FreeCalypso > hg > fc-magnetite

annotate src/cs/riviera/support/exception.c @ 695:530f71d65c20

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uartfax.c: pull from Tourmaline (GTM900 RI output) In addition to the primary intent of bringing in GTM900 RI output support, pulling uartfax.c wholesale from Tourmaline also changes the initial_time argument in the two NU_Create_Timer() calls from 0 to 1. This change is required for the new version of Nucleus used in Tourmaline and Selenite (and apparently also used by TI in LoCosto), and it is harmless (no effect) for the original TCS211 version of Nucleus used in Magnetite. The new philosophical model being adopted is that Tourmaline is our new development head firmware, whereas Magnetite will now be maintained similarly to how Linux maintainers treat stable kernels: changes will be backported from Tourmaline if they are deemed appropriate for stable modem firmware.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 17:33:10 +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