Remove static-mut warnings.

neotron-os/src/lib.rs

@@ -356,6 +356,8 @@ impl core::fmt::Write for Ctx {
 /// (as it doesn't know where they are).
 #[cfg(all(target_os = "none", not(feature = "lib-mode")))]
 unsafe fn start_up_init() {
+    use core::ptr::{addr_of, addr_of_mut};
+
     extern "C" {
 
         // These symbols come from `link.x`
@@ -367,8 +369,12 @@ unsafe fn start_up_init() {
         static __sidata: u32;
     }
 
-    r0::zero_bss(&mut __sbss, &mut __ebss);
-    r0::init_data(&mut __sdata, &mut __edata, &__sidata);
+    r0::zero_bss(addr_of_mut!(__sbss), addr_of_mut!(__ebss));
+    r0::init_data(
+        addr_of_mut!(__sdata),
+        addr_of_mut!(__edata),
+        addr_of!(__sidata),
+    );
 }
 
 #[cfg(any(not(target_os = "none"), feature = "lib-mode"))]

neotron-os/src/program.rs

@@ -181,7 +181,7 @@ impl TransientProgramArea {
         // points to, as the linker can only invent symbols pointing at
         // addresses; it cannot actually put values in RAM.
         #[cfg(all(target_os = "none", target_arch = "arm"))]
-        let official_tpa_start: Option<*mut u32> = Some((&mut _tpa_start) as *mut u32);
+        let official_tpa_start: Option<*mut u32> = Some(core::ptr::addr_of_mut!(_tpa_start));
 
         #[cfg(not(all(target_os = "none", target_arch = "arm")))]
         let official_tpa_start: Option<*mut u32> = None;