1 files changed, 67 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c
new file mode 100644
index 000000000..5d58b2d80
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2010-2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <setjmp.h>
+#include <signal.h>
+#include "internal/cryptlib.h"
+#include "s390x_arch.h"
+
+static sigjmp_buf ill_jmp;
+static void ill_handler(int sig)
+{
+    siglongjmp(ill_jmp, sig);
+}
+
+void OPENSSL_s390x_facilities(void);
+void OPENSSL_vx_probe(void);
+
+struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
+
+void OPENSSL_cpuid_setup(void)
+{
+    sigset_t oset;
+    struct sigaction ill_act, oact_ill, oact_fpe;
+
+    if (OPENSSL_s390xcap_P.stfle[0])
+        return;
+
+    /* set a bit that will not be tested later */
+    OPENSSL_s390xcap_P.stfle[0] |= S390X_CAPBIT(0);
+
+    memset(&ill_act, 0, sizeof(ill_act));
+    ill_act.sa_handler = ill_handler;
+    sigfillset(&ill_act.sa_mask);
+    sigdelset(&ill_act.sa_mask, SIGILL);
+    sigdelset(&ill_act.sa_mask, SIGFPE);
+    sigdelset(&ill_act.sa_mask, SIGTRAP);
+    sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
+    sigaction(SIGILL, &ill_act, &oact_ill);
+    sigaction(SIGFPE, &ill_act, &oact_fpe);
+
+    /* protection against missing store-facility-list-extended */
+    if (sigsetjmp(ill_jmp, 1) == 0)
+        OPENSSL_s390x_facilities();
+
+    /* protection against disabled vector facility */
+    if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX))
+        && (sigsetjmp(ill_jmp, 1) == 0)) {
+        OPENSSL_vx_probe();
+    } else {
+        OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
+                                         | S390X_CAPBIT(S390X_VXD)
+                                         | S390X_CAPBIT(S390X_VXE));
+    }
+
+    sigaction(SIGFPE, &oact_fpe, NULL);
+    sigaction(SIGILL, &oact_ill, NULL);
+    sigprocmask(SIG_SETMASK, &oset, NULL);
+}