Struct RegisterBlock 

pub struct RegisterBlock {
    pub base: RO<u32>,
    pub pfr: [RO<u32>; 2],
    pub dfr: RO<u32>,
    pub afr: RO<u32>,
    pub mmfr: [RO<u32>; 4],
    pub isar: [RO<u32>; 5],
    pub clidr: RO<u32>,
    pub ctr: RO<u32>,
    pub ccsidr: RO<u32>,
    pub csselr: RW<u32>,
    /* private fields */
}

Register block

Fields

base: RO<u32>

CPUID base

pfr: [RO<u32>; 2]

Processor Feature (not present on Cortex-M0 variants)

dfr: RO<u32>

Debug Feature (not present on Cortex-M0 variants)

afr: RO<u32>

Auxiliary Feature (not present on Cortex-M0 variants)

mmfr: [RO<u32>; 4]

Memory Model Feature (not present on Cortex-M0 variants)

isar: [RO<u32>; 5]

Instruction Set Attribute (not present on Cortex-M0 variants)

clidr: RO<u32>

Cache Level ID (only present on Cortex-M7)

ctr: RO<u32>

Cache Type (only present on Cortex-M7)

ccsidr: RO<u32>

Cache Size ID (only present on Cortex-M7)

csselr: RW<u32>

Cache Size Selection (only present on Cortex-M7)