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kern: audit (and fix) our hardware maintenance instructions to match official kernel

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This commit is contained in:
Michael Scire 2021-10-27 12:31:53 -07:00
parent fb59d0ad43
commit e81a1ce5a8
16 changed files with 104 additions and 203 deletions
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43
libraries/libmesosphere/include/mesosphere/kern_k_scheduler_impls.hpp Normal file
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/*
* Copyright (c) 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_k_scheduler.hpp>
#include <mesosphere/kern_select_interrupt_manager.hpp>
namespace ams::kern {
/* NOTE: This header is included after all main headers. */
consteval bool KScheduler::ValidateAssemblyOffsets() {
static_assert(AMS_OFFSETOF(KScheduler, m_state.needs_scheduling) == KSCHEDULER_NEEDS_SCHEDULING);
static_assert(AMS_OFFSETOF(KScheduler, m_state.interrupt_task_runnable) == KSCHEDULER_INTERRUPT_TASK_RUNNABLE);
static_assert(AMS_OFFSETOF(KScheduler, m_state.highest_priority_thread) == KSCHEDULER_HIGHEST_PRIORITY_THREAD);
static_assert(AMS_OFFSETOF(KScheduler, m_state.idle_thread_stack) == KSCHEDULER_IDLE_THREAD_STACK);
static_assert(AMS_OFFSETOF(KScheduler, m_state.prev_thread) == KSCHEDULER_PREVIOUS_THREAD);
static_assert(AMS_OFFSETOF(KScheduler, m_state.interrupt_task_manager) == KSCHEDULER_INTERRUPT_TASK_MANAGER);
return true;
}
static_assert(KScheduler::ValidateAssemblyOffsets());
ALWAYS_INLINE void KScheduler::RescheduleOtherCores(u64 cores_needing_scheduling) {
if (const u64 core_mask = cores_needing_scheduling & ~(1ul << m_core_id); core_mask != 0) {
cpu::DataSynchronizationBarrier();
Kernel::GetInterruptManager().SendInterProcessorInterrupt(KInterruptName_Scheduler, core_mask);
}
}
}