Merge pull request #820 from rust-embedded/core-ptr

use core::ptr::from_ref

Author: burrbull

.github/workflows/ci.yml

@@ -84,7 +84,7 @@ jobs:
           - { rust: stable, vendor: Toshiba, options: all }
           - { rust: stable, vendor: Toshiba, options: "" }
           # Test MSRV
-          - { rust: 1.74.0, vendor: Nordic, options: "" }
+          - { rust: 1.76.0, vendor: Nordic, options: "" }
           # Use nightly for architectures which don't support stable
           - { rust: nightly, vendor: MSP430, options: "--atomics" }
           - { rust: nightly, vendor: MSP430, options: "" }

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+- Bump MSRV of generated code to 1.76
 - move `must_use` from methods to generic type
 
 ## [v0.33.5] - 2024-10-12
@@ -907,9 +908,7 @@ peripheral.register.write(|w| w.field().set());
 
 - Initial version of the `svd2rust` tool
 
-[Unreleased]: https://github.com/rust-embedded/svd2rust/compare/v0.33.5...HEAD
-[v0.33.5]: https://github.com/rust-embedded/svd2rust/compare/v0.33.4...v0.33.5
-[v0.33.4]: https://github.com/rust-embedded/svd2rust/compare/v0.33.3...v0.33.4
+[Unreleased]: https://github.com/rust-embedded/svd2rust/compare/v0.33.3...HEAD
 [v0.33.3]: https://github.com/rust-embedded/svd2rust/compare/v0.33.2...v0.33.3
 [v0.33.2]: https://github.com/rust-embedded/svd2rust/compare/v0.33.1...v0.33.2
 [v0.33.1]: https://github.com/rust-embedded/svd2rust/compare/v0.33.0...v0.33.1

README.md

@@ -17,9 +17,9 @@ This project is developed and maintained by the [Tools team][team].
 
 ## Minimum Supported Rust Version (MSRV)
 
-The **generated code** is guaranteed to compile on stable Rust 1.65.0 and up.
+The **generated code** is guaranteed to compile on stable Rust 1.76.0 and up.
 
-If you encounter compilation errors on any stable version newer than 1.65.0, please open an issue.
+If you encounter compilation errors on any stable version newer than 1.76.0, please open an issue.
 
 # Testing Locally
 

src/generate/generic_atomic.rs

@@ -39,7 +39,7 @@ mod atomic {
 
     impl<REG: Readable + Writable> Reg<REG>
     where
-        REG::Ux: AtomicOperations + Default + core::ops::Not<Output = REG::Ux>,
+        REG::Ux: AtomicOperations
     {
         /// Set high every bit in the register that was set in the write proxy. Leave other bits
         /// untouched. The write is done in a single atomic instruction.

src/generate/peripheral/accessor.rs

@@ -55,7 +55,7 @@ impl ToTokens for AccessType {
                     #[doc = #doc]
                     #[inline(always)]
                     pub const fn #name(&self) -> &#ty {
-                        unsafe { &*(self as *const Self).cast::<u8>().add(#offset).cast() }
+                        unsafe { &*core::ptr::from_ref(self).cast::<u8>().add(#offset).cast() }
                     }
                 }
             }
@@ -84,7 +84,7 @@ impl ToTokens for AccessType {
                 increment,
             })) => {
                 let name_iter = Ident::new(&format!("{name}_iter"), Span::call_site());
-                let cast = quote! { unsafe { &*(self as *const Self).cast::<u8>().add(#offset).add(#increment * n).cast() } };
+                let cast = quote! { unsafe { &*core::ptr::from_ref(self).cast::<u8>().add(#offset).add(#increment * n).cast() } };
                 quote! {
                     #[doc = #doc]
                     #[inline(always)]