mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018 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 <mutex>
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#include <switch.h>
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#include <stratosphere.hpp>
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static FirmwareVersion g_firmware_version = FirmwareVersion_Min;
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static bool g_HasCached = 0;
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static Mutex g_Mutex;
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static void _CacheValues(void)
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{
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if (__atomic_load_n(&g_HasCached, __ATOMIC_SEQ_CST))
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return;
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mutexLock(&g_Mutex);
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if (g_HasCached) {
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mutexUnlock(&g_Mutex);
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return;
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}
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u32 target_fw = 0;
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GetAtmosphereApiVersion(nullptr, nullptr, nullptr, &target_fw, nullptr);
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switch (static_cast<AtmosphereTargetFirmware>(target_fw)) {
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case AtmosphereTargetFirmware_100:
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g_firmware_version = FirmwareVersion_100;
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break;
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case AtmosphereTargetFirmware_200:
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g_firmware_version = FirmwareVersion_200;
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break;
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case AtmosphereTargetFirmware_300:
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g_firmware_version = FirmwareVersion_300;
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break;
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case AtmosphereTargetFirmware_400:
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g_firmware_version = FirmwareVersion_400;
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break;
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case AtmosphereTargetFirmware_500:
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g_firmware_version = FirmwareVersion_500;
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break;
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case AtmosphereTargetFirmware_600:
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case AtmosphereTargetFirmware_620:
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g_firmware_version = FirmwareVersion_600;
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break;
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case AtmosphereTargetFirmware_700:
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g_firmware_version = FirmwareVersion_700;
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break;
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default:
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std::abort();
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break;
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}
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__atomic_store_n(&g_HasCached, true, __ATOMIC_SEQ_CST);
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mutexUnlock(&g_Mutex);
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}
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FirmwareVersion GetRuntimeFirmwareVersion() {
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_CacheValues();
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return g_firmware_version;
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}
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