| author | Mark Wilcox <markw@symbian.org> |
| Tue, 25 May 2010 13:20:47 +0100 | |
| changeset 116 | 57eea1054f46 |
| parent 109 | b3a1d9898418 |
| child 257 | 3e88ff8f41d5 |
| permissions | -rw-r--r-- |
| 0 | 1 |
// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32\nkern\x86\ncutils.cpp |
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// |
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// |
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#include <x86.h> |
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//#define __DBG_MON_FAULT__ |
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//#define __RAM_LOADED_CODE__ |
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//#define __EARLY_DEBUG__ |
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void InitFpu(); |
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TUint32 ContextId() |
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{
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switch(NKern::CurrentContext()) |
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{
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case NKern::EThread: |
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return (TUint32)NKern::CurrentThread(); |
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case NKern::EIDFC: |
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return 3; |
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case NKern::EInterrupt: |
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return 2; |
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default: |
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return 0; |
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} |
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} |
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EXPORT_C TBool BTrace::Out(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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return traceData.iHandler(a0,0,0,a1,a2,a3,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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TUint32 context = ContextId(); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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return traceData.iHandler(a0,0,context,a1,a2,a3,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(TUint(aDataSize)>KMaxBTraceDataArray) |
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{
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aDataSize = KMaxBTraceDataArray; |
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a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); |
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} |
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a0 += aDataSize<<(BTrace::ESizeIndex*8); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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if(!aDataSize) |
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return traceData.iHandler(a0,0,0,a1,a2,0,0,pc); |
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else if(aDataSize<=4) |
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return traceData.iHandler(a0,0,0,a1,a2,*(TUint32*)aData,0,pc); |
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else |
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return traceData.iHandler(a0,0,0,a1,a2,(TUint32)aData,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(TUint(aDataSize)>KMaxBTraceDataArray) |
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{
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aDataSize = KMaxBTraceDataArray; |
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a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); |
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} |
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a0 += aDataSize<<(BTrace::ESizeIndex*8); |
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TUint32 context = ContextId(); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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if(!aDataSize) |
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return traceData.iHandler(a0,0,context,a1,a2,0,0,pc); |
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else if(aDataSize<=4) |
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return traceData.iHandler(a0,0,context,a1,a2,*(TUint32*)aData,0,pc); |
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else |
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return traceData.iHandler(a0,0,context,a1,a2,(TUint32)aData,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize) |
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{
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TUint32 context = ContextId(); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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return DoOutBig(a0,a1,aData,aDataSize,context,pc); |
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} |
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EXPORT_C TBool BTrace::OutFiltered(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(!traceData.CheckFilter2(a1)) |
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return FALSE; |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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return traceData.iHandler(a0,0,0,a1,a2,a3,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutFilteredX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(!traceData.CheckFilter2(a1)) |
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return FALSE; |
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TUint32 context = ContextId(); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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return traceData.iHandler(a0,0,context,a1,a2,a3,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutFilteredN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(!traceData.CheckFilter2(a1)) |
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return FALSE; |
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if(TUint(aDataSize)>KMaxBTraceDataArray) |
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{
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aDataSize = KMaxBTraceDataArray; |
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a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); |
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} |
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a0 += aDataSize<<(BTrace::ESizeIndex*8); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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if(!aDataSize) |
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return traceData.iHandler(a0,0,0,a1,a2,0,0,pc); |
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else if(aDataSize<=4) |
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return traceData.iHandler(a0,0,0,a1,a2,*(TUint32*)aData,0,pc); |
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else |
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return traceData.iHandler(a0,0,0,a1,a2,(TUint32)aData,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutFilteredNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) |
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{
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(!traceData.CheckFilter2(a1)) |
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return FALSE; |
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if(TUint(aDataSize)>KMaxBTraceDataArray) |
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{
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aDataSize = KMaxBTraceDataArray; |
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a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); |
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} |
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a0 += aDataSize<<(BTrace::ESizeIndex*8); |
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TUint32 context = ContextId(); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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if(!aDataSize) |
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return traceData.iHandler(a0,0,context,a1,a2,0,0,pc); |
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else if(aDataSize<=4) |
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return traceData.iHandler(a0,0,context,a1,a2,*(TUint32*)aData,0,pc); |
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else |
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return traceData.iHandler(a0,0,context,a1,a2,(TUint32)aData,0,pc); |
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} |
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EXPORT_C TBool BTrace::OutFilteredBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize) |
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{
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TUint32 context = ContextId(); |
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TUint32 pc = (&a0)[-1]; // return address on X86 |
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SBTraceData& traceData = BTraceData; |
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if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) |
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return FALSE; |
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if(!traceData.CheckFilter2(a1)) |
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return FALSE; |
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return DoOutBig(a0,a1,aData,aDataSize,context,pc); |
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} |
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EXPORT_C TBool BTrace::OutFilteredPcFormatBig(TUint32 aHeader, TUint32 aModuleUid, TUint32 aPc, TUint16 aFormatId, const TAny* aData, TInt aDataSize) |
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{
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return EFalse; //kernel side not implemented yet |
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} |
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TInt BTraceDefaultControl(BTrace::TControl /*aFunction*/, TAny* /*aArg1*/, TAny* /*aArg2*/) |
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{
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return KErrNotSupported; |
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} |
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EXPORT_C void BTrace::SetHandlers(BTrace::THandler aNewHandler, BTrace::TControlFunction aNewControl, BTrace::THandler& aOldHandler, BTrace::TControlFunction& aOldControl) |
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{
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TUint irq = NKern::DisableAllInterrupts(); |
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aOldHandler = BTraceData.iHandler; |
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BTraceData.iHandler = aNewHandler; |
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TheScheduler.iBTraceHandler = aNewHandler; |
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aOldControl = BTraceData.iControl; |
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BTraceData.iControl = aNewControl ? aNewControl : BTraceDefaultControl; |
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NKern::RestoreInterrupts(irq); |
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} |
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EXPORT_C TInt BTrace::SetFilter(TUint aCategory, TInt aValue) |
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{
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if(!IsSupported(aCategory)) |
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return KErrNotSupported; |
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TUint8* filter = BTraceData.iFilter+aCategory; |
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TUint oldValue = *filter; |
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if(TUint(aValue)<=1u) |
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{
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*filter = (TUint8)aValue; |
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BTraceContext4(BTrace::EMetaTrace, BTrace::EMetaTraceFilterChange, (TUint8)aCategory | (aValue<<8)); |
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if(aCategory==ECpuUsage) |
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{
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TheScheduler.iCpuUsageFilter = (TUint8)aValue; |
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} |
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} |
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return oldValue; |
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} |
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EXPORT_C SCpuIdleHandler* NKern::CpuIdleHandler() |
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{
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return &::CpuIdleHandler; |
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} |
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void NKern::Init0(TAny*) |
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{
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InitFpu(); |
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} |
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EXPORT_C TUint32 NKern::CpuTimeMeasFreq() |
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{
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#ifdef MONITOR_THREAD_CPU_TIME |
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109
b3a1d9898418
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
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return NKern::FastCounterFrequency(); |
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#else |
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return 0; |
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#endif |
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} |
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