Jack Halford
14ff4db74a
boot ok vga ok console soon interrupt mapping ok isr triggers ok but doesn't iret still lots to port from rust
39 lines
656 B
Zig
39 lines
656 B
Zig
////
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// Load a new Task Register.
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//
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// Arguments:
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// desc: Segment selector of the TSS.
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//
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pub inline fn ltr(desc: u16) void {
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asm volatile ("ltr %[desc]"
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:
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: [desc] "r" (desc)
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);
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}
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////
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// Completely stop the computer.
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//
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pub inline fn hang() noreturn {
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asm volatile ("cli");
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while (true) {
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asm volatile ("hlt");
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}
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}
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pub inline fn sti() void {
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asm volatile ("sti");
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}
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////
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// Load a new Interrupt Descriptor Table.
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//
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// Arguments:
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// idtr: Address of the IDTR register.
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//
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pub inline fn lidt(idtr: usize) void {
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asm volatile ("lidt (%[idtr])"
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:
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: [idtr] "r" (idtr)
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);
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}
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