Intel® Quark™ Microcontroller Software Interface
1.4.0
Intel® Quark™ Microcontroller BSP
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Interrupt driver. More...
Typedefs | |
typedef void(* | qm_isr_t )(struct interrupt_frame *frame) |
Interrupt service routine type. | |
Functions | |
void | qm_irq_enable (void) |
Unconditionally enable interrupt delivery on the CPU. | |
void | qm_irq_disable (void) |
Unconditionally disable interrupt delivery on the CPU. | |
unsigned int | qm_irq_lock (void) |
Save interrupt state and disable all interrupts on the CPU. More... | |
void | qm_irq_unlock (unsigned int key) |
Restore previous interrupt state on the CPU saved via qm_irq_lock(). More... | |
void | qm_irq_unmask (uint32_t irq) |
Unmask a given interrupt line. More... | |
void | qm_irq_mask (uint32_t irq) |
Mask a given interrupt line. More... | |
void | qm_int_vector_request (uint32_t vector, qm_isr_t isr) |
Request an interrupt vector and register Interrupt Service Routine to it. More... | |
Interrupt driver.
static __inline__ void qm_int_vector_request | ( | uint32_t | vector, |
qm_isr_t | isr | ||
) |
Request an interrupt vector and register Interrupt Service Routine to it.
[in] | vector | Vector number. |
[in] | isr | ISR to register to given IRQ. |
Definition at line 163 of file qm_interrupt.h.
unsigned int qm_irq_lock | ( | void | ) |
Save interrupt state and disable all interrupts on the CPU.
This routine disables interrupts. It can be called from either interrupt or non-interrupt context. This routine returns an architecture-dependent lock-out key representing the "interrupt disable state" prior to the call; this key can be passed to qm_irq_unlock() to re-enable interrupts.
This function can be called recursively: it will return a key to return the state of interrupt locking to the previous level.
Definition at line 74 of file qm_interrupt.c.
void qm_irq_mask | ( | uint32_t | irq | ) |
Mask a given interrupt line.
[in] | irq | Which IRQ to mask. |
Definition at line 111 of file qm_interrupt.c.
References qm_ss_irq_mask().
void qm_irq_unlock | ( | unsigned int | key | ) |
Restore previous interrupt state on the CPU saved via qm_irq_lock().
[in] | key | architecture-dependent lock-out key returned by a previous invocation of qm_irq_lock(). |
Definition at line 92 of file qm_interrupt.c.
void qm_irq_unmask | ( | uint32_t | irq | ) |
Unmask a given interrupt line.
[in] | irq | Which IRQ to unmask. |
Definition at line 125 of file qm_interrupt.c.
References qm_ss_irq_unmask().