FreeCalypso > hg > fc-magnetite
annotate src/gpf2/osl/os_pro_fl.c @ 597:f18b29e27be5
First attempt at MCSI voice path automatic switching
The function is implemented at the ACI level in both aci2 and aci3,
successfully avoids triggering the DSP bug on the first call,
but the shutdown of MCSI upon call completion is not working properly yet
in either version.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 27 Mar 2019 22:18:35 +0000 |
parents | bc12e6de8a07 |
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rev | line source |
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487
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1 /* |
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2 * This C module is a reconstruction based on the disassembly of |
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3 * os_pro.obj in frame_na7_db_fl.lib from the Leonardo package. |
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4 */ |
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5 |
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6 /* set of included headers from COFF symtab: */ |
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7 #include <stdio.h> |
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8 #include <string.h> |
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9 #include "nucleus.h" |
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10 #include "typedefs.h" |
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11 #include "os.h" |
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12 #include "gdi.h" |
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13 #include "os_types.h" |
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14 #include "os_glob.h" |
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15 |
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16 typedef unsigned char u_char; |
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17 |
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18 extern VOID *TCD_Current_Thread; |
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19 extern T_OS_TASK_TABLE_ENTRY TaskTable[]; |
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20 extern VOID os_TaskEntry(UNSIGNED, VOID *); |
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21 |
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22 static NU_SEMAPHORE ProSemCB; |
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23 |
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24 #define OS_NU_TASK_MAGIC 0xdeafbeef |
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25 |
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26 static int |
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27 os_GetTaskEntry(USHORT Index, OS_HANDLE *Handle) |
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28 { |
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29 static USHORT Idx; |
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30 |
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31 if (Index == FIRST_ENTRY) |
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32 Idx = 0; |
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33 if (Index == FIRST_ENTRY || Index == NEXT_ENTRY) { |
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34 while (++Idx <= MaxTasks && !TaskTable[Idx].Name[0]) |
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35 ; |
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36 } else |
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37 Idx = Index; |
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38 if (Idx <= MaxTasks && TaskTable[Idx].Name[0]) { |
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39 *Handle = Idx; |
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40 return(0); |
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41 } else |
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42 return(-1); |
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43 } |
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44 |
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45 GLOBAL LONG |
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46 os_TaskInformation(USHORT Index, char *Buffer) |
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47 { |
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48 DATA_ELEMENT TaskStatus; |
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49 OPTION Prio, Preempt; |
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50 UNSIGNED Count, TimeSlice, Size, MinStack; |
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51 OS_HANDLE Handle; |
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52 CHAR Name[NU_MAX_NAME]; |
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53 u_char *StackBase, *sp; |
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54 USHORT Untouched; |
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55 |
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56 if (os_GetTaskEntry(Index, &Handle) < 0) |
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57 return(OS_ERROR); |
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58 if (NU_Task_Information(&TaskTable[Handle].TaskCB.TCB, Name, |
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59 &TaskStatus, &Count, &Prio, &Preempt, |
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60 &TimeSlice, (VOID **) &StackBase, |
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61 &Size, &MinStack) != NU_SUCCESS) |
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62 return(OS_ERROR); |
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63 Untouched = 0; |
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64 for (sp = StackBase; sp < StackBase + Size; sp++) { |
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65 if (*sp != INITIAL_STACK_VALUE) |
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66 break; |
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67 Untouched++; |
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68 } |
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69 sprintf(Buffer, |
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70 "Name:%s Stat:%d Count:%ld Prio:%d Stack:%lx Size:%ld Untouched:%d", |
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71 Name, TaskStatus, Count, 255 - Prio, (ULONG) StackBase, |
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72 (LONG) Size, Untouched); |
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73 return(OS_OK); |
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74 } |
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75 |
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76 GLOBAL LONG |
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77 os_StopTask(OS_HANDLE Caller, OS_HANDLE TaskHandle) |
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78 { |
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79 if (NU_Suspend_Task(&TaskTable[TaskHandle].TaskCB.TCB) == NU_SUCCESS) |
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80 return(OS_OK); |
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81 else |
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82 return(OS_ERROR); |
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83 } |
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84 |
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85 GLOBAL LONG |
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86 os_StartTask(OS_HANDLE Caller, OS_HANDLE TaskHandle, ULONG Value) |
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87 { |
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88 if (NU_Resume_Task(&TaskTable[TaskHandle].TaskCB.TCB) == NU_SUCCESS) |
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89 return(OS_OK); |
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90 else |
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91 return(OS_ERROR); |
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92 } |
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93 |
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94 GLOBAL LONG |
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95 os_ProInit(void) |
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96 { |
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97 USHORT i; |
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98 |
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99 if (NU_Create_Semaphore(&ProSemCB, "PROSEM", 1, NU_PRIORITY) |
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100 != NU_SUCCESS) |
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101 return(OS_ERROR); |
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102 for (i = 1; i <= MaxTasks; i++) |
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103 memset(&TaskTable[i], 0, sizeof(T_OS_TASK_TABLE_ENTRY)); |
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104 return(OS_OK); |
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105 } |
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106 |
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107 GLOBAL unsigned char |
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108 os_GetTaskState(OS_HANDLE Caller, OS_HANDLE Handle) |
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109 { |
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110 if (TaskTable[Handle].Name[0]) |
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111 return(TaskTable[Handle].TaskCB.TCB.tc_status); |
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112 else |
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113 return(255); |
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114 } |
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115 |
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116 GLOBAL LONG |
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117 os_GetTaskHandle(OS_HANDLE Caller, char *Name, OS_HANDLE *TaskHandle) |
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118 { |
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119 USHORT i; |
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120 |
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121 if (!Name) { |
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122 OS_NU_TASK *os_nu_task = (OS_NU_TASK *) TCD_Current_Thread; |
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123 |
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124 if (os_nu_task && os_nu_task->magic_nr == OS_NU_TASK_MAGIC) |
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125 *TaskHandle = os_nu_task->handle; |
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126 else |
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127 *TaskHandle = OS_NOTASK; |
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128 return(OS_OK); |
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129 } |
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130 for (i = 1; i <= MaxTasks; i++) |
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131 if (TaskTable[i].Name[0] && |
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132 !strncmp(Name, TaskTable[i].Name, RESOURCE_NAMELEN - 1)) { |
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133 *TaskHandle = i; |
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134 return(OS_OK); |
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135 } |
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136 return(OS_ERROR); |
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137 } |
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138 |
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139 GLOBAL LONG |
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140 os_GetTaskData(OS_HANDLE Handle, unsigned **tcb, |
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parents:
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141 u_char **stackbegin, u_char **stackend) |
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142 { |
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143 NU_TASK *task; |
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144 |
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145 if (!TaskTable[Handle].Name[0]) |
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parents:
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146 return(OS_ERROR); |
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147 task = &TaskTable[Handle].TaskCB.TCB; |
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148 *tcb = (unsigned *) task; |
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149 *stackbegin = (u_char *) task->tc_stack_start; |
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150 *stackend = (u_char *) task->tc_stack_end; |
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151 return(OS_OK); |
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152 } |
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|
153 |
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154 GLOBAL LONG |
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parents:
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|
155 os_GetScheduleCount(OS_HANDLE task_handle, int *schedule_count) |
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parents:
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|
156 { |
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|
157 NU_TASK *task_cb; |
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parents:
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|
158 |
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parents:
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|
159 if (task_handle > MaxTasks) |
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parents:
diff
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|
160 return(OS_ERROR); |
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parents:
diff
changeset
|
161 if (!TaskTable[task_handle].Name[0]) |
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parents:
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|
162 return(OS_ERROR); |
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parents:
diff
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|
163 if (task_handle == OS_NOTASK) |
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parents:
diff
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|
164 task_cb = (NU_TASK *) TCD_Current_Thread; |
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|
165 else |
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parents:
diff
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|
166 task_cb = &TaskTable[task_handle].TaskCB.TCB; |
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parents:
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|
167 *schedule_count = task_cb->tc_scheduled; |
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parents:
diff
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|
168 return(OS_OK); |
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parents:
diff
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|
169 } |
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parents:
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|
170 |
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171 GLOBAL LONG |
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|
172 os_DestroyTask(OS_HANDLE Caller, OS_HANDLE TaskHandle) |
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parents:
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|
173 { |
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parents:
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|
174 STATUS sts; |
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|
175 |
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|
176 if (NU_Terminate_Task(&TaskTable[TaskHandle].TaskCB.TCB) != NU_SUCCESS) |
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parents:
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|
177 return(OS_ERROR); |
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parents:
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|
178 if (NU_Delete_Task(&TaskTable[TaskHandle].TaskCB.TCB) != NU_SUCCESS) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 return(OS_ERROR); |
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parents:
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|
180 if (os_DeallocateMemory(Caller, TaskTable[TaskHandle].Stack) != OS_OK) |
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parents:
diff
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|
181 return(OS_ERROR); |
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|
182 sts = NU_Obtain_Semaphore(&ProSemCB, NU_SUSPEND); |
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parents:
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|
183 TaskTable[TaskHandle].Name[0] = 0; |
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parents:
diff
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|
184 if (sts == NU_SUCCESS) |
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parents:
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|
185 NU_Release_Semaphore(&ProSemCB); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
186 return(OS_OK); |
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parents:
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|
187 } |
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parents:
diff
changeset
|
188 |
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189 GLOBAL LONG |
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|
190 os_CreateTask(OS_HANDLE Caller, char *Name, |
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191 void (*TaskEntry)(OS_HANDLE, ULONG), ULONG StackSize, |
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|
192 USHORT Priority, OS_HANDLE *TaskHandle, OS_HANDLE MemPoolHandle) |
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|
193 { |
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|
194 STATUS sem_sts; |
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|
195 USHORT Handle; |
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|
196 u_char *stack; |
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parents:
diff
changeset
|
197 |
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parents:
diff
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|
198 sem_sts = NU_Obtain_Semaphore(&ProSemCB, NU_SUSPEND); |
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parents:
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199 for (Handle = 1; Handle <= MaxTasks; Handle++) |
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|
200 if (!TaskTable[Handle].Name[0]) |
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parents:
diff
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|
201 break; |
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parents:
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changeset
|
202 if (Handle > MaxTasks) { |
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parents:
diff
changeset
|
203 return_error: if (sem_sts == NU_SUCCESS) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
204 NU_Release_Semaphore(&ProSemCB); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 return(OS_ERROR); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 if (os_AllocateMemory(Handle, &TaskTable[Handle].Stack, StackSize + 4, |
91e8dac34ada
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 0, MemPoolHandle) != OS_OK) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
209 goto return_error; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 stack = (u_char *)TaskTable[Handle].Stack + 4; |
91e8dac34ada
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 memset(stack, INITIAL_STACK_VALUE, StackSize); |
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212 *TaskTable[Handle].Stack = GUARD_PATTERN; |
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213 if (NU_Create_Task(&TaskTable[Handle].TaskCB.TCB, Name, os_TaskEntry, |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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214 Handle, 0, stack, StackSize, |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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215 255 - Priority, 0, NU_PREEMPT, NU_NO_START) |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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216 != NU_SUCCESS) |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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217 goto return_error; |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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218 strncpy(TaskTable[Handle].Name, Name, RESOURCE_NAMELEN); |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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219 TaskTable[Handle].Name[RESOURCE_NAMELEN-1] = 0; |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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220 TaskTable[Handle].TaskEntry = TaskEntry; |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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221 TaskTable[Handle].TaskCB.magic_nr = OS_NU_TASK_MAGIC; |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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222 TaskTable[Handle].TaskCB.handle = Handle; |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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223 *TaskHandle = Handle; |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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224 if (sem_sts == NU_SUCCESS) |
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Mychaela Falconia <falcon@freecalypso.org>
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225 NU_Release_Semaphore(&ProSemCB); |
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Mychaela Falconia <falcon@freecalypso.org>
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226 return(OS_OK); |
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Mychaela Falconia <falcon@freecalypso.org>
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227 } |
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Mychaela Falconia <falcon@freecalypso.org>
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228 |
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Mychaela Falconia <falcon@freecalypso.org>
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229 GLOBAL LONG |
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Mychaela Falconia <falcon@freecalypso.org>
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230 os_ChangePreemption(char preempt) |
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Mychaela Falconia <falcon@freecalypso.org>
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231 { |
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Mychaela Falconia <falcon@freecalypso.org>
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232 if (NU_Change_Preemption(preempt) == NU_SUCCESS) |
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Mychaela Falconia <falcon@freecalypso.org>
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233 return(OS_OK); |
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Mychaela Falconia <falcon@freecalypso.org>
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234 else |
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src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
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235 return(OS_ERROR); |
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Mychaela Falconia <falcon@freecalypso.org>
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236 } |