christoph/interrupt-handling-using-the-x86-apic
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Christoph Urlacher
2023-02-26 21:12:51 +01:00
commit d2ec37332f
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code/lapic_imcr.cpp Normal file
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void LocalApic::disablePicMode() {
IoPort registerSelectorPort = IoPort(0x22);
IoPort registerDataPort = IoPort(0x23);
registerSelectorPort.writeByte(0x70); // IMCR address is 0x70
registerDataPort.writeByte(0x01); // 0x01 disconnects PIC
}