hpet.h File Reference

#include <type.h>

Go to the source code of this file.

Data Structures
struct	address_structure
struct	description_table_header
struct	hpet

Macros
#define	HPET_GENERAL_CAP_ID   0x0
#define	HPET_GENERAL_CONFIG   0x10
#define	HPET_ENABLE_CNF   0x1
#define	HPET_MAIN_COUNT   0x0F0
#define	HPET_TIMER_CONFIG(N)
#define	HPET_TIMER_COMPARATOR(N)
#define	ms2ns(ms)
#define	us2ns(us)
#define	ns2ms(x)

Functions
struct address_structure	__attribute__ ((packed))
void	vxHPETInitialize (uintptr_t addr)
void	hpet_level_timer_setup (uint32_t n, uint64_t tick_count, int irq)
uint64_t	vxHPETMinTickNs (void)
void	hpet_enable ()
void	hpet_disable ()
uint64_t	vxHPETGetMainCount ()
void	vxHPETSleep (uint64_t ns)
boolean_t	vxHPETIsAvailable ()

Variables
uint8_t	address_space_id
uint8_t	register_bit_width
uint8_t	register_bit_offset
uint8_t	reserved
uint64_t	address
char	signature [4]
uint32_t	length
uint8_t	revision
uint8_t	checksum
char	oemid [6]
uint64_t	oem_tableid
uint32_t	oem_revision
uint32_t	creator_id
uint32_t	creator_revision
struct description_table_header	header
uint8_t	hardware_rev_id
uint8_t	comparator_count
uint8_t	counter_size
uint8_t	legacy_replacement
uint16_t	pci_vendor_id
uint8_t	hpet_number
uint16_t	minimum_tick
uint8_t	page_protection

Macro Definition Documentation

HPET_ENABLE_CNF

#define HPET_ENABLE_CNF   0x1

Definition at line 8 of file hpet.h.

HPET_GENERAL_CAP_ID

#define HPET_GENERAL_CAP_ID   0x0

Definition at line 6 of file hpet.h.

Referenced by vxHPETInitialize(), and vxHPETMinTickNs().

HPET_GENERAL_CONFIG

#define HPET_GENERAL_CONFIG   0x10

Definition at line 7 of file hpet.h.

Referenced by hpet_disable(), and hpet_enable().

HPET_MAIN_COUNT

#define HPET_MAIN_COUNT   0x0F0

Definition at line 9 of file hpet.h.

Referenced by vxHPETGetMainCount(), and vxHPETInitialize().

HPET_TIMER_COMPARATOR

#define HPET_TIMER_COMPARATOR

(

N

)

Value:

0x108 + N * 0x20

Definition at line 11 of file hpet.h.

Referenced by hpet_level_timer_setup().

HPET_TIMER_CONFIG

#define HPET_TIMER_CONFIG

(

N

)

Value:

0x100 + N * 0x20

Definition at line 10 of file hpet.h.

Referenced by hpet_level_timer_setup().

ms2ns

#define ms2ns

(

ms

)

Value:

((uint64_t) (ms) * 1000000ULL)

Definition at line 12 of file hpet.h.

Referenced by sipi_sequential(), and wait_until_receive_notify().

ns2ms

#define ns2ms

(

x

)

Value:

(x) / 1000000

Definition at line 14 of file hpet.h.

Referenced by get_timer_counter_count_ms(), and vxSchedulerTick().

us2ns

#define us2ns

(

us

)

Value:

((uint64_t) (us) * 1000ULL)

Definition at line 13 of file hpet.h.

Referenced by INIT().

Function Documentation

__attribute__()

struct address_structure __attribute__

(

(packed)

)

Definition at line 1 of file tcp.h.

hpet_disable()

void hpet_disable

(

)

Definition at line 32 of file hpet.c.

References HPET_GENERAL_CONFIG, and hpet_write().

Referenced by vxAPICTimerCalibrationUsingHPET(), and vxHPETInitialize().

hpet_enable()

void hpet_enable

(

)

Definition at line 26 of file hpet.c.

References HPET_GENERAL_CONFIG, hpet_read(), and hpet_write().

Referenced by vxAPICTimerCalibrationUsingHPET(), and vxHPETInitialize().

hpet_level_timer_setup()

void hpet_level_timer_setup	(	uint32_t	n,
		uint64_t	tick_count,
		int	irq )

Definition at line 42 of file hpet.c.

References cap, hpet_read(), HPET_TIMER_COMPARATOR, HPET_TIMER_CONFIG, hpet_write(), and LOG2_ERROR.

vxHPETGetMainCount()

uint64_t vxHPETGetMainCount

(

)

Definition at line 82 of file hpet.c.

References HPET_MAIN_COUNT, and hpet_read().

Referenced by get_timer_counter_count(), get_timer_counter_count_ms(), init_timer_counter(), vxHPETSleep(), vxRand(), and vxSchedulerTick().

vxHPETInitialize()

void vxHPETInitialize

(

uintptr_t

addr

)

Definition at line 54 of file hpet.c.

References acpi_map_phys_page(), addr, cap, hpet_address, hpet_available, hpet_disable(), hpet_enable(), HPET_GENERAL_CAP_ID, HPET_MAIN_COUNT, hpet_read(), hpet_write(), LOG2_INFO, memcopy(), min_tick_ns, strncmp(), and table.

Referenced by __attribute__().

vxHPETIsAvailable()

boolean_t vxHPETIsAvailable

(

)

Definition at line 14 of file hpet.c.

References hpet_available.

Referenced by usleep(), and vxRand().

vxHPETMinTickNs()

uint64_t vxHPETMinTickNs

(

void

)

Definition at line 36 of file hpet.c.

References HPET_GENERAL_CAP_ID, and hpet_read().

Referenced by get_timer_counter_count_ms(), and get_timer_counter_count_ns().

vxHPETSleep()

void vxHPETSleep

(

uint64_t

ns

)

Definition at line 86 of file hpet.c.

References hpet_available, min_tick_ns, and vxHPETGetMainCount().

Referenced by INIT(), sipi_sequential(), and usleep().

Variable Documentation

address

struct address_structure address

Definition at line 4 of file hpet.h.

Referenced by EHCIModule::assign_address(), pci_readl(), pci_writel(), and EHCIModule::unload().

address_space_id

uint8_t address_space_id

Definition at line 0 of file hpet.h.

checksum

uint16_t checksum

Definition at line 3 of file hpet.h.

Referenced by __attribute__().

comparator_count

uint8_t comparator_count

Definition at line 2 of file hpet.h.

counter_size

uint8_t counter_size

Definition at line 3 of file hpet.h.

creator_id

uint32_t creator_id

Definition at line 7 of file hpet.h.

creator_revision

uint32_t creator_revision

Definition at line 8 of file hpet.h.

hardware_rev_id

uint8_t hardware_rev_id

Definition at line 1 of file hpet.h.

header

struct description_table_header header

Definition at line 0 of file hpet.h.

hpet_number

uint8_t hpet_number

Definition at line 8 of file hpet.h.

legacy_replacement

uint8_t legacy_replacement

Definition at line 5 of file hpet.h.

length

uint32_t length

Definition at line 1 of file hpet.h.

minimum_tick

uint16_t minimum_tick

Definition at line 9 of file hpet.h.

oem_revision

uint32_t oem_revision

Definition at line 6 of file hpet.h.

oem_tableid

uint64_t oem_tableid

Definition at line 5 of file hpet.h.

oemid

char oemid[6]

Definition at line 4 of file hpet.h.

page_protection

uint8_t page_protection

Definition at line 10 of file hpet.h.

pci_vendor_id

uint16_t pci_vendor_id

Definition at line 6 of file hpet.h.

register_bit_offset

uint8_t register_bit_offset

Definition at line 2 of file hpet.h.

register_bit_width

uint8_t register_bit_width

Definition at line 1 of file hpet.h.

reserved

uint8_t reserved

Definition at line 3 of file hpet.h.

revision

uint8_t revision

Definition at line 2 of file hpet.h.

signature

char signature[4]

Definition at line 0 of file hpet.h.