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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-aarch64-linux.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-aarch64-linux.c')
-rw-r--r--roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-aarch64-linux.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-aarch64-linux.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-aarch64-linux.c
new file mode 100644
index 000000000..1b0f39552
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-aarch64-linux.c
@@ -0,0 +1,61 @@
+/* Copyright (c) 2016, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/cpu.h>
+
+#if defined(OPENSSL_AARCH64) && !defined(OPENSSL_STATIC_ARMCAP)
+
+#include <sys/auxv.h>
+
+#include <openssl/arm_arch.h>
+
+#include "internal.h"
+
+
+extern uint32_t OPENSSL_armcap_P;
+
+void OPENSSL_cpuid_setup(void) {
+ unsigned long hwcap = getauxval(AT_HWCAP);
+
+ /* See /usr/include/asm/hwcap.h on an aarch64 installation for the source of
+ * these values. */
+ static const unsigned long kNEON = 1 << 1;
+ static const unsigned long kAES = 1 << 3;
+ static const unsigned long kPMULL = 1 << 4;
+ static const unsigned long kSHA1 = 1 << 5;
+ static const unsigned long kSHA256 = 1 << 6;
+
+ if ((hwcap & kNEON) == 0) {
+ /* Matching OpenSSL, if NEON is missing, don't report other features
+ * either. */
+ return;
+ }
+
+ OPENSSL_armcap_P |= ARMV7_NEON;
+
+ if (hwcap & kAES) {
+ OPENSSL_armcap_P |= ARMV8_AES;
+ }
+ if (hwcap & kPMULL) {
+ OPENSSL_armcap_P |= ARMV8_PMULL;
+ }
+ if (hwcap & kSHA1) {
+ OPENSSL_armcap_P |= ARMV8_SHA1;
+ }
+ if (hwcap & kSHA256) {
+ OPENSSL_armcap_P |= ARMV8_SHA256;
+ }
+}
+
+#endif /* OPENSSL_AARCH64 && !OPENSSL_STATIC_ARMCAP */