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annotate gsm-fw/services/etm/etm_api.c @ 1024:1886238653b8

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author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Tue, 03 May 2016 19:51:41 +0000
parents 6de5661d1fe1
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1 /********************************************************************************
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2 * Enhanced TestMode (ETM)
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3 * @file etm_api.c
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4 *
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5 * API for ETM SWE.
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6 *
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7 * @author Kim T. Peteren (ktp@ti.com)
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8 * @version 0.1
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9 *
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10
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11 *
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12 * History:
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13 *
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14 * Date Modification
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15 * ------------------------------------
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16 * 11/06/2003 Creation
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17 *
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18 * (C) Copyright 2003 by Texas Instruments Incorporated, All Rights Reserved
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19 *********************************************************************************/
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20
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21
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22 #include "etm.h"
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23 #include "etm_env.h"
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24 #include "etm_messages_i.h"
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25 #include "etm_trace.h"
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26
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27 #include "etm_misc.h"
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28
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29 #include "../../riviera/rvf/rvf_api.h"
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30
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31 #include <string.h>
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32
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33 extern T_ETM_ENV_CTRL_BLK *etm_env_ctrl_blk;
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34
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35
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36 /********************************************************************************
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37 * Registers the SWE to the ETM instance.
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38 *
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39 * This is a bridge function. It sends the T_ETM_REGISTRATION_REQ
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40 * message to the ETM SWE.
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41 * It is the first function that should be called.
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42 *
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43 * @return ETM_NOMEM in case of a memory error,
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44 * the return value of rvf_send_msg otherwise.
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45 *********************************************************************************/
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46
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47 int etm_register(char name[], int mid, int task_id, T_RVF_ADDR_ID addr_id,
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48 ETM_CALLBACK_FUNC callback)
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49 {
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50 /* Type for a registration event. */
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51 T_ETM_REGISTER_REQ *etm_registration_p;
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52
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53 tr_etm(TgTrEtmLow, "ETM API: _register bridge function(%s)", name);
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54
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55 /* Allocate the memory for the message to send */
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56 if ((etm_registration_p = (T_ETM_REGISTER_REQ*)
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57 etm_malloc(sizeof(T_ETM_REGISTER_REQ))) == NULL)
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58 return ETM_NOMEM;
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59
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60 /* Fill the message id */
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61 etm_registration_p->header.msg_id = ETM_REGISTER_REQ;
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62
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63 /* Fill the address source id */
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64 etm_registration_p->header.src_addr_id = rvf_get_taskid();
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65 etm_registration_p->header.dest_addr_id = etm_env_ctrl_blk->addr_id;
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66 etm_registration_p->header.callback_func = NULL;
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67
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68 /* Fill the message parameters */
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69 memcpy(etm_registration_p->name, name, strlen(name));
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70 etm_registration_p->mid = mid;
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71 etm_registration_p->task_id = task_id;
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72 etm_registration_p->addr_id = addr_id;
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73 etm_registration_p->rx_callback_func = callback;
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74
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75 /* Send the message using mailbox. */
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76 return rvf_send_msg(etm_env_ctrl_blk->addr_id, (void*) etm_registration_p);
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77 }
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78
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80 /********************************************************************************
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81 * Cleans ETM register tables, i.e. set/clean the variable at their
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82 * initialization state for a specific entity.
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83 * This function can be used to reinitialize ETM register database without
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84 * having to start/stop it.
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85 *
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86 * This is a bridge function. It sends ETM_UNREGISTER message to ETM.
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87 *
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88 * @return ETM_NOMEM in case of a memory error,
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89 * the return value of rvf_send_msg otherwise.
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90 *********************************************************************************/
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91
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92 int etm_unregister(char name[], int mid, int task_id, T_RVF_ADDR_ID addr_id, ETM_CALLBACK_FUNC callback)
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93 {
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94 /* Type for a start input event. */
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95 T_ETM_UNREGISTER *etm_unregister_p;
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96
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97 tr_etm(TgTrEtmLow, "ETM API: _unregister bridge function");
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98
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99 /* Allocate the memory for the message to send */
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100 if ((etm_unregister_p = (T_ETM_UNREGISTER*)
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101 etm_malloc(sizeof(T_ETM_UNREGISTER))) == NULL)
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102 return ETM_NOMEM;
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103
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104 /* Fill the message id */
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105 etm_unregister_p->header.msg_id = ETM_UNREGISTER;
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106
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107 /* Fill the address source id */
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108 etm_unregister_p->header.src_addr_id = rvf_get_taskid();
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109 etm_unregister_p->header.dest_addr_id = etm_env_ctrl_blk->addr_id;
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110 etm_unregister_p->header.callback_func = NULL;
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111
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112 /* Fill the message parameters */
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113 memcpy(etm_unregister_p->name, name, strlen(name));
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114 etm_unregister_p->mid = mid;
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115 etm_unregister_p->task_id = task_id;
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116 etm_unregister_p->addr_id = addr_id;
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117 etm_unregister_p->rx_callback_func = callback;
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118
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119 /* Send the message using mailbox. */
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120 return rvf_send_msg(etm_env_ctrl_blk->addr_id, (void*) etm_unregister_p);
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121 }
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122
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123
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124 /********************************************************************************
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parents:
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125 * Get data from a ETM packet structur. Get either 8, 16 or 32 value
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parents:
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126 * Used to unpack data
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127 *
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parents:
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128 * This is helpers
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129 *
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130 * @return the return value of the point of the ETM packet.
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131 *********************************************************************************/
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132
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diff changeset
133 int etm_get8(void *buf)
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134 {
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diff changeset
135 unsigned char *p = buf;
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136
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diff changeset
137 int value = *p;
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138
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diff changeset
139 tr_etm(TgTrEtmLow, "ETM API: _get8(%d)", value);
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140
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141 return value;
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142 }
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143
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144 int etm_get16(void *buf)
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145 {
165
9dbf3248a197 starting to compile ETM
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 164
diff changeset
146 unsigned char *p = buf;
164
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147
193
f9ac53d8e999 gsm-fw/services/etm: etm_get16(): fix for bad C (sequence points violation)
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parents: 165
diff changeset
148 int value = (p[0] | (p[1] << 8));
164
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149
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150 tr_etm(TgTrEtmLow, "ETM API: _get16(%d)", value);
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151
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152 return value;
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153 }
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154
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diff changeset
155 int etm_get32(void *buf)
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156 {
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diff changeset
157 unsigned char *p = buf;
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158 int value = 0;
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159
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160 value = *p;
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161 p++;
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diff changeset
162 value |= (*p << 8);
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163 p++;
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164 value |= (*p << 16);
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165 p++;
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diff changeset
166 value |= (*p << 24);
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167
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diff changeset
168 tr_etm(TgTrEtmLow, "ETM API: _get32(%d)", value);
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169
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170 return value;
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171 }
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172
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173
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174 /********************************************************************************
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175 * Put data into a ETM packet structur. Put either 8, 16 or 32 value
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parents:
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176 * Used to pack data
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parents:
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177 *
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178 * This is helpers
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179 *
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180 * @return Return ETM_PACKET of ETM_OK.
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181 *********************************************************************************/
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182
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parents:
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183 #define max_ul_data_size 240
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184
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diff changeset
185 int etm_pkt_put8(T_ETM_PKT *pkt, int value)
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186 {
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
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187 tr_etm(TgTrEtmLow, "ETM API: _pkt_put8(*, %d)", value);
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188
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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189 if (pkt->index + 1 > max_ul_data_size)
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190 return ETM_PACKET;
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191
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parents:
diff changeset
192 pkt->data[pkt->index] = value;
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193 pkt->index += 1;
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194
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195 pkt->size += 1;
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196
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197 return ETM_OK;
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198 }
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199
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parents:
diff changeset
200 int etm_pkt_put16(T_ETM_PKT *pkt, int value)
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parents:
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201 {
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parents:
diff changeset
202 tr_etm(TgTrEtmLow, "ETM API: _pkt_put16(*, %d)", value);
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parents:
diff changeset
203
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
204 if (pkt->index + 2 > max_ul_data_size)
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parents:
diff changeset
205 return ETM_PACKET;
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parents:
diff changeset
206
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
207 memcpy(&pkt->data[pkt->index], &value, 2);
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parents:
diff changeset
208 pkt->index += 2;
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parents:
diff changeset
209
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
210 pkt->size += 2;
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parents:
diff changeset
211
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 return ETM_OK;
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
213 }
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
214
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
215 int etm_pkt_put32(T_ETM_PKT *pkt, int value)
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parents:
diff changeset
216 {
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 tr_etm(TgTrEtmLow, "ETM API: _pkt_put32(*, %d)", value);
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parents:
diff changeset
218
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 if (pkt->index + 4 > max_ul_data_size)
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parents:
diff changeset
220 return ETM_PACKET;
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parents:
diff changeset
221
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
222 memcpy(&pkt->data[pkt->index], &value, 4);
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parents:
diff changeset
223 pkt->index += 4;
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parents:
diff changeset
224
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
225 pkt->size += 4;
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226
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227 return ETM_OK;
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228 }
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
229
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
230 int etm_pkt_putdata(T_ETM_PKT *pkt, const void *buf, int size)
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parents:
diff changeset
231 {
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 tr_etm(TgTrEtmLow, "ETM API: _pkt_putdata(*, %d)", size);
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parents:
diff changeset
233
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
234 if (pkt->index + size > max_ul_data_size)
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parents:
diff changeset
235 return ETM_PACKET;
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
236 memcpy(&pkt->data[pkt->index], buf, size);
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
237 pkt->index += size;
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parents:
diff changeset
238
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 pkt->size += size;
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
240
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
241 return ETM_OK;
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
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parents:
diff changeset
242 }
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245 /********************************************************************************
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 * This function is used to send an ETM Packet to the PC
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 *
d78219c43fbf gsm-fw/services/etm: initial import from the Leonardo semi-src
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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248 * This is helpers
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249 *
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250 * @return Return value of rvf_send_trace_cpy.
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251 *********************************************************************************/
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252
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253 int etm_pkt_send(T_ETM_PKT *pkt)
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254 {
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255 extern unsigned char etm_trace_user_id;
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256 uint8 *buf, cksum = 0;
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257 uint16 sendsize, size;
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258 int error = ETM_OK;
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259
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260 buf = (uint8 *) &pkt->mid;
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261 sendsize = size = pkt->size + 2; //one for mid, one for status
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262
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263 tr_etm(TgTrEtmLow, "ETM API: _pkt_send: size(%d)", sendsize);
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264
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265 while (size-- ) {
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266 cksum ^= *buf++;
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267 }
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268 *buf = cksum;
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269
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270 sendsize += 1; // one for checksum
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271
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272 tr_etm_hexdump(TgTrEtmLow, &pkt->mid, sendsize);
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273
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274 error = rvt_send_trace_cpy((uint8 *) &pkt->mid, etm_trace_user_id,
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275 sendsize, RVT_BINARY_FORMAT);
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276 if(error < 0)
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277 tr_etm(TgTrFatal, "ETM API: _pkt_send: ERROR(%d)", error);
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278
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279 return error;
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280 }