ACPI Tables

Data Structures
struct	FADT
	The ACPI FADT. More...
struct	MADT
	The MADT. More...
struct	MADT_EntryHeader
	Header for an entry in the MADT. More...
struct	MADT_EntryLAPIC
	A Local APIC entry in the MADT. More...
struct	MADT_EntryIOAPIC
	An IO APIC entry in the MADT. More...
struct	MADT_EntryISAOVR
	An ISA override entry in the MADT. More...
struct	MADT_EntryIOAPIC_NMI
	An IO APIC Non-Maskable Interrupt mapping entry in the MADT. More...
struct	MADT_EntryAPIC_NMI
	A Local APIC Non-Maskable Interrupt mapping entry in the MADT. More...
struct	MCFG_Entry
	An entry in the MCFG table. More...
struct	MCFG
	The MCFG table. More...
struct	RSDPDescriptor
	RSDT pointer Table. More...
struct	RSDPDescriptor20
	XSDT pointer Table. More...
struct	ACPISDTHeader
	ACPI Section Descriptor Table header. More...
struct	XSDT
	XSDT Table. More...
struct	RSDT
	RSDT Table. More...
struct	GenericAddressStructure
	Generic ACPI Address structure. More...
struct	pci_vendor_t
struct	pci_device_t
struct	pci_baseclass_t
struct	pci_subclass_t

Macros
#define	MADT_SIG   "APIC"
	MADT. More...
#define	FADT_SIG   "FACP"
	FADT. More...
#define	HPET_SIG   "HPET"
	HPET Table. More...
#define	MCFG_SIG   "MCFG"
	MCFG Table. More...
#define	MADT_LAPIC_ENTRY_TYPE   0
	The type ID describing a Local APIC entry. More...
#define	MADT_IOAPIC_ENTRY_TYPE   1
	The type ID describing an IO APIC entry. More...
#define	MADT_ISAOVER_ENTRY_TYPE   2
	The type ID describing an ISA override entry. More...
#define	MADT_IOAPIC_NMI_ENTRY_TYPE   3
	The type ID describing an IO APIC NMI mapping entry. More...
#define	MADT_APIC_NMI_ENTRY_TYPE   4
	The type ID describing a Local APIC NMI mapping entry. More...
#define	RSDP_EXPECTED_SIG   "RSD PTR "
#define	ACPI_VERSION_1   0
#define	ACPI_VERSION_2   1
#define	XSDT_GET_POINTER_COUNT(h)   ((h.Length - sizeof(h)) / 8)
#define	RSDT_GET_POINTER_COUNT(h)   ((h.Length - sizeof(h)) / 4)
#define	BIOS_SEARCH_START   0x000E0000
#define	BIOS_SEARCH_END   0x000FFFFF

Functions
uint8_t	ACPITables_Initialize (void)
	Initialize the ACPITables driver. More...
void *	ACPITables_FindTable (const char *table_name, int index)
	Search for an ACPI table with the given name. More...
uint8_t	ACPITables_ValidateChecksum (ACPISDTHeader *header)

Variables
RSDPDescriptor20 *	rsdp

Detailed Description

Macro Definition Documentation

#define ACPI_VERSION_1   0

#define ACPI_VERSION_2   1

#define BIOS_SEARCH_END   0x000FFFFF

#define BIOS_SEARCH_START   0x000E0000

#define FADT_SIG   "FACP"

FADT.

#define HPET_SIG   "HPET"

HPET Table.

#define MADT_APIC_NMI_ENTRY_TYPE   4

The type ID describing a Local APIC NMI mapping entry.

#define MADT_IOAPIC_ENTRY_TYPE   1

The type ID describing an IO APIC entry.

#define MADT_IOAPIC_NMI_ENTRY_TYPE   3

The type ID describing an IO APIC NMI mapping entry.

#define MADT_ISAOVER_ENTRY_TYPE   2

The type ID describing an ISA override entry.

#define MADT_LAPIC_ENTRY_TYPE   0

The type ID describing a Local APIC entry.

#define MADT_SIG   "APIC"

MADT.

#define MCFG_SIG   "MCFG"

MCFG Table.

#define RSDP_EXPECTED_SIG   "RSD PTR "

#define RSDT_GET_POINTER_COUNT

(

h

)

((h.Length - sizeof(h)) / 4)

#define XSDT_GET_POINTER_COUNT

(

h

)

((h.Length - sizeof(h)) / 8)

Function Documentation

void* ACPITables_FindTable	(	const char *	table_name,
		int	index
	)

Search for an ACPI table with the given name.

Parameters

table_name	The name of the table to search for
index	The instance of the table to search for

Returns

The physical address of the table on success, NULL on failure

uint8_t ACPITables_Initialize

(

void

)

Initialize the ACPITables driver.

Returns

ACPI version on success, 0xFF on failure

uint8_t ACPITables_ValidateChecksum

(

ACPISDTHeader *

header

)

Variable Documentation

RSDPDescriptor20* rsdp