32 lines
730 B
Rust
32 lines
730 B
Rust
#![allow(dead_code)]
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#![allow(unused_imports)]
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use flagset::flags;
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use talc::*;
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use spin;
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use core::alloc::{Allocator, Layout};
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static mut ARENA: [u8; 10000] = [0; 10000];
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#[global_allocator]
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static ALLOCATOR: Talck<spin::Mutex<()>, ClaimOnOom> = Talc::new(unsafe {
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// if we're in a hosted environment, the Rust runtime may allocate before
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// main() is called, so we need to initialize the arena automatically
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ClaimOnOom::new(Span::from_array(core::ptr::addr_of!(ARENA).cast_mut()))
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}).lock();
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pub struct MemoryRegion {
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start_address: usize,
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end_address: usize,
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flags: MemoryRegionFlags,
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}
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flags! {
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pub enum MemoryRegionFlags: u8 {
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READABLE,
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WRITABLE,
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EXECUTABLE,
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}
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} |