Struct RsdpV2Tag

#[repr(C, align(8))]
pub struct RsdpV2Tag { /* private fields */ }

This tag contains a copy of RSDP as defined per ACPI 2.0 or later specification.

Implementations

impl RsdpV2Tag

pub const SIGNATURE: [u8; 8]

Signature of RSDP v2.

pub fn new( checksum: u8, oem_id: [u8; 6], revision: u8, rsdt_address: u32, length: u32, xsdt_address: u64, ext_checksum: u8, ) -> Self

Constructs a new tag.

pub const fn signature(&self) -> Result<&str, Utf8Error>

The “RSD PTR “ marker signature.

This is originally a 8-byte C string (not null terminated!) that must contain “RSD PTR “.

pub fn checksum_is_valid(&self) -> bool

Validation of the RSDPv2 extended checksum

pub const fn oem_id(&self) -> Result<&str, Utf8Error>

An OEM-supplied string that identifies the OEM.

pub const fn revision(&self) -> u8

The revision of the ACPI.

pub const fn xsdt_address(&self) -> usize

Physical address of the XSDT table.

On x86, this is truncated from 64-bit to 32-bit.

pub const fn ext_checksum(&self) -> u8

This field is used to calculate the checksum of the entire table, including both checksum fields.

Trait Implementations

impl Clone for RsdpV2Tag

fn clone(&self) -> RsdpV2Tag

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for RsdpV2Tag

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

Formats the value using the given formatter.

impl Hash for RsdpV2Tag

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given [Hasher].

impl MaybeDynSized for RsdpV2Tag

const BASE_SIZE: usize = 48usize

The true base size of the struct without any implicit or additional padding. Note that size_of::<T>() isn’t sufficient, as for example the type could have three u32 fields, which would add an implicit u32 padding. However, this constant must always fulfill BASE_SIZE >= size_of::<Self::Header>().

type Header = TagHeader

The associated Header of this tag.

fn dst_len(_: &TagHeader)

Returns the amount of items in the dynamically sized portion of the DST. Note that this is not the amount of bytes. So if the dynamically sized portion is 16 bytes in size and each element is 4 bytes big, then this function must return 4.

fn header(&self) -> &Self::Header

Returns the corresponding Header.

fn payload(&self) -> &[u8]

Returns the payload, i.e., all memory that is not occupied by the Header of the type.

fn as_bytes(&self) -> BytesRef<'_, Self::Header>

Returns the whole allocated bytes for this structure encapsulated in BytesRef. This includes padding bytes. To only get the “true” tag data, read the tag size from Self::header and create a sub slice.

fn as_ptr(&self) -> *const Self::Header

Returns a pointer to this structure.

impl Ord for RsdpV2Tag

fn cmp(&self, other: &RsdpV2Tag) -> Ordering

This method returns an [Ordering] between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for RsdpV2Tag

fn eq(&self, other: &RsdpV2Tag) -> 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 PartialOrd for RsdpV2Tag

fn partial_cmp(&self, other: &RsdpV2Tag) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Tag for RsdpV2Tag

const ID: TagType = TagType::AcpiV2

The ID of this tag. This should be unique across all implementors.

type IDType = TagType

The ID type that identifies the tag.

impl Copy for RsdpV2Tag

impl Eq for RsdpV2Tag

impl StructuralPartialEq for RsdpV2Tag