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annotate gsm-fw/gpf/osx/osx.c @ 498:0be71d13b6e7

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osx.c: int_osx_receive_prim() done
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 01 Jul 2014 18:12:50 +0000
parents f11f7cb7c353
children 4d2c0430851a
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491
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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 * osx.obj in osx_na7_db.lib from the Leonardo package.
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4 */
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5
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6 /* reconstructed set of included headers from COFF symtab: */
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include "typedefs.h"
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11 #include "vsi.h"
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12 #include "cust_os.h"
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13
492
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14 int osx_config = 2;
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15 int _caller;
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16 T_OSX_REGISTER _osx_registry[7];
493
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17
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18 void
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19 int_osx_send_sig(int caller, unsigned long opc, void *signal_ptr,
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20 int queue_handle)
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21 {
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22 T_QMSG Message;
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23 int status;
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24
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25 TRACE_ASSERT(queue_handle != 0);
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26 Message.MsgType = MSG_SIGNAL;
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27 Message.Msg.Signal.SigOPC = opc;
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28 Message.Msg.Signal.SigBuffer = signal_ptr;
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29 Message.Msg.Signal.SigLen = sizeof(xSignalHeaderRec);
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30 status = vsi_c_send(caller, queue_handle, &Message FILE_LINE_MACRO);
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31 TRACE_ASSERT(status == VSI_OK);
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32 }
494
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33
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34 void
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35 osx_send_sig(unsigned long opc, void *signal_ptr, T_ENUM_OS_QUEUE queue_type)
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36 {
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37 int caller, queue_handle;
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38
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39 caller = _osx_registry[queue_type].caller;
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40 queue_handle = _osx_registry[queue_type].queue_handle;
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41 TRACE_ASSERT(queue_handle != 0);
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42 int_osx_send_sig(caller, opc, signal_ptr, queue_handle);
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43 }
495
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44
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45 void
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46 int_osx_free_prim(int caller, xSignalHeaderRec *prim_ptr)
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47 {
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48 vsi_c_free(caller, (T_VOID_STRUCT **) &prim_ptr FILE_LINE_MACRO);
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49 }
496
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50
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51 void
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52 int_osx_send_prim(int caller, xSignalHeaderRec *prim_ptr, int queue_handle)
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53 {
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54 T_QMSG Message;
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55 int status;
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56
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57 if (osx_config & 1 && prim_ptr->SignalCode == 0x7D) {
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58 vsi_c_free(caller, (T_VOID_STRUCT **) &prim_ptr
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59 FILE_LINE_MACRO);
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60 return;
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61 }
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62 TRACE_ASSERT(queue_handle != 0);
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63 Message.MsgType = MSG_PRIMITIVE;
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64 Message.Msg.Primitive.Prim = (T_VOID_STRUCT *) prim_ptr;
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65 Message.Msg.Primitive.PrimLen = sizeof(xSignalHeaderRec);
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66 status = vsi_c_send(caller, queue_handle, &Message FILE_LINE_MACRO);
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67 TRACE_ASSERT(status == VSI_OK);
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68 }
497
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69
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70 void
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71 osx_send_prim(xSignalHeaderRec *prim_ptr, T_ENUM_OS_QUEUE queue_type)
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72 {
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73 int_osx_send_prim(_osx_registry[queue_type].caller, prim_ptr,
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74 _osx_registry[queue_type].queue_handle);
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75 }
498
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76
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77 xSignalHeaderRec *
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78 int_osx_receive_prim(int caller, int queue_handle)
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79 {
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80 T_QMSG Message;
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81 unsigned opc, len;
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82 xSignalHeaderRec *message;
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83 int status;
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84
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85 TRACE_ASSERT(queue_handle != OSX_ERROR);
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86 for (;;) {
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87 status = vsi_c_await(caller, queue_handle, &Message,
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88 0xFFFFFFFF);
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89 TRACE_ASSERT(status == VSI_OK);
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90 /*
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91 * Disassembly reveals that the original code expects
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92 * the received message to be a primitive, rather than
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93 * a signal or a timeout. If one of the latter comes
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94 * in, the original code would go haywire. Hence the
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95 * following TRACE_ASSERT is a FreeCalypso addition.
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96 */
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97 TRACE_ASSERT(Message.MsgType == MSG_PRIMITIVE);
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98 message = (xSignalHeaderRec *) Message.Msg.Primitive.Prim;
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99 opc = message->SignalCode & 0xFFFF;
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100 if (opc == 11 && osx_config & 2)
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101 len = *(unsigned *)(message + 1);
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102 else
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103 len = sizeof(xSignalHeaderRec);
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104 message->SigP = (DummyStruct *)((char *)message + len);
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105 if (opc != 0x8000)
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106 return(message);
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107 vsi_c_primitive(caller, message);
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108 }
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109 }