Fix behaviour for Armv8 targets without Neon
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/aesce.h b/library/aesce.h
index 97e2424..2cec2f3 100644
--- a/library/aesce.h
+++ b/library/aesce.h
@@ -2,7 +2,7 @@
* \file aesce.h
*
* \brief Support hardware AES acceleration on Armv8-A processors with
- * the Armv8-A Cryptographic Extension in AArch64 execution state.
+ * the Armv8-A Cryptographic Extension.
*
* \warning These functions are only for internal use by other library
* functions; you must not call them directly.
@@ -31,7 +31,7 @@
#include "mbedtls/aes.h"
-#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_ARCH_IS_ARMV8)
+#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_ARCH_IS_ARMV8) && defined(__ARM_NEON)
#define MBEDTLS_AESCE_HAVE_CODE
@@ -128,6 +128,12 @@
}
#endif
-#endif /* MBEDTLS_AESCE_C && MBEDTLS_ARCH_IS_ARM64 */
+#else
+
+#if defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+#error "AES hardware acceleration not supported on this platform"
+#endif
+
+#endif /* MBEDTLS_AESCE_C && MBEDTLS_ARCH_IS_ARMV8 && __ARM_NEON */
#endif /* MBEDTLS_AESCE_H */