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CHANGELOG.md

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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

Fixed

  • Fix panic in tlsf::Heap::used.
  • Fix panic in tlsf::Heap::free in case the value returned from insert_free_block_ptr does not cover the full memory range passed in.

v0.7.0 - 2026-01-03

Added

  • Added a init macro to make initialization easier.
  • Added Heap::free and Heap::used for the TLSF heap.

Changed

  • The Heap::init methods now panic if they're called more than once or with size == 0.

v0.6.0 - 2024-09-01

Added

  • Added a Two-Level Segregated Fit heap with the tlsf feature.

Changed

  • The Heap struct has been renamed to LlffHeap and requires the llff feature.
  • Updated the rust edition from 2018 to 2021.

v0.5.1 - 2023-11-04

Added

  • Implemented Allocator for Heap with the allocator_api crate feature. This feature requires a nightly toolchain for the unstable allocator_api compiler feature.

Changed

  • Updated linked_list_allocator dependency to 0.10.5, which allows compiling with stable rust.

v0.5.0 - 2022-12-06

Changed

  • Renamed crate from alloc-cortex-m to embedded-alloc.
  • Renamed CortexMHeap to Heap.
  • Use critical-section to lock the heap, instead of cortex_m::interrupt::free(). This allows using this crate on non-Cortex-M systems, or on Cortex-M systems that require a custom critical section implementation.

v0.4.3 - 2022-11-03

Changed

  • Updated linked_list_allocator dependency to 0.10.4, which fixes CVE-2022-36086/RUSTSEC-2022-0063.

v0.4.2 - 2022-01-04

Changed

  • Updated cortex-m dependency to 0.7.2.

v0.4.1 - 2021-01-02

Added

  • const_mut_refs feature to the dependency linked_list_allocator crate.

Changed

  • Bumped the dependency of the linked_list_allocator crate to v0.8.11.

v0.4.0 - 2020-06-05

  • Bumped the cortex-m dependency to v0.6.2.
  • Bumped the dependency of the linked_list_allocator crate to v0.8.1.
  • Removed #![feature(alloc)] to supress compiler warning about stability for alloc.

v0.3.5 - 2018-06-19

Fixed

  • To work with recent nightly

v0.3.4 - 2018-05-12

Changed

  • Update the example in the crate level documentation to show how to define the new oom lang item.

v0.3.3 - 2018-04-23

  • Bumped the dependency of the linked_list_allocator crate to v0.6.0.

v0.3.2 - 2018-02-26

Changed

  • Bumped the dependency of the linked_list_allocator crate to v0.5.0.

v0.3.1 - 2017-10-07

Fixed

  • The example in the documentation.

v0.3.0 - 2017-10-07

Changed

  • [breaking-change] Switched to the new allocator system. See documentation for details.

v0.2.2 - 2017-04-29

Added

  • a __rust_allocate_zeroed symbol as it's needed on recent nightlies.

v0.2.1 - 2016-11-27

Fixed

  • The heap size is end_addr - start_addr. Previously, it was wrongly calculated as end_addr - start_addr - 1.

v0.2.0 - 2016-11-19

Changed

  • [breaking-change] Hid the HEAP variable. We now only expose an init function to initialize the allocator.

v0.1.0 - 2016-11-19

Added

  • Initial version of the allocator