FreeCalypso > hg > fc-tourmaline
annotate cdg-hybrid/sap/ph.pdf @ 268:f2e52cab0a73
abb_inth.c: check all interrupt causes, not just one
The original code used if - else if - else if etc constructs, thus
the first detected interrupt was the only one handled. However,
Iota ITSTATREG is a clear-on-read register, thus if we only handle
the first detected interrupt and skip checking the others, then the
other interrupts will be lost, if more than one interrupt happened
to occur in one ABB interrupt handling cycle - a form of rare race
condition. Change the code to check all interrupts that were read
in this cycle.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 13 Jun 2021 18:17:53 +0000 |
parents | 35f7a1dc9f7d |
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1 ;******************************************************************************** |
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2 ;*** File : ph.pdf |
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3 ;*** Creation : Wed Mar 11 09:58:34 CST 2009 |
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4 ;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1 |
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5 ;*** Copyright : (c) Texas Instruments AG, Berlin Germany 2002 |
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6 ;******************************************************************************** |
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7 ;*** Document Type : Service Access Point Specification |
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8 ;*** Document Name : ph |
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9 ;*** Document No. : 6147.112.01.100 |
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10 ;*** Document Date : 2001-10-26 |
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11 ;*** Document Status: APPROVED |
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12 ;*** Document Author: SBK |
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13 ;******************************************************************************** |
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14 |
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17 PRAGMA SRC_FILE_TIME "Thu Nov 29 09:50:28 2007" |
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18 PRAGMA LAST_MODIFIED "2001-10-26" |
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19 PRAGMA ID_AND_VERSION "6147.112.01.100" |
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20 |
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21 |
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22 |
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23 CONST DUMMY_PH 0 ; Dummy, not used, needed to satisfy tool chain which requires at least one constant definition in a SAP |
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24 |
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25 |
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26 |
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27 VALTAB VAL_ch_type |
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28 VAL 0 CH_TYPE_SACCH "SACCH" |
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29 VAL 1 CH_TYPE_SDCCH "SDCCH" |
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30 VAL 2 CH_TYPE_FACCH "FACCH Full Rate" |
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31 VAL 3 "reserved" |
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32 VAL 4 "reserved" |
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33 VAL 5 "reserved" |
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34 VAL 6 "reserved" |
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35 VAL 7 CH_TYPE_FACCH_HR "FACCH Half Rate" |
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36 |
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37 |
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38 |
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39 |
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40 VAR l2_channel "Layer 2 channel-type" B |
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41 |
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42 VAL @p_mphc - VAL_l2_channel@ |
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43 |
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44 VAR l_buf "length of content in bit" S |
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45 |
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46 |
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47 VAR o_buf "offset of content in bit" S |
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48 |
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49 |
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50 VAR buf "buffer content; the actual size of buf is determined and allocated at run-time and not restricted to 1;" B |
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51 |
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52 |
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53 VAR dummy "dummy not used" B |
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54 |
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55 |
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56 |
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57 |
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58 |
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59 COMP sdu "message unit" |
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60 { |
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61 l_buf ; length of content in bit |
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62 o_buf ; offset of content in bit |
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63 buf [1] ; buffer content; the actual size of buf is determined and allocated at run-time and not restricted to 1; |
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64 } |
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65 |
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66 |
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67 |
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68 |
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69 |
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70 |
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71 ; PH_READY_TO_SEND 0x4100 |
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72 ; PH_DATA_REQ 0x0100 |
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73 ; PH_TRACE_IND 0x4102 |
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74 |
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75 |
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76 |
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77 PRIM PH_READY_TO_SEND 0x4100 |
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78 { |
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79 l2_channel AS ch_type ; channel type |
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80 } |
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81 |
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82 |
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83 |
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84 |
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85 |
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86 |
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87 PRIM PH_DATA_REQ 0x0100 |
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88 { |
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89 l2_channel AS ch_type ; channel type |
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90 dummy ; dummy not used; reserved |
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91 sdu ; message unit |
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92 } |
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93 |
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94 |
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95 |
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96 |
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97 |
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98 |
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99 PRIM PH_TRACE_IND 0x4102 |
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100 { |
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101 dummy ; dummy not used; not used |
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102 } |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 |
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109 |
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110 |
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111 |