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Create TSS and GDT modules and use a double fault stack

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Philipp Oppermann
2016-11-28 10:13:27 +01:00
parent b4bc47d5d9
commit 5f8de6e871
8 changed files with 320 additions and 17 deletions
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13
src/lib.rs
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@@ -13,6 +13,8 @@
#![feature(asm)]
#![feature(naked_functions)]
#![feature(core_intrinsics)]
#![feature(nonzero)]
#![feature(drop_types_in_const)]
#![no_std]
extern crate rlibc;
@@ -51,10 +53,15 @@ pub extern "C" fn rust_main(multiboot_information_address: usize) {
enable_write_protect_bit();
// set up guard page and map the heap pages
memory::init(boot_info);
let mut memory_controller = memory::init(boot_info);
// initialize our IDT
interrupts::init();
let double_fault_stack = memory_controller.alloc_stack(1)
.expect("could not allocate double fault stack");
interrupts::init(double_fault_stack);
unsafe { int!(3) };
stack_overflow();
// trigger a debug exception
@@ -69,7 +76,7 @@ pub extern "C" fn rust_main(multiboot_information_address: usize) {
}
fn stack_overflow() {
let _large_array = [1; 100000];
stack_overflow();
}
int_overflow();