Struct tartan_arch::x86_common::protection::SegmentDescriptorFlags

#[repr(transparent)]
pub struct SegmentDescriptorFlags(_);

Available on x86 or x86-64 only.

Settings for SegmentDescriptors.

Implementations

impl SegmentDescriptorFlags

pub fn os_defined(&self) -> bool

AVL: Ignored bit that can be used by the operating system.

Does not apply to call gates.

pub fn granularity(&self) -> bool

G: Indicates that the segment limit is in units of 4KB. Otherwise, it is in bytes.

pub fn set_os_defined(&mut self, value: bool)

AVL: Ignored bit that can be used by the operating system.

Does not apply to call gates.

pub fn with_os_defined(&mut self, value: bool) -> Self

AVL: Ignored bit that can be used by the operating system.

Does not apply to call gates.

pub fn set_granularity(&mut self, value: bool)

G: Indicates that the segment limit is in units of 4KB. Otherwise, it is in bytes.

pub fn with_granularity(&mut self, value: bool) -> Self

G: Indicates that the segment limit is in units of 4KB. Otherwise, it is in bytes.

Trait Implementations

impl Bitfield<u32> for SegmentDescriptorFlags

fn new(value: T) -> Self

Construct a new bitfield type from its underlying representation

fn value(self) -> T

Unwrap the bitfield into its underlying representation

impl Clone for SegmentDescriptorFlags

fn clone(&self) -> SegmentDescriptorFlags

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SegmentDescriptorFlags

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

Formats the value using the given formatter.

impl Default for SegmentDescriptorFlags

fn default() -> SegmentDescriptorFlags

Returns the “default value” for a type.

impl DescriptorFlags for SegmentDescriptorFlags

fn system_type(&self) -> SystemDescriptorType

If this is a system descriptor, indicates which type.

fn application_accessed(&self) -> bool

The processor sets this bit whenever a segment register points to this segment.

fn code_readable(&self) -> bool

If this is a code descriptor, indicates that the segment can be read. Otherwise, it is execute-only.

fn data_writable(&self) -> bool

If this is a data descriptor, indicates that this segment is writable.

fn code_conforming(&self) -> bool

If this is a code descriptor, indicates that this segment can be executed with lower privileges than privilege_level.

fn data_expand_down(&self) -> bool

If this is a data descriptor, indicates that the segment expands toward lower addresses (stack-like) if its limit is changed.

fn is_code(&self) -> bool

Indicates whether this is a code (true) or data (false) descriptor.

fn is_application(&self) -> bool

S: Indicates that this is an application section descriptor if true. Otherwise, this is a system descriptor.

fn privilege_level(&self) -> u8

DPL: The privilege level associated with the segment.

fn present(&self) -> bool

P: Indicates that the segment is defined.

fn code_mode_64(&self) -> bool

Available on x86-64 only.

L: If this is a code segment, indicates that it should be executed in 64-bit mode.

fn application_mode_32(&self) -> bool

D/B: Indicates that the segment uses 32-bit mode. Otherwise, it is 16-bit, unless code_mode_64 is set.

fn set_system_type(&mut self, value: SystemDescriptorType)

If this is a system descriptor, indicates which type.

fn with_system_type(&self, value: SystemDescriptorType) -> Self

If this is a system descriptor, indicates which type.

fn set_application_accessed(&mut self, value: bool)

The processor sets this bit whenever a segment register points to this segment.

fn with_application_accessed(&mut self, value: bool) -> Self

The processor sets this bit whenever a segment register points to this segment.

fn set_code_readable(&mut self, value: bool)

If this is a code descriptor, indicates that the segment can be read. Otherwise, it is execute-only.

fn with_code_readable(&mut self, value: bool) -> Self

If this is a code descriptor, indicates that the segment can be read. Otherwise, it is execute-only.

fn set_data_writable(&mut self, value: bool)

If this is a data descriptor, indicates that this segment is writable.

fn with_data_writable(&mut self, value: bool) -> Self

If this is a data descriptor, indicates that this segment is writable.

fn set_code_conforming(&mut self, value: bool)

If this is a code descriptor, indicates that this segment can be executed with lower privileges than privilege_level.

fn with_code_conforming(&mut self, value: bool) -> Self

If this is a code descriptor, indicates that this segment can be executed with lower privileges than privilege_level.

fn set_data_expand_down(&mut self, value: bool)

If this is a data descriptor, indicates that the segment expands toward lower addresses (stack-like) if its limit is changed.

fn with_data_expand_down(&mut self, value: bool) -> Self

If this is a data descriptor, indicates that the segment expands toward lower addresses (stack-like) if its limit is changed.

fn set_is_code(&mut self, value: bool)

Indicates whether this is a code (true) or data (false) descriptor.

fn with_is_code(&mut self, value: bool) -> Self

Indicates whether this is a code (true) or data (false) descriptor.

fn set_is_application(&mut self, value: bool)

S: Indicates that this is an application section descriptor if true. Otherwise, this is a system descriptor.

fn with_is_application(&mut self, value: bool) -> Self

S: Indicates that this is an application section descriptor if true. Otherwise, this is a system descriptor.

fn set_privilege_level(&mut self, value: u8)

DPL: The privilege level associated with the segment.

fn with_privilege_level(&self, value: u8) -> Self

DPL: The privilege level associated with the segment.

fn set_present(&mut self, value: bool)

P: Indicates that the segment is defined.

fn with_present(&mut self, value: bool) -> Self

P: Indicates that the segment is defined.

fn set_code_mode_64(&mut self, value: bool)

Available on x86-64 only.

L: If this is a code segment, indicates that it should be executed in 64-bit mode.

fn with_code_mode_64(&mut self, value: bool) -> Self

Available on x86-64 only.

L: If this is a code segment, indicates that it should be executed in 64-bit mode.

fn set_application_mode_32(&mut self, value: bool)

D/B: Indicates that the segment uses 32-bit mode. Otherwise, it is 16-bit, unless code_mode_64 is set.

fn with_application_mode_32(&mut self, value: bool) -> Self

D/B: Indicates that the segment uses 32-bit mode. Otherwise, it is 16-bit, unless code_mode_64 is set.

fn fmt_fields(&self, f: &mut DebugStruct<'_, '_>)

Print this object’s bitfield values. Helper method for Debug implementations.

fn is_gate(&self) -> bool

Indicates that this is a GateDescriptor.

impl From<SegmentDescriptorFlags> for u32

fn from(val: SegmentDescriptorFlags) -> Self

Converts to this type from the input type.

impl From<u32> for SegmentDescriptorFlags

fn from(val: u32) -> Self

Converts to this type from the input type.

impl PartialEq<SegmentDescriptorFlags> for SegmentDescriptorFlags

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

This method tests for self and other values to be equal, and is used by ==.

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

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

impl Copy for SegmentDescriptorFlags

impl Eq for SegmentDescriptorFlags

impl StructuralEq for SegmentDescriptorFlags

impl StructuralPartialEq for SegmentDescriptorFlags