778 B
778 B
interrupts.h
The infrastructure to handle x86 interrupts.
idt_register_T
- struct [packed]
This struct is very similar to gdt_descriptor_T. It holds the size and address of the Table, where the interrupt handlers are looked up.
idt_descriptor_entry_T
- struct
This struct stores information about one interrupt handler. The osdev wiki explains this more detailed.
g_idt_register
- global variable
The default IDT configuration loaded when the IDT gets initialized.
g_handling_interrupt
- global variable
When the system isn't handling an interrupt this is set to 0. If this is greater than 0 the system is currently handling an interrupt,
idt_init()
- function (void)
This function fills all the interrupt gates (handlers) into the IDT and loads it.