Carbon Cortex-A9 Model User Guide for SoC Designer

Debug Features 1-15Table 1-4 Core Registers (Continued)Name Description TypeSPSR_FIQ Saved Program Status Register FIQ register read-onlyR13_MON SP MON register read-write 1R14_MON LR MON register read-write 1SPSR_MON Saved Program Status Register MON register read-onlyExtendedTargetFeatures Used internally for TrustZone support read-onlyPC_MEMSPACE Used internally for TrustZone support read-only1. Writeable at debug point only.1.5.1.2 Debug RegistersThe Debug group provides access to the current debug state. This register is available onlywith the MPCore.Table 1-5 Debug RegistersName Description TypeCP14_DSCR Debug Status and Control Register Read-OnlyDBGBVR0 - DBGBVR5 Debug Breakpoint Value Registers Read/WriteDBGBCR0 - DBGBCR5 Debug Breakpoint Control Registers Read/Write1.5.1.3 ID RegistersThe ID group contains registers that describe the processor capabilities. This register isavailable only with the MPCore.Table 1-6 ID RegistersName Description TypeMIDR Main ID register read-onlyCTR Cache Type register read-onlyTCMTR TCM Type register read-onlyTLBTR TLB Type register read-onlyMPIDRMultiprocessor Affinity register. Only valid withthe Cortex-A9 MPCore.read-onlyID_PFR0 Processor Feature 0 register read-onlyID_PFR1 Processor Feature 1 register read-onlyID_DFR0 Debug Feature 0 register read-onlyID_AFR0 Auxiliary Feature 0 register read-onlyID_MMFR0 Memory Model Feature 0 register read-onlyID_MMFR1 Memory Model Feature 1 register read-onlyID_MMFR2 Memory Model Feature 2 register read-onlyCarbon Design Systems, Inc. Confidential