1 files changed, 0 insertions, 97 deletions

diff --git a/src/lib/libcrypto/arch/aarch64/crypto_cpu_caps.c b/src/lib/libcrypto/arch/aarch64/crypto_cpu_caps.c
deleted file mode 100644
index b31a50ef75..0000000000
--- a/src/lib/libcrypto/arch/aarch64/crypto_cpu_caps.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* $OpenBSD: crypto_cpu_caps.c,v 1.2 2024/11/12 13:52:31 jsing Exp $ */
-/*
- * Copyright (c) 2023 Joel Sing <jsing@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/types.h>
-#include <sys/sysctl.h>
-
-#include <machine/cpu.h>
-
-#include <stddef.h>
-#include <stdio.h>
-
-#include "crypto_arch.h"
-
-/* Machine dependent CPU capabilities. */
-uint64_t crypto_cpu_caps_aarch64;
-
-static inline uint64_t
-extract_bits(uint64_t val, int start, int end)
-{
-        return (val >> end) & (1ULL << (1 + start - end)) - 1;
-}
-
-static uint64_t
-parse_isar0(uint64_t isar0)
-{
-        uint64_t caps = 0;
-        uint64_t feature;
-
-        /* AES - bits [7:4] */
-        feature = extract_bits(isar0, 7, 4);
-        if (feature >= 1)
-                caps |= CRYPTO_CPU_CAPS_AARCH64_AES;
-        if (feature >= 2)
-                caps |= CRYPTO_CPU_CAPS_AARCH64_PMULL;
-
-        /* SHA1 - bits [11:8] */
-        feature = extract_bits(isar0, 11, 8);
-        if (feature >= 1)
-                caps |= CRYPTO_CPU_CAPS_AARCH64_SHA1;
-
-        /* SHA2 - bits [15:12] */
-        feature = extract_bits(isar0, 15, 12);
-        if (feature >= 1)
-                caps |= CRYPTO_CPU_CAPS_AARCH64_SHA2;
-        if (feature >= 2)
-                caps |= CRYPTO_CPU_CAPS_AARCH64_SHA512;
-
-        /* SHA3 - bits [35:32] */
-        feature = extract_bits(isar0, 35, 32);
-        if (feature >= 1)
-                caps |= CRYPTO_CPU_CAPS_AARCH64_SHA3;
-
-        return caps;
-}
-
-static int
-read_isar0(uint64_t *isar0)
-{
-        uint64_t isar;
-        int mib[2];
-        size_t len;
-
-        mib[0] = CTL_MACHDEP;
-        mib[1] = CPU_ID_AA64ISAR0;
-        len = sizeof(isar);
-        if (sysctl(mib, 2, &isar, &len, NULL, 0) == -1)
-                return 0;
-
-        *isar0 = isar;
-
-        return 1;
-}
-
-void
-crypto_cpu_caps_init(void)
-{
-        uint64_t isar = 0;
-
-        if (!read_isar0(&isar))
-                return;
-
-        crypto_cpu_caps_aarch64 = parse_isar0(isar);
-}