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|
/*===============================================================*\
| Project: RTEMS generic MPC83xx BSP |
+-----------------------------------------------------------------+
| Copyright (c) 2007 |
| 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.org/license/LICENSE. |
| |
+-----------------------------------------------------------------+
| this file integrates the IPIC irq controller |
\*===============================================================*/
#include <rtems.h>
#include <libcpu/powerpc-utility.h>
#include <bsp.h>
#include <bsp/irq.h>
#include <bsp/irq-generic.h>
#include <bsp/vectors.h>
static int qemuppc_exception_handler(
BSP_Exception_frame *frame,
unsigned exception_number
)
{
rtems_panic("Unexpected interrupt occured");
return 0;
}
rtems_status_code bsp_interrupt_get_attributes(
rtems_vector_number vector,
rtems_interrupt_attributes *attributes
)
{
return RTEMS_SUCCESSFUL;
}
rtems_status_code bsp_interrupt_raise(rtems_vector_number vector)
{
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
return RTEMS_UNSATISFIED;
}
rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
{
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
return RTEMS_UNSATISFIED;
}
rtems_status_code bsp_interrupt_vector_is_enabled(
rtems_vector_number vector,
bool *enabled
)
{
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
bsp_interrupt_assert(enabled != NULL);
*enabled = false;
return RTEMS_UNSATISFIED;
}
/*
* functions to enable/disable a source at the ipic
*/
void bsp_interrupt_vector_enable( rtems_vector_number irqnum)
{
/* FIXME: do something */
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(irqnum));
}
void bsp_interrupt_vector_disable( rtems_vector_number irqnum)
{
/* FIXME: do something */
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(irqnum));
}
rtems_status_code bsp_interrupt_facility_initialize(void)
{
/* Install exception handler */
if (ppc_exc_set_handler( ASM_EXT_VECTOR, qemuppc_exception_handler)) {
return RTEMS_IO_ERROR;
}
return RTEMS_SUCCESSFUL;
}
|
