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annotate gsm-fw/services/dar/dar_task.c @ 700:2913c4fdd34a

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top level README: describe the project at a higher level
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 02 Oct 2014 00:06:50 +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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diff changeset
128 if (ffs_fd < 0)
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diff changeset
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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diff changeset
132 }
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diff changeset
133
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diff changeset
134 #ifndef _WINDOWS
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diff changeset
135
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diff changeset
136 /**** Save the RAM buffer into the FFS ****/
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diff changeset
137 /* save the buffer in 2 parts in order to have the information in chronological order */
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parents:
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),
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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parents:
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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diff changeset
143 DAR_SEND_TRACE("DAR entity can't saved the file in flash",RV_TRACE_LEVEL_WARNING);
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diff changeset
144 }
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diff changeset
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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diff changeset
148 (void *)(&dar_write_buffer),
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diff changeset
149 (dar_current_index))) < 0 & (dar_ffs_error == FALSE))
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diff changeset
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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parents:
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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parents:
diff changeset
166 (DAR_X_DUMP_BUFFER_SIZE))) < 0 & (dar_ffs_error == FALSE))
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diff changeset
167 {
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diff changeset
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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parents:
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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parents:
diff changeset
175 (dar_previous_exception == DAR_EXCEPTION_DATA_ABORT))
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parents:
diff changeset
176 {
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diff changeset
177 /* Save the Debug Unit into the Flash */
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parents:
diff changeset
178 if ((ffs_write (ffs_fd,
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diff changeset
179 (void *) &debug_RAM,
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 (4*DEBUG_UNIT_WORD_SIZE))) < 0 & (dar_ffs_error == FALSE))
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diff changeset
181 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
182 DAR_SEND_TRACE("DAR entity can't saved the DEBUG UNIT in flash",RV_TRACE_LEVEL_WARNING);
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parents:
diff changeset
183 }
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parents:
diff changeset
184 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 #endif
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parents:
diff changeset
186
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diff changeset
187 #else
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parents:
diff changeset
188 /* save the buffer in 2 parts in order to have the information in chronological order */
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parents:
diff changeset
189 /* save the oldest information : from dar_current_index to the end of the buffer*/
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parents:
diff changeset
190 if ((ffs_write (ffs_fd,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191 (&dar_write_buffer + dar_current_index),
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parents:
diff changeset
192 (DAR_MAX_BUFFER_SIZE - dar_current_index))) != EFFS_OK)
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diff changeset
193 {
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diff changeset
194 DAR_SEND_TRACE("DAR entity can't saved the file in flash",RV_TRACE_LEVEL_WARNING);
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diff changeset
195 }
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parents:
diff changeset
196 /* save the rest of information: from the beginning of the buffer to dar_current_index */
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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>
parents:
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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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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 */
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 #endif
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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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))
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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parents:
diff changeset
209 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 DAR_SEND_TRACE("DAR entity has not closed the file",RV_TRACE_LEVEL_WARNING);
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 }
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 #else
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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parents:
diff changeset
213 if ( ffs_close(ffs_fd) != EFFS_OK )
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parents:
diff changeset
214 {
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parents:
diff changeset
215 dar_error_trace(DAR_ENTITY_FILE_NO_CLOSE);
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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parents:
diff changeset
216 }
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 #ifndef _WINDOWS
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parents:
diff changeset
220 /**** Save the LR and the SPSR when an exception has occured ****/
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 if ((dar_previous_exception == DAR_EXCEPTION_PREFETCH_ABORT)||
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 (dar_previous_exception == DAR_EXCEPTION_DATA_ABORT) ||
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 (dar_previous_exception == DAR_EXCEPTION_UNDEFINED) ||
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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 {
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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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);
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 #endif
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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 /* ------------------------------------------- */
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 /* loop to process messages */
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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. */
4dccc9d3305f gsm-fw: checking in DAR from Leonardo source
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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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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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 */