FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_com_ir.c @ 639:026c98f757a6

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tpudrv12.h & targets/gtm900.h: our current support is for MGC2GSMT version only As it turns out, there exist two different Huawei-made hw platforms both bearing the marketing name GTM900-B: one is MG01GSMT, the other is MGC2GSMT. The two are NOT fw-compatible: aside from flash chip differences which should be handled by autodetection, the two hw platforms are already known to have different RFFEs with different control signals, and there may be other differences not yet known. Our current gtm900 build target is for MGC2GSMT only; we do not yet have a specimen of MG01GSMT on hand, hence no support for that version will be possible until and unless someone provides one.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 30 Jan 2020 18:19:01 +0000
parents a996d0429c59
children
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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_com.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 TC_PROTECT TCD_System_Protect;
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17 extern VOID TCT_Protect(TC_PROTECT *protect);
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18 extern VOID TCT_Unprotect(VOID);
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19 extern VOID TCT_Unprotect_Specific(TC_PROTECT *protect);
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20
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21 #define My_System_Protect() TCT_Protect(&TCD_System_Protect)
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22 #define My_System_Unprotect() TCT_Unprotect_Specific(&TCD_System_Protect)
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23
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24 extern T_OS_COM_TABLE_ENTRY ComTable[];
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25 extern unsigned os_tick_to_time_multiplier;
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26
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27 extern int ObtainSemaphoreCB(NU_SEMAPHORE *SemCB, ULONG Timeout,
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28 USHORT wait_check);
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29 extern int ReleaseSemaphoreCB(NU_SEMAPHORE *SemCB);
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30
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31 GLOBAL LONG
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32 os_SendToQueue(OS_HANDLE TaskHandle, OS_HANDLE ComHandle, USHORT Priority,
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33 ULONG Suspend, OS_QDATA *Msg)
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34 {
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35 T_OS_COM_TABLE_ENTRY *pTable;
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36 T_QDATA_ELEMENT *elem;
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37 T_QUEUE *queue;
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38 int ret;
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39 NU_SEMAPHORE *CBPtr;
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40 USHORT watmark;
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41
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42 if (ComHandle <= 0 || ComHandle > MaxCommunications)
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43 return(OS_INVALID_QUEUE);
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44 pTable = ComTable + ComHandle;
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45 if (!pTable->Name[0])
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46 return(OS_INVALID_QUEUE);
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47 CBPtr = &pTable->FreeSemCB;
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48 ret = ObtainSemaphoreCB(CBPtr, Suspend, 1);
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49 if (ret == OS_ERROR || ret == OS_TIMEOUT)
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50 return(ret);
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51 My_System_Protect();
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52 elem = pTable->pFreeElement;
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53 pTable->pFreeElement = elem->pNext;
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54 memcpy(&elem->Data, Msg, sizeof(OS_QDATA));
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55 queue = &pTable->Queue[Priority - OS_MIN_PRIORITY];
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56 *queue->pWrite++ = &elem->Data;
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57 if (queue->pWrite - queue->pStart >= pTable->Entries + 1)
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58 queue->pWrite = queue->pStart;
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59 watmark = pTable->Entries - CBPtr->sm_semaphore_count;
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60 if (pTable->MaxUsed < watmark)
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61 pTable->MaxUsed = watmark;
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62 My_System_Unprotect();
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63 ReleaseSemaphoreCB(&pTable->UsedSemCB);
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64 return(ret);
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65 }
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66
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67 GLOBAL LONG
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68 os_ReceiveFromQueue(OS_HANDLE TaskHandle, OS_HANDLE ComHandle,
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69 OS_QDATA *Msg, ULONG Timeout)
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70 {
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71 T_QDATA_ELEMENT *pElem;
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72 UNSIGNED c_time;
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73 int ret;
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74 USHORT i;
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75 T_QUEUE *pQueue;
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76 T_OS_COM_TABLE_ENTRY *pTable;
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77
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78 pTable = ComTable + ComHandle;
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79 if (!pTable->Name[0])
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80 return(OS_ERROR);
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81 pTable->current_msg.type = 0;
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82 ret = ObtainSemaphoreCB(&pTable->UsedSemCB, Timeout, 0);
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83 if (ret == OS_ERROR || ret == OS_TIMEOUT)
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84 return(ret);
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85 My_System_Protect();
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86 for (i = OS_MAX_PRIORITY; i >= OS_MIN_PRIORITY; i--) {
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87 pQueue = &pTable->Queue[i - OS_MIN_PRIORITY];
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88 if (pQueue->pWrite != pQueue->pRead)
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89 break;
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90 }
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91 if (i < OS_MIN_PRIORITY) {
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92 My_System_Unprotect();
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93 ReleaseSemaphoreCB(&pTable->FreeSemCB);
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94 return(OS_ERROR);
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95 }
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96 memcpy(Msg, *pQueue->pRead, sizeof(OS_QDATA));
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97 pElem = (T_QDATA_ELEMENT *)*pQueue->pRead++;
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98 pElem->Data.data16 = 0;
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99 pElem->pNext = pTable->pFreeElement;
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100 pTable->pFreeElement = pElem;
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101 if (pQueue->pRead - pQueue->pStart >= pTable->Entries + 1)
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102 pQueue->pRead = pQueue->pStart;
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103 pTable->current_msg.type = Msg->data16;
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104 pTable->current_msg.opc = Msg->data32;
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105 c_time = NU_Retrieve_Clock();
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106 pTable->current_msg.time = SYSTEM_TICKS_TO_TIME(c_time);
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107 pTable->current_msg.ptr = Msg->ptr;
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108 My_System_Unprotect();
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109 ReleaseSemaphoreCB(&pTable->FreeSemCB);
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110 return(OS_OK);
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111 }