4lDO2
34 lines
781 B
Rust
34 lines
781 B
Rust
use core::mem;
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#[derive(Copy, Clone, Debug)]
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#[repr(C, packed)]
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pub struct Sdt {
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pub signature: [u8; 4],
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pub length: u32,
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pub revision: u8,
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pub checksum: u8,
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pub oem_id: [u8; 6],
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pub oem_table_id: [u8; 8],
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pub oem_revision: u32,
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pub creator_id: u32,
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pub creator_revision: u32,
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}
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impl Sdt {
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/// Get the address of this tables data
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pub fn data_address(&self) -> usize {
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self as *const _ as usize + mem::size_of::<Sdt>()
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}
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/// Get the length of this tables data
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pub fn data_len(&self) -> usize {
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let total_size = self.length as usize;
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let header_size = mem::size_of::<Sdt>();
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if total_size >= header_size {
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total_size - header_size
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} else {
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0
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}
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}
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}
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