/* * Copyright (c) 2018-2020 Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include "hos_version_api_private.hpp" namespace ams::hos { namespace { hos::Version g_hos_version; bool g_has_cached; os::Mutex g_mutex(false); void CacheValues() { if (__atomic_load_n(&g_has_cached, __ATOMIC_SEQ_CST)) { return; } std::scoped_lock lk(g_mutex); if (g_has_cached) { return; } /* Hos version is a direct copy of target firmware, just renamed. */ g_hos_version = static_cast(exosphere::GetApiInfo().GetTargetFirmware()); AMS_ABORT_UNLESS(g_hos_version <= hos::Version_Max); __atomic_store_n(&g_has_cached, true, __ATOMIC_SEQ_CST); } } ::ams::hos::Version GetVersion() { CacheValues(); return g_hos_version; } void SetVersionForLibnxInternal() { const u32 hos_version_val = static_cast(hos::GetVersion()); const u32 major = (hos_version_val >> 24) & 0xFF; const u32 minor = (hos_version_val >> 16) & 0xFF; const u32 micro = (hos_version_val >> 8) & 0xFF; hosversionSet(MAKEHOSVERSION(major, minor, micro)); } }