Struct rstubs::arch::regs::Flags

#[repr(transparent)]
pub struct Flags(u32);

The RFLAGS register.

Tuple Fields

0: u32

Implementations

impl Flags

pub const fn new() -> Self

Creates a new default initialized bitfield.

pub const fn from_bits(bits: u32) -> Self

Convert from bits.

pub const fn into_bits(self) -> u32

Convert into bits.

const CARRY_BITS: usize = 1usize

const CARRY_OFFSET: usize = 0usize

pub const fn carry(&self) -> bool

Set by hardware if last arithmetic operation generated a carry out of the most-significant bit of the result.

Bits: 0..1

pub const fn with_carry(self, value: bool) -> Self

Set by hardware if last arithmetic operation generated a carry out of the most-significant bit of the result.

Bits: 0..1

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

Set by hardware if last arithmetic operation generated a carry out of the most-significant bit of the result.

Bits: 0..1

const PARITY_BITS: usize = 1usize

const PARITY_OFFSET: usize = 2usize

pub const fn parity(&self) -> bool

Set by hardware if last result has an even number of 1 bits (only for some operations).

Bits: 2..3

pub const fn with_parity(self, value: bool) -> Self

Set by hardware if last result has an even number of 1 bits (only for some operations).

Bits: 2..3

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

Set by hardware if last result has an even number of 1 bits (only for some operations).

Bits: 2..3

const AUXILIARY_CARRY_BITS: usize = 1usize

const AUXILIARY_CARRY_OFFSET: usize = 4usize

pub const fn auxiliary_carry(&self) -> bool

Set by hardware if last arithmetic operation generated a carry ouf of bit 3 of the result.

Bits: 4..5

pub const fn with_auxiliary_carry(self, value: bool) -> Self

Set by hardware if last arithmetic operation generated a carry ouf of bit 3 of the result.

Bits: 4..5

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

Set by hardware if last arithmetic operation generated a carry ouf of bit 3 of the result.

Bits: 4..5

const ZERO_BITS: usize = 1usize

const ZERO_OFFSET: usize = 6usize

pub const fn zero(&self) -> bool

Set by hardware if last arithmetic operation resulted in a zero value.

Bits: 6..7

pub const fn with_zero(self, value: bool) -> Self

Set by hardware if last arithmetic operation resulted in a zero value.

Bits: 6..7

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

Set by hardware if last arithmetic operation resulted in a zero value.

Bits: 6..7

const SIGN_BITS: usize = 1usize

const SIGN_OFFSET: usize = 7usize

pub const fn sign(&self) -> bool

Set by hardware if last arithmetic operation resulted in a negative value.

Bits: 7..8

pub const fn with_sign(self, value: bool) -> Self

Set by hardware if last arithmetic operation resulted in a negative value.

Bits: 7..8

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

Set by hardware if last arithmetic operation resulted in a negative value.

Bits: 7..8

const TRAP_BITS: usize = 1usize

const TRAP_OFFSET: usize = 8usize

pub const fn trap(&self) -> bool

Enable single-step mode for debugging.

Bits: 8..9

pub const fn with_trap(self, value: bool) -> Self

Enable single-step mode for debugging.

Bits: 8..9

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

Enable single-step mode for debugging.

Bits: 8..9

const INTERRUPT_BITS: usize = 1usize

const INTERRUPT_OFFSET: usize = 9usize

pub const fn interrupt(&self) -> bool

Enable interrupts.

Bits: 9..10

pub const fn with_interrupt(self, value: bool) -> Self

Enable interrupts.

Bits: 9..10

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

Enable interrupts.

Bits: 9..10

const DIRECTION_BITS: usize = 1usize

const DIRECTION_OFFSET: usize = 10usize

pub const fn direction(&self) -> bool

Determines the order in which strings are processed.

Bits: 10..11

pub const fn with_direction(self, value: bool) -> Self

Determines the order in which strings are processed.

Bits: 10..11

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

Determines the order in which strings are processed.

Bits: 10..11

const OVERFLOW_BITS: usize = 1usize

const OVERFLOW_OFFSET: usize = 11usize

pub const fn overflow(&self) -> bool

Set by hardware to indicate that the sign bit of the result of the last signed integer operation differs from the source operands.

Bits: 11..12

pub const fn with_overflow(self, value: bool) -> Self

Set by hardware to indicate that the sign bit of the result of the last signed integer operation differs from the source operands.

Bits: 11..12

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

Set by hardware to indicate that the sign bit of the result of the last signed integer operation differs from the source operands.

Bits: 11..12

const IOPL_LOW_BITS: usize = 1usize

const IOPL_LOW_OFFSET: usize = 12usize

pub const fn iopl_low(&self) -> bool

Specifies the privilege level required for executing I/O address-space instructions.

Bits: 12..13

pub const fn with_iopl_low(self, value: bool) -> Self

Specifies the privilege level required for executing I/O address-space instructions.

Bits: 12..13

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

Specifies the privilege level required for executing I/O address-space instructions.

Bits: 12..13

const IOPL_HIGH_BITS: usize = 1usize

const IOPL_HIGH_OFFSET: usize = 13usize

pub const fn iopl_high(&self) -> bool

Specifies the privilege level required for executing I/O address-space instructions.

Bits: 13..14

pub const fn with_iopl_high(self, value: bool) -> Self

Specifies the privilege level required for executing I/O address-space instructions.

Bits: 13..14

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

Specifies the privilege level required for executing I/O address-space instructions.

Bits: 13..14

const NESTED_TASK_BITS: usize = 1usize

const NESTED_TASK_OFFSET: usize = 14usize

pub const fn nested_task(&self) -> bool

Used by iret in hardware task switch mode to determine if current task is nested.

Bits: 14..15

pub const fn with_nested_task(self, value: bool) -> Self

Used by iret in hardware task switch mode to determine if current task is nested.

Bits: 14..15

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

Used by iret in hardware task switch mode to determine if current task is nested.

Bits: 14..15

const RESUME_BITS: usize = 1usize

const RESUME_OFFSET: usize = 16usize

pub const fn resume(&self) -> bool

Temporarily disables debug exceptions so that an instruction can be restarted after a debug exception without immediately causing another debug exception.

Bits: 16..17

pub const fn with_resume(self, value: bool) -> Self

Temporarily disables debug exceptions so that an instruction can be restarted after a debug exception without immediately causing another debug exception.

Bits: 16..17

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

Temporarily disables debug exceptions so that an instruction can be restarted after a debug exception without immediately causing another debug exception.

Bits: 16..17

const VIRTUAL_8086_MODE_BITS: usize = 1usize

const VIRTUAL_8086_MODE_OFFSET: usize = 17usize

pub const fn virtual_8086_mode(&self) -> bool

Enable the virtual-8086 mode.

Bits: 17..18

pub const fn with_virtual_8086_mode(self, value: bool) -> Self

Enable the virtual-8086 mode.

Bits: 17..18

pub fn set_virtual_8086_mode(&mut self, value: bool)

Enable the virtual-8086 mode.

Bits: 17..18

const ALIGNMENT_CHECK_BITS: usize = 1usize

const ALIGNMENT_CHECK_OFFSET: usize = 18usize

pub const fn alignment_check(&self) -> bool

Enable automatic alignment checking if Cr0::alignment_mask is set. Only works if CPL is 3.

Bits: 18..19

pub const fn with_alignment_check(self, value: bool) -> Self

Enable automatic alignment checking if Cr0::alignment_mask is set. Only works if CPL is 3.

Bits: 18..19

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

Enable automatic alignment checking if Cr0::alignment_mask is set. Only works if CPL is 3.

Bits: 18..19

const VIRTUAL_INTERRUPT_BITS: usize = 1usize

const VIRTUAL_INTERRUPT_OFFSET: usize = 19usize

pub const fn virtual_interrupt(&self) -> bool

Virtual interrupt flag.

Bits: 19..20

pub const fn with_virtual_interrupt(self, value: bool) -> Self

Virtual interrupt flag.

Bits: 19..20

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

Virtual interrupt flag.

Bits: 19..20

const VIRTUAL_INTERRUPT_PENDING_BITS: usize = 1usize

const VIRTUAL_INTERRUPT_PENDING_OFFSET: usize = 20usize

pub const fn virtual_interrupt_pending(&self) -> bool

Virtual interrupt pending.

Bits: 20..21

pub const fn with_virtual_interrupt_pending(self, value: bool) -> Self

Virtual interrupt pending.

Bits: 20..21

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

Virtual interrupt pending.

Bits: 20..21

const ID_BITS: usize = 1usize

const ID_OFFSET: usize = 21usize

pub const fn id(&self) -> bool

Able to use CPUID instruction.

Bits: 21..22

pub const fn with_id(self, value: bool) -> Self

Able to use CPUID instruction.

Bits: 21..22

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

Able to use CPUID instruction.

Bits: 21..22

impl Flags

pub fn read() -> Self

Trait Implementations

impl Clone for Flags

fn clone(&self) -> Flags

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Flags

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

Formats the value using the given formatter.

impl Default for Flags

fn default() -> Self

Returns the “default value” for a type.

impl From<Flags> for u32

fn from(v: Flags) -> u32

Converts to this type from the input type.

impl From<u32> for Flags

fn from(v: u32) -> Self

Converts to this type from the input type.

impl Copy for Flags