FreeCalypso > hg > fc-magnetite

annotate src/cs/riviera/support/exception.c @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +0000
parents 945cf7f506b2
children
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945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
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1 /*
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2 ******************************
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3 *
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4 *
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5 * Initialial version: Laurent Deniau, Laurent.Deniau@cern.ch
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6 *
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7 * For more information, please see the paper:
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8 * http://cern.ch/Laurent.Deniau/html/oopc/exception.html
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9 *
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10 * -----------------------------------------------------------
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11 *
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12 * Strong rework and adaption to riviera by Christophe Favergeon
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13 *
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14 ******************************
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15 */
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16
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17 // Authorization to use this source code communicated to Christophe Favergeon
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18 // by email
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19
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20 #include <stdio.h>
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21 #include <stdlib.h>
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22 #include <assert.h>
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23 #include "support/exception.h"
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24
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25 #ifndef _WINDOWS
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26 #include "config/swconfig.cfg"
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27 #endif
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28
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29
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30 /* global stack of exception context */
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31 struct _exceptionContext_ *const _returnExceptionContext_[MAX_RVF_TASKS]=
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32 #if (!GSMLITE)
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33 {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
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34 NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
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35 #else
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36 {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
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37 #endif
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38
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39 struct _exceptionContext_ *_currentExceptionContext_ [MAX_RVF_TASKS]=
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40 #if (!GSMLITE)
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41 {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
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42 NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
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43 #else
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44 {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
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45 #endif
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46
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47 /* delete protected pointers and throw exception */
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48 void
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49 _exceptionThrow_(int exception)
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50 {
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51 struct _protectedPtr_ *p;
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52 struct _protectedPtr_ *oldp;
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53
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54 /* no exception context saved, exit program */
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55 if (!_currentExceptionContext_[rvf_get_taskid()]) exit(exception);
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56
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57 /* free pointers stored on the current exception context pointers stack */
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58 p=_currentExceptionContext_[rvf_get_taskid()]->stack;
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59
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60 while(p)
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61 {
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62 oldp=p->previous;
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63 p->func(p->ptr);
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64 rvf_free_buf(p);
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65 p=oldp;
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66 }
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67
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68 _currentExceptionContext_[rvf_get_taskid()]->stack=NULL;
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69
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70 /* jump to previous exception context */
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71 rvf_restore_context_buffer_(_currentExceptionContext_[rvf_get_taskid()]->context, exception);
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72 }
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73
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74
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75 // Protect a pointer when there is a try/ctahc block active
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76 void rvf_protect_pointer(T_RVF_MB_ID mb_id,void *p,T_RVF_RELEASE_PROTECTED_POINTER func)
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77 {
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78
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79 struct _protectedPtr_ *ptr;
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80 struct _exceptionContext_ *context;
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81 T_RVF_MB_STATUS err;
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82
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83
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84
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85 if (_currentExceptionContext_[rvf_get_taskid()])
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86 {
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87
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88 if (p==NULL)
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89 throw(E_not_enough_memory);
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90
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91 context=_currentExceptionContext_[rvf_get_taskid()];
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92 err=rvf_get_buf(mb_id,sizeof(struct _protectedPtr_),(void*)&ptr);
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93
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94
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95 if (err==RVF_GREEN)
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96 {
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97 ptr->next=NULL;
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98 ptr->previous=NULL;
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99 ptr->ptr=p;
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100 ptr->func=func;
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101
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102 if (context->stack==NULL)
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103 {
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104 context->stack=ptr;
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105 }
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106 else
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107 {
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108 ptr->previous=context->stack;
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109 context->stack->next=ptr;
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110 context->stack=ptr;
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111 }
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112 }
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113 else
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114 {
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115 if (p!=NULL)
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116 rvf_free_buf(p);
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117 throw(E_not_enough_memory);
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118 }
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119 }
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120 }
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121
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122 void rvf_forget_protected_ptr()
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123 {
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124 struct _protectedPtr_ *p;
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125 struct _protectedPtr_ *oldp;
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126
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127 p=_currentExceptionContext_[rvf_get_taskid()]->stack;
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128
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129 while(p)
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130 {
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131 oldp=p->previous;
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132 rvf_free_buf(p);
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133 p=oldp;
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134 }
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135
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136 _currentExceptionContext_[rvf_get_taskid()]->stack=NULL;
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137 }
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138
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139
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140