interrupt.64.c File Reference

Interrupts. More...

#include <types.h>
#include <cpu.h>
#include <cpu/interrupt.h>
#include <cpu/descriptor.h>
#include <cpu/crx.h>
#include <logging.h>
#include <strings.h>
#include <memory/paging.h>
#include <memory.h>
#include <apic.h>
#include <cpu/task.h>
#include <backtrace.h>
#include <debug.h>

Classes
struct	interrupt_irq_list_item_t

Typedefs
typedef struct interrupt_irq_list_item_t	interrupt_irq_list_item_t

Functions
	MODULE ("turnstone.kernel.cpu.interrupt")
void	video_text_print (const char_t *string)
void	interrupt_register_dummy_handlers (descriptor_idt_t *)
int8_t	interrupt_int01_debug_exception (interrupt_frame_ext_t *)
int8_t	interrupt_int02_nmi_interrupt (interrupt_frame_ext_t *)
int8_t	interrupt_int03_breakpoint_exception (interrupt_frame_ext_t *)
int8_t	interrupt_int0D_general_protection_exception (interrupt_frame_ext_t *)
int8_t	interrupt_int0E_page_fault_exception (interrupt_frame_ext_t *)
int8_t	interrupt_int13_simd_floating_point_exception (interrupt_frame_ext_t *)
int8_t	interrupt_init (void)
	interrupt table builder functions More...
int8_t	interrupt_ist_redirect_main_interrupts (uint8_t ist)
	interrupt redirector for main interrupts More...
int8_t	interrupt_ist_redirect_interrupt (uint8_t vec, uint8_t ist)
	interrupt redirector for main interrupts More...
uint8_t	interrupt_get_next_empty_interrupt (void)
	finds not used interrupt for registering More...
int8_t	interrupt_irq_remove_handler (uint8_t irqnum, interrupt_irq irq)
	remove irq for irq number More...
int8_t	interrupt_irq_set_handler (uint8_t irqnum, interrupt_irq irq)
	registers irq for irq number, for an irq there can be more irq handlers, loops with return of interrupt_irq More...
static void	interrupt_print_frame_ext (interrupt_frame_ext_t *frame)
void	interrupt_generic_handler (interrupt_frame_ext_t *frame)

Variables
interrupt_irq_list_item_t **	interrupt_irqs = NULL
uint8_t	next_empty_interrupt = 0
boolean_t	KERNEL_PANIC_DISABLE_LOCKS
boolean_t	we_sended_nmi_to_bsp

Detailed Description

Interrupts.

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Function Documentation

interrupt_get_next_empty_interrupt()

uint8_t interrupt_get_next_empty_interrupt

(

void

)

finds not used interrupt for registering

Returns

interrupt number

interrupt_init()

int8_t interrupt_init

(

void

)

interrupt table builder functions

builds interrupt table at idtr look for descriptor_idt

interrupt_irq_remove_handler()

int8_t interrupt_irq_remove_handler	(	uint8_t	irqnum,
		interrupt_irq	irq
	)

remove irq for irq number

Parameters

[in]	irqnum	irq number to handle
[in]	irq	the irq handler

Returns

0 if succeed

interrupt_irq_set_handler()

int8_t interrupt_irq_set_handler	(	uint8_t	irqnum,
		interrupt_irq	irq
	)

registers irq for irq number, for an irq there can be more irq handlers, loops with return of interrupt_irq

Parameters

[in]	irqnum	irq number to handle
[in]	irq	the irq handler

Returns

0 if succeed

interrupt_ist_redirect_interrupt()

int8_t interrupt_ist_redirect_interrupt	(	uint8_t	vec,
		uint8_t	ist
	)

interrupt redirector for main interrupts

Parameters

[in]

ist

interrupt stack table index

Returns

0 if succeed

interrupt_ist_redirect_main_interrupts()

int8_t interrupt_ist_redirect_main_interrupts

(

uint8_t

ist

)

interrupt redirector for main interrupts

Parameters

[in]

ist

interrupt stack table index

Returns

0 if succeed

Variable Documentation

KERNEL_PANIC_DISABLE_LOCKS

boolean_t KERNEL_PANIC_DISABLE_LOCKS

extern

global kernel panic lock for efi