forked from AbleOS/ableos
16 lines
411 B
Rust
16 lines
411 B
Rust
use std::alloc::Layout;
|
|
|
|
const STACK_SIZE: usize = 2; // MiB
|
|
type Stack = [u8; 1024 * 1024 * STACK_SIZE];
|
|
|
|
/// Allocate stack of size [`STACK_SIZE`] MiB
|
|
pub unsafe fn alloc_stack() -> Box<Stack> {
|
|
let layout = Layout::new::<Stack>();
|
|
let ptr = unsafe { std::alloc::alloc(layout) };
|
|
if ptr.is_null() {
|
|
std::alloc::handle_alloc_error(layout);
|
|
}
|
|
|
|
unsafe { Box::from_raw(ptr.cast()) }
|
|
}
|