navienginebsp/ne1_tb/hcr/hcr_psl.cpp
changeset 0 5de814552237
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/navienginebsp/ne1_tb/hcr/hcr_psl.cpp	Tue Sep 28 18:00:05 2010 +0100
@@ -0,0 +1,205 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* This file is part of the NE1_TB Variant Base Port
+* Hardware Configuration Respoitory Platform Specific Layer (PSL) 
+*
+*/
+
+
+
+#include "hcr_debug.h"
+
+#include "hcr_hai.h"
+
+#include "hcr_uids.h"
+
+#include <plat_priv.h>
+#include <kernel/kernboot.h>
+
+// -- GLOBALS -----------------------------------------------------------------
+
+
+GLREF_C HCR::SRepositoryCompiled gRepository;
+#define BUFFER_OFFSET_ZERO  0
+
+// -- CLASSES- ----------------------------------------------------------------
+
+
+class HCRVariant : public HCR::MVariant
+    {    
+    
+public:
+
+    HCRVariant();
+    virtual ~HCRVariant();
+    
+public:    
+    
+    TInt Initialise();
+    
+    TBool IgnoreCoreImgRepository();
+	TInt GetCompiledRepositoryAddress( TAny* & aAddr);
+    TInt GetOverrideRepositoryAddress( TAny* & aAddr);
+    
+private:
+    DChunk * iChunk;    
+    };
+    
+    
+
+
+// -- METHODS -----------------------------------------------------------------
+
+
+HCRVariant::HCRVariant()
+    : iChunk(0)
+    {
+    HCR_FUNC("HCRVariant");
+    }
+
+
+HCRVariant::~HCRVariant()
+    {
+    HCR_FUNC("~HCRVariant");
+    if (iChunk != 0)
+        {
+        NKern::ThreadEnterCS();    
+        TInt r = Kern::ChunkClose(iChunk);
+        __NK_ASSERT_ALWAYS(r!=0);
+        NKern::ThreadLeaveCS(); 
+        }
+    }
+
+
+TInt HCRVariant::Initialise()
+    {
+    HCR_FUNC("HCRVariant::Initialise");
+    
+    HCR_TRACE_RETURN(KErrNone);
+    }
+    
+    
+TInt HCRVariant::GetCompiledRepositoryAddress( TAny* & aAddr)
+    {
+    HCR_FUNC("HCRVariant::GetCompiledRepositoryAddress");
+        
+    aAddr = static_cast<TAny*>(&gRepository);
+    HCR_TRACE_RETURN(KErrNone);
+    }
+
+TBool HCRVariant::IgnoreCoreImgRepository()
+    {
+    HCR_FUNC("HCRVariant::IgnoreCoreImgRepository");
+        
+    HCR_TRACE_RETURN(EFalse);
+    }
+
+TInt HCRVariant::GetOverrideRepositoryAddress( TAny* & aAddr)
+    {
+    HCR_FUNC("HCRVariant::GetRAMRepositoryAddress");
+    
+    // Note to future implementor:
+	// #include <kernel\kernboot.h>
+	// First check to see if SMRIB was created during boot time. 
+    // If SSuperPageBase::iSmrData == KSuperPageAddressFieldUndefined (i.e. -1) 
+	// it does not exist, return KErrNotSupported, SMR not support by base port
+    // or it is not available due to boot scenario, i.e. boot from MMC
+    //
+    // If it does exist (i.e. boot from NAND) then read and process the 
+	// SMR entries listed in the SMRIB looking for KHCRUID_SMRPayloadUID.
+	// Next using the internal sizes from the HCR dat file within the SMR image
+	// determine if the RAM holding the SMR image can be shrunk to return 
+	// unused RAM pages at the end of the image.
+	// 
+	// Finally allocate the reserved RAM identified in the SMR entry to a 
+	// DChunk and return the virtual address of the HCR data file payload
+	// within the SMR image, i.e. iBase+(sizeof(SSmrRomHeader)>>2).
+    // Locate SMRIB 
+    const TSuperPage& superpage = Kern::SuperPage();
+   	TUint32* smrIB;
+   	smrIB = (TUint32 *) superpage.iSmrData;
+   	
+   	HCR_TRACE2("--- Superpage: 0x%08x, SMRIB: 0x%08x", &superpage, smrIB);
+    
+   	if( (smrIB == NULL) || (smrIB == (TUint32*)KSuperPageAddressFieldUndefined))
+   	    {
+        HCR_TRACE_RETURN(KErrNotSupported);   	        
+   	    }
+   	    
+   	HCR_HEX_DUMP_ABS((TUint8 *)smrIB, 8*sizeof(SSmrBank) );
+    SSmrBank * smrBank = (SSmrBank *) smrIB;
+    
+    while( smrBank->iBase != 0 )
+        {
+        HCR_TRACE2("--- smrBank: 0x%08x, smrBank->iPayloadUID: 0x%08x", smrBank, smrBank->iPayloadUID);
+        if( smrBank->iPayloadUID == KHCRUID_SMRPayloadUID)
+            {
+            HCR_TRACE2("--- smrPhysAddr: 0x%08x, size:0x%08x", smrBank->iBase, smrBank->iSize);
+            NKern::ThreadEnterCS();
+    
+            TChunkCreateInfo info;
+            info.iType = TChunkCreateInfo::ESharedKernelSingle;
+            info.iMaxSize = smrBank->iSize;
+            // Enable to give supervisor read only access and maximum caching at both L1 and L2.
+            info.iMapAttr = EMapAttrSupRo|EMapAttrCachedMax;  
+            info.iOwnsMemory = EFalse; 
+            info.iDestroyedDfc = NULL;
+            TUint32 mapAttr;
+            TLinAddr chunkKernAddr;
+            TInt r = Kern::ChunkCreate(info, iChunk, chunkKernAddr, mapAttr);
+            if( r != KErrNone )
+                {
+                HCR_TRACE1("--- Kern::ChunkCreate failed: 0x%08x", r);
+                NKern::ThreadLeaveCS();
+                HCR_TRACE_RETURN(r);
+                }
+                
+            r = Kern::ChunkCommitPhysical(iChunk, BUFFER_OFFSET_ZERO, smrBank->iSize, smrBank->iBase);
+            if( r != KErrNone)
+                {
+                HCR_TRACE1("--- Kern::ChunkCommitPhysical failed: 0x%08x", r);
+                TInt r2 = Kern::ChunkClose(iChunk);
+                __NK_ASSERT_ALWAYS(r2!=0);
+                NKern::ThreadLeaveCS();
+                HCR_TRACE_RETURN(r);    
+                }   
+            NKern::ThreadLeaveCS();
+                
+            HCR_TRACE1("--- iChunkKernAddr: 0x%08x", chunkKernAddr);    
+            // It should contains SMR and HCR image headers and some settings
+            HCR_HEX_DUMP_ABS((TUint8 *)chunkKernAddr, 1024 );  
+            
+            // Skip the SMR header, so we return the address of the first byte in the Repository
+            aAddr = (TAny *) (chunkKernAddr + sizeof(SSmrRomHeader));  
+            
+            HCR_TRACE_RETURN(KErrNone);
+            }
+         
+        ++smrBank;    
+        }
+       	
+    HCR_TRACE_RETURN(KErrNotSupported);
+    }
+
+ 
+// -- ENTRY POINTS ------------------------------------------------------------
+
+
+GLDEF_C HCR::MVariant* CreateHCRVariant()
+    {
+    HCR_FUNC("CreateHCRVariant");
+
+    return new HCRVariant;
+    }