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pull from: michaelkuc6:post-06-stack-align
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1 Commits
post-11 ... post-06-st

Author SHA1 Message Date
Philipp Oppermann
e3e8a3e112 Align the double fault stack through a new wrapper type 2020-02-19 10:27:26 +01:00
1 changed files with 5 additions and 1 deletions
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6
src/gdt.rs
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@@ -10,7 +10,11 @@ lazy_static! {
let mut tss = TaskStateSegment::new(); let mut tss = TaskStateSegment::new();
tss.interrupt_stack_table[DOUBLE_FAULT_IST_INDEX as usize] = { tss.interrupt_stack_table[DOUBLE_FAULT_IST_INDEX as usize] = {
const STACK_SIZE: usize = 4096; const STACK_SIZE: usize = 4096;
static mut STACK: [u8; STACK_SIZE] = [0; STACK_SIZE];
#[repr(align(16))]
struct Stack([u8; STACK_SIZE]);
static mut STACK: Stack = Stack([0; STACK_SIZE]);
let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); let stack_start = VirtAddr::from_ptr(unsafe { &STACK });
let stack_end = stack_start + STACK_SIZE; let stack_end = stack_start + STACK_SIZE;