banan-os/kernel/kernel/InterruptController.cpp

47 lines
758 B
C++

#include <BAN/Errors.h>
#include <kernel/InterruptController.h>
#include <kernel/APIC.h>
#include <kernel/PIC.h>
namespace Kernel
{
static InterruptController* s_instance = nullptr;
InterruptController& InterruptController::get()
{
ASSERT(s_instance);
return *s_instance;
}
void InterruptController::initialize(bool force_pic)
{
ASSERT(s_instance == nullptr);
PIC::mask_all();
PIC::remap();
if (!force_pic)
{
s_instance = APIC::create();
if (s_instance)
{
s_instance->m_using_apic = true;
return;
}
}
dprintln("Using PIC instead of APIC");
s_instance = PIC::create();
ASSERT(s_instance);
s_instance->m_using_apic = false;
}
bool InterruptController::is_initialized()
{
return s_instance;
}
}