FreeCalypso > hg > fc-magnetite

annotate src/cs/services/etm/etm_trace.c @ 605:07d0dc4431f4

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bootloader.s: same MEMIF fix as in int.s plus DPLL BYPASS fix Both MEMIF and DPLL settings are now the same between int.s and bootloader.s assembly code paths. Previously bootloader.s was setting DPLL BYPASS /2 mode, which persisted until _INT_Initialize code with the bootloader body omitted, or was changed to /1 in the hardware init function in the bootloader.lib:start.obj module.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 17 Jun 2019 18:40:32 +0000
parents 945cf7f506b2
children
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1 /********************************************************************************
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2 * Enhanced TestMode (ETM)
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3 * @file etm_trace.c
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4 *
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5 * @author Kim T. Peteren (ktp@ti.com) and Mads Meisner-Jensen, mmj@ti.com
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6 * @version 0.1
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7 *
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8
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9 *
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10 * History:
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11 *
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12 * Date Modification
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13 * ------------------------------------
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14 * 16/06/2003 Creation
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15 *
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16 * (C) Copyright 2003 by Texas Instruments Incorporated, All Rights Reserved
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17 *********************************************************************************/
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18
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19
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20 #include "etm/etm_trace.h"
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21 #include "etm/etm_env.h"
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22
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23 #include "rvf/rvf_api.h"
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24 #include "rvm/rvm_use_id_list.h"
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25
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26 #include <string.h>
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27 #include <stdio.h>
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28 #include <stdarg.h>
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30
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31 /******************************************************************************
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32 * Prototypes
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33 *****************************************************************************/
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34
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35 void trstr(unsigned int mask, char *string);
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36
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37
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38 /******************************************************************************
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39 * Target Tracing
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40 *****************************************************************************/
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41
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42 static unsigned int ttr_mask = TgTrFatal; //TgTrFatal; //TgTrAll;
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43
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44 void tr_etm_init(unsigned int mask)
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45 {
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46 ttr_mask = mask;
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47 }
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49
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50 void tr_etm(unsigned int mask, char *format, ...)
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51 {
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52 va_list args;
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53 static char buf[256];
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54
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55 if (ttr_mask & mask) {
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56 // build string ala tr() then call str()
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57 va_start(args, format);
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58 vsprintf(buf, format, args);
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59 trstr(mask, buf);
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60 va_end(args);
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61 }
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62 }
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63
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64
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65 void trstr(unsigned int mask, char *string)
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66 {
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67 if (ttr_mask & mask) {
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68 rvf_send_trace(string, strlen(string), NULL_PARAM,
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69 RV_TRACE_LEVEL_WARNING, ETM_USE_ID);
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70 rvf_delay(10);
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71 }
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72 }
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73
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74
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75 void tr_etm_hexdump(unsigned int mask, const void *p, int size)
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76 {
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77 unsigned int type, module;
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78
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79 if (!(ttr_mask & mask))
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80 return;
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81
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82 hexdump_buf((char*) p, size);
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83 }
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84
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85
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86 /******************************************************************************
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87 * Hexdumping Functions
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88 *****************************************************************************/
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89
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90 void etm_trace(char *string, int level)
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91 {
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92 rvf_send_trace(string, strlen(string), NULL_PARAM, level, ETM_USE_ID);
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93 rvf_delay(20);
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94 }
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95
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96
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97 int sprint_int_as_hex(char *buf, unsigned int n, int width, char padding)
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98 {
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99 unsigned int m = n; // MUST be unsigned because it will be right shifted
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100 int size = 0;
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101 int i;
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102 char digit;
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103 char *buf_start = buf;
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104
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105 // Count number of digits in <n>
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106 do {
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107 size++;
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108 } while (m >>= 4);
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109
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110 // Shift significant part of <n> into the top-most bits
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111 n <<= 4 * (8 - size);
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112
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113 // Pad output buffer with <padding>
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114 if (0 < width && width <= 8) {
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115 width = (width > size ? width - size : 0);
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116 while (width--)
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117 *buf++ = padding;
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118 }
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119
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120 // Convert <n>, outputting the hex digits
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121 for (i = 0; i < size; i++) {
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122 digit = (n >> 28) & 0xF;
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123 digit += (digit < 10 ? '0' : 'A' - 10);
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124 *buf++ = digit;
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125 n <<= 4;
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126 }
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127
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128 // Null terminate
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129 *buf = 0;
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130
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131 return buf - buf_start;
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132 }
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133
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134 int printf_int_as_hex(unsigned int n, int width, char padding)
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135 {
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136 char string[8+1];
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137 int length;
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138
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139 length = sprint_int_as_hex(string, n, width, padding);
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140 etm_trace(string, RV_TRACE_LEVEL_DEBUG_LOW);
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141
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142 return length;
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143 }
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144
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145
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146 int print_int_as_hex(unsigned int n)
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147 {
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148 return printf_int_as_hex(n, 0, 0);
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149 }
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150
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151
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152 void hexdump_buf(char *buf, int size)
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153 {
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154 int n, i, multiline;
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155 char string[(8+1) + (16+1) + (3*16) + 1];
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156 char *s;
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157
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158 multiline = (size > 16);
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159
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160 while (size > 0)
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161 {
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162 s = string;
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163 n = (size > 16 ? 16 : size);
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164
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165 // Print address
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166 if (multiline) {
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167 s += sprint_int_as_hex(s, (unsigned int) buf, 8, ' ');
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168 *s++ = ' ';
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169 }
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170
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171 // Print the textual representation
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172 for (i = 0; i < n; i++)
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173 *s++ = (buf[i] >= ' ' && buf[i] < 127 ? buf[i] : '.');
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174
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175 // Pad textual representation with spaces
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176 if (multiline)
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177 for (i = 0; i < 16 - n; i++)
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178 *s++ = ' ';
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179
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180 // Print hexedecimal bytes
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181 for (i = 0; i < n; i++) {
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182 *s++ = ' ';
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183 s += sprint_int_as_hex(s, (unsigned int) buf[i] & 0xFF, 2, '0');
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184 }
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185
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186 *s = 0;
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187
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188 etm_trace(string, RV_TRACE_LEVEL_DEBUG_LOW);
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189
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190 buf += 16;
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191 size -= 16;
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192 }
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193 }