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bsps: bsp_interrupt_handler_dispatch_unchecked()

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Add bsp_interrupt_handler_dispatch_unchecked() as an alternative to
bsp_interrupt_handler_dispatch().  It may be used if the caller can ensure that
the vector number is valid.
This commit is contained in:
Sebastian Huber
2021-06-23 08:24:49 +02:00
parent b9d5f51630
commit 005c79beb9
1 changed files with 40 additions and 19 deletions
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59
bsps/include/bsp/irq-generic.h
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@@ -251,34 +251,55 @@ void bsp_interrupt_vector_enable(rtems_vector_number vector);
void bsp_interrupt_vector_disable(rtems_vector_number vector);
/**
* @brief Sequencially calls all interrupt handlers for the vector number @a
* vector.
* @brief Sequentially calls all interrupt handlers installed at the vector.
*
* If the vector number is out of range or the handler list is empty
* bsp_interrupt_handler_default() will be called with argument @a vector.
* This function does not validate the vector number. If the vector number is
* out of range, then the behaviour is undefined.
*
* You can call this function within every context which can be disabled via
* rtems_interrupt_disable().
* rtems_interrupt_local_disable().
*
* @param vector is the vector number.
*/
static inline void bsp_interrupt_handler_dispatch(rtems_vector_number vector)
static inline void bsp_interrupt_handler_dispatch_unchecked(
rtems_vector_number vector
)
{
if (bsp_interrupt_is_valid_vector(vector)) {
const bsp_interrupt_handler_entry *e =
&bsp_interrupt_handler_table [bsp_interrupt_handler_index(vector)];
const bsp_interrupt_handler_entry *e;
do {
rtems_interrupt_handler handler;
void *arg;
e = &bsp_interrupt_handler_table[ bsp_interrupt_handler_index( vector ) ];
arg = e->arg;
bsp_interrupt_fence(ATOMIC_ORDER_ACQUIRE);
handler = e->handler;
(*handler)(arg);
do {
rtems_interrupt_handler handler;
void *arg;
e = e->next;
} while (e != NULL);
arg = e->arg;
bsp_interrupt_fence( ATOMIC_ORDER_ACQUIRE );
handler = e->handler;
( *handler )( arg );
e = e->next;
} while ( e != NULL );
}
/**
* @brief Sequentially calls all interrupt handlers installed at the vector.
*
* If the vector number is out of range or the handler list is empty
* bsp_interrupt_handler_default() will be called with the vector number as
* argument.
*
* You can call this function within every context which can be disabled via
* rtems_interrupt_local_disable().
*
* @param vector is the vector number.
*/
static inline void bsp_interrupt_handler_dispatch( rtems_vector_number vector )
{
if ( bsp_interrupt_is_valid_vector( vector ) ) {
bsp_interrupt_handler_dispatch_unchecked( vector );
} else {
bsp_interrupt_handler_default(vector);
bsp_interrupt_handler_default( vector );
}
}