Luna/kernel/src/interrupts/Entry.cpp

#define MODULE "isr"

#include "assert.h"
#include "interrupts/IRQ.h"
#include "interrupts/Interrupts.h"
#include "interrupts/SavedContext.h"
#include "log/Log.h"
#include "panic/hang.h"
#include "std/stdio.h"
#include "trace/StackTracer.h"

extern "C" void common_handler(SavedContext* context)
{
    ASSERT(Interrupts::is_in_handler());
    if (context->number >= 0x20 && context->number < 0x30)
    {
        IRQ::interrupt_handler(context);
        return;
    }
    if (context->number == 13)
    {
        kerrorln("General protection fault at RIP %lx, cs %ld, ss %ld, RSP %lx, error code %ld", context->rip,
                 context->cs, context->ss, context->rsp, context->error_code);
        kinfoln("Stack trace:");

        StackTracer tracer(context->rbp);
        tracer.trace();
        while (1) halt();
    }
    if (context->number == 14)
    {
        kerrorln("Page fault in %s (RIP %lx), while trying to access %lx, error code %ld",
                 context->cs == 8 ? "ring 0" : "ring 3", context->rip, context->cr2, context->error_code);
        kinfoln("Stack trace:");

        StackTracer tracer(context->rbp);
        tracer.trace();

        hang();
    }
    if (context->number == 8)
    {
        kerrorln("Double fault, halting");
        kinfoln("Stack trace:");

        StackTracer tracer(context->rbp);
        tracer.trace();
        hang();
    }
    if (context->number == 256) { kwarnln("Unused interrupt"); }
    return;
}