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1 /* |
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2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * This file is part of the NE1_TB Variant Base Port |
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16 * Hardware Configuration Respoitory Platform Specific Layer (PSL) |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 #include "hcr_debug.h" |
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23 |
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24 #include "hcr_hai.h" |
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25 |
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26 #include "hcr_uids.h" |
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27 |
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28 #include <plat_priv.h> |
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29 #include <kernel/kernboot.h> |
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30 |
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31 // -- GLOBALS ----------------------------------------------------------------- |
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32 |
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33 |
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34 GLREF_C HCR::SRepositoryCompiled gRepository; |
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35 #define BUFFER_OFFSET_ZERO 0 |
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36 |
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37 // -- CLASSES- ---------------------------------------------------------------- |
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38 |
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39 |
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40 class HCRVariant : public HCR::MVariant |
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41 { |
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42 |
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43 public: |
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44 |
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45 HCRVariant(); |
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46 virtual ~HCRVariant(); |
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47 |
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48 public: |
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49 |
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50 TInt Initialise(); |
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51 |
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52 TBool IgnoreCoreImgRepository(); |
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53 TInt GetCompiledRepositoryAddress( TAny* & aAddr); |
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54 TInt GetOverrideRepositoryAddress( TAny* & aAddr); |
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55 |
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56 private: |
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57 DChunk * iChunk; |
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58 }; |
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59 |
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60 |
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61 |
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62 |
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63 // -- METHODS ----------------------------------------------------------------- |
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64 |
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65 |
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66 HCRVariant::HCRVariant() |
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67 : iChunk(0) |
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68 { |
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69 HCR_FUNC("HCRVariant"); |
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70 } |
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71 |
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72 |
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73 HCRVariant::~HCRVariant() |
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74 { |
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75 HCR_FUNC("~HCRVariant"); |
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76 if (iChunk != 0) |
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77 { |
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78 NKern::ThreadEnterCS(); |
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79 TInt r = Kern::ChunkClose(iChunk); |
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80 __NK_ASSERT_ALWAYS(r!=0); |
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81 NKern::ThreadLeaveCS(); |
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82 } |
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83 } |
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84 |
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85 |
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86 TInt HCRVariant::Initialise() |
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87 { |
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88 HCR_FUNC("HCRVariant::Initialise"); |
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89 |
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90 HCR_TRACE_RETURN(KErrNone); |
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91 } |
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92 |
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93 |
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94 TInt HCRVariant::GetCompiledRepositoryAddress( TAny* & aAddr) |
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95 { |
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96 HCR_FUNC("HCRVariant::GetCompiledRepositoryAddress"); |
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97 |
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98 aAddr = static_cast<TAny*>(&gRepository); |
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99 HCR_TRACE_RETURN(KErrNone); |
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100 } |
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101 |
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102 TBool HCRVariant::IgnoreCoreImgRepository() |
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103 { |
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104 HCR_FUNC("HCRVariant::IgnoreCoreImgRepository"); |
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105 |
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106 HCR_TRACE_RETURN(EFalse); |
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107 } |
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108 |
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109 TInt HCRVariant::GetOverrideRepositoryAddress( TAny* & aAddr) |
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110 { |
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111 HCR_FUNC("HCRVariant::GetRAMRepositoryAddress"); |
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112 |
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113 // Note to future implementor: |
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114 // #include <kernel\kernboot.h> |
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115 // First check to see if SMRIB was created during boot time. |
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116 // If SSuperPageBase::iSmrData == KSuperPageAddressFieldUndefined (i.e. -1) |
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117 // it does not exist, return KErrNotSupported, SMR not support by base port |
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118 // or it is not available due to boot scenario, i.e. boot from MMC |
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119 // |
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120 // If it does exist (i.e. boot from NAND) then read and process the |
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121 // SMR entries listed in the SMRIB looking for KHCRUID_SMRPayloadUID. |
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122 // Next using the internal sizes from the HCR dat file within the SMR image |
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123 // determine if the RAM holding the SMR image can be shrunk to return |
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124 // unused RAM pages at the end of the image. |
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125 // |
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126 // Finally allocate the reserved RAM identified in the SMR entry to a |
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127 // DChunk and return the virtual address of the HCR data file payload |
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128 // within the SMR image, i.e. iBase+(sizeof(SSmrRomHeader)>>2). |
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129 // Locate SMRIB |
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130 const TSuperPage& superpage = Kern::SuperPage(); |
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131 TUint32* smrIB; |
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132 smrIB = (TUint32 *) superpage.iSmrData; |
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133 |
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134 HCR_TRACE2("--- Superpage: 0x%08x, SMRIB: 0x%08x", &superpage, smrIB); |
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135 |
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136 if( (smrIB == NULL) || (smrIB == (TUint32*)KSuperPageAddressFieldUndefined)) |
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137 { |
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138 HCR_TRACE_RETURN(KErrNotSupported); |
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139 } |
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140 |
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141 HCR_HEX_DUMP_ABS((TUint8 *)smrIB, 8*sizeof(SSmrBank) ); |
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142 SSmrBank * smrBank = (SSmrBank *) smrIB; |
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143 |
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144 while( smrBank->iBase != 0 ) |
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145 { |
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146 HCR_TRACE2("--- smrBank: 0x%08x, smrBank->iPayloadUID: 0x%08x", smrBank, smrBank->iPayloadUID); |
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147 if( smrBank->iPayloadUID == KHCRUID_SMRPayloadUID) |
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148 { |
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149 HCR_TRACE2("--- smrPhysAddr: 0x%08x, size:0x%08x", smrBank->iBase, smrBank->iSize); |
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150 NKern::ThreadEnterCS(); |
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151 |
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152 TChunkCreateInfo info; |
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153 info.iType = TChunkCreateInfo::ESharedKernelSingle; |
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154 info.iMaxSize = smrBank->iSize; |
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155 // Enable to give supervisor read only access and maximum caching at both L1 and L2. |
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156 info.iMapAttr = EMapAttrSupRo|EMapAttrCachedMax; |
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157 info.iOwnsMemory = EFalse; |
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158 info.iDestroyedDfc = NULL; |
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159 TUint32 mapAttr; |
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160 TLinAddr chunkKernAddr; |
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161 TInt r = Kern::ChunkCreate(info, iChunk, chunkKernAddr, mapAttr); |
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162 if( r != KErrNone ) |
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163 { |
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164 HCR_TRACE1("--- Kern::ChunkCreate failed: 0x%08x", r); |
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165 NKern::ThreadLeaveCS(); |
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166 HCR_TRACE_RETURN(r); |
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167 } |
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168 |
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169 r = Kern::ChunkCommitPhysical(iChunk, BUFFER_OFFSET_ZERO, smrBank->iSize, smrBank->iBase); |
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170 if( r != KErrNone) |
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171 { |
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172 HCR_TRACE1("--- Kern::ChunkCommitPhysical failed: 0x%08x", r); |
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173 TInt r2 = Kern::ChunkClose(iChunk); |
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174 __NK_ASSERT_ALWAYS(r2!=0); |
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175 NKern::ThreadLeaveCS(); |
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176 HCR_TRACE_RETURN(r); |
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177 } |
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178 NKern::ThreadLeaveCS(); |
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179 |
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180 HCR_TRACE1("--- iChunkKernAddr: 0x%08x", chunkKernAddr); |
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181 // It should contains SMR and HCR image headers and some settings |
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182 HCR_HEX_DUMP_ABS((TUint8 *)chunkKernAddr, 1024 ); |
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183 |
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184 // Skip the SMR header, so we return the address of the first byte in the Repository |
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185 aAddr = (TAny *) (chunkKernAddr + sizeof(SSmrRomHeader)); |
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186 |
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187 HCR_TRACE_RETURN(KErrNone); |
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188 } |
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189 |
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190 ++smrBank; |
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191 } |
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192 |
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193 HCR_TRACE_RETURN(KErrNotSupported); |
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194 } |
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195 |
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196 |
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197 // -- ENTRY POINTS ------------------------------------------------------------ |
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198 |
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199 |
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200 GLDEF_C HCR::MVariant* CreateHCRVariant() |
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201 { |
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202 HCR_FUNC("CreateHCRVariant"); |
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203 |
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204 return new HCRVariant; |
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205 } |