irq.h File Reference

ARM AArch32 public interrupt handling. More...

#include <zephyr/sw_isr_table.h>
#include <stdbool.h>

Go to the source code of this file.

Macros
#define	IRQ_ZERO_LATENCY   BIT(0)
	Set this interrupt up as a zero-latency IRQ.
#define	ARCH_IRQ_CONNECT(irq_p, priority_p, isr_p, isr_param_p, flags_p)
#define	ARCH_IRQ_DIRECT_CONNECT(irq_p, priority_p, isr_p, flags_p)
#define	ARCH_ISR_DIRECT_PM()   do { } while (false)
#define	ARCH_ISR_DIRECT_HEADER()   arch_isr_direct_header()
#define	ARCH_ISR_DIRECT_FOOTER(swap)   arch_isr_direct_footer(swap)
#define	ARCH_ISR_DIAG_OFF
#define	ARCH_ISR_DIAG_ON
#define	ARCH_ISR_DIRECT_DECLARE(name)

Functions
void	arch_irq_enable (unsigned int irq)
void	arch_irq_disable (unsigned int irq)
int	arch_irq_is_enabled (unsigned int irq)
static void	arch_isr_direct_header (void)
static void	arch_isr_direct_footer (int maybe_swap)

Detailed Description

ARM AArch32 public interrupt handling.

ARM AArch32-specific kernel interrupt handling interface. Included by arm/arch.h.

Macro Definition Documentation

ARCH_IRQ_CONNECT

#define ARCH_IRQ_CONNECT	(		irq_p,
			priority_p,
			isr_p,
			isr_param_p,
			flags_p
	)

Value:

{ \
        BUILD_ASSERT(IS_ENABLED(CONFIG_ZERO_LATENCY_IRQS) || !(flags_p & IRQ_ZERO_LATENCY), \
                        "ZLI interrupt registered but feature is disabled"); \
        _CHECK_PRIO(priority_p, flags_p) \
        Z_ISR_DECLARE(irq_p, 0, isr_p, isr_param_p); \
        z_arm_irq_priority_set(irq_p, priority_p, flags_p); \
}

ARCH_IRQ_DIRECT_CONNECT

#define ARCH_IRQ_DIRECT_CONNECT	(		irq_p,
			priority_p,
			isr_p,
			flags_p
	)

Value:

{ \
        BUILD_ASSERT(IS_ENABLED(CONFIG_ZERO_LATENCY_IRQS) || !(flags_p & IRQ_ZERO_LATENCY), \
                        "ZLI interrupt registered but feature is disabled"); \
        _CHECK_PRIO(priority_p, flags_p) \
        Z_ISR_DECLARE_DIRECT(irq_p, ISR_FLAG_DIRECT, isr_p); \
        z_arm_irq_priority_set(irq_p, priority_p, flags_p); \
}

ARCH_ISR_DIAG_OFF

#define ARCH_ISR_DIAG_OFF

ARCH_ISR_DIAG_ON

#define ARCH_ISR_DIAG_ON

ARCH_ISR_DIRECT_DECLARE

#define ARCH_ISR_DIRECT_DECLARE

(

name

)

Value:

        static inline int name##_body(void); \
        ARCH_ISR_DIAG_OFF \
        __attribute__ ((interrupt ("IRQ"))) void name(void) \
        { \
                int check_reschedule; \
                ISR_DIRECT_HEADER(); \
                check_reschedule = name##_body(); \
                ISR_DIRECT_FOOTER(check_reschedule); \
        } \
        ARCH_ISR_DIAG_ON \
        static inline int name##_body(void)

ARCH_ISR_DIRECT_FOOTER

#define ARCH_ISR_DIRECT_FOOTER

(

swap

)

arch_isr_direct_footer(swap)

ARCH_ISR_DIRECT_HEADER

#define ARCH_ISR_DIRECT_HEADER

(

)

arch_isr_direct_header()

ARCH_ISR_DIRECT_PM

#define ARCH_ISR_DIRECT_PM

(

)

do { } while (false)

IRQ_ZERO_LATENCY

#define IRQ_ZERO_LATENCY   BIT(0)

Set this interrupt up as a zero-latency IRQ.

If CONFIG_ZERO_LATENCY_LEVELS is 1 it has a fixed hardware priority level (discarding what was supplied in the interrupt's priority argument). If CONFIG_ZERO_LATENCY_LEVELS is greater 1 it has the priority level assigned by the argument. The interrupt will run even if irq_lock() is active. Be careful!

Function Documentation

arch_irq_disable()

void arch_irq_disable

(

unsigned int

irq

)

arch_irq_enable()

void arch_irq_enable

(

unsigned int

irq

)

arch_irq_is_enabled()

int arch_irq_is_enabled

(

unsigned int

irq

)

arch_isr_direct_footer()

static void arch_isr_direct_footer ( int  maybe_swap )

inlinestatic

arch_isr_direct_header()

static void arch_isr_direct_header ( void  )

inlinestatic