IRQ control

Collaboration diagram for IRQ control:

Functions
static void	ecl::irq::mask (irq_num irqn)
	Masks or disables the given IRQ. More...
static void	ecl::irq::unmask (irq_num irqn)
	Unmasks or enables the given IRQ. More...
static irq_num	ecl::irq::get_current_irqn ()
	Gets current IRQ number. More...
static bool	ecl::irq::in_isr ()
	Checks if a processor is in handler mode of execution at this time. More...
static void	ecl::irq::disable ()
	Disables interrupts globally. More...
static void	ecl::irq::enable ()
	Enables interrupts globally. More...
static void	ecl::irq::clear (irq_num irqn)
	Clears pending interrupt of the given IRQ. More...

Detailed Description

Function Documentation

mask()

static void ecl::irq::mask ( irq_num  irqn )

inlinestatic

Masks or disables the given IRQ.

Parameters

[in]

irqn

Valid IRQ number.

unmask()

static void ecl::irq::unmask ( irq_num  irqn )

inlinestatic

Unmasks or enables the given IRQ.

Parameters

[in]

irqn

Valid IRQ number.

get_current_irqn()

static irq_num ecl::irq::get_current_irqn ( )

inlinestatic

Gets current IRQ number.

Warning

Results are unspecified if called not within IRQ context.

Returns

Current IRQ number

in_isr()

static bool ecl::irq::in_isr ( )

inlinestatic

Checks if a processor is in handler mode of execution at this time.

Return values

true	Processor is in handler mode. I.e. servicing IRQ or exception.
false	Processor is in thread mode.

disable()

static void ecl::irq::disable ( )

inlinestatic

Disables interrupts globally.

enable()

static void ecl::irq::enable ( )

inlinestatic

Enables interrupts globally.

clear()

static void ecl::irq::clear ( irq_num  irqn )

inlinestatic

Clears pending interrupt of the given IRQ.

Parameters

[in]

irqn

Valid IRQ number.