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Merge pull request #8566 from kareem-wolfssl/zd19572

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Only perform ARM assembly CPUID checks if support was enabled at build time.
This commit is contained in:
Sean Parkinson
2025-03-18 09:03:36 +10:00
committed by GitHub
parent 4e60e9fbed 6c472496b4
commit db3ab5a4c7
1 changed files with 12 additions and 0 deletions
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12
wolfcrypt/src/cpuid.c
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@ -163,22 +163,34 @@
if (!cpuid_check) { if (!cpuid_check) {
word64 hwcaps = getauxval(AT_HWCAP); word64 hwcaps = getauxval(AT_HWCAP);
#ifndef WOLFSSL_ARMASM_NO_HW_CRYPTO
if (hwcaps & HWCAP_AES) if (hwcaps & HWCAP_AES)
cpuid_flags |= CPUID_AES; cpuid_flags |= CPUID_AES;
if (hwcaps & HWCAP_PMULL) if (hwcaps & HWCAP_PMULL)
cpuid_flags |= CPUID_PMULL; cpuid_flags |= CPUID_PMULL;
if (hwcaps & HWCAP_SHA2) if (hwcaps & HWCAP_SHA2)
cpuid_flags |= CPUID_SHA256; cpuid_flags |= CPUID_SHA256;
#endif
#ifdef WOLFSSL_ARMASM_CRYPTO_SHA512
if (hwcaps & HWCAP_SHA512) if (hwcaps & HWCAP_SHA512)
cpuid_flags |= CPUID_SHA512; cpuid_flags |= CPUID_SHA512;
#endif
#ifndef WOLFSSL_AARCH64_NO_SQRDMLSH
if (hwcaps & HWCAP_ASIMDRDM) if (hwcaps & HWCAP_ASIMDRDM)
cpuid_flags |= CPUID_RDM; cpuid_flags |= CPUID_RDM;
#endif
#ifdef WOLFSSL_ARMASM_CRYPTO_SHA3
if (hwcaps & HWCAP_SHA3) if (hwcaps & HWCAP_SHA3)
cpuid_flags |= CPUID_SHA3; cpuid_flags |= CPUID_SHA3;
#endif
#ifdef WOLFSSL_ARMASM_CRYPTO_SM3
if (hwcaps & HWCAP_SM3) if (hwcaps & HWCAP_SM3)
cpuid_flags |= CPUID_SM3; cpuid_flags |= CPUID_SM3;
#endif
#ifdef WOLFSSL_ARMASM_CRYPTO_SM4
if (hwcaps & HWCAP_SM4) if (hwcaps & HWCAP_SM4)
cpuid_flags |= CPUID_SM4; cpuid_flags |= CPUID_SM4;
#endif
cpuid_check = 1; cpuid_check = 1;
} }