redox/kernel/arch/x86_64/tss.rs
2016-08-14 18:42:32 +02:00

23 lines
535 B
Rust

/// The Task State Segment.
#[repr(C, packed)]
#[derive(Debug, Default, Clone)]
pub struct Tss {
/// Reserved.
pub _reserved1: u32,
/// The stack-pointers (reg RSP) for the IO privilege level 0 through 2.
pub rsp: [u64; 3],
/// Reserved.
pub _reserved2: u32,
/// Reserved.
pub _reserved3: u32,
pub ist: [u64; 7],
/// Reserved.
pub _reserved4: u32,
/// Reserved.
pub _reserved5: u32,
// Reserved.
pub reserved6: u16,
/// The offset to the IOPB.
pub iomap_base: u16,
}