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Kernel: Use TypedMapping for accessing IOAPIC registers

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This commit is contained in:
Andreas Kling
2020-05-23 15:57:48 +02:00
parent e870b936c3
commit a75c290e51
Notes: sideshowbarker 2024-07-19 06:12:45 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/a75c290e51b
3 changed files with 12 additions and 13 deletions
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2
Kernel/Interrupts/InterruptManagement.cpp
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@@ -216,7 +216,7 @@ void InterruptManagement::locate_apic_data()
dbg() << "IOAPIC found @ MADT entry " << entry_index << ", MMIO Registers @ " << PhysicalAddress(ioapic_entry->ioapic_address);
m_interrupt_controllers.resize(1 + irq_controller_count);
// FIXME: Casting ioapic_entry->ioapic_address below looks suspicious!
m_interrupt_controllers[irq_controller_count] = adopt(*new IOAPIC(*(ioapic_mmio_regs*)(FlatPtr)ioapic_entry->ioapic_address, ioapic_entry->gsi_base));
m_interrupt_controllers[irq_controller_count] = adopt(*new IOAPIC(PhysicalAddress(ioapic_entry->ioapic_address), ioapic_entry->gsi_base));
irq_controller_count++;
}
if (madt_entry->type == (u8)ACPI::Structures::MADTEntryType::InterruptSourceOverride) {