FreeCalypso > hg > freecalypso-sw

annotate gsm-fw/services/dar/dar_task.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 a7087f91c752
children
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1 /****************************************************************************/
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2 /* */
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3 /* File Name: dar_task.c */
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4 /* */
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5 /* Purpose: This function is the main function. It contains the dar_core */
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6 /* which waits for messages or function calls. */
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7 /* */
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8 /* */
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9 /* Version 0.1 */
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10 /* */
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11 /* Date Modification */
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12 /* ------------------------------------ */
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13 /* 16 October 2001 Create */
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14 /* */
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15 /* Author Stephanie Gerthoux */
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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
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20 #include "../../riviera/rv/rv_defined_swe.h"
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21 #ifdef RVM_DAR_SWE
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22 #ifndef _WINDOWS
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23 #include "../../include/config.h"
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24 #endif
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25
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26 #include <string.h>
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27 #include "../../riviera/rvm/rvm_gen.h"
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28 #include "../../riviera/rvm/rvm_use_id_list.h"
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29 #include "dar_api.h"
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30 #include "dar_macro_i.h"
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31 #include "dar_handle_message.h"
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32 #include "dar_structs_i.h"
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33 #include "dar_error_hdlr_i.h"
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34 #include "dar_const_i.h"
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35
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36 #include "../ffs/ffs_api.h"
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37
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38 /* Variables definitions */
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39 T_DAR_RECOVERY_STATUS status=0;
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40
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41 /**** Global variables ****/
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42 /* Define a pointer to the Global Environment Control block */
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43 extern T_DAR_ENV_CTRL_BLK *dar_gbl_var_p;
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44
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45 /* Write buffer*/
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46 extern char dar_write_buffer[DAR_MAX_BUFFER_SIZE];
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47
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48 /* index used in the circular buffer*/
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49 extern UINT16 dar_current_index;
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50
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51 /* DAR previous status : to get the status of the last exception */
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52 extern UINT8 dar_previous_exception;
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53
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54 /* Ram buffer that contains the Debug Unit register */
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55 extern UINT32 debug_RAM[DEBUG_UNIT_WORD_SIZE];
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56
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57 /* X_dump buffer defined in the command file */
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58 /* This buffer contains the general register, the PC, the CPSR....*/
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59 #ifndef _WINDOWS
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60 extern INT32 xdump_buffer;
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61 #endif
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63
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64 /***************************************************************************/
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65 /* Function dar_core */
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66 /* */
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67 /* Description Core of the dar task, which scans the dar mailbox and */
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68 /* waits for messages. When a message arrives, it sends it*/
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69 /* to proper functions */
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70 /* */
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71 /* */
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72 /***************************************************************************/
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73
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74 T_RV_RET dar_core(void)
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75 {
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76 /* Declare local variables */
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77 /**** Structs ****/
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78 /* File descriptor type */
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79 T_FFS_FD ffs_fd;
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80
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81 /* Variables */
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82 T_RV_RET error_status = RV_OK;
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83 T_RV_HDR *msg_p = NULL;
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84 UINT16 received_event = 0x0000;
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85 char dar_ffs[20];
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86 char dar_dir_ffs[20];
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87 char dar_subdir_ffs[20];
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88 BOOL dar_ffs_error = FALSE;
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89
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90 #ifndef _WINDOWS
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91 /* Define the Link register and the CPSR */
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92 INT32 *link_register_p = &(xdump_buffer) + 14;
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93 INT32 *dar_spsr_p = &(xdump_buffer) + 16;
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94 UINT16 i;
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95 #endif
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96
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97 /* Dar_ffs file name */
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98 strcpy(dar_dir_ffs,"/var");
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99 strcpy(dar_subdir_ffs,"/var/dbg");
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100
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101 #ifndef _WINDOWS
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102 strcpy(dar_ffs,"/var/dbg/dar");
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103 #else
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104 strcpy(dar_ffs,"\var\dbg\dar");
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105 #endif
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106
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107 DAR_SEND_TRACE("DAR_TASK started",RV_TRACE_LEVEL_DEBUG_HIGH);
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108
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109 /*---------------------------------*/
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110 /* FFS */
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111 /*---------------------------------*/
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112
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113 /**** create the dar ffs directories ****/
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114 if ((ffs_mkdir(dar_dir_ffs) != EFFS_OK) && (ffs_mkdir(dar_dir_ffs) != EFFS_EXISTS))
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115 {
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116 DAR_SEND_TRACE("DAR entity can't create the '/var' folder into the flash",RV_TRACE_LEVEL_ERROR);
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117 }
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118
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119 if ((ffs_mkdir(dar_subdir_ffs) != EFFS_OK) && (ffs_mkdir(dar_subdir_ffs) != EFFS_EXISTS))
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120 {
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121 DAR_SEND_TRACE("DAR entity can't create the '/var/dbg' folder into the flash",RV_TRACE_LEVEL_ERROR);
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122 }
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123
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124
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125 /**** create the ffs file ****/
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126 ffs_fd = ffs_open(dar_ffs, FFS_O_CREATE | FFS_O_WRONLY | FFS_O_TRUNC | FFS_O_APPEND);
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127
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128 if (ffs_fd < 0)
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129 {
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130 DAR_SEND_TRACE("DAR entity has received wrong file name or the flash is not formatted",RV_TRACE_LEVEL_WARNING);
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diff changeset
131 dar_ffs_error = TRUE;
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132 }
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133
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diff changeset
134 #ifndef _WINDOWS
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135
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136 /**** Save the RAM buffer into the FFS ****/
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137 /* save the buffer in 2 parts in order to have the information in chronological order */
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diff changeset
138 /* save the oldest information : from dar_current_index to the end of the buffer*/
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diff changeset
139 if ((ffs_write (ffs_fd,
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140 (void *)(&dar_write_buffer + dar_current_index),
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diff changeset
141 (DAR_MAX_BUFFER_SIZE - dar_current_index))) < 0 & (dar_ffs_error == FALSE))
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diff changeset
142 {
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143 DAR_SEND_TRACE("DAR entity can't saved the file in flash",RV_TRACE_LEVEL_WARNING);
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144 }
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145
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diff changeset
146 /* save the rest of information: from the beginning of the buffer to dar_current_index */
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diff changeset
147 if ((ffs_write (ffs_fd,
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148 (void *)(&dar_write_buffer),
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149 (dar_current_index))) < 0 & (dar_ffs_error == FALSE))
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150 {
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151 DAR_SEND_TRACE("DAR entity can't saved the file in flash",RV_TRACE_LEVEL_WARNING);
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152 }
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153
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154 /* Erase the dar_write_buffer */
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155 for (i=0;i<DAR_MAX_BUFFER_SIZE; i++)
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diff changeset
156 {
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157 dar_write_buffer[i] = 0;
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158 }
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159
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diff changeset
160 /**** Save the X_dump_buffer into the Flash. ****/
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diff changeset
161 /* This buffer is defined in the command file */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 /* And the size of this buffer is defined in the gsm_cs_amd4_lj3_test.cmd */
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diff changeset
163 /* its size is 38*32 bits = 38*4 bytes = 152 bytes */
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diff changeset
164 if ((ffs_write (ffs_fd,
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diff changeset
165 (void *)(&xdump_buffer),
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diff changeset
166 (DAR_X_DUMP_BUFFER_SIZE))) < 0 & (dar_ffs_error == FALSE))
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diff changeset
167 {
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168 DAR_SEND_TRACE("DAR entity can't saved the X_dump_buffer in flash",RV_TRACE_LEVEL_WARNING);
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diff changeset
169 }
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diff changeset
170
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diff changeset
171 /**** Save the Debug Unit Register into the Flash if necessary (Abort or prefetch)****/
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diff changeset
172 /* A Prefetch abort exception or a data abort exception is generated */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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diff changeset
174 if ((dar_previous_exception == DAR_EXCEPTION_PREFETCH_ABORT) ||
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diff changeset
175 (dar_previous_exception == DAR_EXCEPTION_DATA_ABORT))
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diff changeset
176 {
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177 /* Save the Debug Unit into the Flash */
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diff changeset
178 if ((ffs_write (ffs_fd,
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diff changeset
179 (void *) &debug_RAM,
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diff changeset
180 (4*DEBUG_UNIT_WORD_SIZE))) < 0 & (dar_ffs_error == FALSE))
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diff changeset
181 {
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diff changeset
182 DAR_SEND_TRACE("DAR entity can't saved the DEBUG UNIT in flash",RV_TRACE_LEVEL_WARNING);
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diff changeset
183 }
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184 }
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parents:
diff changeset
185 #endif
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parents:
diff changeset
186
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187 #else
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diff changeset
188 /* save the buffer in 2 parts in order to have the information in chronological order */
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diff changeset
189 /* save the oldest information : from dar_current_index to the end of the buffer*/
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diff changeset
190 if ((ffs_write (ffs_fd,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
191 (&dar_write_buffer + dar_current_index),
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diff changeset
192 (DAR_MAX_BUFFER_SIZE - dar_current_index))) != EFFS_OK)
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diff changeset
193 {
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194 DAR_SEND_TRACE("DAR entity can't saved the file in flash",RV_TRACE_LEVEL_WARNING);
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195 }
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diff changeset
196 /* save the rest of information: from the beginning of the buffer to dar_current_index */
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parents:
diff changeset
197 if ((ffs_write (ffs_fd,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
198 (&dar_write_buffer),
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
199 (dar_current_index))) != EFFS_OK)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 {
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parents:
diff changeset
201 DAR_SEND_TRACE("DAR entity can't saved the file in flash",RV_TRACE_LEVEL_WARNING);
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parents:
diff changeset
202 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 /* The X_dump_buffer and the Debug Unit can't be saved on the PC */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 #endif
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parents:
diff changeset
205
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206 /* Close the ffs file*/
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 #ifndef _WINDOWS
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parents:
diff changeset
208 if ( ffs_close(ffs_fd) != EFFS_OK & (dar_ffs_error == FALSE))
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parents:
diff changeset
209 {
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parents:
diff changeset
210 DAR_SEND_TRACE("DAR entity has not closed the file",RV_TRACE_LEVEL_WARNING);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 #else
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parents:
diff changeset
213 if ( ffs_close(ffs_fd) != EFFS_OK )
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diff changeset
214 {
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diff changeset
215 dar_error_trace(DAR_ENTITY_FILE_NO_CLOSE);
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parents:
diff changeset
216 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 #endif
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218
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parents:
diff changeset
219 #ifndef _WINDOWS
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diff changeset
220 /**** Save the LR and the SPSR when an exception has occured ****/
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 if ((dar_previous_exception == DAR_EXCEPTION_PREFETCH_ABORT)||
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 (dar_previous_exception == DAR_EXCEPTION_DATA_ABORT) ||
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 (dar_previous_exception == DAR_EXCEPTION_UNDEFINED) ||
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 (dar_previous_exception == DAR_EXCEPTION_SWI) ||
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 (dar_previous_exception == DAR_EXCEPTION_RESERVED))
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parents:
diff changeset
226 {
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parents:
diff changeset
227 /* Displays the Link register saved on exception */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 DAR_SEND_TRACE_PARAM("Link register = ", *link_register_p,RV_TRACE_LEVEL_DEBUG_HIGH);
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parents:
diff changeset
229
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parents:
diff changeset
230 /* Displays the User mode CPSR saved on exception */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 DAR_SEND_TRACE_PARAM("User mode SPSR before the exception=", *dar_spsr_p,RV_TRACE_LEVEL_DEBUG_HIGH);
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parents:
diff changeset
232 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 /* Displays the status of the last reset of the system */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
235 dar_recovery_get_status(&status);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 #endif
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 /* ------------------------------------------- */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 /* loop to process messages */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
240 /* ------------------------------------------- */
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
241 while (error_status == RV_OK)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 {
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 /* Wait for all events. */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 received_event = rvf_wait(DAR_ALL_EVENT_FLAGS, DAR_NOT_TIME_OUT);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 if (received_event & DAR_TASK_MBOX_EVT_MASK)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 {
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 /* Read the message in the Dar mailbox and handle it. */
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249 msg_p = (T_RV_HDR *) rvf_read_mbox(DAR_MBOX);
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250 error_status = dar_handle_msg(msg_p);
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251 }
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252 }
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253
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254 /* If one of the occured events is unexpected (due to an unassigned */
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255 /* mailbox), then report an internal error. */
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256 if (received_event & ~(DAR_TASK_MBOX_EVT_MASK ))
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257 {
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258 DAR_SEND_TRACE(" DAR ERROR (env). One of the occured events is unexpected ",
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259 RV_TRACE_LEVEL_ERROR);
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260
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261 error_status = RV_NOT_SUPPORTED;
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262 }
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263
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264 /* If a memory error happened .. */
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265 if (error_status == RV_MEMORY_ERR)
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266 {
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267 dar_gbl_var_p->callBackFctError("DAR",
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268 RVM_MEMORY_ERR,
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269 0,
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270 " Memory Error : the DAR primitive memory bank is RED ");
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271 }
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272
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273 return RV_OK;
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274 } /* dar_core */
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275
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276 #endif /* #ifdef RVM_DAR_SWE */