FreeCalypso > hg > freecalypso-citrine

annotate L1/cfile/l1_isr_glue.c @ 40:b56928f8c001

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doc/Firmware_Architecture: stale links to docs updated to new FTP and web locations
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 May 2017 16:20:07 +0000
parents bf52986ae7f2
children
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1 /*
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2 * This module contains the LISR and HISR glue functions for L1
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3 * which used to be in the dl1_com module in the Leonardo version.
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4 * The LoCosto source from which we got our L1 code no longer has a
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5 * dl1_com.c module, and the ISR glue functions in question have been
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6 * moved into csw-system/init_common/init.c - an incredibly messy C
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7 * module that is mostly devoted to LoCosto BSP initialization.
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8 *
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9 * The present C code has been extracted from LoCosto's init.c,
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10 * guided by the disassembly of dl1_com.obj from the Leonardo version.
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11 */
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12
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13 #include "config.h"
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14 #include "sys_types.h"
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15 #include "../../riviera/rv/general.h"
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16 #include "../../nucleus/nucleus.h"
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17
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18 /* Include Files */
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19 #include <ctype.h>
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20 #include <stdarg.h>
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21 #include <stdlib.h>
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22 #include <string.h>
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24 #include "l1_types.h"
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25 #include "l1_confg.h"
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26 #include "l1_const.h"
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28 #if TESTMODE
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29 #include "l1tm_defty.h"
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30 #endif // TESTMODE
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31
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32 #if (AUDIO_TASK == 1)
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33 #include "l1audio_const.h"
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34 #include "l1audio_cust.h"
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35 #include "l1audio_defty.h"
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36 #endif // AUDIO_TASK
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37
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38 #if (L1_GTT == 1)
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39 #include "l1gtt_const.h"
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40 #include "l1gtt_defty.h"
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41 #endif
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42
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43 #if (L1_MP3 == 1)
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44 #include "l1mp3_defty.h"
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45 #endif
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46
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47 #if (L1_MIDI == 1)
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48 #include "l1midi_defty.h"
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49 #endif
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50
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51 #if (L1_AAC == 1)
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52 #include "l1aac_defty.h"
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53 #endif
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54 #if (L1_DYN_DSP_DWNLD == 1)
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55 #include "l1_dyn_dwl_defty.h"
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56 #endif
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57
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58 #if (TRACE_TYPE == 4)
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59 #include "l1_defty.h"
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60 #endif
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61
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62 #include "../../bsp/armio.h"
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63 #include "../../bsp/timer.h"
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64
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65 #include "../../bsp/iq.h"
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66 #include "../../bsp/mem.h"
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67 #include "../../bsp/clkm.h"
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68 #include "../../bsp/inth.h"
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69
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70 /*
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71 * The function that sets up the HISRs has an assert() macro call in it.
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72 * The Leonardo version was built with the TMS470 compiler's C library
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73 * version of assert() in it, which is not very useful. Here I am
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74 * pulling in some GPF/VSI headers so we get the more useful GPF/VSI
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75 * version of assert() instead.
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76 */
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77 #include "../../gpf/inc/typedefs.h"
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78 #include "../../gpf/inc/vsi.h"
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79 #include "../../gpf/inc/cust_os.h"
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80
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81 /*
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82 * Timing monitor
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83 */
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84 #if (TRACE_TYPE == 4)
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85 extern T_L1A_L1S_COM l1a_l1s_com;
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86 extern T_L1S_GLOBAL l1s;
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87 UNSIGNED max_cpu, fn_max_cpu;
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88 unsigned short layer_1_sync_end_time;
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89 unsigned short max_cpu_flag;
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90 #if (DSP >= 38)
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91 // DSP CPU load measurement trace variables
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92 UWORD32 dsp_max_cpu_load_trace_array[4];
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93 UWORD32 dsp_max_cpu_load_idle_frame;
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94 unsigned short l1_dsp_cpu_load_trace_flag;
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95 #endif
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96 #endif
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97
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98 #define STACK_SECTION __attribute__ ((section ("int.ram")))
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99
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100 #if (L1_EXT_AUDIO_MGT == 1)
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101 NU_HISR EXT_AUDIO_MGT_hisr;
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102 char FAR ext_audio_mgt_hisr_stack[500] STACK_SECTION;
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103 extern void Cust_ext_audio_mgt_hisr(void);
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104 #endif
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105
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106 #if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) ) // equivalent to an API_HISR flag
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107 extern void api_hisr(void);
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108 char FAR API_HISR_stack[0x400] STACK_SECTION;
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109 NU_HISR apiHISR;
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110 #endif // (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1)
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111
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112 #if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1)
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113 char FAR API_MODEM_HISR_stack[0x400] STACK_SECTION; // stack size to be tuned
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114 NU_HISR api_modemHISR;
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115 #endif // FF_L1_IT_DSP_USF
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116
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117 /*
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118 * HISR stack and semaphore needed by L1
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119 */
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120 #if (OP_L1_STANDALONE == 0)
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121 #define LAYER_1_SYNC_STACK_SIZE 4000 /* matching Leonardo version */
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122 unsigned char layer_1_sync_stack[LAYER_1_SYNC_STACK_SIZE] STACK_SECTION;
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123 #else
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124 #if TESTMODE
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125 char FAR layer_1_sync_stack[2600 /*3600*/]; // Frame interrupt task stack for EVA3
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126 #else
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127 char FAR layer_1_sync_stack[1600 /* 2600 */]; // Frame interrupt task stack for EVA3
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128 #endif
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129 #endif /* OP_L1_STANDALONE */
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130
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131 NU_HISR layer_1_sync_HISR; // Frame interrupt task stack for EVA3
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132
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133 /* forward declaration */
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134 void layer_1_sync_HISR_entry (void);
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135
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136 /*
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137 * l1_create_HISR
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138 *
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139 * Create L1 HISR. This function is called from l1_pei.
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140 *
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141 * Apparently this function was originally called l1_create_ISR(),
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142 * as that is how it appears in the Leonardo dl1_com.obj module.
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143 * The LoCosto version originally had an l1_create_ISR() wrapper
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144 * that simply calls l1_create_HISR(), but I plan on changing
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145 * l1_pei to call l1_create_HISR() instead. -- Space Falcon
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146 */
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147 void l1_create_HISR (void)
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148 {
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149 STATUS status;
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150
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151 #if (OP_L1_STANDALONE == 0)
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152 // Fill the entire stack with the pattern 0xFE
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153 memset (layer_1_sync_stack, 0xFE, LAYER_1_SYNC_STACK_SIZE);
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154 #endif
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155
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156 status = NU_Create_HISR (&layer_1_sync_HISR,
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157 "L1_HISR",
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158 layer_1_sync_HISR_entry,
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159 #if (OP_L1_STANDALONE == 0)
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160 0,
0
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161 layer_1_sync_stack,
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162 LAYER_1_SYNC_STACK_SIZE);
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163 #else
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164 0,
0
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165 layer_1_sync_stack,
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166 sizeof(layer_1_sync_stack));
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167 #endif
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168
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169 #if (L1_EXT_AUDIO_MGT)
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170 // Create HISR for Ext MIDI activity
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171 //==================================
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172 status += NU_Create_HISR(&EXT_AUDIO_MGT_hisr,
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173 "H_EXT_AUDIO_MGT",
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174 Cust_ext_audio_mgt_hisr,
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175 1,
0
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176 ext_audio_mgt_hisr_stack,
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177 sizeof(ext_audio_mgt_hisr_stack));
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178 #endif
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179
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180 #if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) ) // equivalent to an API_HISR flag
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181 status += NU_Create_HISR(&apiHISR,
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182 "API_HISR",
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183 api_hisr,
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184 1,
0
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185 API_HISR_stack,
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186 sizeof(API_HISR_stack));
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187 #endif // (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1)
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188
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189 #if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) // equivalent to an API_MODEM_HISR flag
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190 // Create HISR for USF DSP interrupt !!!!. This HISR needs
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191 // to have the highest priority since the USF status needs
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192 // to be known before the next block starts.
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193 //========================================================
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194 status += NU_Create_HISR(&api_modemHISR,
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195 "MODEM",
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196 api_modem_hisr,
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197 0,
0
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198 API_MODEM_HISR_stack,
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199 sizeof(API_MODEM_HISR_stack));
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200 #endif
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201
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202 assert (status == 0);
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parents:
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203 }
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204
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205 /*
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206 * The versions of TP_FrameIntHandler() and layer_1_sync_HISR_entry()
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diff changeset
207 * in the TCS211 dl1_com.obj module contain CPU load measurement
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diff changeset
208 * code. TI changed things for LoCosto, so we have to revert their
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diff changeset
209 * changes and restore the TCS211 way.
0
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210 */
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parents:
diff changeset
211
11
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diff changeset
212 #if (TRACE_TYPE == 4)
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diff changeset
213 #define TIMER_RESET_VALUE (0xFFFF)
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214 #define TICKS_PER_TDMA (1875)
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215 #endif
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216
0
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217 /*-------------------------------------------------------*/
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218 /* TP_FrameIntHandler() Low Interrupt service routine */
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219 /*-------------------------------------------------------*/
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220 /* Parameters : */
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221 /* Return : */
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222 /* Functionality : activate Hisr on each frame interrupt*/
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223 /*-------------------------------------------------------*/
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224 void TP_FrameIntHandler(void)
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225 {
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226
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227 #if (OP_L1_STANDALONE == 1)
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228
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229 #if (TRACE_TYPE==1)
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230 if (trace_info.current_config->l1_dyn_trace & 1<<L1_DYN_TRACE_L1S_CPU_LOAD)
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231 {
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232 TM_ResetTimer (2, 0xFFFF, 1, 0);
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233 TM_StartTimer (2);
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234 }
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235 #endif
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236
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237 #if (TRACE_TYPE==6)
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238 TM_ResetTimer (2, 0xFFFF, 1, 0);
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239 TM_StartTimer (2);
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240 #endif
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241
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242 #if (TRACE_TYPE==7) /* CPU_LOAD */
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243 l1_cpu_load_start();
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244 #endif
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245
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246 #else
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247
11
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248 #if (TRACE_TYPE == 4) && (TI_NUC_MONITOR != 1)
0
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249 TM_ResetTimer (2, TIMER_RESET_VALUE, 1, 0);
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250 TM_StartTimer (2);
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251 #endif
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252
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253 #if (TI_NUC_MONITOR == 1)
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254 /* Copy LISR buffer in Log buffer each end of HISR */
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255 ti_nuc_monitor_tdma_action();
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256 #endif
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257
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258 #if WCP_PROF == 1
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259 prf_LogFNSwitch(l1s.actual_time.fn_mod42432);
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260 #endif
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261
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262 #endif /* OP_L1_STANDALONE */
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263
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264 NU_Activate_HISR(&layer_1_sync_HISR); /* Activate HISR interrupt */
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265
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266 #if (OP_L1_STANDALONE == 0)
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267 #if (WCP_PROF == 1)
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268 #if (PRF_CALIBRATION == 1)
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269 NU_Activate_HISR(&prf_CalibrationHISR);
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270 #endif
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271 #endif
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272 #endif
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273
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274 }
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275
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276 /*
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277 * layer_1_sync_HISR_entry
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278 *
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279 * HISR associated to layer 1 sync.
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280 */
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281
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282 void layer_1_sync_HISR_entry (void)
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283 {
11
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diff changeset
284 /* automatic var for the CPU load measurement code below */
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diff changeset
285 #if (TRACE_TYPE == 4)
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diff changeset
286 unsigned long cpu;
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diff changeset
287 #endif
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diff changeset
288
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diff changeset
289 // Call Synchronous Layer1
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diff changeset
290 hisr();
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diff changeset
291
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diff changeset
292 /*
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diff changeset
293 * FreeCalypso: the following code has been reconstructed from
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parents: 0
diff changeset
294 * the disassembly of the TCS211 binary object; it was found to be
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diff changeset
295 * similar to the Trace_L1S_CPU_load() function in l1_trace.c
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diff changeset
296 * which appears to have been only for (TRACE_TYPE == 1) originally.
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diff changeset
297 */
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diff changeset
298 #if (TRACE_TYPE == 4)
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diff changeset
299 layer_1_sync_end_time = TIMER_RESET_VALUE - TM_ReadTimer(2);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
300
bf52986ae7f2 L1/cfile/l1_isr_glue.c: applying changes discovered in TCS211 L1 reconstruction
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
301 cpu = (100 * layer_1_sync_end_time) / TICKS_PER_TDMA;
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diff changeset
302 if (cpu > max_cpu)
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
303 {
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
304 max_cpu=cpu;
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
305 fn_max_cpu=l1s.actual_time.fn;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
306 max_cpu_flag = 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
307 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
308 * TCS211 object has this bogus code here:
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diff changeset
309
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
310 if (some non-understood condition) {
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
311 static int i;
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
312 i++; // static var never used anywhere
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
313 max_cpu_flag = 1;
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
314 }
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
315
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
316 * Because this bogus code does not change the result,
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
317 * I decided not to bother with reconstructing it.
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diff changeset
318 */
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
319 }
bf52986ae7f2 L1/cfile/l1_isr_glue.c: applying changes discovered in TCS211 L1 reconstruction
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
320
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
321 if (((l1s.actual_time.fn%1326) == 0) && (max_cpu_flag == 0))
bf52986ae7f2 L1/cfile/l1_isr_glue.c: applying changes discovered in TCS211 L1 reconstruction
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
322 max_cpu = 0;
bf52986ae7f2 L1/cfile/l1_isr_glue.c: applying changes discovered in TCS211 L1 reconstruction
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
323 #endif
0
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diff changeset
324 }