x86 0.0.8

Library to program x86 (amd64) hardware. Contains x86 specific data structure descriptions, as well as convenience function to call assembly instructions typically not exposed in higher level languages.
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/// Functions and data-structures to load descriptor tables.

/// A struct describing a pointer to a descriptor table (GDT / IDT).
/// This is in a format suitable for giving to 'lgdt' or 'lidt'.
#[derive(Debug)]
#[repr(C, packed)]
pub struct DescriptorTablePointer {
   /// Size of the DT.
   pub limit: u16,
   /// Pointer to the memory region containing the DT.
   pub base: u64
}

/// Load GDT table.
pub unsafe fn lgdt(gdt: &DescriptorTablePointer) {
    asm!("lgdt ($0)" :: "r" (gdt));
}

/// Load LDT table.
pub unsafe fn lldt(ldt: &DescriptorTablePointer) {
    asm!("lldt ($0)" :: "r" (ldt));
}

/// Load IDT table.
pub unsafe fn lidt(idt: &DescriptorTablePointer) {
    asm!("lidt ($0)" :: "r" (idt));
}