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1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32\memmodel\epoc\moving\minit.cpp |
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15 // |
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16 // |
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17 |
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18 #include "memmodel.h" |
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19 #include "cache_maintenance.h" |
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20 |
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21 _LIT(KLitSvStack,"SvStack"); |
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22 |
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23 const TInt KMaxSupervisorStackSpace=0x200000; |
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24 |
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25 void M::Init1() |
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26 { |
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27 TheCurrentAddressSpace=NULL; |
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28 TheCurrentVMProcess=NULL; |
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29 TheCurrentDataSectionProcess=NULL; |
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30 TheCompleteDataSectionProcess=NULL; |
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31 |
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32 // Memory model dependent CPU stuff |
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33 MM::Init1(); |
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34 |
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35 // Set up cache info |
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36 CacheMaintenance::Init1(); |
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37 |
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38 // First phase MMU initialisation |
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39 Mmu& m=Mmu::Get(); |
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40 m.Init1(); |
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41 } |
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42 |
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43 void M::Init2() |
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44 { |
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45 // Second phase MMU initialisation |
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46 Mmu& m=Mmu::Get(); |
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47 m.Init2(); |
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48 } |
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49 |
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50 void M::Init3() |
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51 { |
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52 // Third phase MMU initialisation |
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53 Mmu& m=Mmu::Get(); |
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54 m.Init3(); |
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55 } |
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56 |
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57 TInt M::InitSvHeapChunk(DChunk* aChunk, TInt aSize) |
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58 { |
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59 TInt r; |
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60 DMemModelChunk* pC=(DMemModelChunk*)aChunk; |
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61 TLinAddr base = TheRomHeader().iKernDataAddress; |
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62 K::HeapInfo.iChunk = aChunk; |
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63 K::HeapInfo.iBase = (TUint8*)base; |
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64 K::HeapInfo.iMaxSize = pC->MaxSize(); |
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65 pC->SetFixedAddress(base, aSize); |
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66 __KTRACE_OPT(KBOOT,Kern::Printf("Created SvHeap chunk, addr %08X, init size %08X max size %08X",pC->Base(),aSize,pC->MaxSize())); |
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67 TLinAddr dataSectionBase=0; |
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68 r=((DMemModelProcess*)K::TheKernelProcess)->AddChunk(pC,dataSectionBase,EFalse); |
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69 __KTRACE_OPT(KBOOT,Kern::Printf("Added kernel heap chunk to current process, %d",r)); |
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70 return r; |
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71 } |
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72 |
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73 TInt M::InitSvStackChunk() |
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74 { |
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75 // create a chunk to hold supervisor-mode stacks |
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76 DMemModelChunk* pC=NULL; |
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77 DMemModelProcess* pP=(DMemModelProcess*)K::TheKernelProcess; |
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78 TInt maxsize=Mmu::RoundToChunkSize(KMaxSupervisorStackSpace); |
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79 TLinAddr dataSectionBase=0; |
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80 SChunkCreateInfo cinfo; |
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81 cinfo.iGlobal=EFalse; |
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82 cinfo.iAtt=TChunkCreate::EDisconnected; |
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83 cinfo.iForceFixed=EFalse; |
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84 cinfo.iOperations=0; |
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85 cinfo.iType=EKernelStack; |
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86 cinfo.iMaxSize=maxsize; |
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87 cinfo.iPreallocated=0; |
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88 cinfo.iName.Set(KLitSvStack); |
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89 cinfo.iOwner=K::TheKernelProcess; |
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90 TInt r=pP->NewChunk((DChunk*&)pC,cinfo,dataSectionBase); |
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91 __KTRACE_OPT(KBOOT,Kern::Printf("Created SvStack, %d",r)); |
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92 if (r!=KErrNone) |
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93 return r; |
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94 r=pC->Reserve(0); |
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95 if (r!=KErrNone) |
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96 return r; |
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97 __KTRACE_OPT(KBOOT,Kern::Printf("Created SvStack chunk, addr %08X, max size %08X",pC->Base(),maxsize)); |
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98 MM::SvStackChunk=pC; |
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99 r=pP->AddChunk(pC,dataSectionBase,EFalse); |
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100 __KTRACE_OPT(KBOOT,Kern::Printf("Added SvStack chunk to current process, %d",r)); |
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101 |
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102 // create user code chunk |
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103 if (r==KErrNone) |
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104 r = MM::CreateCodeChunk(EFalse); |
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105 |
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106 // create kernel code chunk |
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107 if (r==KErrNone) |
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108 r = MM::CreateCodeChunk(ETrue); |
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109 return r; |
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110 } |
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111 |