FreeCalypso > hg > fc-tourmaline
annotate src/nucleus/evi.c @ 275:79cfefc1e2b4
audio mode load: gracefully handle mode files of wrong AEC version
Unfortunately our change of enabling L1_NEW_AEC (which is necessary
in order to bring our Calypso ARM fw into match with the underlying
DSP reality) brings along a change in the audio mode file binary
format and file size - all those new tunable AEC parameters do need
to be stored somewhere, after all. But we already have existing
mode files in the old format, and setting AEC config to garbage when
loading old audio modes (which is what would happen without the
present change) is not an appealing proposition.
The solution implemented in the present change is as follows: the
audio mode loading code checks the file size, and if it differs
from the active version of T_AUDIO_MODE, the T_AUDIO_AEC_CFG structure
is cleared - set to the default (disabled AEC) for the compiled type
of AEC. We got lucky in that this varying T_AUDIO_AEC_CFG structure
sits at the end of T_AUDIO_MODE!
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 30 Jul 2021 02:55:48 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /*************************************************************************/ |
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2 /* */ |
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3 /* Copyright Mentor Graphics Corporation 2002 */ |
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4 /* All Rights Reserved. */ |
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5 /* */ |
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ |
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ |
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8 /* SUBJECT TO LICENSE TERMS. */ |
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9 /* */ |
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10 /*************************************************************************/ |
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11 |
4e78acac3d88
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12 /*************************************************************************/ |
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13 /* */ |
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14 /* FILE NAME VERSION */ |
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15 /* */ |
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16 /* evi.c Nucleus PLUS 1.14 */ |
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17 /* */ |
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18 /* COMPONENT */ |
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19 /* */ |
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20 /* EV - Event Group Management */ |
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21 /* */ |
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22 /* DESCRIPTION */ |
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23 /* */ |
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24 /* This file contains the initialization routine for the Event */ |
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25 /* Group Management component. */ |
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26 /* */ |
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27 /* DATA STRUCTURES */ |
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28 /* */ |
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29 /* None */ |
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30 /* */ |
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31 /* FUNCTIONS */ |
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32 /* */ |
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33 /* EVI_Initialize Event Group Management Init */ |
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34 /* */ |
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35 /* DEPENDENCIES */ |
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36 /* */ |
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37 /* ev_defs.h Event Group component const. */ |
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38 /* */ |
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39 /* HISTORY */ |
4e78acac3d88
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40 /* */ |
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41 /* DATE REMARKS */ |
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42 /* */ |
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43 /* 03-01-1993 Created initial version 1.0 */ |
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44 /* 04-19-1993 Verified version 1.0 */ |
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45 /* 03-01-1994 Modified copyright, resulting in */ |
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46 /* version 1.1 */ |
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47 /* */ |
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48 /* 03-18-1994 Verified version 1.1 */ |
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49 /* 04-17-1996 updated to version 1.2 */ |
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50 /* 03-24-1998 Released version 1.3 */ |
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51 /* 03-26-1999 Released 1.11m (new release */ |
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52 /* numbering scheme) */ |
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53 /* 04-17-2002 Released version 1.13m */ |
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54 /* 11-07-2002 Released version 1.14 */ |
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55 /*************************************************************************/ |
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56 #define NU_SOURCE_FILE |
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57 |
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58 |
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59 #include "ev_defs.h" /* Event Group constants */ |
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60 #include "ev_extr.h" /* Event Group interfaces */ |
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61 |
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62 |
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63 /* Define external inner-component global data references. */ |
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64 |
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65 extern CS_NODE *EVD_Created_Event_Groups_List; |
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66 extern UNSIGNED EVD_Total_Event_Groups; |
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67 extern TC_PROTECT EVD_List_Protect; |
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68 |
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69 |
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70 /*************************************************************************/ |
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71 /* */ |
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72 /* FUNCTION */ |
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73 /* */ |
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74 /* EVI_Initialize */ |
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75 /* */ |
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76 /* DESCRIPTION */ |
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77 /* */ |
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78 /* This function initializes the data structures that control the */ |
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79 /* operation of the Event Group component (EV). There are no */ |
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80 /* event groups initially. This routine must be called from */ |
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81 /* Supervisor mode in Supervisor/User mode switching kernels. */ |
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82 /* */ |
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83 /* CALLED BY */ |
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84 /* */ |
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85 /* INC_Initialize System initialization */ |
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86 /* */ |
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87 /* CALLS */ |
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88 /* */ |
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89 /* None */ |
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90 /* */ |
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91 /* INPUTS */ |
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92 /* */ |
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93 /* None */ |
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94 /* */ |
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95 /* OUTPUTS */ |
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96 /* */ |
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97 /* EVD_Created_Event_Groups_List List of created event groups */ |
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98 /* EVD_Total_Event_Groups Number of created event */ |
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99 /* groups */ |
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100 /* EVD_List_Protect Protection for event group */ |
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101 /* list */ |
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102 /* */ |
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103 /* HISTORY */ |
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104 /* */ |
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105 /* DATE REMARKS */ |
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106 /* */ |
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107 /* 03-01-1993 Created initial version 1.0 */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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108 /* 04-19-1993 Verified version 1.0 */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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109 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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110 /*************************************************************************/ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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111 VOID EVI_Initialize(VOID) |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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112 { |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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113 NU_SUPERV_USER_VARIABLES |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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114 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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115 /* Switch to supervisor mode */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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116 NU_SUPERVISOR_MODE(); |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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117 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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118 /* Initialize the created event group list to NU_NULL. */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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119 EVD_Created_Event_Groups_List = NU_NULL; |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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120 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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121 /* Initialize the total number of created event groups to 0. */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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122 EVD_Total_Event_Groups = 0; |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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123 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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124 /* Initialize the list protection structure. */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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125 EVD_List_Protect.tc_tcb_pointer = NU_NULL; |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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126 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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127 /* Return to user mode */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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128 NU_USER_MODE(); |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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129 } |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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130 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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131 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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132 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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133 |
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134 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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135 |