forked from Imagelibrary/rtems
60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/* set_vector
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*
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* This routine installs an interrupt vector on the target Board/CPU.
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* This routine is allowed to be as board dependent as necessary.
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*
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* INPUT:
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* handler - interrupt handler entry point
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* vector - vector number
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* type - 0 indicates raw hardware connect
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* 1 indicates RTEMS interrupt connect
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*
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* RETURNS:
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* address of previous interrupt handler
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rtems.h>
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#include <bsp.h>
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rtems_isr_entry set_vector( /* returns old vector */
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rtems_isr_entry handler, /* isr routine */
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rtems_vector_number vector, /* vector number */
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int type /* RTEMS or RAW intr */
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)
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{
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rtems_isr_entry previous_isr;
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if ( type )
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rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr );
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else {
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/* XXX: install non-RTEMS ISR as "raw" interupt */
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}
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return previous_isr;
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}
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