FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_pro_ir.c @ 597:f18b29e27be5

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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>
date Wed, 27 Mar 2019 22:18:35 +0000
parents dfa8771e84b1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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_ir.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 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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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 }