FreeCalypso > hg > freecalypso-sw

annotate gsm-fw/riviera/rvm/rvm_mem.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents afceeeb2cba1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /**
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2 *
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3 * @file rvm_mem.c
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4 *
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5 * This file contains the functions related to memory management within RVM.
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6 *
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7 * @author David Lamy-Charrier (d-lamy@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 /*
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13 * Revision History:
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14 *
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15 * 10/26/2001 David Lamy-Charrier Create for Riviera 1.6.
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16 *
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17 * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved
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18 */
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19
121
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20 #include "rvm_i.h"
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21 #include "rvm_gen.h"
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22 #include "rvm_api.h"
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23 #include "rvm_use_id_list.h"
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24 #include "../rvf/rvf_env.h"
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25
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26 extern T_RVM_GET_INFO_FUNC RVM_SWE_GET_INFO_ARRAY[];
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27
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28 extern T_RVM_KNOWN_SWE * rvm_swe_array;
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29
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30 /*******************************************************************************
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31 ** Function rvm_delete_used_memory
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32 **
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33 ** Description Internal function which deletes used local mem if an error
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34 ** was received or at the end of the start/stop process.
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35 **
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36 *******************************************************************************/
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37 T_RVM_RETURN rvm_delete_used_memory ( T_RVM_PROCESSING_SWE * appli)
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38 {
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39 T_RVF_BUFFER_Q buffer_to_free_q = {0, 0, 0};
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40 T_RVM_PROCESSING_SWE * cur_elem = appli;
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41
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42 while (cur_elem != NULL)
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43 {
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44 rvf_enqueue (&buffer_to_free_q, cur_elem);
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45 cur_elem = cur_elem->next_swe;
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46 }
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47
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48 while (buffer_to_free_q.p_first)
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49 {
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50 rvf_free_buf (rvf_dequeue (&buffer_to_free_q));
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51 }
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52
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53 return RVM_OK;
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54 }
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55
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56
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57 /*******************************************************************************
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58 ** Function rvm_delete_created_mb
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59 **
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60 ** Description Internal function which deletes all created MB if an error
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61 ** was received, or in case application has to be stopped.
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62 **
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63 *******************************************************************************/
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64 T_RVM_RETURN rvm_delete_created_mb (T_RVM_PROCESSING_SWE * appli)
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65 {
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66 UINT8 mb_index;
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67 T_RVM_PROCESSING_SWE * cur_elem = appli;
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68 volatile T_RV_RET ret_value = RV_OK;
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69 UINT8 mb_to_delete;
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70
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71 while (cur_elem != NULL )
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72 {
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73 UINT8 swe_index = cur_elem->swe_id;
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74
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75 /* If more than one appli is using this SWE, cannot delete MB
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76 Process to the next SWE. */
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77 if (rvm_swe_array[swe_index].nb_using_appli > 1)
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78 {
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79 cur_elem = cur_elem->next_swe; /* process the next SWE */
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80 continue;
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81 }
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82
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83 /* If the state is running, it means that this SWE has not
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84 to be stopped. */
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85 if (rvm_swe_array[swe_index].swe_state == SWE_RUNNING)
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86 {
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87 cur_elem = cur_elem->next_swe; /* process the next SWE */
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88 continue;
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89 }
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90
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91 /* We're here:
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92 - either because swe_state == SWE_NOT_STARTED => error in starting prcess
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93 - either because swe_state == SWE_STOPPING => regular stopping process */
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94
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95 if (cur_elem->nb_created_mb == 0)
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96 {
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97 cur_elem = cur_elem->next_swe; /* process the next SWE */
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98 continue;
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99 }
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100
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101 mb_to_delete = cur_elem->nb_created_mb;
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102
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103 for( mb_index = 0; mb_index < mb_to_delete; mb_index++)
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104 {
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105 ret_value = rvf_delete_mb(cur_elem->swe_mem_bank[mb_index].mb_name);
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106 if (ret_value != RV_OK)
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107 {
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108 rvf_send_trace("RVM: Error in deletion of memory bank: ", 39, NULL_PARAM, RV_TRACE_LEVEL_WARNING, RVM_USE_ID );
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109 rvf_send_trace(cur_elem->swe_mem_bank[mb_index].mb_name, RVF_MAX_MB_LEN, NULL_PARAM, RV_TRACE_LEVEL_WARNING, RVM_USE_ID );
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110 }
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111 else
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112 {
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113 (cur_elem->nb_created_mb)--;
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114 }
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115
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116 ret_value = RVM_OK;
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117 }
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118
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119 cur_elem = cur_elem->next_swe; /* process the next SWE */
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120 }
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121
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122 return ret_value;
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123 }
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124
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125 /*******************************************************************************
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126 **
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127 ** Function rvm_check_memory_requirement
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128 **
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129 ** Description This function checks if there is enough memory
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130 ** to start a SWE(and all the linked SWEs)
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131 **
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132 ** Parameters: T_RVM_PROCESSING_SWE * appli: list of required SWEs with their parameters.
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133 **
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134 ** Returns T_RVM_RETURN: RVM_OK if there is enough memory, else RVM_MEMORY_ERR.
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135 **
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136 *******************************************************************************/
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137 T_RVM_RETURN rvm_verify_memory_requirement( T_RVM_PROCESSING_SWE * appli,
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138 T_RVM_GROUP_DIRECTIVE* gd,
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139 UINT8 cnt) {
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140 T_RVM_PROCESSING_SWE * cur_swe = appli;
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141 UINT32 required_mem = 0;
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142 UINT32 total_mem = 0;
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143 UINT32 used_mem = 0;
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144 UINT8 mb_index;
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145 UINT8 i=0;
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146 UINT16 host_task_mem=0;
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147
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148
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149 /* get available memory from the rvf */
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150 if ( rvf_get_available_mem( &total_mem, &used_mem) != RVF_OK )
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151 { return RVM_MEMORY_ERR;
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152 }
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153
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154 /* count required memory */
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155 while (cur_swe !=NULL ) /* for each SWE */
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156 {
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157 UINT8 swe_index = cur_swe->swe_id;
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158
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159 /*
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160 ** If SWE is already running => MB already created => do nothing
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161 */
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162 if (rvm_swe_array[swe_index].swe_state != SWE_RUNNING )
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163 {
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164 for( mb_index = 0; mb_index < cur_swe->nb_requested_mb; mb_index++) /* for each mb */
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165 {
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166 required_mem += cur_swe->swe_mem_bank[mb_index].mb_initial_param.size;
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167 }
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168
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169 /* add the necessary stack sizes */
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170 /* TO DO: add the stack size for host groups not yet started */
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171 if( (cur_swe->swe_type == RVM_SWE_TYPE_3)
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172 || (cur_swe->swe_type == RVM_SWE_TYPE_4) )
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173 /* || ((cur_swe->swe_type == RVM_SWE_TYPE_2) && (rvm_swe_array[swe_index].group_index == RVM_OWN_GROUP) )) */
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174 {
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175 required_mem += rvm_swe_array[swe_index].swe_stack_size;
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176 required_mem += SYSTEM_TASK_MEM; /* only for type 3 & 4. A-M-E-N-D-E-D! */
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177 }
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178
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179 }
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180 cur_swe = cur_swe->next_swe;
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181 }
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182
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183 /* type 2 group host system and stack mem. is catered for here */
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184 for(i=0; i<cnt; i++) host_task_mem+=gd[i].stack_size; /* A-M-E-N-D-E-D! */
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185 host_task_mem+=(cnt*SYSTEM_TASK_MEM);
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186
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187 /* compare available memory and required memory (eventually, use a percentage to improve performances) */
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188 if ((required_mem+host_task_mem) + used_mem > total_mem ) { /* A-M-E-N-D-E-D! */
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189 RVM_TRACE_WARNING_PARAM("RVM: Memory required (incl. used): ", (UINT32)(required_mem+host_task_mem+ used_mem) );
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190 RVM_TRACE_WARNING_PARAM("RVM: Total Memory available : ", (UINT32)total_mem);
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191 return RVM_MEMORY_ERR;
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192 } else{
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193 return RVM_OK;
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194 }
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195 }
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196
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197
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198 /*******************************************************************************
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199 **
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200 ** Function rvm_allocate_mem
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201 **
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202 ** Description This function creates all the required memory banks or
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203 ** increases their size if needed, to start a SWE.
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204 **
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205 ** Parameters: T_RVM_PROCESSING_SWE * appli: list of required SWEs with their parameters.
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206 **
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207 ** Returns T_RVM_RETURN: RVM_OK if all allocations are successful,
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208 ** else RVM_MEMORY_ERR and it releases all the allocated memory.
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209 **
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210 *******************************************************************************/
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211 T_RVM_RETURN rvm_allocate_mb( T_RVM_PROCESSING_SWE * appli)
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212 { T_RVM_PROCESSING_SWE * cur_swe = appli;
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213 UINT8 mb_index;
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214 volatile T_RVM_RETURN rvm_ret_value = RVM_OK;
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215
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216 /* for each SWE in the list */
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217 while ((cur_swe != NULL ) && (rvm_ret_value == RVM_OK))
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218 {
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219 UINT8 swe_index = cur_swe->swe_id;
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220
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221 if (rvm_swe_array[swe_index].swe_state == SWE_NOT_STARTED)
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222 /* If the state is not SWE_RUNNING, then the MBs have to be created */
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223 {
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224 for( mb_index = 0; mb_index < cur_swe->nb_requested_mb; mb_index++) /* for each mb */
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225 { T_RVF_MB_PARAM mb_param;
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226 /* add the initial size */
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227 mb_param.size = cur_swe->swe_mem_bank[mb_index].mb_initial_param.size;
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228 mb_param.watermark = cur_swe->swe_mem_bank[mb_index].mb_initial_param.watermark;
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229
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230 /* create the mb */
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231 if ( mb_param.size != 0)
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232 {
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233 /* create the mb */
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234 if ( rvf_create_mb( cur_swe->swe_mem_bank[mb_index].mb_name, mb_param, &(cur_swe->bk_id_table[mb_index]) ) != RVF_OK)
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235 {
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236 /* if an error occurs */
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237 rvm_ret_value = RVM_MEMORY_ERR;
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238 break;
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239 }
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240 else
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241 {
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242 cur_swe->nb_created_mb++;
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243 }
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244 }
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245 }
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246 }
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247
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248 cur_swe = cur_swe->next_swe; /* process the next SWE */
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249 }
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250
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251 if (rvm_ret_value != RVM_OK)
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252 /* Something went wrong, should release all used memory */
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253 {
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254 rvf_send_trace("RVM: Problem in memory bank creation !!!", 40, NULL_PARAM, RV_TRACE_LEVEL_WARNING, RVM_USE_ID );
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255 if (rvm_delete_created_mb (appli) != RVM_OK)
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256 {
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257 rvf_send_trace("RVM: MB deleting error!!!", 25, NULL_PARAM, RV_TRACE_LEVEL_WARNING, RVM_USE_ID );
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258 }
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259
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260 }
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261 return rvm_ret_value;
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262 }
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263
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264
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265 /*******************************************************************************
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266 **
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267 ** Function rvm_allocate_stack_buffer
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268 **
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269 ** Description This function allocates a buffer for the stack of a new
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270 ** task created by RVM.
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271 **
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272 ** Parameters: UINT32 stack_size: size of stack.
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273 ** T_RVF_BUFFER** stack_ptr: pointer to the allocated buffer.
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274 **
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275 ** Returns T_RVM_RETURN: RVM_OK if all allocation is successful,
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276 ** else RVM_MEMORY_ERR.
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277 **
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278 *******************************************************************************/
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279 T_RVM_RETURN rvm_allocate_stack_buffer( UINT32 stack_size, T_RVF_BUFFER** stack_ptr )
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280 { T_RVF_MB_PARAM mb_params;
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281
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282 /* increase the size of the stack MB before allocating the new buffer */
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283 if( rvf_get_mb_param( RVM_STACK_MB, &mb_params) != RV_OK)
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284 { return RVM_MEMORY_ERR;
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285 }
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286
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287 mb_params.size += stack_size;
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288 mb_params.watermark += stack_size;
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289
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290 if( rvf_set_mb_param( RVM_STACK_MB, &mb_params) != RV_OK)
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291 { return RVM_MEMORY_ERR;
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292 }
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293
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294 if( rvf_get_buf( rvm_stack_mem_bank, stack_size, stack_ptr) == RVF_RED)
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295 { return RVM_MEMORY_ERR;
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296 }
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297 return RVM_OK;
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298
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299 }