FreeCalypso > hg > fc-tourmaline
annotate src/gpf/osl/os_pro_ir.c @ 29:9ab2f6dc1974
components/frame_{fl,ir} crafted
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 18:39:09 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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2 * This C module is a reconstruction based on the disassembly of |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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3 * os_pro.obj in frame_na7_db_ir.lib from the Leonardo package. |
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4 */ |
4e78acac3d88
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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 extern VOID *TCD_Current_Thread; |
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17 extern T_OS_TASK_TABLE_ENTRY TaskTable[]; |
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18 extern unsigned os_time_to_tick_multiplier; |
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19 |
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20 #define OS_NU_TASK_MAGIC 0xdeafbeef |
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21 |
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22 VOID |
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23 os_TaskEntry(UNSIGNED TaskHandle, VOID *argv) |
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24 { |
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25 TaskTable[TaskHandle].TaskEntry(TaskHandle, 0); |
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26 } |
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27 |
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28 GLOBAL LONG |
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29 os_SuspendTask(OS_HANDLE Caller, ULONG Time) |
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30 { |
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31 UNSIGNED SuspendTicks; |
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32 |
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33 SuspendTicks = TIME_TO_SYSTEM_TICKS(Time); |
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34 if (!SuspendTicks) |
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35 SuspendTicks = 1; |
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36 NU_Sleep(SuspendTicks); |
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37 return (OS_OK); |
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38 } |
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39 |
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40 GLOBAL LONG |
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Mychaela Falconia <falcon@freecalypso.org>
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41 os_ResumeTask(OS_HANDLE task_handle) |
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42 { |
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43 if (NU_Resume_Task(&TaskTable[task_handle].TaskCB.TCB) == NU_SUCCESS) |
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44 return(OS_OK); |
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45 else |
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46 return(OS_ERROR); |
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47 } |
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48 |
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49 GLOBAL LONG |
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50 os_Relinquish(void) |
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51 { |
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52 NU_Relinquish(); |
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53 return(OS_OK); |
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54 } |
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55 |
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56 GLOBAL OS_HANDLE |
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57 os_MyHandle(void) |
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58 { |
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59 OS_NU_TASK *os_nu_task = (OS_NU_TASK *) TCD_Current_Thread; |
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60 |
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61 if (os_nu_task && os_nu_task->magic_nr == OS_NU_TASK_MAGIC) |
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62 return(os_nu_task->handle); |
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63 else |
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64 return(OS_NOTASK); |
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65 } |
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66 |
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67 GLOBAL LONG |
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68 os_GetTaskName(OS_HANDLE Caller, OS_HANDLE TaskHandle, char *Name) |
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69 { |
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70 if (TaskHandle) { |
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71 if (TaskHandle > MaxTasks || !TaskTable[TaskHandle].Name[0]) |
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72 return(OS_ERROR); |
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73 strcpy(Name, TaskTable[TaskHandle].Name); |
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74 } else if (TCD_Current_Thread) { |
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75 NU_TASK *curtask = TCD_Current_Thread; |
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76 strcpy(Name, curtask->tc_name); |
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77 } else |
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78 strcpy(Name, "ROOT"); |
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79 return(OS_OK); |
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80 } |
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81 |
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82 GLOBAL LONG |
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83 os_DeferTask(OS_HANDLE task_handle, OS_TIME time) |
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84 { |
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85 if (NU_Suspend_Task(&TaskTable[task_handle].TaskCB.TCB) == NU_SUCCESS) |
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86 return(OS_OK); |
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87 else |
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88 return(OS_ERROR); |
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89 } |
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90 |
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91 GLOBAL LONG |
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92 os_CheckTaskStack(OS_HANDLE Handle) |
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93 { |
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94 #ifdef __GNUC__ |
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95 register void *sp asm("sp"); |
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96 #endif |
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97 |
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98 if (*TaskTable[Handle].Stack != GUARD_PATTERN) |
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99 return(OS_ERROR); |
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100 #ifdef __GNUC__ |
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101 if (TCD_Current_Thread) { |
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102 NU_TASK *curtask = TCD_Current_Thread; |
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103 if (sp < curtask->tc_stack_start) |
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104 return(OS_ERROR); |
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105 } |
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106 #endif |
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107 return(OS_OK); |
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108 } |