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author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 12 Jun 2016 19:06:34 +0000
parents afceeeb2cba1
children
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright Mentor Graphics Corporation 2002 */
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4 /* All Rights Reserved. */
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5 /* */
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
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8 /* SUBJECT TO LICENSE TERMS. */
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9 /* */
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10 /*************************************************************************/
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11
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12 /*************************************************************************/
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13 /* */
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14 /* FILE NAME VERSION */
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15 /* */
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16 /* tcf.c Nucleus PLUS 1.14 */
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17 /* */
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18 /* COMPONENT */
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19 /* */
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20 /* TC - Thread Control */
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21 /* */
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22 /* DESCRIPTION */
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23 /* */
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24 /* This file contains information (fact) routines for the Thread */
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25 /* Control component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* None */
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30 /* */
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31 /* FUNCTIONS */
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32 /* */
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33 /* TCF_Established_Tasks Number of created tasks */
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34 /* TCF_Established_HISRs Number of created HISRs */
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35 /* TCF_Task_Pointers Build list of task pointers */
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36 /* TCF_HISR_Pointers Build list of HISR pointers */
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37 /* TCF_Task_Information Retrieve task information */
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38 /* TCF_HISR_Information Retrieve HISR information */
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39 /* */
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40 /* DEPENDENCIES */
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41 /* */
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42 /* cs_extr.h Common Service functions */
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43 /* tc_extr.h Thread Control functions */
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44 /* in_extr.h Initialization/Interrupt */
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45 /* functions */
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46 /* tm_extr.h Timer Control function */
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47 /* er_extr.h Error handling function */
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48 /* hi_extr.h History functions */
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49 /* */
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50 /* HISTORY */
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51 /* */
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52 /* DATE REMARKS */
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53 /* */
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54 /* 03-01-1994 Created initial version 1.1 from */
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55 /* original 1.0g version of TCC.C */
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56 /* */
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57 /* 03-18-1994 Verified version 1.1 */
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58 /* 04-17-1996 updated to version 1.2 */
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59 /* 11-18-1996 Protected Informational service */
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60 /* from NULL Control Block pointers */
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61 /* creating 1.2a. (SPR220) */
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62 /* 03-24-1998 Released version 1.3. */
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63 /* 03-26-1999 Released 1.11m (new release */
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64 /* numbering scheme) */
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65 /* 04-17-2002 Released version 1.13m */
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66 /* 11-07-2002 Released version 1.14 */
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67 /*************************************************************************/
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68 #define NU_SOURCE_FILE
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69
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70
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71 #include "cs_extr.h" /* Common service functions */
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72 #include "tc_extr.h" /* Thread control functions */
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73 #include "in_extr.h" /* Initialization/Interrupt */
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74 /* functions */
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75 #include "tm_extr.h" /* Timer control functions */
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76 #include "er_extr.h" /* Error handling function */
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77 #include "hi_extr.h" /* History functions */
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78
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79
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80 /* Define external inner-component global data references. */
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81
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82 extern CS_NODE *TCD_Created_Tasks_List;
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83 extern UNSIGNED TCD_Total_Tasks;
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84 extern TC_TCB *TCD_Priority_List[TC_PRIORITIES];
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85 extern UNSIGNED TCD_Priority_Groups;
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86 extern DATA_ELEMENT TCD_Sub_Priority_Groups[TC_MAX_GROUPS];
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87 extern UNSIGNED_CHAR TCD_Lowest_Set_Bit[];
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88 extern INT TCD_Highest_Priority;
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89 extern TC_TCB *TCD_Execute_Task;
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90 extern VOID *TCD_Current_Thread;
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91 extern UNSIGNED_CHAR TCD_Registered_LISRs[NU_MAX_VECTORS+1];
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92 extern VOID (*TCD_LISR_Pointers[NU_MAX_LISRS+1])(INT vector);
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93 extern INT TCD_Interrupt_Count;
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94 extern INT TCD_Stack_Switched;
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95 extern TC_PROTECT TCD_List_Protect;
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96 extern TC_PROTECT TCD_Schedule_Protect;
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97 extern TC_PROTECT TCD_LISR_Protect;
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98 extern CS_NODE *TCD_Created_HISRs_List;
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99 extern UNSIGNED TCD_Total_HISRs;
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100 extern TC_PROTECT TCD_HISR_Protect;
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101 extern INT TCD_Unhandled_Interrupt;
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102
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103
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104 /* Define external inner-component function calls that are not available to
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105 other components. */
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106
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107 VOID TCT_Build_Task_Stack(TC_TCB *task_ptr);
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108 VOID TCT_Build_HISR_Stack(TC_HCB *hisr_ptr);
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109 VOID TCT_Build_Signal_Frame(TC_TCB *task_ptr);
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110 VOID TCT_Protect_Switch(TC_TCB *task);
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111 VOID TCT_Signal_Exit(VOID);
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112
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113
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114
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115 /*************************************************************************/
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116 /* */
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117 /* FUNCTION */
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118 /* */
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119 /* TCF_Established_Tasks */
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120 /* */
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121 /* DESCRIPTION */
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122 /* */
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123 /* This function returns the current number of established tasks. */
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124 /* Tasks previously deleted are no longer considered established. */
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125 /* */
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126 /* CALLED BY */
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127 /* */
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128 /* Application */
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129 /* */
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130 /* CALLS */
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131 /* */
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132 /* [TCT_Check_Stack] Stack checking function */
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133 /* */
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134 /* INPUTS */
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135 /* */
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136 /* None */
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137 /* */
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138 /* OUTPUTS */
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139 /* */
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140 /* TCD_Total_Tasks Number of established tasks */
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141 /* */
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142 /* HISTORY */
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diff changeset
143 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144 /* DATE REMARKS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 /* 03-01-1993 Created initial version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 /* 04-19-1993 Verified version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 UNSIGNED TCF_Established_Tasks(VOID)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 #ifdef NU_ENABLE_STACK_CHECK
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 /* Call stack checking function to check for an overflow condition. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 TCT_Check_Stack();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
159 #endif
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 /* Return the number of established tasks. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 return(TCD_Total_Tasks);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
168 /* FUNCTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
169 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
170 /* TCF_Established_HISRs */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
171 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
172 /* DESCRIPTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 /* This function returns the current number of established HISRs. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
175 /* HISRs previously deleted are no longer considered established. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
176 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
177 /* CALLED BY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
178 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
179 /* Application */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
181 /* CALLS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
182 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
183 /* [TCT_Check_Stack] Stack checking function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
184 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 /* INPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
186 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 /* None */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
188 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
189 /* OUTPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191 /* TCD_Total_HISRs Number of established HISRs */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 /* HISTORY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 /* DATE REMARKS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197 /* 03-01-1993 Created initial version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198 /* 04-19-1993 Verified version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 UNSIGNED TCF_Established_HISRs(VOID)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 #ifdef NU_ENABLE_STACK_CHECK
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 /* Call stack checking function to check for an overflow condition. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 TCT_Check_Stack();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 #endif
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 /* Return the number of established HISRs. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 return(TCD_Total_HISRs);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 /* FUNCTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
220 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 /* TCF_Task_Pointers */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 /* DESCRIPTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 /* This function builds a list of task pointers, starting at the */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 /* specified location. The number of task pointers placed in the */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 /* list is equivalent to the total number of tasks or the maximum */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 /* number of pointers specified in the call. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 /* CALLED BY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 /* Application */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 /* CALLS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
235 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 /* [TCT_Check_Stack] Stack checking function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 /* TCT_System_Protect Protect task created list */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 /* TCT_Unprotect Release protection of list */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
240 /* INPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
241 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 /* pointer_list Pointer to the list area */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 /* maximum_pointers Maximum number of pointers */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245 /* OUTPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 /* pointers Number of tasks placed in */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 /* list */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
249 /* HISTORY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 /* DATE REMARKS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 /* 03-01-1993 Created initial version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
254 /* 04-19-1993 Verified version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
255 /* 08-09-1993 Corrected pointer retrieval */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 /* loop, resulting in version 1.0c */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
257 /* 08-09-1993 Verified version 1.0c */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
258 /* 03-01-1994 Modified function interface, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
259 /* resulting in version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
260 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
261 /* 03-18-1994 Verified version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
262 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
263 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
264 UNSIGNED TCF_Task_Pointers(NU_TASK **pointer_list, UNSIGNED maximum_pointers)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
265 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
266
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
267 CS_NODE *node_ptr; /* Pointer to each TCB */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
268 UNSIGNED pointers; /* Number of pointers in list*/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
269 NU_SUPERV_USER_VARIABLES
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
270
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
271 /* Switch to supervisor mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
272 NU_SUPERVISOR_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
273
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
274 #ifdef NU_ENABLE_STACK_CHECK
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
275
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
276 /* Call stack checking function to check for an overflow condition. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
277 TCT_Check_Stack();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
278
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
279 #endif
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
280
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
281 /* Initialize the number of pointers returned. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
282 pointers = 0;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
283
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
284 /* Protect the task created list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
285 TCT_Protect(&TCD_List_Protect);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
286
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
287 /* Loop until all task pointers are in the list or until the maximum
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
288 list size is reached. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
289 node_ptr = TCD_Created_Tasks_List;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
290 while ((node_ptr) && (pointers < maximum_pointers))
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
291 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
292
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
293 /* Place the node into the destination list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
294 *pointer_list++ = (NU_TASK *) node_ptr;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
295
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
296 /* Increment the pointers variable. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
297 pointers++;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
298
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
299 /* Position the node pointer to the next node. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
300 node_ptr = node_ptr -> cs_next;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
301
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
302 /* Determine if the pointer is at the head of the list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
303 if (node_ptr == TCD_Created_Tasks_List)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
304
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
305 /* The list search is complete. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
306 node_ptr = NU_NULL;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
307 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
308
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
309 /* Release protection. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
310 TCT_Unprotect();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
311
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
312 /* Return to user mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
313 NU_USER_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
314
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
315 /* Return the number of pointers in the list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
316 return(pointers);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
317 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
318
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
319
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
320 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
321 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
322 /* FUNCTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
323 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
324 /* TCF_HISR_Pointers */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
325 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
326 /* DESCRIPTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
327 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
328 /* This function builds a list of HISR pointers, starting at the */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
329 /* specified location. The number of HISR pointers placed in the */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
330 /* list is equivalent to the total number of HISRs or the maximum */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
331 /* number of pointers specified in the call. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
332 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
333 /* CALLED BY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
334 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
335 /* Application */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
336 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
337 /* CALLS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
338 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
339 /* [TCT_Check_Stack] Stack checking function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
340 /* TCT_Protect Protect HISR created list */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
341 /* TCT_Unprotect Release protection of list */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
342 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
343 /* INPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
344 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
345 /* pointer_list Pointer to the list area */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
346 /* maximum_pointers Maximum number of pointers */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
347 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
348 /* OUTPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
349 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
350 /* Number of HISRs placed in */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
351 /* list */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
352 /* HISTORY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
353 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
354 /* DATE REMARKS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
355 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
356 /* 03-01-1993 Created initial version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
357 /* 04-19-1993 Verified version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
358 /* 08-09-1993 Corrected pointer retrieval */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
359 /* loop, resulting in version 1.0c */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
360 /* 08-09-1993 Verified version 1.0c */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
361 /* 03-01-1994 Modified function interface, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
362 /* resulting in version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
363 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
364 /* 03-18-1994 Verified version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
365 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
366 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
367 UNSIGNED TCF_HISR_Pointers(NU_HISR **pointer_list, UNSIGNED maximum_pointers)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
368 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
369
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
370 CS_NODE *node_ptr; /* Pointer to each TCB */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
371 UNSIGNED pointers; /* Number of pointers in list*/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
372 NU_SUPERV_USER_VARIABLES
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
373
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
374 /* Switch to supervisor mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
375 NU_SUPERVISOR_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
376
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
377 #ifdef NU_ENABLE_STACK_CHECK
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
378
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
379 /* Call stack checking function to check for an overflow condition. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
380 TCT_Check_Stack();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
381
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
382 #endif
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
383
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
384 /* Initialize the number of pointers returned. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
385 pointers = 0;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
386
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
387 /* Protect the HISR created list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
388 TCT_Protect(&TCD_HISR_Protect);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
389
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
390 /* Loop until all HISR pointers are in the list or until the maximum
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
391 list size is reached. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
392 node_ptr = TCD_Created_HISRs_List;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
393 while ((node_ptr) && (pointers < maximum_pointers))
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
394 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
395
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
396 /* Place the node into the destination list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
397 *pointer_list++ = (NU_HISR *) node_ptr;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
398
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
399 /* Increment the pointers variable. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
400 pointers++;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
401
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
402 /* Position the node pointer to the next node. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
403 node_ptr = node_ptr -> cs_next;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
404
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
405 /* Determine if the pointer is at the head of the list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
406 if (node_ptr == TCD_Created_HISRs_List)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
407
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
408 /* The list search is complete. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
409 node_ptr = NU_NULL;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
410 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
411
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
412 /* Release protection. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
413 TCT_Unprotect();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
414
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
415 /* Return to user mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
416 NU_USER_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
417
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
418 /* Return the number of pointers in the list. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
419 return(pointers);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
420 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
421
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
422
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
423 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
424 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
425 /* FUNCTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
426 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
427 /* TCF_Task_Information */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
428 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
429 /* DESCRIPTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
430 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
431 /* This function returns information about the specified task. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
432 /* However, if the supplied task pointer is invalid, the function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
433 /* simply returns an error status. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
434 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
435 /* CALLED BY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
436 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
437 /* Application */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
438 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
439 /* CALLS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
440 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
441 /* [TCT_Check_Stack] Stack checking function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
442 /* TCT_System_Protect Protect scheduling info */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
443 /* TCT_Unprotect Release protection */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
444 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
445 /* INPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
446 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
447 /* task_ptr Pointer to the task */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
448 /* name Destination for the name */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
449 /* status Destination for task status */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
450 /* scheduled_count Destination for scheduled */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
451 /* count of the task */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
452 /* priority Destination for task priority*/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
453 /* preempt Destination for preempt flag */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
454 /* time_slice Destination for time slice */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
455 /* stack_base Destination for pointer to */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
456 /* base of task's stack */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
457 /* stack_size Destination for stack size */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
458 /* minimum_stack Destination for the minimum */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
459 /* running size of the stack */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
460 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
461 /* OUTPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
462 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
463 /* NU_SUCCESS If a valid task pointer is */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
464 /* supplied */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
465 /* NU_INVALID_TASK If task pointer is invalid */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
466 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
467 /* HISTORY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
468 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
469 /* DATE REMARKS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
470 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
471 /* 03-01-1993 Created initial version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
472 /* 04-19-1993 Verified version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
473 /* 03-01-1994 Modified function interface, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
474 /* added register optimizations, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
475 /* changed protection logic, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
476 /* resulting in version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
477 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
478 /* 03-18-1994 Verified version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
479 /* 11-18-1996 Corrected SPR220. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
480 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
481 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
482 STATUS TCF_Task_Information(NU_TASK *task_ptr, CHAR *name,
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
483 DATA_ELEMENT *status, UNSIGNED *scheduled_count,
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
484 DATA_ELEMENT *priority, OPTION *preempt, UNSIGNED *time_slice,
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
485 VOID **stack_base, UNSIGNED *stack_size, UNSIGNED *minimum_stack)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
486 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
487
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
488 R1 TC_TCB *task; /* Task control block ptr */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
489 INT i; /* Working index */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
490 STATUS completion; /* Completion status */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
491 NU_SUPERV_USER_VARIABLES
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
492
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
493 /* Switch to supervisor mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
494 NU_SUPERVISOR_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
495
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
496 /* Move task control block pointer into internal pointer. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
497 task = (TC_TCB *) task_ptr;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
498
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
499
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
500 #ifdef NU_ENABLE_STACK_CHECK
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
501
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
502 /* Call stack checking function to check for an overflow condition. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
503 TCT_Check_Stack();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
504
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
505 #endif
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
506
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
507 /* Determine if this task is valid. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
508 if ((task != NU_NULL) && (task -> tc_id == TC_TASK_ID))
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
509 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
510
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
511 /* Protect against scheduling changes. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
512 TCT_System_Protect();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
513
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
514 /* The task pointer is successful. Reflect this in the completion
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
515 status and fill in the actual information. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
516 completion = NU_SUCCESS;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
517
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
518 /* Copy the task's name. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
519 for (i = 0; i < NU_MAX_NAME; i++)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
520 *name++ = task -> tc_name[i];
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
521
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
522 /* Determine the preemption posture. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
523 if (task -> tc_preemption)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
524 *preempt = NU_PREEMPT;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
525 else
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
526 *preempt = NU_NO_PREEMPT;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
527
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
528 /* Setup the remaining fields. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
529 *status = task -> tc_status;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
530 *scheduled_count = task -> tc_scheduled;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
531 *priority = task -> tc_priority;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
532 *time_slice = task -> tc_time_slice;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
533 *stack_base = task -> tc_stack_start;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
534 *stack_size = task -> tc_stack_size;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
535 *minimum_stack = task -> tc_stack_minimum;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
536
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
537 /* Release protection. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
538 TCT_Unprotect();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
539 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
540 else
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
541
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
542 /* Indicate that the task pointer is invalid. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
543 completion = NU_INVALID_TASK;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
544
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
545 /* Return to user mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
546 NU_USER_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
547
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
548 /* Return the appropriate completion status. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
549 return(completion);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
550 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
551
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
552
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
553 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
554 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
555 /* FUNCTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
556 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
557 /* TCF_HISR_Information */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
558 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
559 /* DESCRIPTION */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
560 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
561 /* This function returns information about the specified HISR. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
562 /* However, if the supplied HISR pointer is invalid, the function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
563 /* simply returns an error status. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
564 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
565 /* CALLED BY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
566 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
567 /* Application */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
568 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
569 /* CALLS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
570 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
571 /* [TCT_Check_Stack] Stack checking function */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
572 /* TCT_System_Protect Protect scheduling info */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
573 /* TCT_Unprotect Release protection */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
574 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
575 /* INPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
576 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
577 /* hisr_ptr Pointer to the hisr */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
578 /* name Destination for the name */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
579 /* scheduled_count Destination for scheduled */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
580 /* count of the HISR */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
581 /* priority Destination for HISR priority*/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
582 /* stack_base Destination for pointer to */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
583 /* base of HISR's stack */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
584 /* stack_size Destination for stack size */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
585 /* minimum_stack Destination for the minimum */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
586 /* running size of the stack */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
587 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
588 /* OUTPUTS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
589 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
590 /* NU_SUCCESS If a valid HISR pointer is */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
591 /* supplied */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
592 /* NU_INVALID_HISR If HISR pointer is invalid */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
593 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
594 /* HISTORY */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
595 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
596 /* DATE REMARKS */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
597 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
598 /* 03-01-1993 Created initial version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
599 /* 04-19-1993 Verified version 1.0 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
600 /* 03-01-1994 Modified function interface, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
601 /* added register optimizations, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
602 /* changed protection logic, */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
603 /* resulting in version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
604 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
605 /* 03-18-1994 Verified version 1.1 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
606 /* 11-18-1996 Corrected SPR220. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
607 /* */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
608 /*************************************************************************/
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
609 STATUS TCF_HISR_Information(NU_HISR *hisr_ptr, CHAR *name,
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
610 UNSIGNED *scheduled_count, DATA_ELEMENT *priority,
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
611 VOID **stack_base, UNSIGNED *stack_size, UNSIGNED *minimum_stack)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
612 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
613
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
614 R1 TC_HCB *hisr; /* HISR control block ptr */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
615 INT i; /* Working index */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
616 STATUS completion; /* Completion status */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
617 NU_SUPERV_USER_VARIABLES
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
618
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
619 /* Switch to supervisor mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
620 NU_SUPERVISOR_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
621
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
622 /* Move input HISR control block pointer into internal pointer. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
623 hisr = (TC_HCB *) hisr_ptr;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
624
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
625
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
626 #ifdef NU_ENABLE_STACK_CHECK
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
627
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
628 /* Call stack checking function to check for an overflow condition. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
629 TCT_Check_Stack();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
630
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
631 #endif
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
632
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
633 /* Determine if this HISR is valid. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
634 if ((hisr != NU_NULL) && (hisr -> tc_id == TC_HISR_ID))
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
635 {
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
636
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
637 /* Protect against scheduling changes. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
638 TCT_System_Protect();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
639
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
640 /* The HISR pointer is successful. Reflect this in the completion
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
641 status and fill in the actual information. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
642 completion = NU_SUCCESS;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
643
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
644 /* Copy the hisr's name. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
645 for (i = 0; i < NU_MAX_NAME; i++)
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
646 *name++ = hisr -> tc_name[i];
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
647
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
648 /* Setup the remaining fields. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
649 *scheduled_count = hisr -> tc_scheduled;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
650 *priority = hisr -> tc_priority;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
651 *stack_base = hisr -> tc_stack_start;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
652 *stack_size = hisr -> tc_stack_size;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
653 *minimum_stack = hisr -> tc_stack_minimum;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
654
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
655 /* Release protection. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
656 TCT_Unprotect();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
657 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
658 else
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
659
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
660 /* Indicate that the HISR pointer is invalid. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
661 completion = NU_INVALID_HISR;
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
662
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
663 /* Return to user mode */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
664 NU_USER_MODE();
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
665
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
666 /* Return the appropriate completion status. */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
667 return(completion);
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
668 }
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
669
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
670
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
671
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
672