forked from Imagelibrary/rtems
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/**
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* @file
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*
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* @brief Support file for Timer Test 27.
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*/
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/*
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* Copyright (c) 2008
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* Embedded Brains GmbH
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* Obere Lagerstr. 30
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* D-82178 Puchheim
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* Germany
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* rtems@embedded-brains.de
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef _RTEMS_TMTEST27
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#error "This is an RTEMS internal file you must not include directly."
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#endif /* _RTEMS_TMTEST27 */
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#ifndef TMTESTS_TM27_H
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#define TMTESTS_TM27_H
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#include <libcpu/powerpc-utility.h>
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#include <bsp/vectors.h>
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#define MUST_WAIT_FOR_INTERRUPT 1
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static void (*tm27_interrupt_handler)(rtems_vector_number);
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static int tm27_exception_handler( BSP_Exception_frame *frame, unsigned number)
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{
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(*tm27_interrupt_handler)( 0);
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return 0;
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}
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static void Install_tm27_vector( void (*handler)(rtems_vector_number))
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{
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int rv = 0;
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tm27_interrupt_handler = handler;
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rv = ppc_exc_set_handler( ASM_DEC_VECTOR, tm27_exception_handler);
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if (rv < 0) {
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printk( "Error installing clock interrupt handler!\n");
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}
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}
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#define Cause_tm27_intr() \
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ppc_set_decrementer_register( 8)
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#define Clear_tm27_intr() \
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ppc_set_decrementer_register( UINT32_MAX)
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#define Lower_tm27_intr() \
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(void) ppc_external_exceptions_enable()
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#endif /* TMTESTS_TM27_H */
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