FreeCalypso > hg > fc-tourmaline
annotate src/cs/riviera/support/exception.c @ 223:740a8e8fc9d7
startup sync logic rework for the new PWON button boot scheme
Previously we added logic to the MMI task to hold off PEI init until
R2D is running, and then extended that condition to wait for FCHG
init too. However, the dependencies of MMI upon R2D and FCHG don't
start until mmiInit(), and that call is driven by Switch_ON() code,
hence the wait for R2D and FCHG init can be made in that code path
instead of the MMI task. Furthermore, with our new way of signaling
PWON button boot to MMI, we need a new wait to ensure that the MMI
task is up - previously this assurance was provided by the wait for
Kp pointers to be set.
Solution: revert our previous PEI init hold-off additions to MMI,
add a new flag indicating MMI task init done, and put the combined
wait for all needed conditions into our new PWON button boot code
in power.c.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Tue, 27 Apr 2021 06:24:52 +0000 |
| parents | 4e78acac3d88 |
| children |
| rev | line source |
|---|---|
|
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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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parents:
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137 } |
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parents:
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138 |
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parents:
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139 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 |
