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/**
* @file
*
* @brief Support file for Timer Test 27.
*/
/*
* 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.org/license/LICENSE.
*/
#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;
}
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 */
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