1 | /* |
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2 | This file is part of MutekP. |
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3 | |
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4 | MutekP is free software; you can redistribute it and/or modify it |
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5 | under the terms of the GNU General Public License as published by |
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6 | the Free Software Foundation; either version 2 of the License, or |
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7 | (at your option) any later version. |
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8 | |
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9 | MutekP is distributed in the hope that it will be useful, but |
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10 | WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 | General Public License for more details. |
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13 | |
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14 | You should have received a copy of the GNU General Public License |
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15 | along with MutekP; if not, write to the Free Software Foundation, |
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16 | Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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17 | |
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18 | UPMC / LIP6 / SOC (c) 2007 |
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19 | */ |
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20 | |
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21 | /* |
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22 | revision 1.2.2 2011/07/12 11:08:34 Ghassan |
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23 | - Split main loop into 3 noinline functions: compute_dec32, compute_dec64, compute_hex |
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24 | - Use bigger buffer size |
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25 | - Reuse buffer treatment |
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26 | - Add 64 bits support |
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27 | - Add char count; |
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28 | |
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29 | revision 1.2.1 2007/11/11 18:54:23 Ghassan |
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30 | rename iprintf to __iprintk, it's a copy of iprintf called on system level. |
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31 | |
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32 | stdio of the ghost of libc |
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33 | Developped by Denis Hommais and Frédéric Pétrot |
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34 | $Log: iprintf.c,v $ |
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35 | Revision 1.2 2003/07/01 13:40:46 fred |
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36 | Supports the %u and doesnt core anymore on an unrecognized char |
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37 | following a % |
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38 | |
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39 | Revision 1.1.1.1 2002/02/28 12:58:56 disydent |
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40 | Creation of Disydent CVS Tree |
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41 | |
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42 | Revision 1.1 2001/11/22 15:07:36 fred |
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43 | Adding the iprintf function that does the formatting, and removes all |
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44 | the old stuff hanging around. |
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45 | |
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46 | $Id: iprintf.c,v 1.2 2003/07/01 13:40:46 fred Exp $ |
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47 | Made up this file to centralize the printf behavior |
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48 | */ |
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49 | |
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50 | #include <remote_access.h> |
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51 | #include <stdarg.h> |
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52 | #include <types.h> |
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53 | #include <libk.h> |
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54 | |
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55 | /* Handling of the printf internals |
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56 | * Addr is either the buffer or the tty addrs |
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57 | * inc is 0 for a tty and 1 for a buffer |
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58 | * Other arguments are self explanatory |
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59 | */ |
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60 | |
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61 | #define SIZE_OF_BUF 20 |
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62 | |
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63 | char* __attribute__((noinline)) compute_dec64(char **addr, |
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64 | uint_t cid, |
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65 | char *buf, |
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66 | uint_t *len, |
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67 | int inc, |
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68 | uint64_t val, |
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69 | bool_t isSigned) |
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70 | { |
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71 | register int64_t sval; |
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72 | register uint32_t uval; |
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73 | register char *tmp; |
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74 | register uint_t count; |
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75 | register uint_t i; |
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76 | |
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77 | if(isSigned == true) |
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78 | { |
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79 | sval = val; |
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80 | if(sval < 0) |
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81 | { |
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82 | sval = -sval; |
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83 | val = sval; |
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84 | remote_sb((void*)*addr, cid, '-'); |
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85 | *len = *len + 1; |
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86 | (*addr) += inc; |
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87 | } |
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88 | } |
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89 | |
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90 | count = 0; |
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91 | i = 0; |
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92 | tmp = buf + SIZE_OF_BUF; |
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93 | *--tmp = '\0'; |
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94 | |
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95 | while(val >= 1000000000UL) |
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96 | { |
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97 | val -= 1000000000UL; |
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98 | count ++; |
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99 | } |
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100 | |
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101 | uval = (uint32_t) val; |
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102 | |
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103 | do |
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104 | { |
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105 | *--tmp = (uval % 10) + '0'; |
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106 | uval /= 10; |
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107 | i++; |
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108 | }while((uval) || (i < 9)); |
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109 | |
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110 | uval = count; |
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111 | |
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112 | do |
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113 | { |
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114 | *--tmp = (uval % 10) + '0'; |
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115 | uval /= 10; |
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116 | }while(uval); |
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117 | |
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118 | return tmp; |
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119 | } |
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120 | |
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121 | static char* __attribute__((noinline)) compute_dec(char **addr, |
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122 | uint_t cid, |
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123 | char *buf, |
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124 | uint_t *len, |
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125 | int inc, |
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126 | uint_t val, |
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127 | bool_t isSigned) |
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128 | { |
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129 | register sint_t sval; |
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130 | register char *tmp; |
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131 | |
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132 | if(isSigned == true) |
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133 | { |
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134 | sval = val; |
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135 | if(sval < 0) |
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136 | { |
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137 | sval = -sval; |
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138 | val = sval; |
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139 | remote_sb(*addr, cid, '-'); |
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140 | *len = *len + 1; |
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141 | (*addr) += inc; |
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142 | } |
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143 | } |
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144 | |
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145 | tmp = buf + SIZE_OF_BUF; |
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146 | *--tmp = '\0'; |
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147 | |
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148 | do |
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149 | { |
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150 | *--tmp = (val % 10) + '0'; |
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151 | val /= 10; |
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152 | }while (val); |
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153 | |
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154 | return tmp; |
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155 | } |
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156 | |
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157 | static char* __attribute__((noinline)) compute_hex(char **addr, |
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158 | uint_t cid, |
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159 | char *buf, |
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160 | uint_t val, |
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161 | bool_t isPointer) |
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162 | { |
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163 | register char *tmp; |
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164 | register char *xdigit; |
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165 | register uint_t i; |
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166 | |
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167 | i = 0; |
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168 | xdigit = "0123456789abcdef"; |
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169 | tmp = buf + SIZE_OF_BUF; |
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170 | *--tmp = '\0'; |
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171 | |
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172 | do |
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173 | { |
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174 | *--tmp = xdigit[val & 15]; |
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175 | val = val >> 4; |
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176 | i++; |
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177 | }while (val); |
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178 | |
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179 | if(isPointer) |
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180 | { |
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181 | while (i < 8) |
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182 | { |
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183 | *--tmp = xdigit[0]; |
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184 | i++; |
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185 | } |
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186 | } |
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187 | |
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188 | return tmp; |
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189 | } |
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190 | |
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191 | int iprintk (char *addr, uint_t cid, int inc, const char *fmt, va_list ap) |
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192 | { |
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193 | char *tmp; |
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194 | sint_t val; |
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195 | uint_t uval; |
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196 | uint64_t val64; |
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197 | uint_t count = 0; |
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198 | char buf[SIZE_OF_BUF]; |
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199 | |
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200 | while (*fmt) |
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201 | { |
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202 | while ((*fmt != '%') && (*fmt)) |
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203 | { |
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204 | remote_sb(addr, cid, *fmt++); |
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205 | addr += inc; |
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206 | count++; |
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207 | } |
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208 | if (*fmt) |
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209 | { |
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210 | fmt++; |
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211 | switch (*fmt) |
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212 | { |
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213 | case '%': |
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214 | remote_sb(addr, cid, '%'); |
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215 | addr += inc; |
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216 | count++; |
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217 | goto next; |
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218 | case 'c': |
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219 | remote_sb(addr, cid, va_arg (ap, uint_t)); |
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220 | addr += inc; |
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221 | count++; |
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222 | goto next; |
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223 | case 'd': |
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224 | val = va_arg (ap, sint_t); |
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225 | tmp = compute_dec(&addr, cid, &buf[0], &count, inc, val, true); |
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226 | break; |
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227 | case 'u': |
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228 | uval = va_arg (ap, uint_t); |
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229 | tmp = compute_dec(&addr, cid, &buf[0], &count, inc, uval, false); |
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230 | break; |
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231 | case 'D': |
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232 | val64 = va_arg (ap, int64_t); |
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233 | tmp = compute_dec64(&addr, cid, &buf[0], &count, inc, val64, true); |
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234 | break; |
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235 | case 'U': |
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236 | val64 = va_arg (ap, uint64_t); |
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237 | tmp = compute_dec64(&addr, cid, &buf[0], &count, inc, val64, false); |
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238 | break; |
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239 | case 's': |
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240 | tmp = va_arg (ap, char *); |
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241 | if (!tmp) |
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242 | tmp = "empty str"; |
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243 | break; |
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244 | case 'p': |
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245 | case 'x': |
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246 | uval = va_arg (ap, uint_t); |
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247 | tmp = compute_hex(&addr, cid, &buf[0], uval, (*fmt == 'p') ? true : false); |
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248 | break; |
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249 | default: |
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250 | remote_sb(addr, cid, *fmt); |
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251 | count++; |
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252 | goto next; |
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253 | } |
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254 | while (*tmp) |
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255 | { |
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256 | remote_sb(addr, cid, *tmp++); |
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257 | addr += inc; |
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258 | count++; |
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259 | } |
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260 | next: |
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261 | fmt++; |
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262 | } |
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263 | } |
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264 | va_end (ap); |
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265 | return count; |
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266 | } |
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