/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSTestSuites
*
* @brief This source file contains the implementation of
* HasInterruptVectorEntriesInstalled().
*/
/*
* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tx-support.h"
#include <rtems/irq-extension.h>
#include <rtems/test.h>
#include <bsp/irq-generic.h>
static bool HasRequiredAttributes(
const rtems_interrupt_attributes *required,
const rtems_interrupt_attributes *actual
)
{
if ( required == NULL ) {
return true;
}
if ( required->can_get_affinity && !actual->can_get_affinity ) {
return false;
}
if ( required->can_raise && !actual->can_raise ) {
return false;
}
if ( required->can_raise_on && !actual->can_raise_on ) {
return false;
}
return true;
}
rtems_vector_number GetValidInterruptVectorNumber(
const rtems_interrupt_attributes *required
)
{
rtems_vector_number vector;
for ( vector = 0; vector < BSP_INTERRUPT_VECTOR_COUNT; ++vector ) {
rtems_status_code sc;
rtems_interrupt_attributes attr;
sc = rtems_interrupt_get_attributes( vector, &attr );
if ( sc == RTEMS_SUCCESSFUL && HasRequiredAttributes( required, &attr ) ) {
break;
}
}
return vector;
}
rtems_vector_number GetTestableInterruptVector(
const rtems_interrupt_attributes *required
)
{
rtems_vector_number vector;
for ( vector = 0; vector < BSP_INTERRUPT_VECTOR_COUNT; ++vector ) {
rtems_status_code sc;
rtems_interrupt_attributes attr;
sc = rtems_interrupt_get_attributes( vector, &attr );
if ( sc != RTEMS_SUCCESSFUL ) {
continue;
}
if ( !attr.is_maskable ) {
continue;
}
if ( !HasRequiredAttributes( required, &attr ) ) {
continue;
}
if ( HasInterruptVectorEntriesInstalled( vector ) ) {
continue;
}
if ( attr.can_enable && attr.can_disable ) {
break;
}
if (
attr.maybe_enable && attr.maybe_disable &&
!attr.can_be_triggered_by_message &&
attr.trigger_signal == RTEMS_INTERRUPT_NO_SIGNAL
) {
rtems_status_code sc;
bool enabled;
(void) rtems_interrupt_vector_enable( vector );
sc = rtems_interrupt_vector_is_enabled( vector, &enabled );
if ( sc == RTEMS_SUCCESSFUL && enabled ) {
(void) rtems_interrupt_vector_disable( vector );
break;
}
}
}
return vector;
}
static void HasInstalled(
void *arg,
const char *info,
rtems_option options,
rtems_interrupt_handler handler_routine,
void *handler_arg
)
{
bool *has_installed_entries;
(void) info;
(void) options;
(void) handler_routine;
(void) handler_arg;
has_installed_entries = arg;
*has_installed_entries = true;
}
bool HasInterruptVectorEntriesInstalled( rtems_vector_number vector )
{
bool has_installed_entries;
rtems_status_code sc;
has_installed_entries = false;
sc = rtems_interrupt_handler_iterate(
vector,
HasInstalled,
&has_installed_entries
);
T_quiet_rsc_success( sc );
return has_installed_entries;
}