apic.h File Reference

#include <type.h>

Go to the source code of this file.

Macros
#define	APIC_TPR   0x80
#define	APIC_DFR   0xE0
#define	APIC_LDR   0xD0
#define	APIC_SVR   0xF0
#define	APIC_EOI   0xB0
#define	APIC_ICR_LOW   0x300
#define	APIC_ICR_HIGH   0x310
#define	APIC_LOGIC_DEST   0xD0
#define	APIC_ARBITATION_PRIOR   0x090
#define	APIC_IRR   0x200
#define	APIC_IEA   0x480
#define	LVT_TIMER   0x320
#define	TIMER_INITIAL_COUNT   0x380
#define	TIMER_DIVIDE_CONFIG   0x3E0
#define	TIMER_CURRENT_COUNT   0x390
#define	APIC_TIMER_PERIOD   (1 << 17)
#define	APIC_TIMER_ONE_SHOT   (0 << 17)
#define	APIC_TIMER_DEADLINE   (2 << 17)
#define	APIC_LVT_TMR   0x0320
#define	APIC_LVT_PERF   0x0340
#define	APIC_LVT_LINT0   0x0350
#define	APIC_LVT_LINT1   0x0360
#define	APIC_LVT_ERR   0x0370
#define	APIC_ESR   0x0280

Functions
void	apicInitialize ()
void	apic_eoi ()
void	apic_write (uint32_t reg, uint32_t value)
uint32_t	apic_read (uint32_t reg)
void	apic_send_ipi (uint8_t vector, uint8_t dest)
void	vxAPICCreateTimer (uint32_t type, uint64_t freq_us, uint16_t vector)
void	vxAPICCreateDeadlineTimer (const uint8_t vector, const uint64_t freq_us)
bool	vxTSChasInvariant (void)

Macro Definition Documentation

APIC_ARBITATION_PRIOR

#define APIC_ARBITATION_PRIOR   0x090

Definition at line 14 of file apic.h.

APIC_DFR

#define APIC_DFR   0xE0

Definition at line 7 of file apic.h.

Referenced by apicInitialize().

APIC_EOI

#define APIC_EOI   0xB0

Definition at line 10 of file apic.h.

Referenced by apic_eoi(), and apicInitialize().

APIC_ESR

#define APIC_ESR   0x0280

Definition at line 30 of file apic.h.

Referenced by apicInitialize().

APIC_ICR_HIGH

#define APIC_ICR_HIGH   0x310

Definition at line 12 of file apic.h.

Referenced by apic_send_ipi(), and sipi_sequential().

APIC_ICR_LOW

#define APIC_ICR_LOW   0x300

Definition at line 11 of file apic.h.

Referenced by apic_send_ipi(), and sipi_sequential().

APIC_IEA

#define APIC_IEA   0x480

Definition at line 16 of file apic.h.

APIC_IRR

#define APIC_IRR   0x200

Definition at line 15 of file apic.h.

APIC_LDR

#define APIC_LDR   0xD0

Definition at line 8 of file apic.h.

APIC_LOGIC_DEST

#define APIC_LOGIC_DEST   0xD0

Definition at line 13 of file apic.h.

APIC_LVT_ERR

#define APIC_LVT_ERR   0x0370

Definition at line 29 of file apic.h.

Referenced by apicInitialize().

APIC_LVT_LINT0

#define APIC_LVT_LINT0   0x0350

Definition at line 27 of file apic.h.

Referenced by apicInitialize().

APIC_LVT_LINT1

#define APIC_LVT_LINT1   0x0360

Definition at line 28 of file apic.h.

Referenced by apicInitialize().

APIC_LVT_PERF

#define APIC_LVT_PERF   0x0340

Definition at line 26 of file apic.h.

Referenced by apicInitialize().

APIC_LVT_TMR

#define APIC_LVT_TMR   0x0320

Definition at line 25 of file apic.h.

Referenced by apicInitialize().

APIC_SVR

#define APIC_SVR   0xF0

Definition at line 9 of file apic.h.

Referenced by apicInitialize().

APIC_TIMER_DEADLINE

#define APIC_TIMER_DEADLINE   (2 << 17)

Definition at line 23 of file apic.h.

Referenced by vxAPICCreateDeadlineTimer().

APIC_TIMER_ONE_SHOT

#define APIC_TIMER_ONE_SHOT   (0 << 17)

Definition at line 22 of file apic.h.

Referenced by usleep(), vxAPICCreateTimer(), and vxAPICTimerCalibrationUsingHPET().

APIC_TIMER_PERIOD

#define APIC_TIMER_PERIOD   (1 << 17)

Definition at line 21 of file apic.h.

Referenced by __attribute__(), vxAPICCreateTimer(), and vxStartScheduler().

APIC_TPR

#define APIC_TPR   0x80

Definition at line 6 of file apic.h.

Referenced by apicInitialize().

LVT_TIMER

#define LVT_TIMER   0x320

Definition at line 17 of file apic.h.

Referenced by vxAPICCreateDeadlineTimer(), vxAPICCreateTimer(), and vxAPICTimerCalibrationUsingHPET().

TIMER_CURRENT_COUNT

#define TIMER_CURRENT_COUNT   0x390

Definition at line 20 of file apic.h.

Referenced by vxAPICTimerCalibrationUsingHPET().

TIMER_DIVIDE_CONFIG

#define TIMER_DIVIDE_CONFIG   0x3E0

Definition at line 19 of file apic.h.

Referenced by vxAPICCreateTimer(), and vxAPICTimerCalibrationUsingHPET().

TIMER_INITIAL_COUNT

#define TIMER_INITIAL_COUNT   0x380

Definition at line 18 of file apic.h.

Referenced by vxAPICCreateTimer(), and vxAPICTimerCalibrationUsingHPET().

Function Documentation

apic_eoi()

void apic_eoi

(

)

Definition at line 102 of file apic.c.

References APIC_EOI, and apic_write().

Referenced by __attribute__().

apic_read()

uint32_t apic_read

(

uint32_t

reg

)

Definition at line 49 of file apic.c.

References lapic_base_addr, mmio_inl(), reg, vxRDMSR(), and x2_apic_supported.

Referenced by apicInitialize(), sipi_sequential(), vxAPICCreateTimer(), and vxAPICTimerCalibrationUsingHPET().

apic_send_ipi()

void apic_send_ipi	(	uint8_t	vector,
		uint8_t	dest )

Definition at line 97 of file apic.c.

References APIC_ICR_HIGH, APIC_ICR_LOW, apic_write(), and vector.

apic_write()

void apic_write	(	uint32_t	reg,
		uint32_t	value )

Definition at line 40 of file apic.c.

References lapic_base_addr, mmio_outl(), reg, value, vxWRSR(), and x2_apic_supported.

Referenced by apic_eoi(), apic_send_ipi(), apicInitialize(), sipi_sequential(), vxAPICCreateDeadlineTimer(), vxAPICCreateTimer(), and vxAPICTimerCalibrationUsingHPET().

apicInitialize()

void apicInitialize

(

)

Definition at line 62 of file apic.c.

References APIC_DFR, APIC_EOI, APIC_ESR, APIC_LVT_ERR, APIC_LVT_LINT0, APIC_LVT_LINT1, APIC_LVT_PERF, APIC_LVT_TMR, apic_read(), APIC_SVR, APIC_TPR, apic_write(), cpuid(), enable_x2apic(), LOG_DEBUG, update_core_gs(), vxRDMSR(), and x2_apic_supported.

Referenced by __attribute__(), and parsing_madt().

vxAPICCreateDeadlineTimer()

void vxAPICCreateDeadlineTimer	(	const uint8_t	vector,
		const uint64_t	freq_us )

Definition at line 202 of file apic_timer.c.

References APIC_TIMER_DEADLINE, apic_write(), calibrated_tsmc_freq_1ms, LVT_TIMER, vector, vxAPICReadTSC(), and vxWRSR().

vxAPICCreateTimer()

void vxAPICCreateTimer	(	uint32_t	type,
		uint64_t	freq_us,
		uint16_t	vector )

Definition at line 162 of file apic_timer.c.

References apic_read(), APIC_TIMER_MASKED, APIC_TIMER_ONE_SHOT, APIC_TIMER_PERIOD, apic_write(), calibrated_ticks_1ns, count, LOG_ERROR, LOG_WARN, LVT_TIMER, TIMER_DIVIDE_CONFIG, TIMER_INITIAL_COUNT, type, and vector.

Referenced by __attribute__(), usleep(), and vxStartScheduler().

vxTSChasInvariant()

bool vxTSChasInvariant

(

void

)

Definition at line 35 of file apic_timer.c.

References cpuid().