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Revise firmware version detection to use Exosphere's targetfirmware field

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This commit is contained in:
Michael Scire 2019-01-31 03:07:24 -08:00
parent 236190f8a3
commit 2f1fa654f2
2 changed files with 90 additions and 20 deletions
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34
include/stratosphere/firmware_version.hpp
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@ -24,26 +24,20 @@ enum FirmwareVersion : u32 {
FirmwareVersion_400 = 3,
FirmwareVersion_500 = 4,
FirmwareVersion_600 = 5,
FirmwareVersion_Current = FirmwareVersion_600,
FirmwareVersion_700 = 6,
FirmwareVersion_Current = FirmwareVersion_700,
FirmwareVersion_Max = 32,
};
static inline FirmwareVersion GetRuntimeFirmwareVersion() {
FirmwareVersion fw = FirmwareVersion_Min;
if (kernelAbove200()) {
fw = FirmwareVersion_200;
}
if (kernelAbove300()) {
fw = FirmwareVersion_300;
}
if (kernelAbove400()) {
fw = FirmwareVersion_400;
}
if (kernelAbove500()) {
fw = FirmwareVersion_500;
}
if (kernelAbove600()) {
fw = FirmwareVersion_600;
}
return fw;
}
enum AtmosphereTargetFirmware : u32 {
AtmosphereTargetFirmware_100 = 1,
AtmosphereTargetFirmware_200 = 2,
AtmosphereTargetFirmware_300 = 3,
AtmosphereTargetFirmware_400 = 4,
AtmosphereTargetFirmware_500 = 5,
AtmosphereTargetFirmware_600 = 6,
AtmosphereTargetFirmware_620 = 7,
AtmosphereTargetFirmware_700 = 8,
};
FirmwareVersion GetRuntimeFirmwareVersion();

76
source/firmware_version.cpp Normal file
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@ -0,0 +1,76 @@
/*
* Copyright (c) 2018 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 <http://www.gnu.org/licenses/>.
*/
#include <mutex>
#include <switch.h>
#include <stratosphere.hpp>
static FirmwareVersion g_firmware_version = FirmwareVersion_Min;
static bool g_HasCached = 0;
static Mutex g_Mutex;
static void _CacheValues(void)
{
if (__atomic_load_n(&g_HasCached, __ATOMIC_SEQ_CST))
return;
mutexLock(&g_Mutex);
if (g_HasCached) {
mutexUnlock(&g_Mutex);
return;
}
u32 target_fw = 0;
GetAtmosphereApiVersion(nullptr, nullptr, nullptr, &target_fw, nullptr);
switch (static_cast<AtmosphereTargetFirmware>(target_fw)) {
case AtmosphereTargetFirmware_100:
g_firmware_version = FirmwareVersion_100;
break;
case AtmosphereTargetFirmware_200:
g_firmware_version = FirmwareVersion_200;
break;
case AtmosphereTargetFirmware_300:
g_firmware_version = FirmwareVersion_300;
break;
case AtmosphereTargetFirmware_400:
g_firmware_version = FirmwareVersion_400;
break;
case AtmosphereTargetFirmware_500:
g_firmware_version = FirmwareVersion_500;
break;
case AtmosphereTargetFirmware_600:
case AtmosphereTargetFirmware_620:
g_firmware_version = FirmwareVersion_600;
break;
case AtmosphereTargetFirmware_700:
g_firmware_version = FirmwareVersion_700;
break;
default:
std::abort();
break;
}
__atomic_store_n(&g_HasCached, true, __ATOMIC_SEQ_CST);
mutexUnlock(&g_Mutex);
}
FirmwareVersion GetRuntimeFirmwareVersion() {
_CacheValues();
return g_firmware_version;
}