mirror of
https://github.com/RGBCube/serenity
synced 2025-05-14 11:24:58 +00:00
a4534678f9
Now that the code does not use architectural specific code, it is moved to the generic Arch directory and the paths are modified accordingly.
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Arch/InterruptDisabler.h>
|
|
#include <Kernel/Debug.h>
|
|
#include <Kernel/Interrupts/IRQHandler.h>
|
|
#include <Kernel/Interrupts/InterruptManagement.h>
|
|
|
|
namespace Kernel {
|
|
|
|
IRQHandler::IRQHandler(u8 irq)
|
|
: GenericInterruptHandler(irq)
|
|
, m_responsible_irq_controller(InterruptManagement::the().get_responsible_irq_controller(irq))
|
|
{
|
|
if (is_registered())
|
|
disable_irq();
|
|
}
|
|
|
|
IRQHandler::~IRQHandler() = default;
|
|
|
|
bool IRQHandler::eoi()
|
|
{
|
|
dbgln_if(IRQ_DEBUG, "EOI IRQ {}", interrupt_number());
|
|
if (!m_shared_with_others) {
|
|
VERIFY(!m_responsible_irq_controller.is_null());
|
|
m_responsible_irq_controller->eoi(*this);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void IRQHandler::enable_irq()
|
|
{
|
|
dbgln_if(IRQ_DEBUG, "Enable IRQ {}", interrupt_number());
|
|
if (!is_registered())
|
|
register_interrupt_handler();
|
|
m_enabled = true;
|
|
if (!m_shared_with_others)
|
|
m_responsible_irq_controller->enable(*this);
|
|
}
|
|
|
|
void IRQHandler::disable_irq()
|
|
{
|
|
dbgln_if(IRQ_DEBUG, "Disable IRQ {}", interrupt_number());
|
|
m_enabled = false;
|
|
if (!m_shared_with_others)
|
|
m_responsible_irq_controller->disable(*this);
|
|
}
|
|
|
|
void IRQHandler::change_irq_number(u8 irq)
|
|
{
|
|
InterruptDisabler disabler;
|
|
change_interrupt_number(irq);
|
|
m_responsible_irq_controller = InterruptManagement::the().get_responsible_irq_controller(irq);
|
|
}
|
|
|
|
}
|