  • plru
L3 cache
  • 2 banks
  • 512KB/bank
  • 512 sets
  • 32 ways
  • 16 words/line
  • enable/disable cache
  • lock/unlock cache
  • invalidate cache
  • lock/unlock line
  • invalidate line
  • read/modify data
  • flush cache
  • flush line
  • valid
  • locked
  • modified
  • plru