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Merged
merged 2 commits into from
Feb 3, 2025
Merged

Change to &raw #102

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8cf2418
Change to &raw
Riceman2000 Jan 28, 2025
20d9db5
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Riceman2000 Feb 3, 2025
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3 changes: 1 addition & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,6 @@ Starting with Rust 1.68, this crate can be used as a global allocator on stable

extern crate alloc;

use core::ptr::addr_of_mut;
use cortex_m_rt::entry;
use embedded_alloc::LlffHeap as Heap;

Expand All @@ -36,7 +35,7 @@ fn main() -> ! {
use core::mem::MaybeUninit;
const HEAP_SIZE: usize = 1024;
static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
unsafe { HEAP.init(addr_of_mut!(HEAP_MEM) as usize, HEAP_SIZE) }
unsafe { HEAP.init(&raw mut HEAP_MEM as usize, HEAP_SIZE) }
}

// now the allocator is ready types like Box, Vec can be used.
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3 changes: 1 addition & 2 deletions examples/allocator_api.rs
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Expand Up @@ -7,7 +7,6 @@ extern crate alloc;
use alloc::vec::Vec;
use core::mem::MaybeUninit;
use core::panic::PanicInfo;
use core::ptr::addr_of_mut;
use cortex_m_rt::entry;
use embedded_alloc::LlffHeap as Heap;

Expand All @@ -21,7 +20,7 @@ fn main() -> ! {
const HEAP_SIZE: usize = 16;
static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
let heap: Heap = Heap::empty();
unsafe { heap.init(addr_of_mut!(HEAP_MEM) as usize, HEAP_SIZE) }
unsafe { heap.init(&raw mut HEAP_MEM as usize, HEAP_SIZE) }

let mut xs = Vec::new_in(heap);
xs.push(1);
Expand Down
3 changes: 1 addition & 2 deletions examples/global_alloc.rs
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Expand Up @@ -5,7 +5,6 @@ extern crate alloc;

use alloc::vec::Vec;
use core::panic::PanicInfo;
use core::ptr::addr_of_mut;
use cortex_m_rt::entry;
// Linked-List First Fit Heap allocator (feature = "llff")
use embedded_alloc::LlffHeap as Heap;
Expand All @@ -22,7 +21,7 @@ fn main() -> ! {
use core::mem::MaybeUninit;
const HEAP_SIZE: usize = 1024;
static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
unsafe { HEAP.init(addr_of_mut!(HEAP_MEM) as usize, HEAP_SIZE) }
unsafe { HEAP.init(&raw mut HEAP_MEM as usize, HEAP_SIZE) }
}

let mut xs = Vec::new();
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7 changes: 3 additions & 4 deletions examples/llff_integration_test.rs
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Expand Up @@ -21,7 +21,6 @@ extern crate panic_semihosting;

use alloc::vec::Vec;
use core::mem::{size_of, MaybeUninit};
use core::ptr::addr_of_mut;
use cortex_m_rt::entry;
use cortex_m_semihosting::{debug, hprintln};
use embedded_alloc::LlffHeap as Heap;
Expand All @@ -46,9 +45,9 @@ fn test_global_heap() {
fn test_allocator_api() {
// small local heap
const HEAP_SIZE: usize = 16;
let heap_mem: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
let mut heap_mem: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
let local_heap: Heap = Heap::empty();
unsafe { local_heap.init(heap_mem.as_ptr() as usize, HEAP_SIZE) }
unsafe { local_heap.init(&raw mut heap_mem as usize, HEAP_SIZE) }

assert_eq!(local_heap.used(), 0);

Expand All @@ -67,7 +66,7 @@ fn main() -> ! {
{
const HEAP_SIZE: usize = 1024;
static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
unsafe { HEAP.init(addr_of_mut!(HEAP_MEM) as usize, HEAP_SIZE) }
unsafe { HEAP.init(&raw mut HEAP_MEM as usize, HEAP_SIZE) }
}

#[allow(clippy::type_complexity)]
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7 changes: 3 additions & 4 deletions examples/tlsf_integration_test.rs
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Expand Up @@ -21,7 +21,6 @@ extern crate panic_semihosting;

use alloc::collections::LinkedList;
use core::mem::MaybeUninit;
use core::ptr::addr_of_mut;
use cortex_m_rt::entry;
use cortex_m_semihosting::{debug, hprintln};
use embedded_alloc::TlsfHeap as Heap;
Expand Down Expand Up @@ -55,9 +54,9 @@ fn test_global_heap() {
fn test_allocator_api() {
// small local heap
const HEAP_SIZE: usize = 256;
let heap_mem: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
let mut heap_mem: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
let local_heap: Heap = Heap::empty();
unsafe { local_heap.init(heap_mem.as_ptr() as usize, HEAP_SIZE) }
unsafe { local_heap.init(heap_mem.as_mut_ptr() as usize, HEAP_SIZE) }

const ELEMS: usize = 2;

Expand All @@ -84,7 +83,7 @@ fn test_allocator_api() {
fn main() -> ! {
{
static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
unsafe { HEAP.init(addr_of_mut!(HEAP_MEM) as usize, HEAP_SIZE) }
unsafe { HEAP.init(&raw mut HEAP_MEM as usize, HEAP_SIZE) }
}

#[allow(clippy::type_complexity)]
Expand Down