4.104.115
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1 | /* |
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2 | * Atmel AT91RM9200 Interrupt handler |
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3 | * |
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4 | * Copyright (c) 2004 by Jay Monkman <jtm@lopingdog.com> |
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5 | * |
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6 | * The license and distribution terms for this file may be |
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7 | * found in the file LICENSE in this distribution or at |
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8 | * |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | #include <irq.h> |
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15 | #include <bsp.h> |
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16 | #include <at91rm9200.h> |
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17 | |
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18 | extern void default_int_handler(void); |
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19 | |
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20 | /* |
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21 | * Interrupt system initialization. Disable interrupts, clear |
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22 | * any that are pending. |
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23 | */ |
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24 | void BSP_rtems_irq_mngt_init(void) |
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25 | { |
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26 | long *vectorTable; |
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27 | int i; |
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28 | |
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29 | vectorTable = (long *) VECTOR_TABLE; |
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30 | |
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31 | /* Initialize the vector table contents with default handler */ |
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32 | for (i=0; i<BSP_MAX_INT; i++) { |
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33 | *(vectorTable + i) = (long)(default_int_handler); |
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34 | } |
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35 | |
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36 | /* disable all interrupts */ |
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37 | AIC_CTL_REG(AIC_IDCR) = 0xffffffff; |
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38 | } |
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39 | |
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