mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (c) 2018-2020 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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#include "hos_version_api_private.hpp"
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namespace ams::hos {
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namespace {
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hos::Version g_hos_version;
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bool g_has_cached;
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os::Mutex g_mutex(false);
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void CacheValues() {
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if (__atomic_load_n(&g_has_cached, __ATOMIC_SEQ_CST)) {
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return;
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}
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std::scoped_lock lk(g_mutex);
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if (g_has_cached) {
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return;
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}
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/* Hos version is a direct copy of target firmware, just renamed. */
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g_hos_version = static_cast<hos::Version>(exosphere::GetApiInfo().GetTargetFirmware());
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AMS_ABORT_UNLESS(g_hos_version <= hos::Version_Max);
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__atomic_store_n(&g_has_cached, true, __ATOMIC_SEQ_CST);
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}
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}
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::ams::hos::Version GetVersion() {
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CacheValues();
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return g_hos_version;
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}
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void SetVersionForLibnxInternalDebug(hos::Version debug_version) {
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std::scoped_lock lk(g_mutex);
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g_hos_version = debug_version;
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__atomic_store_n(&g_has_cached, true, __ATOMIC_SEQ_CST);
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SetVersionForLibnxInternal();
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}
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void SetVersionForLibnxInternal() {
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const u32 hos_version_val = static_cast<u32>(hos::GetVersion());
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const u32 major = (hos_version_val >> 24) & 0xFF;
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const u32 minor = (hos_version_val >> 16) & 0xFF;
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const u32 micro = (hos_version_val >> 8) & 0xFF;
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hosversionSet(MAKEHOSVERSION(major, minor, micro));
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}
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}
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