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Kernel: Initialize Spurious IRQ handlers in switch_to_pic_mode()

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Liav A 2020-02-28 18:26:44 +02:00 committed by Andreas Kling
parent 86395810a9
commit 976562307a
Notes: sideshowbarker 2024-07-19 08:58:39 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/976562307ac
Pull-request: https://github.com/SerenityOS/serenity/pull/1323
Reviewed-by: https://github.com/awesomekling
1 changed files with 9 additions and 0 deletions
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9
Kernel/Interrupts/InterruptManagement.cpp
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@ -30,6 +30,7 @@
#include <Kernel/Interrupts/IOAPIC.h>
#include <Kernel/Interrupts/InterruptManagement.h>
#include <Kernel/Interrupts/PIC.h>
#include <Kernel/Interrupts/SpuriousInterruptHandler.h>
#include <Kernel/VM/MemoryManager.h>
#define PCAT_COMPAT_FLAG 0x1
@ -91,6 +92,10 @@ void InterruptManagement::disable(u8 interrupt_vector)
void InterruptManagement::eoi(u8 interrupt_vector)
{
if (m_interrupt_controllers.size() == 1 && m_interrupt_controllers[0]->type() == IRQControllerType::i8259) {
m_interrupt_controllers[0]->eoi(interrupt_vector);
return;
}
for (auto& irq_controller : InterruptManagement::the().m_interrupt_controllers) {
ASSERT(irq_controller != nullptr);
if (irq_controller->get_gsi_base() <= interrupt_vector)
@ -109,6 +114,8 @@ IRQController& InterruptManagement::get_interrupt_controller(int index)
void InterruptManagement::switch_to_pic_mode()
{
kprintf("Interrupts: PIC mode by default\n");
SpuriousInterruptHandler::initialize(7);
SpuriousInterruptHandler::initialize(15);
}
void InterruptManagement::switch_to_ioapic_mode()
@ -135,6 +142,8 @@ AdvancedInterruptManagement::AdvancedInterruptManagement(PhysicalAddress p_madt)
void AdvancedInterruptManagement::switch_to_pic_mode()
{
kprintf("Interrupts: Switch to Legacy PIC mode\n");
SpuriousInterruptHandler::initialize(7);
SpuriousInterruptHandler::initialize(15);
for (auto& irq_controller : m_interrupt_controllers) {
ASSERT(irq_controller);
if (irq_controller->type() == IRQControllerType::i82093AA) {