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/**
* @file
*
* @ingroup bsp_interrupt
*
* @brief Source file for generic BSP interrupt support legacy code.
*/
/*
* Copyright (c) 2008
* Embedded Brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
*
* The license and distribution terms for this file may be found in the file
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
*/
#include <stdlib.h>
#include <rtems/irq.h>
#include <bsp/irq-generic.h>
typedef struct {
rtems_irq_hdl handler;
void *arg;
} bsp_interrupt_legacy_entry;
static void bsp_interrupt_legacy_dispatch( rtems_vector_number vector, void *arg)
{
bsp_interrupt_legacy_entry *e = arg;
e->handler( e->arg);
}
/**
* @deprecated Obsolete.
*/
int BSP_get_current_rtems_irq_handler( rtems_irq_connect_data *cd)
{
cd->hdl = NULL;
cd->handle = NULL;
cd->on = NULL;
cd->off = NULL;
cd->isOn = NULL;
}
/**
* @deprecated Use rtems_interrupt_handler_install() instead.
*/
int BSP_install_rtems_irq_handler( const rtems_irq_connect_data *cd)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
bsp_interrupt_legacy_entry *e = malloc( sizeof( bsp_interrupt_legacy_entry));
if (e == NULL) {
return 0;
}
e->handler = cd->hdl;
e->arg = cd->handle;
sc = rtems_interrupt_handler_install(
cd->name,
"Unique interrupt handler (installed with obsolete BSP_install_rtems_irq_handler())",
RTEMS_INTERRUPT_UNIQUE,
bsp_interrupt_legacy_dispatch,
e
);
if (sc != RTEMS_SUCCESSFUL) {
free( e);
return 0;
}
if (cd->on) {
cd->on( cd);
}
return 1;
}
/**
* @deprecated Use rtems_interrupt_handler_install() instead.
*/
int BSP_install_rtems_shared_irq_handler( const rtems_irq_connect_data *cd)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
bsp_interrupt_legacy_entry *e = malloc( sizeof( bsp_interrupt_legacy_entry));
if (e == NULL) {
return 0;
}
e->handler = cd->hdl;
e->arg = cd->handle;
sc = rtems_interrupt_handler_install(
cd->name,
"Shared interrupt handler (installed with obsolete BSP_install_rtems_shared_irq_handler())",
RTEMS_INTERRUPT_SHARED,
bsp_interrupt_legacy_dispatch,
e
);
if (sc != RTEMS_SUCCESSFUL) {
free( e);
return 0;
}
if (cd->on) {
cd->on( cd);
}
return 1;
}
/**
* @deprecated Use rtems_interrupt_handler_remove() instead.
*/
int BSP_remove_rtems_irq_handler( const rtems_irq_connect_data *cd)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
bsp_interrupt_handler_entry *head = NULL;
bsp_interrupt_handler_entry *current = NULL;
bsp_interrupt_legacy_entry *e = NULL;
sc = bsp_interrupt_handler_query( cd->name, head);
if (sc != RTEMS_SUCCESSFUL) {
return 0;
}
current = head;
while (current != NULL) {
if (current->handler == bsp_interrupt_legacy_dispatch) {
e = current->arg;
if (e->arg == cd->handle) {
break;
} else {
e = NULL;
}
}
current = current->next;
}
sc = bsp_interrupt_handler_query_free( head);
if (sc != RTEMS_SUCCESSFUL) {
return 0;
}
if (e == NULL) {
return 0;
}
if (cd->off) {
cd->off( cd);
}
sc = rtems_interrupt_handler_remove( cd->name, bsp_interrupt_legacy_dispatch, e);
if (sc != RTEMS_SUCCESSFUL) {
return 0;
}
return 1;
}
/**
* @deprecated Use bsp_interrupt_initialize() instead.
*/
int BSP_rtems_irq_mngt_set( rtems_irq_global_settings *config)
{
return 0;
}
/**
* @deprecated Obsolete.
*/
int BSP_rtems_irq_mngt_get( rtems_irq_global_settings **config)
{
*config = NULL;
return 0;
}
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