acpi.h File Reference

#include <kernel.h>

Data Structures
struct	rsdp_t
	ACPI Root System Description Pointer (RSDP) More...
struct	sdt_header_t
	System Description Table Header. More...
struct	rsdt_t
	Root System Description Table. More...
struct	ioapic_t
	Definition of an IOAPIC. More...

Functions
struct rsdp_t	__attribute__ ((packed)) rsdp_t
	ACPI Root System Description Pointer (RSDP) More...
void	init_cores ()
	Detect SMP cores, IOAPICs, Local APICs. More...
uint8_t *	get_lapic_ids ()
	Get the local apic ids. More...
uint16_t	get_cpu_count ()
	Get the cpu count. More...
uint64_t	get_local_apic ()
	Get the local apic. More...
ioapic_t	get_ioapic (uint16_t index)
	Get the ioapic. More...
uint16_t	get_ioapic_count ()
	Get the ioapic count. More...

Variables
char	signature [8]
uint8_t	checksum
char	oem_id [6]
uint8_t	revision
uint32_t	rsdt_address
uint32_t	length
uint64_t	xsdt_address
uint8_t	extended_checksum
uint8_t	reserved [3]
char	oem_table_id [8]
uint32_t	oem_revision
uint32_t	creator_id
uint32_t	creator_revision
sdt_header_t	header
uint32_t	pointer_to_other_sdt []

Detailed Description

Author

Craig Edwards (craig.nosp@m.edwa.nosp@m.rds@b.nosp@m.rain.nosp@m.box.c.nosp@m.c)

Copyright

Copyright (c) 2012-2023

Function Documentation

__attribute__()

struct rsdp_t __attribute__

(

(packed)

)

ACPI Root System Description Pointer (RSDP)

Root System Description Table.

System Description Table Header.

get_cpu_count()

uint16_t get_cpu_count

(

)

Get the cpu count.

Returns

uint16_t

get_ioapic()

ioapic_t get_ioapic

(

uint16_t

index

)

Get the ioapic.

Parameters

index

IOAPIC index

Returns

ioapic_t

get_ioapic_count()

uint16_t get_ioapic_count

(

)

Get the ioapic count.

Returns

uint16_t total number of IOAPICs

get_lapic_ids()

uint8_t* get_lapic_ids

(

)

Get the local apic ids.

Returns

uint8_t*

get_local_apic()

uint64_t get_local_apic

(

)

Get the local apic.

Returns

uint64_t

init_cores()

void init_cores

(

)

Detect SMP cores, IOAPICs, Local APICs.

Variable Documentation

checksum

uint16_t checksum

creator_id

uint32_t creator_id

creator_revision

uint32_t creator_revision

extended_checksum

uint8_t extended_checksum

header

sdt_header_t header

length

volatile uint16_t length

oem_id

char oem_id

oem_revision

uint32_t oem_revision

oem_table_id

char oem_table_id[8]

pointer_to_other_sdt

uint32_t pointer_to_other_sdt[]

reserved

uint16_t reserved

revision

uint8_t revision

rsdt_address

uint32_t rsdt_address

signature

char signature

xsdt_address

uint64_t xsdt_address