1 | /************************************************************************** |
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2 | * |
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3 | * Copyright (c) 2013 Alcatel-Lucent |
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4 | * |
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5 | * Alcatel Lucent licenses this file to You under the Apache License, |
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6 | * Version 2.0 (the "License"); you may not use this file except in |
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7 | * compliance with the License. A copy of the License is contained the |
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8 | * file LICENSE at the top level of this repository. |
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9 | * You may also obtain a copy of the License at: |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | * |
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19 | ************************************************************************** |
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20 | * |
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21 | * nand.c |
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22 | * |
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23 | * Original author: Ed Sutter (ed.sutter@alcatel-lucent.com) |
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24 | * |
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25 | */ |
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26 | #include "config.h" |
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27 | #if INCLUDE_NANDCMD |
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28 | #include "cpuio.h" |
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29 | #include "genlib.h" |
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30 | #include "stddefs.h" |
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31 | #include "tfs.h" |
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32 | #include "tfsprivate.h" |
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33 | #include "cli.h" |
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34 | #include "nand.h" |
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35 | |
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36 | int nandVerbose; |
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37 | |
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38 | #define END_OF_NAND (BASE_OF_NAND+SIZE_OF_NAND-1) |
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39 | |
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40 | #ifdef FLASHRAM_BASE |
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41 | #ifndef NAND_TFSRAM_BASE |
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42 | #define NAND_TFSRAM_BASE FLASHRAM_BASE |
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43 | #endif |
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44 | #endif |
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45 | |
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46 | char *nandHelp[] = { |
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47 | "Interface with Nand-Flash", |
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48 | "-[v] {cmd} [cmd-specific args]", |
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49 | #if INCLUDE_VERBOSEHELP |
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50 | "Options:", |
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51 | " -v incrementing verbosity level", |
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52 | "", |
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53 | "Cmds:", |
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54 | " init initialize interface", |
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55 | " info show device info", |
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56 | #ifdef FLASHRAM_BASE |
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57 | " tfsls list files directly out of SPI flash", |
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58 | " tfsload copy NAND to TFSRAM", |
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59 | " tfsstat show state of SPI flash", |
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60 | " tfsstore copy TFSRAM to NAND", |
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61 | " tfserase erase NAND space allocated to TFS", |
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62 | " tfsrm {name} remove file directly out of NAND flash", |
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63 | " tfsadd {name} [src sz] add file directly to NAND flash", |
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64 | #endif |
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65 | " erase {addr len} erase block", |
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66 | " read {addr dest len} read block", |
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67 | " write {addr src len} write block", |
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68 | #endif |
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69 | 0, |
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70 | }; |
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71 | |
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72 | int |
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73 | nandCmd(int argc,char *argv[]) |
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74 | { |
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75 | unsigned long addr; |
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76 | char *cmd, *dest, *src; |
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77 | int opt, len, rc; |
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78 | |
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79 | rc = 0; |
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80 | nandVerbose = 0; |
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81 | while((opt=getopt(argc,argv,"v")) != -1) { |
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82 | switch(opt) { |
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83 | case 'v': |
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84 | nandVerbose++; |
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85 | break; |
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86 | default: |
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87 | return(CMD_PARAM_ERROR); |
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88 | } |
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89 | } |
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90 | |
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91 | if (argc < optind+1) |
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92 | return(CMD_PARAM_ERROR); |
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93 | |
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94 | cmd = argv[optind]; |
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95 | |
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96 | if (nandVerbose) |
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97 | printf("CMD: %s\n",cmd); |
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98 | |
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99 | if (strcmp(cmd,"init") == 0) { |
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100 | nandInit(); |
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101 | } |
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102 | else if (strcmp(cmd,"info") == 0) { |
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103 | nandInfo(); |
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104 | } |
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105 | else if (strcmp(cmd,"erase") == 0) { |
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106 | if (argc != optind+3) |
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107 | return(CMD_PARAM_ERROR); |
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108 | addr = strtoul(argv[optind+1],0,0); |
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109 | len = (int)strtol(argv[optind+2],0,0); |
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110 | nandEraseChunk((char *)addr,len); |
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111 | } |
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112 | else if (strcmp(cmd,"write") == 0) { |
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113 | if (argc != optind+4) |
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114 | return(CMD_PARAM_ERROR); |
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115 | addr = strtoul(argv[optind+1],0,0); |
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116 | src = (char *)strtoul(argv[optind+2],0,0); |
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117 | len = (int)strtol(argv[optind+3],0,0); |
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118 | nandWriteChunk((char *)addr,src,len); |
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119 | } |
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120 | else if (strcmp(cmd,"read") == 0) { |
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121 | if (argc != optind+4) |
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122 | return(CMD_PARAM_ERROR); |
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123 | addr = strtoul(argv[optind+1],0,0); |
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124 | dest = (char *)strtoul(argv[optind+2],0,0); |
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125 | len = (int)strtol(argv[optind+3],0,0); |
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126 | nandReadChunk((char *)addr,dest,len); |
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127 | } |
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128 | #ifdef FLASHRAM_BASE |
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129 | else if (strcmp(cmd,"tfsload") == 0) { |
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130 | } |
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131 | else if (strcmp(cmd,"tfsstore") == 0) { |
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132 | } |
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133 | else if (strcmp(cmd,"tfserase") == 0) { |
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134 | } |
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135 | else if (strcmp(cmd, "tfsls") == 0) { |
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136 | int ftot; |
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137 | char *addr; |
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138 | TFILE tfshdr, *fp; |
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139 | |
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140 | ftot = 0; |
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141 | fp = &tfshdr; |
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142 | addr = (char *)BASE_OF_NAND; |
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143 | while(addr < (char *)END_OF_NAND) { |
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144 | char fbuf[32], *flags; |
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145 | |
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146 | if ((rc = nandReadChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) { |
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147 | printf("nandReadChunk failed %d\n",rc); |
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148 | break; |
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149 | } |
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150 | if (fp->hdrsize == 0xffff) |
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151 | break; |
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152 | if (TFS_FILEEXISTS(fp)) { |
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153 | if (ftot == 0) |
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154 | printf(" Name Size Offset Flags Info\n"); |
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155 | ftot++; |
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156 | flags = tfsflagsbtoa(TFS_FLAGS(fp),fbuf); |
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157 | if ((!flags) || (!fbuf[0])) |
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158 | flags = " "; |
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159 | printf(" %-23s %7ld 0x%08lx %-5s %s\n",TFS_NAME(fp), |
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160 | TFS_SIZE(fp),(unsigned long)(addr+TFSHDRSIZ), |
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161 | flags,TFS_INFO(fp)); |
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162 | } |
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163 | addr += TFS_SIZE(fp); |
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164 | addr += TFSHDRSIZ; |
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165 | while((long)addr & 0xf) addr++; |
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166 | } |
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167 | } |
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168 | else if (strcmp(cmd, "tfsrm") == 0) { |
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169 | char *addr; |
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170 | TFILE tfshdr, *fp; |
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171 | char *arg2 = argv[optind+1]; |
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172 | |
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173 | fp = &tfshdr; |
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174 | addr = (char *)BASE_OF_NAND; |
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175 | while(addr < (char *)END_OF_NAND) { |
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176 | if ((rc = nandReadChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) { |
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177 | printf("nandReadChunk failed %d\n",rc); |
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178 | break; |
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179 | } |
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180 | if (fp->hdrsize == 0xffff) { |
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181 | printf("%s not found\n",arg2); |
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182 | break; |
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183 | } |
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184 | if (strcmp(TFS_NAME(fp),arg2) == 0) { |
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185 | if (TFS_FILEEXISTS(fp)) { |
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186 | fp->flags &= ~TFS_ACTIVE; |
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187 | if ((rc = nandWriteChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) |
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188 | printf(" write_hdr failed %d\n",rc); |
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189 | break; |
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190 | } |
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191 | } |
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192 | addr += TFS_SIZE(fp); |
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193 | addr += TFSHDRSIZ; |
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194 | while((long)addr & 0xf) addr++; |
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195 | } |
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196 | } |
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197 | else if (strcmp(cmd, "tfsadd") == 0) { |
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198 | int size; |
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199 | long bflags; |
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200 | TFILE tfshdr, *fp; |
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201 | char *addr; |
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202 | char *src, *name, *info; |
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203 | char *arg2 = argv[optind+1]; |
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204 | char *arg3 = argv[optind+2]; |
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205 | char *arg4 = argv[optind+3]; |
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206 | char *icomma, *fcomma; |
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207 | |
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208 | info = ""; |
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209 | bflags = 0; |
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210 | name = arg2; |
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211 | addr = (char *)BASE_OF_NAND; |
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212 | |
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213 | /* The incoming arguments can be either just the filename (in which |
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214 | * case we assume the source is the file in TFS with the same name), |
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215 | * or the filename, source address and size... |
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216 | */ |
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217 | if (argc == optind+2) { // Just filename? |
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218 | if ((fp = tfsstat(name)) == (TFILE *)0) { |
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219 | printf("File '%s' not in TFS\n",name); |
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220 | return(CMD_FAILURE); |
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221 | } |
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222 | name = fp->name; |
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223 | info = fp->info; |
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224 | bflags = fp->flags; |
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225 | size = fp->filsize; |
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226 | src = (char *)(fp + 1); |
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227 | fp = &tfshdr; |
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228 | memset((char *)fp,0,TFSHDRSIZ); |
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229 | } |
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230 | else if (argc == optind+4) { // Filename with addr and len |
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231 | // Extract flags and info fields (if any) from the name... |
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232 | fcomma = strchr(name,','); |
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233 | if (fcomma) { |
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234 | icomma = strchr(fcomma+1,','); |
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235 | if (icomma) { |
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236 | *icomma = 0; |
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237 | info = icomma+1; |
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238 | } |
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239 | *fcomma = 0; |
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240 | bflags = tfsctrl(TFS_FATOB,(long)(fcomma+1),0); |
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241 | } |
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242 | |
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243 | fp = &tfshdr; |
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244 | memset((char *)fp,0,TFSHDRSIZ); |
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245 | size = (int)strtol(arg4,0,0); |
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246 | src = (char *)strtoul(arg3,0,0); |
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247 | } |
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248 | else |
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249 | return(CMD_PARAM_ERROR); |
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250 | |
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251 | while(addr < (char *)END_OF_NAND) { |
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252 | if ((rc = nandReadChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) |
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253 | break; |
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254 | if (fp->hdrsize == 0xffff) { |
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255 | unsigned long nextfileaddr; |
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256 | |
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257 | /* We're at the address in NAND where we can add the new |
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258 | * file, but first we need to make sure there's enough |
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259 | * room... |
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260 | */ |
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261 | if ((TFSHDRSIZ + size + 16) >= ((char *)END_OF_NAND - addr)) { |
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262 | printf(" not enough space\n"); |
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263 | return(CMD_FAILURE); |
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264 | } |
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265 | |
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266 | /* Copy name and info data to header. |
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267 | */ |
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268 | strcpy(fp->name, name); |
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269 | strcpy(fp->info, info); |
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270 | fp->hdrsize = TFSHDRSIZ; |
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271 | fp->hdrvrsn = TFSHDRVERSION; |
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272 | fp->filsize = size; |
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273 | fp->flags = bflags; |
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274 | fp->flags |= (TFS_ACTIVE | TFS_NSTALE); |
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275 | fp->filcrc = crc32((unsigned char *)src,size); |
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276 | fp->modtime = tfsGetLtime(); |
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277 | #if TFS_RESERVED |
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278 | { |
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279 | int rsvd; |
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280 | for(rsvd=0;rsvd<TFS_RESERVED;rsvd++) |
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281 | fp->rsvd[rsvd] = 0xffffffff; |
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282 | } |
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283 | #endif |
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284 | fp->next = 0; |
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285 | fp->hdrcrc = 0; |
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286 | fp->hdrcrc = crc32((unsigned char *)fp,TFSHDRSIZ); |
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287 | nextfileaddr = NAND_TFSRAM_BASE - NAND_TFS_BASE + (long)addr + TFSHDRSIZ + size; |
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288 | if (nextfileaddr & 0xf) |
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289 | nextfileaddr = (nextfileaddr | 0xf) + 1; |
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290 | |
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291 | fp->next = (TFILE *)nextfileaddr; |
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292 | |
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293 | printf(" writing %s...\n",arg2); |
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294 | if ((rc = nandWriteChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) |
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295 | printf(" write_hdr failed %d\n",rc); |
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296 | |
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297 | if ((rc = nandWriteChunk(addr+TFSHDRSIZ,src,size)) < 0) |
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298 | printf(" write_file failed %d\n",rc); |
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299 | break; |
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300 | } |
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301 | if (strcmp(TFS_NAME(fp),arg2) == 0) { |
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302 | if (TFS_FILEEXISTS(fp)) { |
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303 | printf(" removing %s...\n",arg2); |
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304 | fp->flags &= ~TFS_ACTIVE; |
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305 | if ((rc = nandWriteChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) |
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306 | printf(" write_hdr failed %d\n",rc); |
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307 | } |
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308 | } |
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309 | addr += TFS_SIZE(fp); |
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310 | addr += TFSHDRSIZ; |
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311 | while((long)addr & 0xf) addr++; |
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312 | } |
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313 | } |
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314 | else if (strcmp(cmd, "tfsstat") == 0) { |
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315 | char *addr, *oaddr; |
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316 | TFILE tfshdr, *fp; |
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317 | unsigned long meminuse, memdead; |
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318 | |
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319 | fp = &tfshdr; |
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320 | meminuse = memdead = 0; |
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321 | addr = (char *)BASE_OF_NAND; |
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322 | while(addr < (char *)END_OF_NAND) { |
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323 | if ((rc = nandReadChunk(addr,(char *)fp,TFSHDRSIZ)) < 0) { |
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324 | printf("nandReadChunk failed %d\n",rc); |
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325 | break; |
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326 | } |
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327 | if (fp->hdrsize == 0xffff) |
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328 | break; |
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329 | |
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330 | oaddr = addr; |
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331 | addr += TFS_SIZE(fp); |
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332 | addr += TFSHDRSIZ; |
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333 | while((long)addr & 0xf) addr++; |
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334 | |
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335 | if (TFS_FILEEXISTS(fp)) |
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336 | meminuse += addr - oaddr; |
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337 | else |
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338 | memdead += addr - oaddr; |
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339 | } |
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340 | printf("Total: 0x%x, used: 0x%x, dead: 0x%x, avail: 0x%x\n", |
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341 | SIZE_OF_NAND, meminuse, memdead, |
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342 | SIZE_OF_NAND - (meminuse + memdead)); |
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343 | } |
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344 | #endif |
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345 | else |
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346 | return(CMD_PARAM_ERROR); |
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347 | |
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348 | return(CMD_SUCCESS); |
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349 | } |
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350 | #endif |
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