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annotate packages/cygmon/current/misc/bsp/common/breakpoint.c @ 112:02ea4320376c ecos-sw-2000-07-21

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Merge from eCos master repository on 2000-07-21-21:01:39-BST
author jlarmour
date Fri, 21 Jul 2000 21:34:11 +0000
parents 435cced73e2f
children e0c0827131d1
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 //==========================================================================
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2 //
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3 // breakpoint.c
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4 //
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5 // Breakpoint generation.
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s):
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35 // Contributors: gthomas
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36 // Date: 1999-10-20
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37 // Purpose: Breakpoint generation.
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38 // Description:
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39 //
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40 //
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41 //####DESCRIPTIONEND####
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42 //
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43 //=========================================================================
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44
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45
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46 #include <bsp/cpu.h>
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47 #include <bsp/bsp.h>
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48
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49 #ifndef DEBUG_BREAKPOINT
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50 #define DEBUG_BREAKPOINT 0
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51 #endif
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52
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53 #ifdef __ECOS__
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54 #include <cyg/hal/hal_arch.h>
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55 #endif /* __ECOS__ */
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56
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57 /*
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58 * Trigger a breakpoint exception.
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59 */
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60 void
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61 bsp_breakpoint(void)
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62 {
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63 #if DEBUG_BREAKPOINT
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64 bsp_printf("Before BP\n");
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65 #endif
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67 #ifdef __ECOS__
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68 # ifdef __NEED_UNDERSCORE__
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69 HAL_BREAKPOINT(_bsp_breakinsn);
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70 # else
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71 HAL_BREAKPOINT(bsp_breakinsn);
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72 # endif
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73 #else
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74 # ifdef __NEED_UNDERSCORE__
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75 asm volatile (".globl _bsp_breakinsn\n"
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76 "_bsp_breakinsn:\n");
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77 # else
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78 asm volatile (".globl bsp_breakinsn\n"
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79 "bsp_breakinsn:\n");
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80 # endif
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81 BREAKPOINT();
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82 #endif
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83
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84 #if DEBUG_BREAKPOINT
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85 bsp_printf("After BP\n");
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86 #endif
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87 }
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