apic and ioapic interface More...

#include <types.h>
#include <list.h>
#include <acpi.h>

Classes
struct	apic_ioapic_register_t

struct	apic_register_spurious_interrupt_t

struct	apic_lintv_t

Macros
#define	___APIC_H 0

#define	APIC_MSR_ADDRESS 0x1B

#define	APIC_MSR_ENABLE_APIC 0x800UL

#define	APIC_MSR_ENABLE_X2APIC 0x400UL

#define	APIC_REGISTER_OFFSET_ID 0x20

#define	APIC_REGISTER_OFFSET_SPURIOUS_INTERRUPT 0xF0

#define	APIC_REGISTER_OFFSET_EOI 0xB0

#define	APIC_REGISTER_OFFSET_ISR0 0x100

#define	APIC_REGISTER_OFFSET_TIMER_LVT 0x320

#define	APIC_REGISTER_OFFSET_TIMER_INITIAL_VALUE 0x380

#define	APIC_REGISTER_OFFSET_TIMER_CURRENT_VALUE 0x390

#define	APIC_REGISTER_OFFSET_TIMER_DIVIDER 0x3E0

#define	APIC_REGISTER_OFFSET_LINT0_LVT 0x350

#define	APIC_REGISTER_OFFSET_LINT1_LVT 0x360

#define	APIC_REGISTER_OFFSET_ICR_LOW 0x300

#define	APIC_REGISTER_OFFSET_ICR_HIGH 0x310

#define	APIC_X2APIC_MSR_APICID 0x802

#define	APIC_X2APIC_MSR_VERSION 0x803

#define	APIC_X2APIC_MSR_TPR 0x808

#define	APIC_X2APIC_MSR_PPR 0x80A

#define	APIC_X2APIC_MSR_EOI 0x80B

#define	APIC_X2APIC_MSR_LDR 0x80D

#define	APIC_X2APIC_MSR_SIVR 0x80F

#define	APIC_X2APIC_MSR_ISR0 0x810

#define	APIC_X2APIC_MSR_ISR1 0x811

#define	APIC_X2APIC_MSR_ISR2 0x812

#define	APIC_X2APIC_MSR_ISR3 0x813

#define	APIC_X2APIC_MSR_ISR4 0x814

#define	APIC_X2APIC_MSR_ISR5 0x815

#define	APIC_X2APIC_MSR_ISR6 0x816

#define	APIC_X2APIC_MSR_ISR7 0x817

#define	APIC_X2APIC_MSR_TMR0 0x818

#define	APIC_X2APIC_MSR_TMR1 0x819

#define	APIC_X2APIC_MSR_TMR2 0x81A

#define	APIC_X2APIC_MSR_TMR3 0x81B

#define	APIC_X2APIC_MSR_TMR4 0x81C

#define	APIC_X2APIC_MSR_TMR5 0x81D

#define	APIC_X2APIC_MSR_TMR6 0x81E

#define	APIC_X2APIC_MSR_TMR7 0x81F

#define	APIC_X2APIC_MSR_IRR0 0x820

#define	APIC_X2APIC_MSR_IRR1 0x821

#define	APIC_X2APIC_MSR_IRR2 0x822

#define	APIC_X2APIC_MSR_IRR3 0x823

#define	APIC_X2APIC_MSR_IRR4 0x824

#define	APIC_X2APIC_MSR_IRR5 0x825

#define	APIC_X2APIC_MSR_IRR6 0x826

#define	APIC_X2APIC_MSR_IRR7 0x827

#define	APIC_X2APIC_MSR_ESR 0x828

#define	APIC_X2APIC_MSR_LVT_CMCI 0x82F

#define	APIC_X2APIC_MSR_ICR 0x830

#define	APIC_X2APIC_MSR_LVT_TIMER 0x832

#define	APIC_X2APIC_MSR_LVT_THERMAL 0x833

#define	APIC_X2APIC_MSR_LVT_PMI 0x834

#define	APIC_X2APIC_MSR_LVT_LINT0 0x835

#define	APIC_X2APIC_MSR_LVT_LINT1 0x836

#define	APIC_X2APIC_MSR_LVT_ERROR 0x837

#define	APIC_X2APIC_MSR_TIMER_INITIAL_VALUE 0x838

#define	APIC_X2APIC_MSR_TIMER_CURRENT_VALUE 0x839

#define	APIC_X2APIC_MSR_TIMER_DIVIDER 0x83E

#define	APIC_X2APIC_MSR_SELF_IPI 0x83F

#define	APIC_ICR_DESTINATION_MODE_PHYSICAL (0 << 11)

#define	APIC_ICR_DESTINATION_MODE_LOGICAL (1 << 11)

#define	APIC_ICR_DELIVERY_MODE_FIXED (0 << 8)

#define	APIC_ICR_DELIVERY_MODE_LOWEST_PRIORITY (1 << 8)

#define	APIC_ICR_DELIVERY_MODE_SMI (2 << 8)

#define	APIC_ICR_DELIVERY_MODE_NMI (4 << 8)

#define	APIC_ICR_DELIVERY_MODE_INIT (5 << 8)

#define	APIC_ICR_DELIVERY_MODE_STARTUP (6 << 8)

#define	APIC_ICR_DELIVERY_MODE_EXTERNAL_INT (7 << 8)

#define	APIC_ICR_DELIVERY_STATUS_IDLE (0 << 12)

#define	APIC_ICR_DELIVERY_STATUS_SEND_PENDING (1 << 12)

#define	APIC_ICR_LEVEL_ASSERT (1 << 14)

#define	APIC_ICR_LEVEL_DEASSERT (0 << 14)

#define	APIC_ICR_TRIGGER_MODE_EDGE (0 << 15)

#define	APIC_ICR_TRIGGER_MODE_LEVEL (1 << 15)

#define	APIC_ICR_DESTINATION_SHORTHAND_NONE (0 << 18)

#define	APIC_ICR_DESTINATION_SHORTHAND_SELF (1 << 18)

#define	APIC_ICR_DESTINATION_SHORTHAND_ALL (2 << 18)

#define	APIC_ICR_DESTINATION_SHORTHAND_ALL_BUT_SELF (3 << 18)

#define	APIC_ICR_DESTINATION_SHIFT 24

#define	APIC_IOAPIC_REGISTER_IDENTIFICATION 0x00

#define	APIC_IOAPIC_REGISTER_VERSION 0x01

#define	APIC_IOAPIC_REGISTER_ARBITRATION 0x02

#define	APIC_IOAPIC_REGISTER_IRQ_BASE 0x10

#define	APIC_IOAPIC_DELIVERY_MODE_FIXED (0 << 8)

#define	APIC_IOAPIC_DELIVERY_MODE_LOWEST_PRIORITY (1 << 8)

#define	APIC_IOAPIC_DELIVERY_MODE_SMI (2 << 8)

#define	APIC_IOAPIC_DELIVERY_MODE_NMI (4 << 8)

#define	APIC_IOAPIC_DELIVERY_MODE_INIT (5 << 8)

#define	APIC_IOAPIC_DELIVERY_MODE_EXTERNAL_INT (7 << 8)

#define	APIC_IOAPIC_DESTINATION_MODE_PHYSICAL (0 << 11)

#define	APIC_IOAPIC_DESTINATION_MODE_LOGICAL (1 << 11)

#define	APIC_IOAPIC_DELIVERY_STATUS_RELAX (0 << 12)

#define	APIC_IOAPIC_DELIVERY_STATUS_WAITING (1 << 12)

#define	APIC_IOAPIC_PIN_POLARITY_ACTIVE_HIGH (0 << 13)

#define	APIC_IOAPIC_PIN_POLARITY_ACTIVE_LOW (1 << 13)

#define	APIC_IOAPIC_TRIGGER_MODE_EDGE (0 << 15)

#define	APIC_IOAPIC_TRIGGER_MODE_LEVEL (1 << 15)

#define	APIC_IOAPIC_INTERRUPT_ENABLED (0 << 16)

#define	APIC_IOAPIC_INTERRUPT_DISABLED (1 << 16)

#define	APIC_INTERRUPT_ENABLED APIC_IOAPIC_INTERRUPT_ENABLED

#define	APIC_INTERRUPT_DISABLED APIC_IOAPIC_INTERRUPT_DISABLED

#define	APIC_TIMER_ONESHOT (0 << 17)

#define	APIC_TIMER_PERIODIC (1 << 17)

#define	APIC_TIMER_TSC_DEADLINE (2 << 17)

#define	APIC_IOAPIC_MAX_REDIRECTION_ENTRY(r) (((r >> 16) & 0xFF) + 1)

#define	apic_ioapic_enable_irq(irq) apic_ioapic_switch_irq(irq, 0)

#define	apic_ioapic_disable_irq(irq) apic_ioapic_switch_irq(irq, 1)

Typedefs
typedef struct apic_ioapic_register_t	apic_ioapic_register_t

typedef struct apic_register_spurious_interrupt_t	apic_register_spurious_interrupt_t

typedef struct apic_lintv_t	apic_lintv_t

Functions
int8_t	apic_setup (acpi_xrsdp_descriptor_t *desc)

int8_t	apic_init_apic (list_t *apic_entries)

int8_t	apic_ioapic_setup_irq (uint8_t irq, uint32_t props)

int8_t	apic_ioapic_switch_irq (uint8_t irq, uint32_t disabled)

uint8_t	apic_get_irq_override (uint8_t old_irq)

void	apic_eoi (void)

uint32_t	apic_get_local_apic_id (void)
	dummy method for efi for getting local apic id. More...

void	apic_send_ipi (uint8_t destination, uint8_t vector, boolean_t wait)

void	apic_send_init (uint8_t destination)

void	apic_send_sipi (uint8_t destination, uint8_t vector)

void	apic_send_nmi (uint8_t destination)

void	apic_enable_lapic (void)

uint8_t	apic_configure_lapic (void)

uint64_t	apic_get_ap_count (void)

boolean_t	apic_is_waiting_timer (void)

Detailed Description

apic and ioapic interface

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

Macro Definition Documentation

◆ ___APIC_H

#define ___APIC_H 0

prevent duplicate header error macro

Function Documentation

◆ apic_get_local_apic_id()

uint32_t apic_get_local_apic_id ( void )

dummy method for efi for getting local apic id.

this method is not required for efi however is required for linking.

Returns: 0

Classes

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

◆ ___APIC_H

Function Documentation

◆ apic_get_local_apic_id()