Diff: mbed/TARGET_NRF51822/nrf_svc.h

Revision:

0:637031152314

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/TARGET_NRF51822/nrf_svc.h	Sat Mar 07 16:23:41 2015 +0000
@@ -0,0 +1,33 @@
+#ifndef NRF_SVC__
+#define NRF_SVC__
+
+#ifdef SVCALL_AS_NORMAL_FUNCTION
+#define SVCALL(number, return_type, signature) return_type signature
+#else
+
+#ifndef SVCALL
+#if defined (__CC_ARM)
+#define SVCALL(number, return_type, signature) return_type __svc(number) signature
+#elif defined (__GNUC__)
+#define SVCALL(number, return_type, signature) \
+  _Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \
+  _Pragma("GCC diagnostic ignored \"-Wunused-function\"") \
+  __attribute__((naked)) static return_type signature \
+  { \
+    __asm( \
+        "svc %0\n" \
+        "bx r14" : : "I" (number) : "r0" \
+    ); \
+  }
+#elif defined (__ICCARM__)
+#define PRAGMA(x) _Pragma(#x)
+#define SVCALL(number, return_type, signature) \
+PRAGMA(swi_number = number) \
+ __swi return_type signature;
+#else
+#define SVCALL(number, return_type, signature) return_type signature  
+#endif
+#endif  // SVCALL
+
+#endif  // SVCALL_AS_NORMAL_FUNCTION
+#endif  // NRF_SVC__