FreeCalypso > hg > fc-tourmaline
annotate src/cs/riviera/support/exception.h @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +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 * |
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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 #ifndef RVF_EXCEPTION_H |
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18 #define RVF_EXCEPTION_H |
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19 |
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20 #include "rvf/rvf_api.h" |
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21 #include "rvf/rvf_target.h" |
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22 |
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23 #include <string.h> |
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24 |
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25 |
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26 |
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27 //#ifndef __STDC__ |
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28 //# error "exception.h needs ISO C compiler to work properly" |
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29 //#endif |
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30 |
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31 #include <setjmp.h> |
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32 |
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33 typedef enum K_RVF_EXCEPTIONS { E_invalid=1, E_not_enough_memory,E_unknown } T_RVF_EXCEPTIONS; |
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34 |
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35 typedef void (*T_RVF_RELEASE_PROTECTED_POINTER)(void *p); |
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36 |
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37 /* |
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38 choose context savings |
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39 */ |
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40 |
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41 #define rvf_save_context_buffer_(context) setjmp(context) |
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42 #define rvf_restore_context_buffer_(context, val) longjmp(context, val) |
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43 |
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44 /* |
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45 some hidden types used to handle exceptions |
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46 */ |
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47 |
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48 /* type of stack of protected pointer */ |
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49 struct _protectedPtr_ { |
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50 struct _protectedPtr_ *next; |
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51 struct _protectedPtr_ *previous; |
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52 void *ptr; |
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53 T_RVF_RELEASE_PROTECTED_POINTER func; |
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54 }; |
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55 |
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56 /* type of stack of exception */ |
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57 struct _exceptionContext_ { |
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58 struct _exceptionContext_ *next; |
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59 struct _protectedPtr_ *stack; |
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60 jmp_buf context; |
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61 }; |
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62 |
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63 extern struct _exceptionContext_ *const _returnExceptionContext_[MAX_RVF_TASKS]; |
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64 extern struct _exceptionContext_ *_currentExceptionContext_[MAX_RVF_TASKS]; |
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65 |
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66 /* exception keywords */ |
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67 #define try \ |
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68 do { \ |
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69 struct _exceptionContext_ _localExceptionContext_ ;\ |
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70 memset(&_localExceptionContext_,0,sizeof(struct _exceptionContext_));\ |
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71 _localExceptionContext_.next=_currentExceptionContext_[rvf_get_taskid()];\ |
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72 _currentExceptionContext_[rvf_get_taskid()] = &_localExceptionContext_; \ |
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73 do { \ |
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74 int const exception = \ |
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75 rvf_save_context_buffer_(_currentExceptionContext_[rvf_get_taskid()]->context); \ |
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76 if (!exception) { |
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77 |
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78 #define catch(except) \ |
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79 } else if ((int)(except) == exception) { \ |
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80 _currentExceptionContext_[rvf_get_taskid()] = _currentExceptionContext_[rvf_get_taskid()]->next; |
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81 |
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82 #define catch_any \ |
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83 } else { \ |
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84 _currentExceptionContext_[rvf_get_taskid()] = _currentExceptionContext_[rvf_get_taskid()]->next; |
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85 |
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86 #define endtry \ |
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87 } \ |
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88 } while(0); \ |
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89 if (_currentExceptionContext_[rvf_get_taskid()] == &_localExceptionContext_) { \ |
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90 rvf_forget_protected_ptr();\ |
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91 _currentExceptionContext_[rvf_get_taskid()] = _currentExceptionContext_[rvf_get_taskid()]->next; \ |
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92 } \ |
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93 } while(0) |
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94 |
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95 #define rethrow throw(exception) |
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96 #define break_try break |
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97 |
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98 /* |
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99 #define return_try(...) \ |
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100 do { \ |
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101 _currentExceptionContext_ = _returnExceptionContext_; \ |
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102 return __VA_ARGS__; \ |
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103 } while(0) |
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104 */ |
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105 |
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106 #define throw(except) _exceptionThrow_((int)(except)) |
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107 |
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108 |
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109 /* |
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110 extern declarations |
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111 */ |
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112 |
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113 extern void _exceptionThrow_(int except); |
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114 |
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115 extern void rvf_forget_protected_ptr(); |
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116 extern void rvf_protect_pointer(T_RVF_MB_ID mb_id,void *p,T_RVF_RELEASE_PROTECTED_POINTER func); |
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117 |
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118 #define RVF_PROTECT(bank,p) rvf_protect_pointer(bank,p,(T_RVF_RELEASE_PROTECTED_POINTER)rvf_free_buf) |
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119 |
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120 #define THROW_IF_ERROR(err) if (err!=0) throw(E_unknown) |
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121 #define THROW_IF_NULL(p) if (p==NULL) throw(E_not_enough_memory) |
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122 #define THROW_IF_YELLOW(b,p) if ((p==NULL) || (rvf_get_mb_status(b)==RVF_YELLOW)) throw(E_not_enough_memory) |
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123 #endif |