always raw access

Author: burrbull

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+- Add `raw-access` options
 - Use marker struct instead of address in `Periph` with `PeripheralSpec` trait
 
 ## [v0.37.1] - 2025-10-17
@@ -973,7 +974,8 @@ peripheral.register.write(|w| w.field().set());
 
 - Initial version of the `svd2rust` tool
 
-[Unreleased]: https://github.com/rust-embedded/svd2rust/compare/v0.37.0...HEAD
+[Unreleased]: https://github.com/rust-embedded/svd2rust/compare/v0.37.1...HEAD
+[v0.37.1]: https://github.com/rust-embedded/svd2rust/compare/v0.37.0...v0.37.1
 [v0.37.0]: https://github.com/rust-embedded/svd2rust/compare/v0.36.1...v0.37.0
 [v0.36.1]: https://github.com/rust-embedded/svd2rust/compare/v0.36.0...v0.36.1
 [v0.36.0]: https://github.com/rust-embedded/svd2rust/compare/v0.35.0...v0.36.0

src/config.rs

@@ -41,6 +41,7 @@ pub struct Config {
     pub ident_formats_theme: Option<IdentFormatsTheme>,
     pub field_names_for_enums: bool,
     pub base_address_shift: u64,
+    pub raw_access: bool,
     /// Path to YAML file with chip-specific settings
     pub settings_file: Option<PathBuf>,
     /// Chip-specific settings

src/generate/device.rs

@@ -137,7 +137,11 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
     }
 
     let generic_file = include_str!("generic.rs");
-    let generic_reg_file = include_str!("generic_reg_vcell.rs");
+    let generic_reg_file = if config.raw_access {
+        include_str!("generic_reg_raw.rs")
+    } else {
+        include_str!("generic_reg_vcell.rs")
+    };
     let generic_atomic_file = include_str!("generic_atomic.rs");
     if config.generic_mod {
         let mut file = File::create(

src/generate/generic.rs

@@ -1,20 +1,5 @@
 use core::marker;
 
-/// Generic peripheral accessor
-pub struct Periph<PER: PeripheralSpec> {
-    _marker: marker::PhantomData<PER>,
-}
-
-/// Peripheral data
-pub trait PeripheralSpec {
-    /// RegisterBlock associated with peripheral
-    type RB;
-    /// Address of the register block
-    const ADDRESS: usize;
-    /// Debug name
-    const NAME: &'static str;
-}
-
 unsafe impl<PER: PeripheralSpec> Send for Periph<PER> {}
 
 impl<PER: PeripheralSpec> core::fmt::Debug for Periph<PER> {
@@ -32,34 +17,6 @@ impl<PER: PeripheralSpec> Periph<PER> {
     pub const fn ptr() -> *const PER::RB {
         Self::PTR
     }
-
-    /// Steal an instance of this peripheral
-    ///
-    /// # Safety
-    ///
-    /// Ensure that the new instance of the peripheral cannot be used in a way
-    /// that may race with any existing instances, for example by only
-    /// accessing read-only or write-only registers, or by consuming the
-    /// original peripheral and using critical sections to coordinate
-    /// access between multiple new instances.
-    ///
-    /// Additionally, other software such as HALs may rely on only one
-    /// peripheral instance existing to ensure memory safety; ensure
-    /// no stolen instances are passed to such software.
-    pub unsafe fn steal() -> Self {
-        Self {
-            _marker: marker::PhantomData,
-        }
-    }
-}
-
-impl<PER: PeripheralSpec> core::ops::Deref for Periph<PER> {
-    type Target = PER::RB;
-
-    #[inline(always)]
-    fn deref(&self) -> &Self::Target {
-        unsafe { &*Self::PTR }
-    }
 }
 
 /// Raw register type (`u8`, `u16`, `u32`, ...)