57 lines
955 B
C++
57 lines
955 B
C++
#include <BAN/Errors.h>
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#include <kernel/InterruptController.h>
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#include <kernel/APIC.h>
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#include <kernel/PIC.h>
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#include <lai/helpers/sci.h>
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namespace Kernel
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{
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static InterruptController* s_instance = nullptr;
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InterruptController& InterruptController::get()
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{
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ASSERT(s_instance);
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return *s_instance;
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}
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void InterruptController::initialize(bool force_pic)
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{
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ASSERT(s_instance == nullptr);
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PIC::mask_all();
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PIC::remap();
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if (!force_pic)
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{
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s_instance = APIC::create();
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if (s_instance)
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{
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s_instance->m_using_apic = true;
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return;
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}
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}
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dprintln("Using PIC instead of APIC");
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s_instance = PIC::create();
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ASSERT(s_instance);
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s_instance->m_using_apic = false;
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}
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bool InterruptController::is_initialized()
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{
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return s_instance;
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}
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void InterruptController::enter_acpi_mode()
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{
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#if ARCH(x86_64)
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if (lai_enable_acpi(m_using_apic ? 1 : 0) != 0)
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#endif
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dwarnln("could not enter acpi mode");
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}
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}
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