acpi.c File Reference

#include <miniOS/arch/x86_64/smp.h>
#include <miniOS/arch/x86_64/apic.h>
#include <miniOS/mm/vmm.h>
#include <miniOS/io.h>

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Classes
struct	acpi_rsdp
struct	acpi_rsdp_v2
struct	acpi_sdt_header
struct	acpi_madt
struct	madt_entry_hdr
struct	madt_lapic_entry

Macros
#define	MADT_TYPE_LAPIC   0
#define	MADT_LAPIC_FLAG_ENABLED   (1 << 0)
#define	MADT_LAPIC_FLAG_ONLINE_CAPABLE   (1 << 1)

Functions
struct acpi_rsdp	__attribute__ ((packed))
static int	sig8_match (const char *a, const char *b)
static int	sig4_match (const char *a, const char *b)
static void	parse_madt (struct acpi_madt *madt)
static struct acpi_madt *	find_madt_in_rsdt (uint32_t rsdt_phys)
static struct acpi_madt *	find_madt_in_xsdt (uint64_t xsdt_phys)
static struct acpi_madt *	madt_from_rsdp (struct acpi_rsdp *rsdp)
void	acpi_find_madt (uint64_t mb_info_phys)
	Parse ACPI MADT and populate smp_lapic_ids[]/smp_cpu_count.

Variables
uint32_t	smp_cpu_count = 0
uint8_t	smp_lapic_ids [MAX_CPUS] = {0}
char	signature [8]
uint8_t	checksum
char	oem_id [6]
uint8_t	revision
uint32_t	rsdt_phys
struct acpi_rsdp	v1
uint32_t	length
uint64_t	xsdt_phys
uint8_t	ext_checksum
uint8_t	reserved [3]
char	oem_table_id [8]
uint32_t	oem_revision
uint32_t	creator_id
uint32_t	creator_revision
struct acpi_sdt_header	hdr
uint32_t	lapic_phys
uint32_t	flags
uint8_t	type
uint8_t	acpi_proc_id
uint8_t	apic_id

Macro Definition Documentation

MADT_LAPIC_FLAG_ENABLED

#define MADT_LAPIC_FLAG_ENABLED   (1 << 0)

MADT_LAPIC_FLAG_ONLINE_CAPABLE

#define MADT_LAPIC_FLAG_ONLINE_CAPABLE   (1 << 1)

MADT_TYPE_LAPIC

#define MADT_TYPE_LAPIC   0

Function Documentation

__attribute__()

struct acpi_rsdp __attribute__

(

(packed)

)

find_madt_in_rsdt()

struct acpi_madt * find_madt_in_rsdt ( uint32_t rsdt_phys )

static

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find_madt_in_xsdt()

struct acpi_madt * find_madt_in_xsdt ( uint64_t xsdt_phys )

static

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madt_from_rsdp()

struct acpi_madt * madt_from_rsdp ( struct acpi_rsdp * rsdp )

static

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parse_madt()

void parse_madt ( struct acpi_madt * madt )

static

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sig4_match()

int sig4_match ( const char * a, const char * b )

static

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sig8_match()

int sig8_match ( const char * a, const char * b )

static

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Variable Documentation

acpi_proc_id

uint8_t acpi_proc_id

apic_id

uint8_t apic_id

checksum

uint8_t checksum

creator_id

uint32_t creator_id

creator_revision

uint32_t creator_revision

ext_checksum

uint8_t ext_checksum

flags

uint32_t flags

hdr

struct madt_entry_hdr hdr

lapic_phys

uint32_t lapic_phys

length

uint8_t length

oem_id

char oem_id

oem_revision

uint32_t oem_revision

oem_table_id

char oem_table_id[8]

reserved

uint8_t reserved[3]

revision

uint8_t revision

rsdt_phys

uint32_t rsdt_phys

signature

char signature

type

uint8_t type

v1

struct acpi_rsdp v1

xsdt_phys

uint64_t xsdt_phys