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Kernel: Guard the IDT behind a mutex

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This commit is contained in:
apio 2022-11-01 12:34:15 +01:00
parent 21c5ef0822
commit 327fa0bd0c
1 changed files with 7 additions and 5 deletions
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12
moon/src/arch/x86_64/interrupts.rs
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@ -1,8 +1,9 @@
use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame, PageFaultErrorCode}; use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame, PageFaultErrorCode};
use crate::try_println; use crate::try_println;
use core::arch::asm; use core::arch::asm;
use spin::Mutex;
static mut IDT: InterruptDescriptorTable = InterruptDescriptorTable::new(); static IDT: Mutex<InterruptDescriptorTable> = Mutex::new(InterruptDescriptorTable::new());
extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame)
{ {
@ -20,11 +21,12 @@ extern "x86-interrupt" fn double_fault_handler(stack_frame: InterruptStackFrame,
pub fn load() pub fn load()
{ {
IDT.lock().breakpoint.set_handler_fn(breakpoint_handler);
IDT.lock().page_fault.set_handler_fn(page_fault_handler);
IDT.lock().double_fault.set_handler_fn(double_fault_handler);
unsafe { unsafe {
IDT.breakpoint.set_handler_fn(breakpoint_handler); IDT.lock().load_unsafe();
IDT.page_fault.set_handler_fn(page_fault_handler);
IDT.double_fault.set_handler_fn(double_fault_handler);
IDT.load();
} }
} }