lapic.c File Reference

#include <modules/drivers/apic/lapic.h>
#include <kernel/cpu/cpu.h>
#include <kernel/cpu/ipi.h>
#include <kernel/cpu/irq.h>
#include <kernel/log/log.h>
#include <kernel/mem/vmm.h>
#include <kernel/utils/utils.h>
#include <modules/acpi/tables.h>
#include <assert.h>
#include <kernel/defs.h>

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Functions
uint32_t	lapic_read (uint32_t reg)
	Read from a local apic register.
void	lapic_write (uint32_t reg, uint32_t value)
	Write to a local apic register.
void	lapic_init (cpu_t *cpu)
	Initialize the local APIC for a CPU.
lapic_t *	lapic_get (uint32_t cpuId)
	Get the lapic data for the specified CPU.
static void	lapic_interrupt (cpu_t *cpu, irq_virt_t virt)
static void	lapic_eoi (cpu_t *cpu)
uint64_t	lapic_global_init (void)
	Initialize the local APIC subsystem.
void	lapic_send_init (lapic_id_t id)
	Send an INIT IPI to the specified local APIC.
void	lapic_send_sipi (lapic_id_t id, void *entryPoint)
	Send a Startup IPI (SIPI) to the specified local APIC.

Variables
static uintptr_t	lapicBase = 0
static lapic_t	lapics [CPU_MAX] = {[0 ... CPU_MAX - 1] = {.lapicId = -1, .ticksPerMs = 0}}
static ipi_chip_t	lapicIpiChip

Function Documentation

lapic_interrupt()

static void lapic_interrupt ( cpu_t *  cpu, irq_virt_t  virt  )

static

Definition at line 55 of file lapic.c.

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lapic_eoi()

static void lapic_eoi ( cpu_t *  cpu )

static

Definition at line 63 of file lapic.c.

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Variable Documentation

lapicBase

uintptr_t lapicBase = 0

static

Definition at line 14 of file lapic.c.

lapics

lapic_t lapics[CPU_MAX] = {[0 ... CPU_MAX - 1] = {.lapicId = -1, .ticksPerMs = 0}}

static

Definition at line 16 of file lapic.c.

lapicIpiChip

ipi_chip_t lapicIpiChip

static

Initial value:

= {
    .name = "Local APIC IPI",
    .interrupt = lapic_interrupt,
    .eoi = lapic_eoi,
}

Definition at line 70 of file lapic.c.