xnu-4570.1.46.tar.gz

[apple/xnu.git] / osfmk / corecrypto / ccsha2 / src / ccsha256_di.c

diff --git a/osfmk/corecrypto/ccsha2/src/ccsha256_di.c b/osfmk/corecrypto/ccsha2/src/ccsha256_di.c
new file mode 100644 (file)
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+++ b/osfmk/corecrypto/ccsha2/src/ccsha256_di.c
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+/*
+ *  ccsha256_di.c
+ *  corecrypto
+ *
+ *  Created on 09/18/2012
+ *
+ *  Copyright (c) 2012,2014,2015 Apple Inc. All rights reserved.
+ *
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#include <corecrypto/ccsha2.h>
+#include <corecrypto/cc_runtime_config.h>
+
+#include "corecrypto/fipspost_trace.h"
+
+const struct ccdigest_info *ccsha256_di(void)
+{
+    FIPSPOST_TRACE_EVENT;
+
+#if  CCSHA2_VNG_INTEL
+#if defined (__x86_64__)
+    return ( (CC_HAS_AVX2() ? &ccsha256_vng_intel_AVX2_di : 
+               ( (CC_HAS_AVX1() ? &ccsha256_vng_intel_AVX1_di : 
+                       &ccsha256_vng_intel_SupplementalSSE3_di ) ) ) ) ;
+#else
+    return &ccsha256_vng_intel_SupplementalSSE3_di;
+#endif
+#elif  CCSHA2_VNG_ARMV7NEON
+    return &ccsha256_vng_armv7neon_di;
+#elif CCSHA256_ARMV6M_ASM
+    return &ccsha256_v6m_di;
+#else
+    return &ccsha256_ltc_di;
+#endif
+}