4.104.114.84.95
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1 | /* |
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2 | * Clock Tick interrupt conexion code. |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1997. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may in |
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8 | * the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * Modified to support the MPC750. |
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12 | * Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr |
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13 | * |
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14 | * $Id$ |
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15 | */ |
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16 | |
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17 | #include <bsp.h> |
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18 | #include <bsp/irq.h> |
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19 | #include <libcpu/c_clock.h> |
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20 | |
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21 | static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER, |
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22 | clockIsr, |
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23 | (rtems_irq_enable)clockOn, |
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24 | (rtems_irq_disable)clockOff, |
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25 | (rtems_irq_is_enabled) clockIsOn}; |
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26 | |
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27 | int BSP_disconnect_clock_handler (void) |
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28 | { |
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29 | return BSP_remove_rtems_irq_handler (&clockIrqData); |
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30 | } |
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31 | |
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32 | int BSP_connect_clock_handler (void) |
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33 | { |
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34 | return BSP_install_rtems_irq_handler (&clockIrqData); |
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35 | } |
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