acpi.c File Reference

(29312b1 fbconsole, panic: render panic after framebuffer was given to userspace - without clearing screen contents)

#include <log.h>
#include <acpi.h>
#include <hpet.h>
#include <string.h>
#include <vm.h>

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Data Structures
struct	acpi_rsdp
struct	acpi_rsdt
struct	acpi_xsdt

Functions
struct acpi_rsdp	__attribute__ ((packed))
static void	acpi_process_table (struct acpi_table_header *table)
static void	init_acpi_rsdp (void *rsdp_ptr)
void	init_acpi_efi (EFI_SYSTEM_TABLE *efiST)
uint8_t	acpi_checksum (void *data, size_t len)

Variables
char	signature [8]
uint8_t	checksum
char	oem_id [6]
uint8_t	revision
uint32_t	rsdt_ptr
uint32_t	length
uint64_t	xsdt_ptr
uint8_t	extended_checksum
uint8_t	_reserved [3]
struct acpi_table_header	header
uint32_t	entry_ptr [0]
static EFI_GUID	efi_acpi_table_guid = EFI_ACPI_TABLE_GUID

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Data Structure Documentation

acpi_rsdp

struct acpi_rsdp

Definition at line 7 of file acpi.c.

Collaboration diagram for acpi_rsdp:

Data Fields
uint8_t	_reserved[3]
uint8_t	checksum
uint8_t	extended_checksum
uint32_t	length
char	oem_id[6]
uint8_t	revision
uint32_t	rsdt_ptr
char	signature[8]
uint64_t	xsdt_ptr

acpi_rsdt

struct acpi_rsdt

Definition at line 19 of file acpi.c.

Collaboration diagram for acpi_rsdt:

Data Fields
uint32_t	entry_ptr[0]
struct acpi_table_header	header

acpi_xsdt

struct acpi_xsdt

Definition at line 24 of file acpi.c.

Collaboration diagram for acpi_xsdt:

Data Fields
uint64_t	entry_ptr[0]
struct acpi_table_header	header

Function Documentation

__attribute__()

struct acpi_rsdp __attribute__

(

(packed)

)

Definition at line 28 of file hpet.c.

acpi_checksum()

uint8_t acpi_checksum	(	void *	data,
		size_t	len
	)

Definition at line 147 of file acpi.c.

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acpi_process_table()

static void acpi_process_table ( struct acpi_table_header *  table )

static

Definition at line 29 of file acpi.c.

References acpi_checksum(), acpi_table_header::asl_compiler_id, acpi_table_header::asl_compiler_revision, init_hpet(), length, acpi_table_header::length, logd, loge, memcmp(), memcpy(), oem, acpi_table_header::oem_id, oem_revision, acpi_table_header::oem_revision, acpi_table_header::oem_table_id, revision, acpi_table_header::revision, acpi_table_header::signature, and signature.

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init_acpi_efi()

void init_acpi_efi

(

EFI_SYSTEM_TABLE *

efiST

)

Definition at line 136 of file acpi.c.

References ALLOCATOR_REGION_DIRECT_MAPPING, efi_acpi_table_guid, init_acpi_rsdp(), logi, and memcmp().

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init_acpi_rsdp()

static void init_acpi_rsdp ( void *  rsdp_ptr )

static

Definition at line 70 of file acpi.c.

References acpi_checksum(), acpi_process_table(), ALLOCATOR_REGION_DIRECT_MAPPING, acpi_rsdt::entry_ptr, acpi_xsdt::entry_ptr, acpi_rsdt::header, acpi_xsdt::header, length, acpi_rsdp::length, acpi_table_header::length, logd, loge, memcpy(), oem, acpi_rsdp::oem_id, revision, acpi_rsdp::revision, acpi_rsdp::rsdt_ptr, signature, acpi_rsdp::signature, and acpi_rsdp::xsdt_ptr.

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Variable Documentation

_reserved

uint8_t _reserved[3]

Definition at line 8 of file acpi.c.

checksum

uint8_t checksum

Definition at line 1 of file acpi.c.

efi_acpi_table_guid

EFI_GUID efi_acpi_table_guid = EFI_ACPI_TABLE_GUID

static

Definition at line 134 of file acpi.c.

entry_ptr

uint64_t entry_ptr

Definition at line 1 of file acpi.c.

extended_checksum

uint8_t extended_checksum

Definition at line 7 of file acpi.c.

header

struct acpi_table_header header

Definition at line 0 of file acpi.c.

length

uint32_t length

Definition at line 5 of file acpi.c.

oem_id

char oem_id[6]

Definition at line 2 of file acpi.c.

revision

uint8_t revision

Definition at line 3 of file acpi.c.

rsdt_ptr

uint32_t rsdt_ptr

Definition at line 4 of file acpi.c.

signature

char signature[8]

Definition at line 0 of file acpi.c.

xsdt_ptr

uint64_t xsdt_ptr

Definition at line 6 of file acpi.c.