openssl/crypto/loongarchcap.c

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/*
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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 "loongarch_arch.h"
unsigned int OPENSSL_loongarchcap_P = 0;
void OPENSSL_cpuid_setup(void)
{
unsigned int reg;
__asm__ volatile(
"cpucfg %0, %1 \n\t"
: "+&r"(reg)
: "r"(LOONGARCH_CFG2)
);
OPENSSL_loongarchcap_P = reg;
}