Turnstone Operating System
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Classes | Macros | Typedefs | Functions
apic.h File Reference

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_VERSION   0x30
 
#define APIC_REGISTER_OFFSET_DFR   0xE0
 
#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_TERMAL_SENSOR_LVT   0x330
 
#define APIC_REGISTER_OFFSET_PERF_COUNTER_LVT   0x340
 
#define APIC_REGISTER_OFFSET_LINT0_LVT   0x350
 
#define APIC_REGISTER_OFFSET_LINT1_LVT   0x360
 
#define APIC_REGISTER_OFFSET_ERROR_LVT   0x370
 
#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_ISR0   0x100
 
#define APIC_REGISTER_OFFSET_ISR1   0x110
 
#define APIC_REGISTER_OFFSET_ISR2   0x120
 
#define APIC_REGISTER_OFFSET_ISR3   0x130
 
#define APIC_REGISTER_OFFSET_ISR4   0x140
 
#define APIC_REGISTER_OFFSET_ISR5   0x150
 
#define APIC_REGISTER_OFFSET_ISR6   0x160
 
#define APIC_REGISTER_OFFSET_ISR7   0x170
 
#define APIC_REGISTER_OFFSET_IRR0   0x200
 
#define APIC_REGISTER_OFFSET_IRR1   0x210
 
#define APIC_REGISTER_OFFSET_IRR2   0x220
 
#define APIC_REGISTER_OFFSET_IRR3   0x230
 
#define APIC_REGISTER_OFFSET_IRR4   0x240
 
#define APIC_REGISTER_OFFSET_IRR5   0x250
 
#define APIC_REGISTER_OFFSET_IRR6   0x260
 
#define APIC_REGISTER_OFFSET_IRR7   0x270
 
#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_X2APIC_MSR_EXTENDED_APIC_CONTROL   0x841
 
#define APIC_X2APIC_MSR_SEOI   0x842
 
#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)
 
#define apic_ioapic_enable_irq(irq)
 
#define apic_ioapic_disable_irq(irq)
 

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.
 
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)
 
int32_t apic_get_first_irr_interrupt (void)
 
int32_t apic_get_isr_interrupt (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

◆ apic_ioapic_disable_irq

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

◆ apic_ioapic_enable_irq

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

◆ APIC_IOAPIC_MAX_REDIRECTION_ENTRY

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

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