remove build dependency on arm-none-eabi-gcc

by shipping pre-assembled object files. This is the same approach as the one
used in rust-embedded/cortex-m#95

2 files changed, 33 insertions, 9 deletions

diff --git a/src/register/basepri.rs b/src/register/basepri.rs
index c9f09cc..a9cd6ef 100644
--- a/src/register/basepri.rs
+++ b/src/register/basepri.rs
@@ -45,13 +45,24 @@ pub unsafe fn write(_basepri: u8) {
         },
 
         #[cfg(all(cortex_m, not(feature = "inline-asm")))]
-        () => {
-            extern "C" {
-                fn __basepri_w(_: u8);
+        () => match () {
+            #[cfg(not(feature = "cm7-r0p1"))]
+            () => {
+                extern "C" {
+                    fn __basepri_w(_: u8);
+                }
+
+                __basepri_w(_basepri);
             }
+            #[cfg(feature = "cm7-r0p1")]
+            () => {
+                extern "C" {
+                    fn __basepri_w_cm7_r0p1(_: u8);
+                }
 
-            __basepri_w(_basepri);
-        }
+                __basepri_w_cm7_r0p1(_basepri);
+            }
+        },
 
         #[cfg(not(cortex_m))]
         () => unimplemented!(),
diff --git a/src/register/basepri_max.rs b/src/register/basepri_max.rs
index 91698b6..59ddb44 100644
--- a/src/register/basepri_max.rs
+++ b/src/register/basepri_max.rs
@@ -24,11 +24,24 @@ pub fn write(_basepri: u8) {
 
         #[cfg(all(cortex_m, not(feature = "inline-asm")))]
         () => unsafe {
-            extern "C" {
-                fn __basepri_max(_: u8);
-            }
+            match () {
+                #[cfg(not(feature = "cm7-r0p1"))]
+                () => {
+                    extern "C" {
+                        fn __basepri_max(_: u8);
+                    }
 
-            __basepri_max(_basepri)
+                    __basepri_max(_basepri)
+                }
+                #[cfg(feature = "cm7-r0p1")]
+                () => {
+                    extern "C" {
+                        fn __basepri_max_cm7_r0p1(_: u8);
+                    }
+
+                    __basepri_max_cm7_r0p1(_basepri)
+                }
+            }
         },
 
         #[cfg(not(cortex_m))]