Add CI for FreeBSD (#1787)

### Description of changes: 
Add CI test for FreeBSD

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license and the ISC license.

.github/workflows/actions-ci.yml

@@ -445,7 +445,7 @@ jobs:
             cd $(pwd)
             export PATH="${HOME}/bin:${PATH}"
             env
-            tests/ci/run_openbsd_tests.sh ${{ matrix.args }}
+            tests/ci/run_bsd_tests.sh ${{ matrix.args }}
             EOF
   gcc-4_8:
     needs: [sanity-test-run]
@@ -490,3 +490,35 @@ jobs:
 #          echo ${env:SDEROOT}
 #          .\tests\ci\run_windows_tests.bat "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86 true
 #
+  freebsd-13:
+    if: github.repository_owner == 'aws'
+    needs: [sanity-test-run]
+    name: FreeBSD ${{ matrix.version }} test
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '13.3'
+          - '14.1'
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+      - name: Prepare VM
+        uses: cross-platform-actions/[email protected]
+        env:
+          AWS_LC_SSL_TEST_RUNNER_PEEK_ROUNDS: 5
+          AWS_LC_GO_TEST_TIMEOUT: 90m
+          GOFLAGS: "-buildvcs=false"
+        with:
+          environment_variables: 'AWS_LC_SSL_TEST_RUNNER_PEEK_ROUNDS AWS_LC_GO_TEST_TIMEOUT GOFLAGS'
+          operating_system: freebsd
+          architecture: x86-64
+          version: ${{ matrix.version }}
+          shell: bash
+          memory: 16G
+          cpu_count: 4
+          run: |
+            sudo pkg install -y git gmake cmake go ninja
+            tests/ci/run_bsd_tests.sh

.github/workflows/cross-test.yml

@@ -109,3 +109,4 @@ jobs:
         env:
           CFLAGS: "-Wno-string-compare"
         run: tests/ci/run_cross_tests.sh s390x s390x-ibm-linux-gnu "-DCMAKE_BUILD_TYPE=Release"
+

crypto/curve25519/internal.h

@@ -29,7 +29,7 @@ extern "C" {
 #if ((defined(OPENSSL_X86_64) && !defined(MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX)) || \
      defined(OPENSSL_AARCH64)) &&                                              \
     (defined(OPENSSL_LINUX) || defined(OPENSSL_APPLE) ||                       \
-     defined(OPENSSL_OPENBSD)) &&                                              \
+     defined(OPENSSL_OPENBSD) || defined(OPENSSL_FREEBSD)) &&                  \
     !defined(OPENSSL_NO_ASM)
 #define CURVE25519_S2N_BIGNUM_CAPABLE
 #endif

crypto/fipsmodule/bn/exponentiation.c

@@ -121,7 +121,7 @@
 
 #if !defined(OPENSSL_NO_ASM) &&                          \
     (defined(OPENSSL_LINUX) || defined(OPENSSL_APPLE) || \
-     defined(OPENSSL_OPENBSD)) &&                        \
+     defined(OPENSSL_OPENBSD) || defined(OPENSSL_FREEBSD)) &&                        \
     defined(OPENSSL_AARCH64)
 
 #include "../../../third_party/s2n-bignum/include/s2n-bignum_aws-lc.h"

crypto/fipsmodule/bn/montgomery.c

@@ -124,7 +124,7 @@
 
 #if !defined(OPENSSL_NO_ASM) &&                          \
     (defined(OPENSSL_LINUX) || defined(OPENSSL_APPLE) || \
-     defined(OPENSSL_OPENBSD)) &&                        \
+     defined(OPENSSL_OPENBSD) || defined(OPENSSL_FREEBSD)) &&                        \
     defined(OPENSSL_AARCH64) && defined(OPENSSL_BN_ASM_MONT)
 
 #include "../../../third_party/s2n-bignum/include/s2n-bignum_aws-lc.h"