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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*
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* Copyright (c) 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 <mesosphere.hpp>
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namespace ams::kern {
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Result KInterruptEvent::Initialize(int32_t interrupt_name, ams::svc::InterruptType type) {
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MESOSPHERE_ASSERT_THIS();
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/* Verify the interrupt is defined and global. */
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R_UNLESS(Kernel::GetInterruptManager().IsInterruptDefined(interrupt_name), svc::ResultOutOfRange());
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R_UNLESS(Kernel::GetInterruptManager().IsGlobal(interrupt_name), svc::ResultOutOfRange());
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/* Set interrupt id. */
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m_interrupt_id = interrupt_name;
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/* Set core id. */
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m_core_id = GetCurrentCoreId();
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/* Initialize readable event base. */
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KReadableEvent::Initialize(nullptr);
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/* Bind ourselves as the handler for our interrupt id. */
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R_TRY(Kernel::GetInterruptManager().BindHandler(this, m_interrupt_id, m_core_id, KInterruptController::PriorityLevel_High, true, type == ams::svc::InterruptType_Level));
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/* Mark initialized. */
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m_is_initialized = true;
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R_SUCCEED();
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}
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void KInterruptEvent::Finalize() {
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MESOSPHERE_ASSERT_THIS();
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/* Unbind ourselves as the handler for our interrupt id. */
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Kernel::GetInterruptManager().UnbindHandler(m_interrupt_id, m_core_id);
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/* Synchronize the unbind on all cores, before proceeding. */
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KDpcManager::Sync();
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/* Perform inherited finalization. */
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KReadableEvent::Finalize();
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}
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Result KInterruptEvent::Reset() {
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MESOSPHERE_ASSERT_THIS();
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/* Lock the scheduler. */
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KScopedSchedulerLock sl;
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/* Clear the event. */
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R_TRY(KReadableEvent::Reset());
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/* Clear the interrupt. */
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Kernel::GetInterruptManager().ClearInterrupt(m_interrupt_id, m_core_id);
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R_SUCCEED();
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}
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KInterruptTask *KInterruptEvent::OnInterrupt(s32 interrupt_id) {
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MESOSPHERE_ASSERT_THIS();
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MESOSPHERE_UNUSED(interrupt_id);
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return this;
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}
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void KInterruptEvent::DoTask() {
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MESOSPHERE_ASSERT_THIS();
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/* Lock the scheduler. */
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KScopedSchedulerLock sl;
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/* Signal. */
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this->Signal();
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}
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}
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