Struct MMFSR

pub struct MMFSR(/* private fields */);

The MemManage fault status register indicates a memory access violation detected by the Memory Protection Unit (MPU).

Implementations

impl MMFSR

pub const DOC_IACCVIOL: &'static str = r#"Instruction access violation. The processor attempted an instruction fetch from a location that does not permit execution. Faulting instruction: see `PC`. "#

pub const DOC_DACCVIOL: &'static str = r#"Data access violation. The processor attempted a load or store at a location that does not permit the operation. Faulting instruction: see `PC`. Address of the attempted access: see `MMFAR`. "#

pub const DOC_MUNSTKERR: &'static str = r#"MemManage fault on unstacking for a return from exception. Fault address - see MMFAR. Potential reasons: - Stack pointer is corrupted - MPU region for the stack changed during execution of the exception handler "#

pub const DOC_MSTKERR: &'static str = r#" MemManage fault on stacking for exception entry. The SP is still adjusted but the values in the context area on the stack might be incorrect. The processor has not written a fault address to the MMFAR. Potential reasons: - Stack pointer is corrupted or not initialized - Stack is reaching a region not defined by the MPU as read/write memory. "#

pub const DOC_MLSPERR: &'static str = r#"MemManage fault during floating point lazy state preservation (only Cortex-M4 with FPU)."#

pub const DOC_MMARVALID: &'static str = r#"MemManage Fault Address Register (MMFAR) valid flag. SCB->MMFAR holds a valid fault address."#

pub fn IACCVIOL(&self) -> bool

Instruction access violation. The processor attempted an instruction fetch from a location that does not permit execution. Faulting instruction: see PC.

pub fn DACCVIOL(&self) -> bool

Data access violation. The processor attempted a load or store at a location that does not permit the operation. Faulting instruction: see PC. Address of the attempted access: see MMFAR.

pub fn MUNSTKERR(&self) -> bool

MemManage fault on unstacking for a return from exception. Fault address - see MMFAR. Potential reasons: - Stack pointer is corrupted - MPU region for the stack changed during execution of the exception handler

pub fn MSTKERR(&self) -> bool

MemManage fault on stacking for exception entry.

The SP is still adjusted but the values in the context area on the stack might be incorrect. The processor has not written a fault address to the MMFAR. Potential reasons:

• Stack pointer is corrupted or not initialized
• Stack is reaching a region not defined by the MPU as read/write memory.

pub fn MLSPERR(&self) -> bool

MemManage fault during floating point lazy state preservation (only Cortex-M4 with FPU).

pub fn MMARVALID(&self) -> bool

MemManage Fault Address Register (MMFAR) valid flag. SCB->MMFAR holds a valid fault address.

Trait Implementations

impl Binary for MMFSR

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Clone for MMFSR

fn clone(&self) -> MMFSR

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MMFSR

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for MMFSR

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<MMFSR> for i16

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for i32

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for i64

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for i8

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for u16

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for u32

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for u64

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<MMFSR> for u8

fn from(value: MMFSR) -> Self

Converts to this type from the input type.

impl From<i8> for MMFSR

fn from(value: i8) -> Self

Converts to this type from the input type.

impl From<u8> for MMFSR

fn from(value: u8) -> Self

Converts to this type from the input type.

impl PartialEq for MMFSR

fn eq(&self, other: &MMFSR) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl RegTags for MMFSR

fn is_empty(&self) -> bool

Has no tags

fn tags(&self) -> impl IntoIterator<Item = (&str, &str)>

Returns true tags as (name + description)

impl TryFrom<u16> for MMFSR

where u8: TryFrom<u16>, Self: From<u8>,

type Error = <u8 as TryFrom<u16>>::Error

The type returned in the event of a conversion error.

fn try_from(value: u16) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<u32> for MMFSR

where u8: TryFrom<u32>, Self: From<u8>,

type Error = <u8 as TryFrom<u32>>::Error

The type returned in the event of a conversion error.

fn try_from(value: u32) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<u64> for MMFSR

where u8: TryFrom<u64>, Self: From<u8>,

type Error = <u8 as TryFrom<u64>>::Error

The type returned in the event of a conversion error.

fn try_from(value: u64) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for MMFSR

impl Eq for MMFSR

impl StructuralPartialEq for MMFSR