Add cpu_aarch64_netbsd

Author: justsmth

.github/workflows/cross-test.yml

@@ -152,7 +152,10 @@ jobs:
       with:
         release: "10.1"
         arch: ${{ matrix.arch }}
-        envs: 'MYTOKEN MYTOKEN2'
+        nat: |
+          "8080": "80"
+          "8443": "443"
+          udp:"8081": "80"
         usesh: true
         run: |
           /usr/sbin/pkg_add cmake

crypto/fipsmodule/bcm.c

@@ -78,6 +78,7 @@
 #include "cpucap/cpu_aarch64_apple.c"
 #include "cpucap/cpu_aarch64_freebsd.c"
 #include "cpucap/cpu_aarch64_linux.c"
+#include "cpucap/cpu_aarch64_netbsd.c"
 #include "cpucap/cpu_aarch64_openbsd.c"
 #include "cpucap/cpu_aarch64_win.c"
 #include "cpucap/cpu_arm_freebsd.c"

crypto/fipsmodule/cpucap/cpu_aarch64_netbsd.c

@@ -0,0 +1,53 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0 OR ISC
+
+#include <openssl/cpu.h>
+
+#if defined(OPENSSL_AARCH64) && defined(OPENSSL_NETBSD) && \
+    !defined(OPENSSL_STATIC_ARMCAP)
+
+#include <aarch64/armreg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+
+#include <openssl/arm_arch.h>
+
+#include "internal.h"
+
+void OPENSSL_cpuid_setup(void) {
+  // Use sysctl to read ID_AA64ISAR0_EL1 register
+  size_t len = sizeof(uint64_t);
+  uint64_t id_aa64isar0 = 0;
+
+  // Try to read the aarch64 instruction set attribute register
+  if (sysctlbyname("machdep.id_aa64isar0", &id_aa64isar0, &len, NULL, 0) < 0) {
+    return;
+  }
+
+  OPENSSL_armcap_P |= ARMV7_NEON; // NEON is baseline on AArch64
+
+  if (ID_AA64ISAR0_EL1_AES(id_aa64isar0) >= ID_AA64ISAR0_EL1_AES_AES) {
+    OPENSSL_armcap_P |= ARMV8_AES;
+  }
+
+  if (ID_AA64ISAR0_EL1_AES(id_aa64isar0) >= ID_AA64ISAR0_EL1_AES_PMUL) {
+    OPENSSL_armcap_P |= ARMV8_PMULL;
+  }
+
+  if (ID_AA64ISAR0_EL1_SHA1(id_aa64isar0) >= ID_AA64ISAR0_EL1_SHA1_SHA1) {
+    OPENSSL_armcap_P |= ARMV8_SHA1;
+  }
+
+  if (ID_AA64ISAR0_EL1_SHA2(id_aa64isar0) >= ID_AA64ISAR0_EL1_SHA2_SHA256) {
+    OPENSSL_armcap_P |= ARMV8_SHA256;
+  }
+
+  if (ID_AA64ISAR0_EL1_SHA2(id_aa64isar0) >= ID_AA64ISAR0_EL1_SHA2_SHA512) {
+    OPENSSL_armcap_P |= ARMV8_SHA512;
+  }
+}
+
+#endif  // OPENSSL_AARCH64 && OPENSSL_NETBSD && !OPENSSL_STATIC_ARMCAP