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| author | Brad Smith <brad@comstyle.com> | 2022-07-15 22:44:03 -0400 |
|---|---|---|
| committer | Brad Smith <brad@comstyle.com> | 2022-07-15 22:44:03 -0400 |
| commit | a7516cb32f356ea18dca6889105a47fa9265905e (patch) | |
| tree | d51ca02fba4432d4e27d0e6f235501a22bea2643 | |
| parent | 6ddd649ae3e587cd4fd51852b5eacfa2294124b8 (diff) | |
| download | gnutls-a7516cb32f356ea18dca6889105a47fa9265905e.tar.gz | |
accelerated: aarch64: add OpenBSD/aarch64 support
Signed-off-by: Brad Smith <brad@comstyle.com>
| -rw-r--r-- | lib/accelerated/aarch64/aarch64-common.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/accelerated/aarch64/aarch64-common.c b/lib/accelerated/aarch64/aarch64-common.c index 82cd8715fe..cadb436bb7 100644 --- a/lib/accelerated/aarch64/aarch64-common.c +++ b/lib/accelerated/aarch64/aarch64-common.c @@ -41,6 +41,10 @@ # ifdef AT_HWCAP # define USE_AUXVAL # endif +#elif defined(__OpenBSD__) +# include <sys/sysctl.h> +# include <machine/cpu.h> +# include <machine/armreg.h> #endif #if defined(__GNUC__) @@ -94,6 +98,24 @@ static void discover_caps(unsigned int *caps) *caps |= ARMV8_SHA256; if (c & HWCAP_SHA512) *caps |= ARMV8_SHA512; +#elif defined(__OpenBSD__) && defined(CPU_ID_AA64ISAR0) + const int isar0_mib[] = { CTL_MACHDEP, CPU_ID_AA64ISAR0 }; + uint64_t isar0; + size_t len = sizeof(isar0); + + *caps |= ARMV7_NEON; + if (sysctl(isar0_mib, 2, &isar0, &len, NULL, 0) < 0) + return; + if (ID_AA64ISAR0_AES(isar0) >= ID_AA64ISAR0_AES_BASE) + *caps |= ARMV8_AES; + if (ID_AA64ISAR0_AES(isar0) >= ID_AA64ISAR0_AES_PMULL) + *caps |= ARMV8_PMULL; + if (ID_AA64ISAR0_SHA1(isar0) >= ID_AA64ISAR0_SHA1_BASE) + *caps |= ARMV8_SHA1; + if (ID_AA64ISAR0_SHA2(isar0) >= ID_AA64ISAR0_SHA2_BASE) + *caps |= ARMV8_SHA256; + if (ID_AA64ISAR0_SHA2(isar0) >= ID_AA64ISAR0_SHA2_512) + *caps |= ARMV8_SHA512; #endif } |