/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Support file for Timer Test 27.
*/
/*
* Copyright (c) 2008 embedded brains GmbH. All rights reserved.
* 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.
*/
#ifndef _RTEMS_TMTEST27
#error "This is an RTEMS internal file you must not include directly."
#endif /* _RTEMS_TMTEST27 */
#ifndef TMTESTS_TM27_H
#define TMTESTS_TM27_H
#include <libcpu/powerpc-utility.h>
#include <bsp/vectors.h>
#define MUST_WAIT_FOR_INTERRUPT 1
static void (*tm27_interrupt_handler)(rtems_vector_number);
static int tm27_exception_handler( BSP_Exception_frame *frame, unsigned number)
{
(*tm27_interrupt_handler)( 0);
return 0;
}
static void Install_tm27_vector( void (*handler)(rtems_vector_number))
{
int rv = 0;
tm27_interrupt_handler = handler;
rv = ppc_exc_set_handler( ASM_DEC_VECTOR, tm27_exception_handler);
if (rv < 0) {
printk( "Error installing clock interrupt handler!\n");
}
}
#define Cause_tm27_intr() \
ppc_set_decrementer_register( 8)
#define Clear_tm27_intr() \
ppc_set_decrementer_register( UINT32_MAX)
#define Lower_tm27_intr() \
(void) ppc_external_exceptions_enable()
#endif /* TMTESTS_TM27_H */
