FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/ffs/board/task.c @ 612:0a845c97b8b4
C1xx aftermarket FFS: add ST equivalent of 28F320C3T
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 18 Jun 2019 04:59:58 +0000 |
parents | 945cf7f506b2 |
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rev | line source |
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1 /****************************************************************************** |
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2 * Flash File System (ffs) |
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com |
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4 * |
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5 * FFS task. ONLY for target! |
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6 * |
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7 * $Id: task.c 1.48.1.1.1.24 Thu, 18 Dec 2003 10:50:52 +0100 tsj $ |
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8 * |
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9 ******************************************************************************/ |
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10 |
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11 #include "board.cfg" |
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12 #include "ffs/ffs.h" |
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13 #include "ffs/board/core.h" |
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14 #include "ffs/board/task.h" |
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15 #include "ffs/board/ffstrace.h" |
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16 #include "rvm/rvm_use_id_list.h" |
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17 |
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18 /****************************************************************************** |
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19 * Globals and function prototypes |
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20 ******************************************************************************/ |
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21 |
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22 extern UINT8 pcm_init(void); |
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23 void ffs_task(void); |
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24 |
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25 static effs_t ffs_init_status; |
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26 req_id_t request_id_last = 0; |
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27 |
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28 T_OS_MB_ID ffs_mb_id; |
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29 UINT16 ffs_addr_id; |
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30 |
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31 extern struct ffs_blocking_s; |
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32 |
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33 /****************************************************************************** |
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34 * FFS Test Task |
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35 ******************************************************************************/ |
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36 |
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37 // For this to work, change: |
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38 // 1. MAX_RVF_TASKS define in rvf_target.h |
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39 |
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40 // Note that the FFS_TEST_TASK_ID is set one too low! We assume we are lucky |
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41 // that no other task has the same ID... |
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42 |
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43 #if (WITH_TFFS == 1) |
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44 |
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45 #define FFS_TEST_STACK_SIZE 1024 |
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46 |
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47 #define FFS_TEST_TASK_ID (MAX_RVF_TASKS - 1 - 1) |
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48 |
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49 void ffs_test_task(void); |
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50 void test_init(int keepgoing); |
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51 int test_run(char *testname); |
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52 |
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53 static uint8 ffs_test_stack[FFS_TEST_STACK_SIZE]; |
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54 |
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55 // This is the string of test cases to run by calling test_run(). This |
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56 // string as written to from tmffs module. |
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57 char ffs_test_string[128]; |
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58 |
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59 // Delay for <delay> milliseconds |
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60 void tffs_delay(int delay) |
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61 { |
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62 delay = 14 * delay / 64; // approx. same as division by 60/13 |
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63 OS_DELAY(delay); |
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64 } |
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65 |
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66 UINT32 rvf_get_tick_count(void); |
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67 // Timer functions for benchmarking |
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68 UINT32 tffs_timer_begin(void) |
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69 { |
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70 return rvf_get_tick_count(); |
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71 } |
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72 |
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73 UINT32 tffs_timer_end(UINT32 time_begin) |
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74 { |
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75 // return current time minus time_begin |
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76 UINT32 ticks; |
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77 |
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78 ticks = rvf_get_tick_count(); |
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79 |
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80 return (ticks - time_begin) * 60 / 13; |
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81 } |
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82 |
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83 void ffs_test_task(void) |
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84 { |
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85 effs_t error; |
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86 |
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87 OS_DELAY(217); // wait approx. 1000ms |
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88 |
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89 ttw(str(TTrTest, "ffs_test_task()" NL)); |
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90 |
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91 while (1) { |
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92 OS_DELAY(217); // wait approx. 1000ms |
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93 |
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94 // Poll to see if we have tests to run... We know that the writer of |
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95 // ffs_test_string has a higher priority than us, so it is properly |
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96 // written when we reach here. |
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97 if (*ffs_test_string) { |
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98 test_init(0); |
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99 error = test_run(ffs_test_string); |
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100 *ffs_test_string = 0; |
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101 |
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102 if (error == 0) |
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103 ttw(str(TTrTest, "TEST succeeded" NL)); |
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104 else |
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105 ttw(ttr(TTrTest, "TEST cases failed: %d" NL, error)); |
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106 } |
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107 } |
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108 } |
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109 |
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110 #endif // End of WITH_TFFS |
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111 |
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112 /****************************************************************************** |
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113 * Target Platform Abstraction Functions |
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114 ******************************************************************************/ |
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115 |
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116 req_id_t request_id_get(void) |
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117 { |
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118 extern uint32 int_disable(void); |
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119 extern void int_enable(uint32 tmp); |
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120 uint32 cprs; |
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121 |
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122 // We disable interrupt to avoid any other tasks to get the same id. |
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123 cprs = int_disable(); |
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124 request_id_last++; |
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125 |
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126 if (request_id_last < 0) |
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127 request_id_last = 0; |
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128 |
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129 int_enable(cprs); |
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130 |
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131 return request_id_last; |
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132 } |
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133 |
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134 void *target_malloc(unsigned int size) |
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135 { |
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136 char *buf; |
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137 |
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138 #if (_RVF == 1) |
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139 if ((rvf_get_buf(ffs_mb_id, size, (T_RVF_BUFFER*) &buf)) == RVF_RED) |
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140 return 0; |
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141 else |
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142 return buf; |
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143 #else |
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144 return 0; |
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145 #endif |
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146 } |
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147 |
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148 void target_free(void *buf) |
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149 { |
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150 int error; |
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151 |
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152 #if (_RVF == 1) |
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153 if ((error = OS_FREE(buf)) != OS_OK) |
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154 ttw(ttr(TTrFatal, "target_free() %d (FAILED)" NL, error)); |
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155 #endif |
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156 } |
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157 |
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158 |
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159 /****************************************************************************** |
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160 * FFS Blocking Call Handling |
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161 ******************************************************************************/ |
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162 |
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163 effs_t ffs_b_begin(struct ffs_blocking_s *fb, T_RVF_MUTEX *mutex, int *result) |
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164 { |
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165 effs_t error; |
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166 |
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167 if ((error = rvf_initialize_mutex(mutex)) < 0) |
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168 return error; |
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169 |
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170 if ((error = rvf_lock_mutex(mutex)) < 0) // This will succeed |
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171 return error; |
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172 |
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173 fb->result = result; |
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174 fb->mutex = mutex; |
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175 |
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176 return EFFS_OK; |
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177 } |
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178 |
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179 effs_t ffs_b_end(T_RVF_MUTEX *mutex, int result) |
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180 { |
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181 effs_t error; |
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182 |
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183 // Do not lock the mutex if the message send operation failed |
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184 if (result >= 0) |
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185 // This will block the task until the mutex has been released |
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186 if ((error = rvf_lock_mutex(mutex)) < 0) |
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187 return error; |
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188 |
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189 if ((error = rvf_unlock_mutex(mutex)) < 0) |
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190 return error; |
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191 |
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192 if ((error = rvf_delete_mutex(mutex)) < 0) |
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193 return error; |
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194 |
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195 return EFFS_OK; |
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196 } |
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197 |
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198 /****************************************************************************** |
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199 * FFS Task |
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200 ******************************************************************************/ |
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201 /* The below access to the intenal Nucleus variable "TCD_Interrupt_Level" is |
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202 * a workaround for a known Nucleus BUG (see CQ SWI-FIX-17560) */ |
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203 |
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204 void ffs_main_init() |
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205 { |
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206 extern int TCD_Interrupt_Level; |
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207 int tmp_int_level; |
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208 ttr_init(TTrTask|TTrTest|TTrTestInfo); |
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209 //ttr_init(TTrTask|TTrTest|TTrTestInfo|TTrDrvErase|TTrDrvWrite|TTrTaskLow|TTrApi); |
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210 |
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211 tmp_int_level = TCD_Interrupt_Level; // Backup Int level |
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212 TCD_Interrupt_Level = 0xC0; // The Interrups are not yet enabled... |
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213 ffs_init_status = ffs_initialize(); |
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214 TCD_Interrupt_Level = tmp_int_level; // Restore Int level |
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215 |
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216 pcm_init(); // We have to call pcm_init() before G23 starts. |
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217 } |
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218 |
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219 void ffs_task_init(T_OS_MB_ID mbid, T_RVF_ADDR_ID addr_id) |
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220 { |
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221 int error; |
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222 |
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223 ffs_mb_id = mbid; |
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224 ffs_addr_id = addr_id; |
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225 |
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226 #if (WITH_TFFS == 1) |
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227 error = |
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228 OS_CREATE_TASK((TASKPTR) ffs_test_task, FFS_TEST_TASK_ID, "TFFS", |
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229 ffs_test_stack, FFS_TEST_STACK_SIZE, |
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230 249, // priority |
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231 4, // ET4_TASK type |
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232 0, // no time slicing |
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233 RUNNING); // start state |
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234 |
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235 ttw(ttr(TTrTask, "os_create_task('TFFS') %d" NL, error)); |
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236 #endif |
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237 } |
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238 |
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239 void ffs_task() |
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240 { |
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241 extern int etm_ffs_init(void); |
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242 struct ffs_req_s *request; |
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243 T_FFS_FILE_CNF *confirm_file; |
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244 T_FFS_STREAM_CNF *confirm_stream; |
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245 T_RVF_MUTEX *mutex_p; |
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246 int error, free_mail, os_error = OS_OK; |
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247 uint16 revision, manufacturer_id, device_id; |
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248 uint32 base; |
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249 fd_t fdi; |
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250 char *temp_path; |
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251 req_id_t temp_id; |
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252 |
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253 #if (BOARD == 34) |
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254 // Non formatted FFS should be formatted |
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255 // So we don't have to use PCTM to format it |
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256 if (fs.initerror == EFFS_NOFORMAT) |
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257 { |
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258 ffs_format_nb("/", 0x2BAD, 0); |
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259 } |
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260 |
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261 ffs_InitRFCap(); |
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262 #endif |
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263 |
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264 ttr(TTrTask, "ffs_init() %d" NL, ffs_init_status); |
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265 |
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266 ffs_query(Q_FFS_REVISION, &revision); |
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267 ttr(TTrTask,"FFS revision: 0x%x" NL, revision); |
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268 |
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269 ffs_query(Q_DEV_MANUFACTURER, &manufacturer_id); |
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270 ffs_query(Q_DEV_DEVICE, &device_id); |
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271 ffs_query(Q_DEV_DRIVER, &revision); |
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272 ttr(TTrTask,"FFS device, driver: 0x%02x, 0x%04x, %d" NL, |
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273 manufacturer_id, device_id, revision); |
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274 |
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275 ffs_query(Q_DEV_BASE, &base); |
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276 ffs_query(Q_DEV_BLOCKS, &revision); |
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277 ttr(TTrTask,"FFS base, blocks: 0x%x, %d" NL, base, revision); |
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278 |
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279 ffs_query(Q_FFS_FORMAT_READ, &manufacturer_id); |
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280 ffs_query(Q_FFS_FORMAT_WRITE, &device_id); |
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281 ttr(TTrTask,"FFS format read, write: 0x%x, 0x%x" NL NL, |
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282 manufacturer_id, device_id); |
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283 |
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284 // If some blocks has been marked for reclaim, reclaim them now... |
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285 blocks_reclaim(); |
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286 |
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287 // We can only mkdir("pcm") *after* our mailbox has been allocated |
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288 // otherwise mkdir("pcm") will fail. |
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289 error = ffs_mkdir_nb("/pcm", 0); |
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290 |
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291 // Register FFS to ETM database |
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292 error = etm_ffs_init(); |
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293 |
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294 while (1) |
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295 { |
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296 OS_MAIL_WAIT(OS_MAIL_EVENT_MASK); |
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297 request = (struct ffs_req_s *) OS_MAIL_READ(); |
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298 |
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299 ttw(ttr(TTrTaskLow, "ffs_task(%d):" NL, request->cmd)); |
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300 switch (request->cmd) { |
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301 case WRITE: case SEEK: case CLOSE: case FTRUNC: case FDATASYNC: |
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302 ttw(ttr(TTrTaskLow, " fdi = %d" NL, request->fdi)); |
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303 // Save a local copy of fdi because the task we call later can |
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304 // modify it and we have to use the fdi if a callback is used |
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305 fdi = (fd_t)request->fdi; |
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306 break; |
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307 default: |
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308 ttw(ttr(TTrTaskLow, " name = %s" NL, request->path)); |
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309 break; |
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310 } |
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311 ttw(ttr(TTrTaskLow, " src = 0x%x" NL, request->src)); |
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312 ttw(ttr(TTrTaskLow, " size = %d" NL, request->size)); |
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313 |
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314 if (tr_query(TTrTaskDelays)) |
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315 OS_DELAY(5); |
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316 |
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317 switch (request->cmd) { |
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318 case NOP: error = EFFS_OK; break; |
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319 case FILE_WRITE: error = task_file_write(request); break; |
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320 case SYMLINK: error = task_symlink(request); break; |
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321 case MKDIR: error = task_mkdir(request); break; |
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322 case REMOVE: error = task_remove(request); break; |
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323 case RENAME: error = task_rename(request); break; |
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324 case FCONTROL: error = task_fcontrol(request); break; |
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325 case PREFORMAT: error = task_preformat(request); break; |
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326 case FORMAT: error = task_format(request); break; |
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327 case OPEN: error = task_open(request); break; |
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328 case WRITE: error = task_write(request); break; |
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329 case SEEK: error = task_seek(request); break; |
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330 case CLOSE: error = task_close(request); break; |
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331 case TRUNC: error = task_trunc(request); break; |
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332 case FTRUNC: error = task_ftrunc(request); break; |
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333 case FDATASYNC: error = task_fdatasync(request); break; |
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334 default: |
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335 ttr(TTrFatal, "FFS FATAL: bad request: %d" NL, request->cmd); |
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336 break; |
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337 } |
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338 |
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339 ttw(ttr(TTrTaskLow, "ffs_task(%d) %d" NL, request->cmd, error)); |
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340 if (tr_query(TTrTaskDelays)) |
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341 OS_DELAY(5); |
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342 |
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343 // Call-back to caller |
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344 mutex_p = 0; |
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345 if (request->cp) { |
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346 free_mail = 0; // don't free mail we will reuse it |
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347 // We reuse the mail we received for our call-back. Due to |
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348 // this reuse, we must be careful with the order of |
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349 // assignments. If this is a stream modify function use |
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350 // ffs_stream_cnf else use ffs_file_cnf |
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351 |
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352 temp_id = request->request_id; // Save id before we reuse the mail mem. |
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353 switch (request->cmd) { |
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354 case WRITE: case SEEK: case CLOSE: case FTRUNC: case FDATASYNC: |
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355 confirm_stream = (T_FFS_STREAM_CNF *) request; |
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356 confirm_stream->error = error; |
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357 confirm_stream->request_id = temp_id; |
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358 confirm_stream->fdi = fdi; |
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359 confirm_stream->header.msg_id = FFS_MESSAGE_OFFSET; |
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360 |
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361 if (request->cp->callback_func) { |
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362 request->cp->callback_func((T_FFS_STREAM_CNF *) |
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363 confirm_stream); |
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364 } |
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365 else if (request->cp->addr_id) { |
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366 os_error = OS_MAIL_SEND(request->cp->addr_id, |
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367 confirm_stream); |
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368 } |
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369 else { |
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370 ttr(TTrFatal, "FFS WARNING: empty return path" NL); |
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371 free_mail = 1; // free mail |
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372 } |
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373 break; |
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374 default: |
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375 temp_path = (char *) request->path; |
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376 confirm_file = (T_FFS_FILE_CNF *) request; |
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377 confirm_file->error = error; |
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378 confirm_file->request_id = temp_id; |
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379 confirm_file->path = temp_path; |
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380 confirm_file->header.msg_id = FFS_MESSAGE_OFFSET; |
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381 |
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382 if (request->cp->callback_func) { |
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383 request->cp->callback_func((T_FFS_FILE_CNF *) confirm_file); |
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384 } |
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385 |
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386 else if (request->cp->addr_id) { |
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387 os_error = OS_MAIL_SEND(request->cp->addr_id, |
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388 confirm_file); |
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389 } |
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390 else { |
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391 ttr(TTrFatal, "FFS WARNING: empty return path" NL); |
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392 free_mail = 1; // free mail |
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393 } |
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394 break; |
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395 } |
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396 |
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397 if (os_error != OS_OK) |
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398 ttr(TTrFatal, "FFS FATAL: os_send_msg() %d" NL, os_error); |
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399 } |
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400 |
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401 // Blocking handling / unlocking mutex |
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402 else if (request->fb) { |
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403 // Save the pointer to the mutex and the error value (allocated |
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404 // on the stack by the macro FFS_BLOCKING_BEGIN) |
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405 mutex_p = request->fb->mutex; |
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406 *request->fb->result = error; |
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407 free_mail = 1; // free mail |
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408 } |
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409 |
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410 else { |
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411 // The task must have been a non blocking without any callback |
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412 free_mail = 1; // free mail |
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413 } |
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414 |
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415 // Free the mail memory. Note that we always free it, except when we |
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416 // have successfully reused it for sending a mail call-back. |
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417 if (free_mail == 1) { |
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418 os_error = OS_FREE(request); |
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419 if (os_error != OS_OK) |
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420 ttr(TTrFatal, "FFS FATAL: os_free() %d" NL, os_error); |
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421 } |
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422 |
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423 // Blocking handling / unlocking mutex |
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424 if (mutex_p) { |
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425 // Wake up the caller task |
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426 if ((os_error = rvf_unlock_mutex(mutex_p)) < 0) |
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427 ttr(TTrFatal, "FFS FATAL: rvf_unlock_mutex() %d" NL, os_error); |
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428 } |
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429 |
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430 tr_bstat(); |
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431 } |
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432 } |