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kern: implement dpc + skeleton rest of main

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This commit is contained in:
Michael Scire 2020-02-07 19:16:09 -08:00
parent e9e949ec36
commit 1224ed8abe
14 changed files with 559 additions and 40 deletions
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44
libraries/libmesosphere/include/mesosphere/kern_k_dpc_manager.hpp Normal file
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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_select_cpu.hpp>
namespace ams::kern {
class KDpcManager {
private:
static constexpr s32 DpcManagerNormalThreadPriority = 59;
static constexpr s32 DpcManagerPreemptionThreadPriority = 63;
static_assert(ams::svc::HighestThreadPriority <= DpcManagerNormalThreadPriority && DpcManagerNormalThreadPriority <= ams::svc::LowestThreadPriority);
static_assert(ams::svc::HighestThreadPriority <= DpcManagerPreemptionThreadPriority && DpcManagerPreemptionThreadPriority <= ams::svc::LowestThreadPriority);
private:
static NOINLINE void Initialize(s32 core_id, s32 priority);
public:
static void Initialize() {
const s32 core_id = GetCurrentCoreId();
if (core_id == static_cast<s32>(cpu::NumCores) - 1) {
Initialize(core_id, DpcManagerPreemptionThreadPriority);
} else {
Initialize(core_id, DpcManagerNormalThreadPriority);
}
}
static NOINLINE void HandleDpc();
};
}