mirror of https://github.com/microsoft/vcpkg.git
43 lines
1.6 KiB
Diff
43 lines
1.6 KiB
Diff
diff --git a/crypto/arch/aarch64/crypto_cpu_caps_windows.c b/crypto/arch/aarch64/crypto_cpu_caps_windows.c
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new file mode 100644
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index 0000000..e7cdded
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--- /dev/null
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+++ b/crypto/arch/aarch64/crypto_cpu_caps_windows.c
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@@ -0,0 +1,36 @@
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+/* $OpenBSD: crypto_cpu_caps.c,v 1.2 2024/11/12 13:52:31 jsing Exp $ */
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+/*
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+ * Copyright (c) 2025 Brent Cook <bcook@openbsd.org>
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+ *
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+ * Permission to use, copy, modify, and distribute this software for any
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+ * purpose with or without fee is hereby granted, provided that the above
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+ * copyright notice and this permission notice appear in all copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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+ */
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+
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+#include <windows.h>
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+
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+#include "crypto_arch.h"
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+
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+/* Machine dependent CPU capabilities. */
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+uint64_t crypto_cpu_caps_aarch64;
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+
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+void
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+crypto_cpu_caps_init(void)
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+{
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+ crypto_cpu_caps_aarch64 = 0;
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+
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+ if (IsProcessorFeaturePresent(PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE)) {
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+ crypto_cpu_caps_aarch64 |= CRYPTO_CPU_CAPS_AARCH64_AES;
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+ crypto_cpu_caps_aarch64 |= CRYPTO_CPU_CAPS_AARCH64_PMULL;
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+ crypto_cpu_caps_aarch64 |= CRYPTO_CPU_CAPS_AARCH64_SHA1;
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+ crypto_cpu_caps_aarch64 |= CRYPTO_CPU_CAPS_AARCH64_SHA2;
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+ }
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+}
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