1 | /* set_vector |
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2 | * |
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3 | * This routine installs an interrupt vector on the target Board/CPU. |
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4 | * This routine is allowed to be as board dependent as necessary. |
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5 | * |
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6 | * INPUT: |
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7 | * handler - interrupt handler entry point |
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8 | * vector - vector number |
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9 | * type - 0 indicates raw hardware connect |
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10 | * 1 indicates RTEMS interrupt connect |
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11 | * |
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12 | * RETURNS: |
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13 | * address of previous interrupt handler |
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14 | * |
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15 | * Author: Andrew Bray <andy@i-cubed.co.uk> |
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16 | * |
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17 | * COPYRIGHT (c) 1995 by i-cubed ltd. |
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18 | * |
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19 | * To anyone who acknowledges that this file is provided "AS IS" |
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20 | * without any express or implied warranty: |
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21 | * permission to use, copy, modify, and distribute this file |
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22 | * for any purpose is hereby granted without fee, provided that |
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23 | * the above copyright notice and this notice appears in all |
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24 | * copies, and that the name of i-cubed limited not be used in |
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25 | * advertising or publicity pertaining to distribution of the |
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26 | * software without specific, written prior permission. |
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27 | * i-cubed limited makes no representations about the suitability |
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28 | * of this software for any purpose. |
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29 | * |
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30 | * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/setvec.c: |
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31 | * |
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32 | * COPYRIGHT (c) 1989-1997. |
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33 | * On-Line Applications Research Corporation (OAR). |
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34 | * Copyright assigned to U.S. Government, 1994. |
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35 | * |
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36 | * The license and distribution terms for this file may in |
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37 | * the file LICENSE in this distribution or at |
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38 | * http://www.OARcorp.com/rtems/license.html. |
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39 | * |
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40 | * $Id$ |
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41 | */ |
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42 | |
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43 | #include <rtems.h> |
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44 | #include <bsp.h> |
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45 | |
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46 | rtems_isr_entry set_vector( /* returns old vector */ |
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47 | rtems_isr_entry handler, /* isr routine */ |
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48 | rtems_vector_number vector, /* vector number */ |
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49 | int type /* RTEMS or RAW intr */ |
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50 | ) |
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51 | { |
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52 | rtems_isr_entry previous_isr; |
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53 | |
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54 | rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); |
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55 | |
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56 | return previous_isr; |
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57 | } |
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58 | |
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