extern C int kernel_main()
{
// Initialize heap at 3MB offset
// TODO: fix this
Kernel::heap( MegaByte(3),
MegaByte(1) );
// Start kernel debug serial console
// TODO: can I re-use the user-land driver here somehow????
IntelSerial *serial = new IntelSerial(0x3f8);
serial->setMinimumLogLevel(Log::Notice);
// TODO: put this in the boot.S, or maybe hide it in the support library? maybe a _run_main() or something.
constructors();
// Kernel memory range (first 4MB, includes 1MB heap)
Memory::Range kernelRange;
kernelRange.phys = 0;
kernelRange.size = MegaByte(4);
// RAM physical range for this core (SplitAllocator lower memory).
Memory::Range ramRange;
ramRange.phys = 0;
ramRange.size = (multibootInfo.memUpper * 1024) + MegaByte(1);
// Create and run the kernel
IntelKernel *kernel = new IntelKernel(kernelRange, ramRange);
return kernel->run();
}
void IntelKernel::clocktick(CPUState *state, ulong param)
{
IntelKernel *kern = (IntelKernel *) Kernel::instance;
kern->enableIRQ(kern->m_pit.getInterruptVector(), true);
kern->getProcessManager()->schedule();
}
void IntelKernel::clocktick(CPUState *state, ulong param)
{
IntelKernel *kern = (IntelKernel *) Kernel::instance;
Size irq = kern->m_timer->getInterrupt();
#warning not working for APIC timer, because the timer IRQ is out of range on the PIC
kern->enableIRQ(irq, true);
#warning TODO: tmp hack for APIC timer end-of-interrupt
if (irq == kern->m_apic.getInterrupt())
kern->m_apic.clear(irq);
kern->m_timer->tick();
kern->getProcessManager()->schedule();
}
extern C int kernel_main(CoreInfo *info)
{
// Initialize heap at 3MB offset
// TODO: fix this
Kernel::heap( MegaByte(3),
MegaByte(1) );
// Start kernel debug serial console
// TODO: can I re-use the user-land driver here somehow????
if (info->coreId == 0)
{
IntelSerial *serial = new IntelSerial(0x3f8);
serial->setMinimumLogLevel(Log::Notice);
}
// TODO: put this in the boot.S, or maybe hide it in the support library? maybe a _run_main() or something.
constructors();
// Create and run the kernel
IntelKernel *kernel = new IntelKernel(info);
return kernel->run();
}