MissionControl/bluetooth-mitm/source/bluetoothmitm_utils.cpp

41 lines
1.6 KiB
C++

/*
* Copyright (C) 2020 ndeadly
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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 "bluetoothmitm_utils.hpp"
namespace ams::mitm::utils {
namespace {
constexpr inline s32 TargetThreadPriorityRangeSize = svc::LowestThreadPriority - svc::HighestThreadPriority + 1;
constexpr inline s32 UserThreadPriorityOffset = 28;
constexpr inline s32 HighestTargetThreadPriority = 0;
constexpr inline s32 LowestTargetThreadPriority = TargetThreadPriorityRangeSize - 1;
}
s32 ConvertToHorizonPriority(s32 user_priority) {
const s32 horizon_priority = user_priority + UserThreadPriorityOffset;
AMS_ASSERT(HighestTargetThreadPriority <= horizon_priority && horizon_priority <= LowestTargetThreadPriority);
return horizon_priority;
}
s32 ConvertToUserPriority(s32 horizon_priority) {
AMS_ASSERT(HighestTargetThreadPriority <= horizon_priority && horizon_priority <= LowestTargetThreadPriority);
return horizon_priority - UserThreadPriorityOffset;
}
}