From b86e8e7e9c4d4191d556a52fbd2c3e614ddb246e Mon Sep 17 00:00:00 2001 From: Peter Jones Date: Mon, 8 Oct 2018 13:31:30 -0400 Subject: Add CryptoPkg/Library/BaseCryptLib/ and CryptoPkg/Library/OpensslLib/ --- .../Library/OpensslLib/openssl/crypto/s390xcap.c | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c (limited to 'CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c') diff --git a/CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c b/CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c new file mode 100644 index 00000000..272c5517 --- /dev/null +++ b/CryptoPkg/Library/OpensslLib/openssl/crypto/s390xcap.c @@ -0,0 +1,50 @@ +/* + * Copyright 2010-2016 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 +#include +#include +#include +#include + +unsigned long long OPENSSL_s390xcap_P[10]; + +static sigjmp_buf ill_jmp; +static void ill_handler(int sig) +{ + siglongjmp(ill_jmp, sig); +} + +unsigned long OPENSSL_s390x_facilities(void); + +void OPENSSL_cpuid_setup(void) +{ + sigset_t oset; + struct sigaction ill_act, oact; + + if (OPENSSL_s390xcap_P[0]) + return; + + OPENSSL_s390xcap_P[0] = 1UL << (8 * sizeof(unsigned long) - 1); + + 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, SIGTRAP); + sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset); + sigaction(SIGILL, &ill_act, &oact); + + /* protection against missing store-facility-list-extended */ + if (sigsetjmp(ill_jmp, 1) == 0) + OPENSSL_s390x_facilities(); + + sigaction(SIGILL, &oact, NULL); + sigprocmask(SIG_SETMASK, &oset, NULL); +} -- cgit v1.2.3