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#include <types.h>
#include <irq_handler.h>
#include <pic.h>
#include <io.h>
#include <keyboard.h>
#include <timer.h>
#include <paging.h>
#include <libk/serial_stdio.h>
#include <libk/stdio.h>
#include <panic.h>
#include <ioapic.h>
#define PIT 0
const char *const exception_name[] = {
"Divide-by-zero Error",
"Debug",
"Non-maskable Interrupt",
"Breakpoint",
"Overflow",
"Bound Range Exceeded",
"Invalid Opcode",
"Device Not Available",
"Double Fault",
"Coprocessor Segment Overrun",
"Invalid TSS",
"Segment Not Present",
"Stack-Segment Fault",
"General Protection Fault",
"Page Fault",
"Reserved",
"x87 Floating-Point Exception",
"Alignment Check",
"Machine Check",
"SIMD Floating-Point Exception",
"Virtualization Exception",
"Control Protection Exception",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Hypervisor Injection Exception",
"VMM Communication Exception",
"Security Exception",
"Reserved",
};
void exception(uint64_t number, uint64_t rsp, uint64_t error)
{
switch (number) {
case 0xe:
printf("%s, error: 0x%x\n", exception_name[14], error);
page_fault(rsp, error);
break;
default:
panic(rsp, "%s, error: 0x%x\n", exception_name[number], error);
}
}
void eoi(uint64_t number)
{
if (PIT) {
if (number < 0x28) {
outb(PIC1_COMMAND, PIC_EOI);
} else if (number < 0x30) {
outb(PIC1_COMMAND, PIC_EOI);
outb(PIC2_COMMAND, PIC_EOI);
}
} else {
ioapic_eoi();
}
}
void interrupt(uint64_t number, uint64_t rsp)
{
switch (number) {
case 0x20:
timer_handler(rsp);
eoi(number);
break;
case 0x21:
keyboard_handler();
eoi(number);
break;
default:
printf("spurious interrupt\n");
break;
}
}
void isr_def_handler(uint64_t number, uint64_t rsp, uint64_t error)
{
if (number < 0x20) {
exception(number, rsp, error);
} else {
interrupt(number, rsp);
}
}
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