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annotate src/gpf/inc/pub_L1_misc_enter.h @ 72:4484ab3f6ab3

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FFS interrupt voodoo: made original TMS470 approach work with gcc
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 20 Jul 2018 03:35:25 +0000
parents 1ea54a97e831
children
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1 /*
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2 +------------------------------------------------------------------------------
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3 | File: pub_L1_misc_enter.h
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4 +------------------------------------------------------------------------------
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5 | Copyright 2004 Texas Instruments Deutschland GmbH
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Deutschland GmbH.
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Deutschland GmbH.
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15 +------------------------------------------------------------------------------
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16 | Purpose: Check the SrcFileTime of the ccdgen generated header files at link time.
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17 |
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18 | The macros in this file help to detect version mismatch between
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19 | header files included for build of different libraries.
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20 | Example of a linker error:
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21 | xx_tdc_3_constraints.obj : error LNK2001:
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22 | unresolved external symbol
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23 | "char BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002"
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24 | (?BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002@@3DA)
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25 | \gpf\util\teststack\bin\test_xx_tdc\xx_tdc.dll :
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26 | fatal error LNK1120: 1 unresolved externals
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27 | Error executing link.exe.
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28 |
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29 | The first group of macros (protected by PUB_L1_MISC_ENTER) are necessary
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30 | to build the strings of type "BadLibVersionCheck__xxx".
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31 |
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32 | They need in turn other macros which are set in the *.h files of
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33 | cdginc, tdcinc or message_san.h directory.
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34 | (e.g. PUB_L1_MISC_ENTER__M_XX_VAL_H__FILE_TYPE)
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35 |
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36 | The check is done only for the header files where
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37 | ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK is switched on.
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38 |
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39 +------------------------------------------------------------------------------
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40 */
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41
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42 #ifndef PUB_L1_MISC_ENTER
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43 #define PUB_L1_MISC_ENTER
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44
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45
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46 /* we need a 2 stage approach to expand A and B before concatting them */
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47 #define PUB_L1_MISC_ENTER_CONCATx(A,B) A##B
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48 #define PUB_L1_MISC_ENTER_CONCAT(A,B) PUB_L1_MISC_ENTER_CONCATx(A,B)
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49 #define PUB_L1_MISC_ENTER_CONCAT3x(A,B,C) A##B##C
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50 #define PUB_L1_MISC_ENTER_CONCAT3(A,B,C) PUB_L1_MISC_ENTER_CONCAT3x(A,B,C)
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51 #define PUB_L1_MISC_ENTER_CONCAT4x(A,B,C,D) A##B##C##D
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52 #define PUB_L1_MISC_ENTER_CONCAT4(A,B,C,D) PUB_L1_MISC_ENTER_CONCAT4x(A,B,C,D)
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53
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54 /* we need a 2 stage approach to expand A before stringifying it */
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55 #define PUB_L1_MISC_ENTER_STRINGx(A) #A
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56 #define PUB_L1_MISC_ENTER_STRING(A) PUB_L1_MISC_ENTER_STRINGx(A)
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57
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58 #define PUB_L1_MISC_ENTER_GET_PRAGMA(PRAGMA) PUB_L1_MISC_ENTER_CONCAT3(PUB_L1_MISC_ENTER_,PUB_L1_MISC_ENTER__FILENAME,__##PRAGMA)
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59
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60
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61 #define PUB_L1_MISC_ENTER_GET_FILE_TYPE PUB_L1_MISC_ENTER_CONCAT(PUB_L1_MISC_ENTER_FILE_TYPE__,PUB_L1_MISC_ENTER_GET_PRAGMA(FILE_TYPE))
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62
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63 #define PUB_L1_MISC_ENTER_SANITY_NAME PUB_L1_MISC_ENTER_CONCAT4(BadLibVersionCheck___,PUB_L1_MISC_ENTER__FILENAME,___,PUB_L1_MISC_ENTER_GET_PRAGMA(SRC_FILE_TIME))
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64
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65
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66 /* create an enumerate sequence of the known file types so we can test which one we have with a '#if A == B' line */
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67 #define PUB_L1_MISC_ENTER_FILE_TYPE__CDGINC 1
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68 #define PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC 2
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69 #define PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC_DSC 3
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70 #define PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC_MAIN 4
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71 #endif
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72
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73 /*
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74 * The check will be done only for files where
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75 * ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK is switched on.
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76 */
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77 #if (PUB_L1_MISC_ENTER_GET_FILE_TYPE == PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC)
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78 #define ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK
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79 #endif
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80
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81 #ifdef PUB_L1_MISC_ENTER_DEBUG
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82 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER__FILENAME))
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83 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER_SANITY_NAME))
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84 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER_GET_FILE_TYPE))
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85 #endif
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86
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87 #ifdef ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK
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88 #ifdef PUB_L1_MISC_ENTER_DEFINE_SANITY
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89
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90 char PUB_L1_MISC_ENTER_SANITY_NAME;
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91 #else
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92 #ifdef PUB_L1_MISC_ENTER_DEBUG
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93 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER_CONCAT(BadLibVersionCheck___,PUB_L1_MISC_ENTER__FILENAME)))
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94 #endif
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95 /* This part goes into
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96 every stack file using the ccdgen generated files (one for each used file)
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97
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98 expands to e.g.
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99 extern char BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002
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100 */
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101 extern char PUB_L1_MISC_ENTER_SANITY_NAME;
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102 /* Originally it was this but since no one actually uses this stuff (we only have
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103 it for the linker to check that versions match) we can save memory by only
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104 storing the 8 lower bits.
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105
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106 expands to e.g.
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107 static char BadLibVersionCheck____P_XX_TDC_3_VAL_H = (char)(&BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002);
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108 */
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109 static char PUB_L1_MISC_ENTER_CONCAT(BadLibVersionCheck___,PUB_L1_MISC_ENTER__FILENAME) = (char)(&PUB_L1_MISC_ENTER_SANITY_NAME);
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110 #endif
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111 #endif