Add initial IO APIC support

- IO APIC vector mapping
- Legacy PIC disable
- Real interrupts happening

src/kernel/interrupt_isrs.inc

@@ -47,8 +47,33 @@ IRQ (76, 12, irq12)
 IRQ (77, 13, irq13)
 IRQ (78, 14, irq14)
 IRQ (79, 15, irq15)
+IRQ (80, 16, irq16)
+IRQ (81, 17, irq17)
+IRQ (82, 18, irq18)
+IRQ (83, 19, irq19)
+IRQ (84, 20, irq20)
+IRQ (85, 21, irq21)
+IRQ (86, 22, irq22)
 
 ISR (0x7c, isrTimer)
 ISR (0x7d, isrLINT0)
 ISR (0x7e, isrLINT1)
 ISR (0x7f, isrSpurious)
+
+ISR (0xf0, isrIgnore0)
+ISR (0xf1, isrIgnore1)
+ISR (0xf2, isrIgnore2)
+ISR (0xf3, isrIgnore3)
+ISR (0xf4, isrIgnore4)
+ISR (0xf5, isrIgnore5)
+ISR (0xf6, isrIgnore6)
+ISR (0xf7, isrIgnore7)
+
+ISR (0xf8, isrIgnore8)
+ISR (0xf9, isrIgnore9)
+ISR (0xfa, isrIgnoreA)
+ISR (0xfb, isrIgnoreB)
+ISR (0xfc, isrIgnoreC)
+ISR (0xfd, isrIgnoreD)
+ISR (0xfe, isrIgnoreE)
+ISR (0xff, isrIgnoreF)