#include "./interrupt.h"
#include "autoconf.h"
#include "console/console.h"
#include "hal/apic/apic.h"
#include "hal/cpu/paging.h"
#include "init/init.h"
#include <hal/cpu/core.h>
#include <libk/debug/debug.h>
#include <libk/io.h>
#include <libk/serial.h>
#include <memory/memory_utils.h>
#include <memory/vm_manager.h>
#include <procc/scheduler.h>
#include <procc/task.h>
#include <spinlock.h>
#include <str.h>
#include <type.h>

Enumerations
enum	EXCEPTION_ID { DIVIDE_BY_ZERO = 0 , DEBUG = 1 , NON_MASKABLE_INTERRUPT = 2 , BREAKPOINT = 3 , INTO_DETECTED_OVERFLOW = 4 , OUT_OF_BOUNDS = 5 , INVALID_OPCODE = 6 , NO_COPROCESSOR = 7 , DOUBLE_FAULT = 8 , COPROCESSOR_SEGMENT_OVERRUN = 9 , BAD_TSS = 10 , SEGMENT_NOT_PRESENT = 11 , STACK_FAULT = 12 , GENERAL_PROTECTION_FAULT = 13 , PAGE_FAULT = 14 , X87_FPU_FLOATING_POINT_ERROR = 16 , ALIGNMENT_CHECK = 17 , MACHINE_CHECK = 18 , SIMD_FLOATING_POINT_EXCEPTION = 19 , VIRTUALIZATION_EXCEPTION = 20 , CONTORL_PROTECTION_EXCEPTION = 21 , HYPERVISOR_INJECTION_EXCEPTION = 28 , VMM_COMMUNICATION_EXCEPTION = 29 , SECURITY_EXCEPTION = 30 }

Functions
static void	interrupt_io_wait ()

static void	interrupt_pic_remap (void)

static void	interrupt_reload (interrupt_pointers_t ptr, interrupt_entry_t tbl)

static void	interrupt_register (interrupt_entry_t entries, int n, void handler, int selector, uint8_t ist, uint8_t type_attr)

void	irq_register (uint8_t core, int n, void *handler, boolean_t use_default_isr, uint16_t selector, uint8_t ist, uint8_t type_attr)

uint16_t	irq_alloc_entry (uint8_t core)

void	irq_setup (uint16_t core)

	INIT (Interrupt)

void	jump_usermode (uintptr_t addr)

void	init_runtime ()

void	timer_handle (void)

void	virtio_irq ()

	__attribute__ ((no_stack_protector))

Variables
static interrupt_per_core_data_t	interrupt_per_core_data [VOXIA_MAX_CORE] = {0}

void *	int_table []

static const char *	exception_messages []

boolean_t	is_running_program = 0

boolean_t	g__scheduler__is__running

boolean_t	elf_has_running

uintptr_t	rip_before_run_elf

spinlock_t	int_lock

Enumeration Type Documentation

◆ EXCEPTION_ID

enum EXCEPTION_ID

Enumerator
DIVIDE_BY_ZERO
DEBUG
NON_MASKABLE_INTERRUPT
BREAKPOINT
INTO_DETECTED_OVERFLOW
OUT_OF_BOUNDS
INVALID_OPCODE
NO_COPROCESSOR
DOUBLE_FAULT
COPROCESSOR_SEGMENT_OVERRUN
BAD_TSS
SEGMENT_NOT_PRESENT
STACK_FAULT
GENERAL_PROTECTION_FAULT
PAGE_FAULT
X87_FPU_FLOATING_POINT_ERROR
ALIGNMENT_CHECK
MACHINE_CHECK
SIMD_FLOATING_POINT_EXCEPTION
VIRTUALIZATION_EXCEPTION
CONTORL_PROTECTION_EXCEPTION
HYPERVISOR_INJECTION_EXCEPTION
VMM_COMMUNICATION_EXCEPTION
SECURITY_EXCEPTION

Definition at line 185 of file interrupt.c.

Function Documentation

◆ attribute()

__attribute__ ( (no_stack_protector) )

Definition at line 223 of file interrupt.c.

References apic_eoi(), irq_entry_t::configured, exception_messages, fpu, get_current_core_data(), h, irq_entry_t::handler, INFLOOP, interrupt_per_core_data, LOG2_ERROR, irq_entry_t::mask, PAGE_FAULT, queue, rsp, sch_restore_to_next_thread(), serial2_printf(), THREAD_STATE_TERMINATED, UNUSED, irq_entry_t::use_default_isr, and vxSchedulerGetCurrentQueue().

◆ INIT()

INIT ( Interrupt )

Definition at line 145 of file interrupt.c.

References irq_setup(), and update_core_gs().

◆ init_runtime()

void init_runtime ( )

extern

References g__scheduler__is__running.

◆ interrupt_io_wait()

static void interrupt_io_wait ( )

static

Definition at line 21 of file interrupt.c.

References outb().

Referenced by interrupt_pic_remap().

◆ interrupt_pic_remap()

static void interrupt_pic_remap ( void )

static

Definition at line 23 of file interrupt.c.

References ICW1_ICW4, ICW1_INIT, ICW4_8086, interrupt_io_wait(), outb(), PIC1_COMMAND, PIC1_DATA, PIC2_COMMAND, and PIC2_DATA.

Referenced by irq_setup().

◆ interrupt_register()

static void interrupt_register	(	interrupt_entry_t *	entries,
		int	n,
		void *	handler,
		int	selector,
		uint8_t	ist,
		uint8_t	type_attr )

static

Definition at line 50 of file interrupt.c.

References ist.

Referenced by irq_register(), and irq_setup().

◆ interrupt_reload()

static void interrupt_reload	(	interrupt_pointers_t *	ptr,
		interrupt_entry_t *	tbl )

static

Definition at line 39 of file interrupt.c.

References MAX_INTERRUPTS, and ptr.

Referenced by irq_setup().

◆ irq_alloc_entry()

uint16_t irq_alloc_entry ( uint8_t core )

Definition at line 109 of file interrupt.c.

References irq_entry_t::allocated, core, interrupt_per_core_data, and MAX_INTERRUPTS.

Referenced by __attribute__().

◆ irq_register()

void irq_register	(	uint8_t	core,
		int	n,
		void *	handler,
		boolean_t	use_default_isr,
		uint16_t	selector,
		uint8_t	ist,
		uint8_t	type_attr )

Definition at line 70 of file interrupt.c.

References irq_entry_t::configured, core, irq_entry_t::handler, int_table, interrupt_per_core_data, interrupt_register(), ist, irq_entry_t::mask, slot, and irq_entry_t::use_default_isr.

Referenced by __attribute__(), setup_timer_interrupt(), and vxStartScheduler().

◆ irq_setup()

void irq_setup ( uint16_t core )

Definition at line 125 of file interrupt.c.

References core, int_table, INTERRUPT_ATTR_KERNEL, interrupt_per_core_data, interrupt_pic_remap(), interrupt_register(), interrupt_reload(), MAX_INTERRUPTS, and memset().

Referenced by __attribute__(), and INIT().

◆ jump_usermode()

void jump_usermode ( uintptr_t addr )

extern

References addr.

◆ timer_handle()

void timer_handle ( void )

extern

◆ virtio_irq()

void virtio_irq ( )

extern

References elf_has_running, and rip_before_run_elf.

Variable Documentation

◆ elf_has_running

boolean_t elf_has_running

extern

Definition at line 14 of file elf.c.

Referenced by virtio_irq().

◆ exception_messages

const char* exception_messages[]

static

Definition at line 150 of file interrupt.c.

Referenced by __attribute__().

◆ gscheduleris__running

boolean_t g__scheduler__is__running

extern

Definition at line 19 of file scheduler.c.

Referenced by init_runtime(), and usleep().

◆ int_lock

spinlock_t int_lock

Definition at line 221 of file interrupt.c.

◆ int_table

void* int_table[]

extern

Referenced by irq_register(), and irq_setup().

◆ interrupt_per_core_data

interrupt_per_core_data_t interrupt_per_core_data[VOXIA_MAX_CORE] = {0}

static

Definition at line 19 of file interrupt.c.

Referenced by __attribute__(), irq_alloc_entry(), irq_register(), and irq_setup().

◆ is_running_program

boolean_t is_running_program = 0

Definition at line 212 of file interrupt.c.

◆ rip_before_run_elf

uintptr_t rip_before_run_elf

extern

Definition at line 15 of file elf.c.

Referenced by virtio_irq().

Enumerations

Functions

Variables

Enumeration Type Documentation

◆ EXCEPTION_ID

Function Documentation

◆ __attribute__()

◆ INIT()

◆ init_runtime()

◆ interrupt_io_wait()

◆ interrupt_pic_remap()

◆ interrupt_register()

◆ interrupt_reload()

◆ irq_alloc_entry()

◆ irq_register()

◆ irq_setup()

◆ jump_usermode()

◆ timer_handle()

◆ virtio_irq()

Variable Documentation

◆ elf_has_running

◆ exception_messages

◆ g__scheduler__is__running

◆ int_lock

◆ int_table

◆ interrupt_per_core_data

◆ is_running_program

◆ rip_before_run_elf

◆ attribute()

◆ gscheduleris__running