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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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namespace ams::nsd::impl::device {
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namespace {
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constexpr const char SettingsName[] = "nsd";
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constexpr const char SettingsKey[] = "environment_identifier";
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constinit os::SdkMutex g_environment_identifier_lock;
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constinit EnvironmentIdentifier g_environment_identifier = {};
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constinit bool g_determined_environment_identifier = false;
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}
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const EnvironmentIdentifier &GetEnvironmentIdentifierFromSettings() {
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if (AMS_UNLIKELY(!g_determined_environment_identifier)) {
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std::scoped_lock lk(g_environment_identifier_lock);
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if (AMS_LIKELY(!g_determined_environment_identifier)) {
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/* Check size. */
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AMS_ABORT_UNLESS(settings::fwdbg::GetSettingsItemValueSize(SettingsName, SettingsKey) != 0);
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/* Get value. */
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const size_t size = settings::fwdbg::GetSettingsItemValue(g_environment_identifier.value, EnvironmentIdentifier::Size, SettingsName, SettingsKey);
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AMS_ABORT_UNLESS(size < EnvironmentIdentifier::Size);
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AMS_ABORT_UNLESS(g_environment_identifier == EnvironmentIdentifierOfProductDevice || g_environment_identifier == EnvironmentIdentifierOfNotProductDevice);
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g_determined_environment_identifier = true;
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}
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}
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return g_environment_identifier;
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}
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}
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