make steal const and not take

Author: xoviat

cortex-m/src/peripheral/mod.rs

@@ -168,60 +168,65 @@ impl Peripherals {
         })
     }
 
+    /// Steal the peripherals without marking them as taken.
+    pub const unsafe fn const_steal() -> Self {
+        Peripherals {
+            #[cfg(feature = "cm7")]
+            AC: AC {
+                _marker: PhantomData,
+            },
+            CBP: CBP {
+                _marker: PhantomData,
+            },
+            CPUID: CPUID {
+                _marker: PhantomData,
+            },
+            DCB: DCB {
+                _marker: PhantomData,
+            },
+            DWT: DWT {
+                _marker: PhantomData,
+            },
+            FPB: FPB {
+                _marker: PhantomData,
+            },
+            FPU: FPU {
+                _marker: PhantomData,
+            },
+            ICB: ICB {
+                _marker: PhantomData,
+            },
+            ITM: ITM {
+                _marker: PhantomData,
+            },
+            MPU: MPU {
+                _marker: PhantomData,
+            },
+            NVIC: NVIC {
+                _marker: PhantomData,
+            },
+            SAU: SAU {
+                _marker: PhantomData,
+            },
+            SCB: SCB {
+                _marker: PhantomData,
+            },
+            SYST: SYST {
+                _marker: PhantomData,
+            },
+            TPIU: TPIU {
+                _marker: PhantomData,
+            },
+        }
+    }
+
     /// Unchecked version of `Peripherals::take`
     #[inline]
     pub unsafe fn steal() -> Self {
         unsafe {
             TAKEN = true;
 
-            Peripherals {
-                #[cfg(feature = "cm7")]
-                AC: AC {
-                    _marker: PhantomData,
-                },
-                CBP: CBP {
-                    _marker: PhantomData,
-                },
-                CPUID: CPUID {
-                    _marker: PhantomData,
-                },
-                DCB: DCB {
-                    _marker: PhantomData,
-                },
-                DWT: DWT {
-                    _marker: PhantomData,
-                },
-                FPB: FPB {
-                    _marker: PhantomData,
-                },
-                FPU: FPU {
-                    _marker: PhantomData,
-                },
-                ICB: ICB {
-                    _marker: PhantomData,
-                },
-                ITM: ITM {
-                    _marker: PhantomData,
-                },
-                MPU: MPU {
-                    _marker: PhantomData,
-                },
-                NVIC: NVIC {
-                    _marker: PhantomData,
-                },
-                SAU: SAU {
-                    _marker: PhantomData,
-                },
-                SCB: SCB {
-                    _marker: PhantomData,
-                },
-                SYST: SYST {
-                    _marker: PhantomData,
-                },
-                TPIU: TPIU {
-                    _marker: PhantomData,
-                },
-            }
+            Self::const_steal()
         }
     }
 }