8e79f2ee9c
Based on Nekogram. Key additions: - Rebrand to FoxiGram (app name, APK name, applicationId com.foxigram.app) - Embedded Xray (VLESS+Reality) proxy client via JNI libxray.so - Bundled hidden one-tap proxies (LTE + WiFi), read-only in UI - Auto-restore proxy on restart, rebind to active network (LTE/WiFi) - Server credentials externalized to git-ignored XrayServers.java (+ template) - libxray Go source included; compiled .so, keystore, google-services.json ignored
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
// Copyright 2023 The BoringSSL Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal.h"
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// While Arm system registers are normally not available to userspace, FreeBSD
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// expects userspace to simply read them. It traps the reads and fills in CPU
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// capabilities.
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#if defined(OPENSSL_AARCH64) && !defined(OPENSSL_STATIC_ARMCAP) && \
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(defined(ANDROID_BAREMETAL) || defined(OPENSSL_FREEBSD)) && \
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!defined(OPENSSL_NO_ASM)
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#define ID_AA64PFR0_EL1_ADVSIMD 5
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#define ID_AA64ISAR0_EL1_AES 1
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#define ID_AA64ISAR0_EL1_SHA1 2
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#define ID_AA64ISAR0_EL1_SHA2 3
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#define NBITS_ID_FIELD 4
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#define READ_SYSREG(name) \
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({ \
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uint64_t _r; \
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__asm__("mrs %0, " name : "=r"(_r)); \
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_r; \
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})
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static unsigned get_id_field(uint64_t reg, unsigned field) {
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return (reg >> (field * NBITS_ID_FIELD)) & ((1 << NBITS_ID_FIELD) - 1);
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}
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static int get_signed_id_field(uint64_t reg, unsigned field) {
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unsigned value = get_id_field(reg, field);
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if (value & (1 << (NBITS_ID_FIELD - 1))) {
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return (int)(value | (UINT64_MAX << NBITS_ID_FIELD));
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} else {
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return (int)value;
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}
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}
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static uint32_t read_armcap(void) {
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uint32_t armcap = ARMV7_NEON;
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uint64_t id_aa64pfr0_el1 = READ_SYSREG("id_aa64pfr0_el1");
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if (get_signed_id_field(id_aa64pfr0_el1, ID_AA64PFR0_EL1_ADVSIMD) < 0) {
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// If AdvSIMD ("NEON") is missing, don't report other features either.
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// This matches OpenSSL.
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return 0;
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}
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uint64_t id_aa64isar0_el1 = READ_SYSREG("id_aa64isar0_el1");
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unsigned aes = get_id_field(id_aa64isar0_el1, ID_AA64ISAR0_EL1_AES);
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if (aes > 0) {
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armcap |= ARMV8_AES;
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}
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if (aes > 1) {
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armcap |= ARMV8_PMULL;
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}
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unsigned sha1 = get_id_field(id_aa64isar0_el1, ID_AA64ISAR0_EL1_SHA1);
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if (sha1 > 0) {
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armcap |= ARMV8_SHA1;
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}
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unsigned sha2 = get_id_field(id_aa64isar0_el1, ID_AA64ISAR0_EL1_SHA2);
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if (sha2 > 0) {
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armcap |= ARMV8_SHA256;
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}
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if (sha2 > 1) {
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armcap |= ARMV8_SHA512;
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}
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return armcap;
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}
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void OPENSSL_cpuid_setup(void) { OPENSSL_armcap_P |= read_armcap(); }
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#endif // OPENSSL_AARCH64 && !OPENSSL_STATIC_ARMCAP &&
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// (ANDROID_BAREMETAL || OPENSSL_FREEBSD)
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