FreeCalypso > hg > fc-magnetite
annotate src/gpf2/osl/os_pro_fl.c @ 584:257b1c14db87
tpudrv12.c: TSPEN1 configuration fix for Pirelli DP-L10
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 07 Mar 2019 21:21:20 +0000 |
parents | bc12e6de8a07 |
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rev | line source |
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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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parents:
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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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parents:
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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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parents:
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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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parents:
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136 return(OS_ERROR); |
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parents:
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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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parents:
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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:
diff
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|
146 return(OS_ERROR); |
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parents:
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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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parents:
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150 *stackend = (u_char *) task->tc_stack_end; |
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parents:
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|
151 return(OS_OK); |
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parents:
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|
152 } |
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parents:
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|
153 |
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parents:
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154 GLOBAL LONG |
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parents:
diff
changeset
|
155 os_GetScheduleCount(OS_HANDLE task_handle, int *schedule_count) |
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parents:
diff
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|
156 { |
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parents:
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|
157 NU_TASK *task_cb; |
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parents:
diff
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|
158 |
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parents:
diff
changeset
|
159 if (task_handle > MaxTasks) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 return(OS_ERROR); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 if (!TaskTable[task_handle].Name[0]) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 return(OS_ERROR); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 if (task_handle == OS_NOTASK) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 task_cb = (NU_TASK *) TCD_Current_Thread; |
91e8dac34ada
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parents:
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|
165 else |
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parents:
diff
changeset
|
166 task_cb = &TaskTable[task_handle].TaskCB.TCB; |
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parents:
diff
changeset
|
167 *schedule_count = task_cb->tc_scheduled; |
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parents:
diff
changeset
|
168 return(OS_OK); |
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parents:
diff
changeset
|
169 } |
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parents:
diff
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|
170 |
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parents:
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|
171 GLOBAL LONG |
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parents:
diff
changeset
|
172 os_DestroyTask(OS_HANDLE Caller, OS_HANDLE TaskHandle) |
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parents:
diff
changeset
|
173 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 STATUS sts; |
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parents:
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changeset
|
175 |
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parents:
diff
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|
176 if (NU_Terminate_Task(&TaskTable[TaskHandle].TaskCB.TCB) != NU_SUCCESS) |
91e8dac34ada
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 return(OS_ERROR); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 if (NU_Delete_Task(&TaskTable[TaskHandle].TaskCB.TCB) != NU_SUCCESS) |
91e8dac34ada
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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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 return(OS_ERROR); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
182 sts = NU_Obtain_Semaphore(&ProSemCB, NU_SUSPEND); |
91e8dac34ada
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parents:
diff
changeset
|
183 TaskTable[TaskHandle].Name[0] = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 if (sts == NU_SUCCESS) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 NU_Release_Semaphore(&ProSemCB); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 return(OS_OK); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 |
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parents:
diff
changeset
|
189 GLOBAL LONG |
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parents:
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changeset
|
190 os_CreateTask(OS_HANDLE Caller, char *Name, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 void (*TaskEntry)(OS_HANDLE, ULONG), ULONG StackSize, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
192 USHORT Priority, OS_HANDLE *TaskHandle, OS_HANDLE MemPoolHandle) |
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parents:
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|
193 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 STATUS sem_sts; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
195 USHORT Handle; |
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parents:
diff
changeset
|
196 u_char *stack; |
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parents:
diff
changeset
|
197 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 if (!TaskTable[Handle].Name[0]) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 break; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 if (Handle > MaxTasks) { |
91e8dac34ada
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 return_error: if (sem_sts == NU_SUCCESS) |
91e8dac34ada
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
204 NU_Release_Semaphore(&ProSemCB); |
91e8dac34ada
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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
changeset
|
209 goto return_error; |
91e8dac34ada
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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); |
91e8dac34ada
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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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214 Handle, 0, stack, StackSize, |
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215 255 - Priority, 0, NU_PREEMPT, NU_NO_START) |
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216 != NU_SUCCESS) |
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217 goto return_error; |
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218 strncpy(TaskTable[Handle].Name, Name, RESOURCE_NAMELEN); |
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219 TaskTable[Handle].Name[RESOURCE_NAMELEN-1] = 0; |
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220 TaskTable[Handle].TaskEntry = TaskEntry; |
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221 TaskTable[Handle].TaskCB.magic_nr = OS_NU_TASK_MAGIC; |
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222 TaskTable[Handle].TaskCB.handle = Handle; |
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223 *TaskHandle = Handle; |
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224 if (sem_sts == NU_SUCCESS) |
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225 NU_Release_Semaphore(&ProSemCB); |
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226 return(OS_OK); |
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227 } |
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228 |
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229 GLOBAL LONG |
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230 os_ChangePreemption(char preempt) |
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231 { |
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232 if (NU_Change_Preemption(preempt) == NU_SUCCESS) |
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233 return(OS_OK); |
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234 else |
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235 return(OS_ERROR); |
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236 } |