Chapter A4 Power management
A4.1 About power management .................................................................................... A4-46
A4.2 Voltage domains .................................................................................................... A4-47
A4.3 Power domains .................................................. .................................................. A4-48
A4.4 Architectural clock gating modes ..................................... ..................................... A4-50
A4.5 Power control ........................................................................................................ A4-52
A4.6 Core power modes ................................................................................................ A4-53
A4.7 Encoding for power modes ......................................... ......................................... A4-56
A4.8 Power domain states for power modes ................................ ................................ A4-57
A4.9 Power up and down sequences ............................................................................ A4-58
A4.10 Debug over powerdown ........................................................................................ A4-59
Chapter A5 Memory Management Unit
A5.1 About the MMU .................................................. .................................................. A5-62
A5.2 TLB organization ................................................. ................................................. A5-64
A5.3 TLB match process ............................................... ............................................... A5-65
A5.4 Translation table walks .......................................................................................... A5-66
A5.5 MMU memory accesses ........................................................................................ A5-67
A5.6 Specific behaviors on aborts and memory attributes ............................................ A5-68
Chapter A6 Level 1 memory system
A6.1 About the L1 memory system ....................................... ....................................... A6-72
A6.2 Cache behavior .................................................. .................................................. A6-73
A6.3 L1 instruction memory system ....................................... ....................................... A6-75
A6.4 L1 data memory system ........................................................................................ A6-77
A6.5 Data prefetching .................................................................................................... A6-79
A6.6 Direct access to internal memory .......................................................................... A6-80
Chapter A7 Level 2 memory system
A7.1 About the L2 memory system ....................................... ....................................... A7-98
A7.2 About the L2 cache ............................................... ............................................... A7-99
A7.3 Support for memory types ......................................... ......................................... A7-100
Chapter A8 Reliability, Availability, and Serviceability (RAS)
A8.1 Cache ECC and parity ........................................................................................ A8-102
A8.2 Cache protection behavior ........................................ ........................................ A8-103
A8.3 Uncorrected errors and data poisoning ............................... ............................... A8-105
A8.4 RAS error types ................................................. ................................................. A8-106
A8.5 Error Synchronization Barrier ...................................... ...................................... A8-107
A8.6 Error recording .................................................................................................... A8-108
A8.7 Error injection ...................................................................................................... A8-109
Chapter A9 Generic Interrupt Controller CPU interface
A9.1 About the Generic Interrupt Controller CPU interface .................... .................... A9-112
A9.2 Bypassing the CPU interface ....................................... ....................................... A9-113
Chapter A10 Advanced SIMD and floating-point support
A10.1 About the Advanced SIMD and floating-point support ................... ................... A10-116
A10.2 Accessing the feature identification registers .................................................... A10-117
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