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annotate src/gpf2/frame/cust_os/osx.c @ 680:ee3ac8c617cb

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armio.c: set GPIO2 output high initially On TI-canonical platforms GPIO2 is DCD modem control output. In TI's original code the AI_InitIOConfig() function called from Init_Target() would configure GPIO2 as an output and set the initial output value to low, but then the init code in uartfax.c called from Init_Serial_Flows() would immediately change it to high, corresponding to DCD not asserted. The result is a momentary asserted-state glitch on the DCD output. The present change eliminates this glitch, setting DCD output to not-asserted initially like it should be.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Jun 2020 03:17:43 +0000
parents 5ce1598de1a6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
505
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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
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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[MAX_OSX_QUEUE];
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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 }
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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 }
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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 }
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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 }
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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 }
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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;
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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 message->SigP = *(DummyStruct **)(message + 1);
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102 else
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103 message->SigP = (DummyStruct *)(message + 1);
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104 if (opc != 0x8000)
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105 return(message);
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106 vsi_c_primitive(caller, message);
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107 }
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108 }
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109
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110 xSignalHeaderRec *
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111 osx_receive_prim(T_ENUM_OS_QUEUE queue_type)
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112 {
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113 return int_osx_receive_prim(_osx_registry[queue_type].caller,
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114 _osx_registry[queue_type].queue_handle);
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115 }
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116
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117 void
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118 osx_free_prim(xSignalHeaderRec *prim_ptr)
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119 {
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120 vsi_c_free(_caller, (T_VOID_STRUCT **) &prim_ptr FILE_LINE_MACRO);
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121 }
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122
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123 void
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124 int_osx_free_mem(int caller, void *mem_ptr)
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125 {
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126 int status;
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127
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128 TRACE_ASSERT(mem_ptr != 0);
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129 status = D_FREE(mem_ptr);
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130 TRACE_ASSERT(status == VSI_OK);
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131 }
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132
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 void
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 osx_free_mem(void *mem_ptr)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 int_osx_free_mem(_caller, mem_ptr);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 xSignalHeaderRec *
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 int_osx_alloc_prim(int caller, unsigned long len, int pool_group_handle)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 xSignalHeaderRec *prim_ptr;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 prim_ptr = (xSignalHeaderRec *) vsi_c_new(caller,
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 (len & 0xFFFF) + sizeof(xSignalHeaderRec), 0
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 FILE_LINE_MACRO);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 /* This check is a FreeCalypso addition */
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 TRACE_ASSERT(prim_ptr != 0);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 prim_ptr->SigP = (DummyStruct *)(prim_ptr + 1);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 return(prim_ptr);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 xSignalHeaderRec *
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 osx_alloc_prim(unsigned long len)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 xSignalHeaderRec *prim_ptr;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 prim_ptr = (xSignalHeaderRec *) vsi_c_new(_caller,
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 (len & 0xFFFF) + sizeof(xSignalHeaderRec), 0
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 FILE_LINE_MACRO);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 /* This check is a FreeCalypso addition */
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 TRACE_ASSERT(prim_ptr != 0);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 prim_ptr->SigP = (DummyStruct *)(prim_ptr + 1);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 return(prim_ptr);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 void *
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 int_osx_alloc_mem(int caller, unsigned long len)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 void *mem_ptr;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 DMALLOC(mem_ptr, len);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 TRACE_ASSERT(mem_ptr != 0);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 return(mem_ptr);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 void *
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 osx_alloc_mem(unsigned long len)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 return int_osx_alloc_mem(_caller, len);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 int
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 _osx_open(int caller, unsigned short queue_type, int queue_handle)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 if (!queue_type && !queue_handle) {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 _caller = caller;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 return(OSX_ERROR);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 if (queue_type >= MAX_OSX_QUEUE)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 return(OSX_ERROR);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 if (_osx_registry[queue_type].queue_handle != queue_handle &&
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 _osx_registry[queue_type].queue_handle != -1)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 return(OSX_ERROR);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 _osx_registry[queue_type].queue_handle = queue_handle;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 _osx_registry[queue_type].caller = caller;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 return(OSX_OK);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 void
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 _osx_init(void)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 USHORT i;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 for (i = 0; i < MAX_OSX_QUEUE; i++)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 _osx_registry[i].queue_handle = -1;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 int
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 _osx_config(const char *config)
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 if (!strcmp(config, L1S_TRACE_DISABLE)) {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 osx_config |= 1;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 return(OSX_OK);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 if (!strcmp(config, L1S_TRACE_ENABLE)) {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 osx_config &= ~1;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 return(OSX_OK);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 if (!strcmp(config, NO_SPECIAL_MPHC_RXLEV_REQ)) {
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 osx_config &= ~2;
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 return(OSX_OK);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 }
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 return(OSX_ERROR);
5ce1598de1a6 osx.c reconstructed source integrated, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 }