4.19.2. CP14 Debug coprocessor

The CP14 Debug coprocessor registers are fully implemented for Cortex-A15, Cortex-A7 and AEMv7. For all other models, the CP14 Debug coprocessor registers are not implemented apart from the DSCR register. This register reads as 0 and ignores writes. External debugging must be used to debug systems containing PV models.

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