1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2024-12-13 14:02:07 +00:00
Atmosphere/libraries/libmesosphere/source/kern_k_interrupt_event.cpp

88 lines
2.7 KiB
C++
Raw Normal View History

/*
* 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/>.
*/
#include <mesosphere.hpp>
namespace ams::kern {
Result KInterruptEvent::Initialize(int32_t interrupt_name, ams::svc::InterruptType type) {
MESOSPHERE_ASSERT_THIS();
/* Verify the interrupt is defined and global. */
R_UNLESS(Kernel::GetInterruptManager().IsInterruptDefined(interrupt_name), svc::ResultOutOfRange());
R_UNLESS(Kernel::GetInterruptManager().IsGlobal(interrupt_name), svc::ResultOutOfRange());
/* Set interrupt id. */
m_interrupt_id = interrupt_name;
/* Set core id. */
m_core_id = GetCurrentCoreId();
/* Initialize readable event base. */
KReadableEvent::Initialize(nullptr);
/* Bind ourselves as the handler for our interrupt id. */
R_TRY(Kernel::GetInterruptManager().BindHandler(this, m_interrupt_id, m_core_id, KInterruptController::PriorityLevel_High, true, type == ams::svc::InterruptType_Level));
/* Mark initialized. */
m_is_initialized = true;
R_SUCCEED();
}
void KInterruptEvent::Finalize() {
MESOSPHERE_ASSERT_THIS();
/* Unbind ourselves as the handler for our interrupt id. */
Kernel::GetInterruptManager().UnbindHandler(m_interrupt_id, m_core_id);
/* Synchronize the unbind on all cores, before proceeding. */
KDpcManager::Sync();
/* Perform inherited finalization. */
KReadableEvent::Finalize();
}
Result KInterruptEvent::Reset() {
MESOSPHERE_ASSERT_THIS();
/* Lock the scheduler. */
KScopedSchedulerLock sl;
/* Clear the event. */
R_TRY(KReadableEvent::Reset());
/* Clear the interrupt. */
Kernel::GetInterruptManager().ClearInterrupt(m_interrupt_id, m_core_id);
R_SUCCEED();
}
KInterruptTask *KInterruptEvent::OnInterrupt(s32 interrupt_id) {
MESOSPHERE_ASSERT_THIS();
2020-08-17 22:20:24 +01:00
MESOSPHERE_UNUSED(interrupt_id);
return this;
}
void KInterruptEvent::DoTask() {
MESOSPHERE_ASSERT_THIS();
/* Lock the scheduler. */
KScopedSchedulerLock sl;
/* Signal. */
this->Signal();
}
}