| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> | 
| Tue, 31 Aug 2010 16:34:26 +0300 | |
| branch | RCL_3 | 
| changeset 43 | c1f20ce4abcf | 
| parent 0 | a41df078684a | 
| child 44 | 3e88ff8f41d5 | 
| permissions | -rw-r--r-- | 
| 0 | 1 | // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). | 
| 2 | // All rights reserved. | |
| 3 | // This component and the accompanying materials are made available | |
| 4 | // under the terms of the License "Eclipse Public License v1.0" | |
| 5 | // which accompanies this distribution, and is available | |
| 6 | // at the URL "http://www.eclipse.org/legal/epl-v10.html". | |
| 7 | // | |
| 8 | // Initial Contributors: | |
| 9 | // Nokia Corporation - initial contribution. | |
| 10 | // | |
| 11 | // Contributors: | |
| 12 | // | |
| 13 | // Description: | |
| 14 | // e32\nkern\x86\ncutils.cpp | |
| 15 | // | |
| 16 | // | |
| 17 | ||
| 18 | #include <x86.h> | |
| 19 | ||
| 20 | //#define __DBG_MON_FAULT__ | |
| 21 | //#define __RAM_LOADED_CODE__ | |
| 22 | //#define __EARLY_DEBUG__ | |
| 23 | ||
| 24 | ||
| 25 | void InitFpu(); | |
| 26 | ||
| 27 | TUint32 ContextId() | |
| 28 | 	{
 | |
| 29 | switch(NKern::CurrentContext()) | |
| 30 | 		{
 | |
| 31 | case NKern::EThread: | |
| 32 | return (TUint32)NKern::CurrentThread(); | |
| 33 | case NKern::EIDFC: | |
| 34 | return 3; | |
| 35 | case NKern::EInterrupt: | |
| 36 | return 2; | |
| 37 | default: | |
| 38 | return 0; | |
| 39 | } | |
| 40 | } | |
| 41 | ||
| 42 | EXPORT_C TBool BTrace::Out(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) | |
| 43 | 	{
 | |
| 44 | SBTraceData& traceData = BTraceData; | |
| 45 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 46 | return FALSE; | |
| 47 | ||
| 48 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 49 | return traceData.iHandler(a0,0,0,a1,a2,a3,0,pc); | |
| 50 | } | |
| 51 | ||
| 52 | EXPORT_C TBool BTrace::OutX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) | |
| 53 | 	{
 | |
| 54 | SBTraceData& traceData = BTraceData; | |
| 55 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 56 | return FALSE; | |
| 57 | ||
| 58 | TUint32 context = ContextId(); | |
| 59 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 60 | return traceData.iHandler(a0,0,context,a1,a2,a3,0,pc); | |
| 61 | } | |
| 62 | ||
| 63 | EXPORT_C TBool BTrace::OutN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) | |
| 64 | 	{
 | |
| 65 | SBTraceData& traceData = BTraceData; | |
| 66 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 67 | return FALSE; | |
| 68 | ||
| 69 | if(TUint(aDataSize)>KMaxBTraceDataArray) | |
| 70 | 		{
 | |
| 71 | aDataSize = KMaxBTraceDataArray; | |
| 72 | a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); | |
| 73 | } | |
| 74 | a0 += aDataSize<<(BTrace::ESizeIndex*8); | |
| 75 | ||
| 76 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 77 | if(!aDataSize) | |
| 78 | return traceData.iHandler(a0,0,0,a1,a2,0,0,pc); | |
| 79 | else if(aDataSize<=4) | |
| 80 | return traceData.iHandler(a0,0,0,a1,a2,*(TUint32*)aData,0,pc); | |
| 81 | else | |
| 82 | return traceData.iHandler(a0,0,0,a1,a2,(TUint32)aData,0,pc); | |
| 83 | } | |
| 84 | ||
| 85 | EXPORT_C TBool BTrace::OutNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) | |
| 86 | 	{
 | |
| 87 | SBTraceData& traceData = BTraceData; | |
| 88 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 89 | return FALSE; | |
| 90 | ||
| 91 | if(TUint(aDataSize)>KMaxBTraceDataArray) | |
| 92 | 		{
 | |
| 93 | aDataSize = KMaxBTraceDataArray; | |
| 94 | a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); | |
| 95 | } | |
| 96 | a0 += aDataSize<<(BTrace::ESizeIndex*8); | |
| 97 | ||
| 98 | TUint32 context = ContextId(); | |
| 99 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 100 | if(!aDataSize) | |
| 101 | return traceData.iHandler(a0,0,context,a1,a2,0,0,pc); | |
| 102 | else if(aDataSize<=4) | |
| 103 | return traceData.iHandler(a0,0,context,a1,a2,*(TUint32*)aData,0,pc); | |
| 104 | else | |
| 105 | return traceData.iHandler(a0,0,context,a1,a2,(TUint32)aData,0,pc); | |
| 106 | } | |
| 107 | ||
| 108 | EXPORT_C TBool BTrace::OutBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize) | |
| 109 | 	{
 | |
| 110 | TUint32 context = ContextId(); | |
| 111 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 112 | SBTraceData& traceData = BTraceData; | |
| 113 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 114 | return FALSE; | |
| 115 | return DoOutBig(a0,a1,aData,aDataSize,context,pc); | |
| 116 | } | |
| 117 | ||
| 118 | EXPORT_C TBool BTrace::OutFiltered(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) | |
| 119 | 	{
 | |
| 120 | SBTraceData& traceData = BTraceData; | |
| 121 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 122 | return FALSE; | |
| 123 | if(!traceData.CheckFilter2(a1)) | |
| 124 | return FALSE; | |
| 125 | ||
| 126 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 127 | return traceData.iHandler(a0,0,0,a1,a2,a3,0,pc); | |
| 128 | } | |
| 129 | ||
| 130 | EXPORT_C TBool BTrace::OutFilteredX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3) | |
| 131 | 	{
 | |
| 132 | SBTraceData& traceData = BTraceData; | |
| 133 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 134 | return FALSE; | |
| 135 | if(!traceData.CheckFilter2(a1)) | |
| 136 | return FALSE; | |
| 137 | ||
| 138 | TUint32 context = ContextId(); | |
| 139 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 140 | return traceData.iHandler(a0,0,context,a1,a2,a3,0,pc); | |
| 141 | } | |
| 142 | ||
| 143 | EXPORT_C TBool BTrace::OutFilteredN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) | |
| 144 | 	{
 | |
| 145 | SBTraceData& traceData = BTraceData; | |
| 146 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 147 | return FALSE; | |
| 148 | if(!traceData.CheckFilter2(a1)) | |
| 149 | return FALSE; | |
| 150 | ||
| 151 | if(TUint(aDataSize)>KMaxBTraceDataArray) | |
| 152 | 		{
 | |
| 153 | aDataSize = KMaxBTraceDataArray; | |
| 154 | a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); | |
| 155 | } | |
| 156 | a0 += aDataSize<<(BTrace::ESizeIndex*8); | |
| 157 | ||
| 158 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 159 | if(!aDataSize) | |
| 160 | return traceData.iHandler(a0,0,0,a1,a2,0,0,pc); | |
| 161 | else if(aDataSize<=4) | |
| 162 | return traceData.iHandler(a0,0,0,a1,a2,*(TUint32*)aData,0,pc); | |
| 163 | else | |
| 164 | return traceData.iHandler(a0,0,0,a1,a2,(TUint32)aData,0,pc); | |
| 165 | } | |
| 166 | ||
| 167 | EXPORT_C TBool BTrace::OutFilteredNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize) | |
| 168 | 	{
 | |
| 169 | SBTraceData& traceData = BTraceData; | |
| 170 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 171 | return FALSE; | |
| 172 | if(!traceData.CheckFilter2(a1)) | |
| 173 | return FALSE; | |
| 174 | ||
| 175 | if(TUint(aDataSize)>KMaxBTraceDataArray) | |
| 176 | 		{
 | |
| 177 | aDataSize = KMaxBTraceDataArray; | |
| 178 | a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8); | |
| 179 | } | |
| 180 | a0 += aDataSize<<(BTrace::ESizeIndex*8); | |
| 181 | ||
| 182 | TUint32 context = ContextId(); | |
| 183 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 184 | if(!aDataSize) | |
| 185 | return traceData.iHandler(a0,0,context,a1,a2,0,0,pc); | |
| 186 | else if(aDataSize<=4) | |
| 187 | return traceData.iHandler(a0,0,context,a1,a2,*(TUint32*)aData,0,pc); | |
| 188 | else | |
| 189 | return traceData.iHandler(a0,0,context,a1,a2,(TUint32)aData,0,pc); | |
| 190 | } | |
| 191 | ||
| 192 | EXPORT_C TBool BTrace::OutFilteredBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize) | |
| 193 | 	{
 | |
| 194 | TUint32 context = ContextId(); | |
| 195 | TUint32 pc = (&a0)[-1]; // return address on X86 | |
| 196 | SBTraceData& traceData = BTraceData; | |
| 197 | if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff]) | |
| 198 | return FALSE; | |
| 199 | if(!traceData.CheckFilter2(a1)) | |
| 200 | return FALSE; | |
| 201 | return DoOutBig(a0,a1,aData,aDataSize,context,pc); | |
| 202 | } | |
| 203 | ||
| 204 | EXPORT_C TBool BTrace::OutFilteredPcFormatBig(TUint32 aHeader, TUint32 aModuleUid, TUint32 aPc, TUint16 aFormatId, const TAny* aData, TInt aDataSize) | |
| 205 | 	{
 | |
| 206 | return EFalse; //kernel side not implemented yet | |
| 207 | } | |
| 208 | ||
| 209 | ||
| 210 | TInt BTraceDefaultControl(BTrace::TControl /*aFunction*/, TAny* /*aArg1*/, TAny* /*aArg2*/) | |
| 211 | 	{
 | |
| 212 | return KErrNotSupported; | |
| 213 | } | |
| 214 | ||
| 215 | ||
| 216 | EXPORT_C void BTrace::SetHandlers(BTrace::THandler aNewHandler, BTrace::TControlFunction aNewControl, BTrace::THandler& aOldHandler, BTrace::TControlFunction& aOldControl) | |
| 217 | 	{
 | |
| 218 | TUint irq = NKern::DisableAllInterrupts(); | |
| 219 | ||
| 220 | aOldHandler = BTraceData.iHandler; | |
| 221 | BTraceData.iHandler = aNewHandler; | |
| 222 | TheScheduler.iBTraceHandler = aNewHandler; | |
| 223 | ||
| 224 | aOldControl = BTraceData.iControl; | |
| 225 | BTraceData.iControl = aNewControl ? aNewControl : BTraceDefaultControl; | |
| 226 | ||
| 227 | NKern::RestoreInterrupts(irq); | |
| 228 | } | |
| 229 | ||
| 230 | ||
| 231 | EXPORT_C TInt BTrace::SetFilter(TUint aCategory, TInt aValue) | |
| 232 | 	{
 | |
| 233 | if(!IsSupported(aCategory)) | |
| 234 | return KErrNotSupported; | |
| 235 | TUint8* filter = BTraceData.iFilter+aCategory; | |
| 236 | TUint oldValue = *filter; | |
| 237 | if(TUint(aValue)<=1u) | |
| 238 | 		{
 | |
| 239 | *filter = (TUint8)aValue; | |
| 240 | BTraceContext4(BTrace::EMetaTrace, BTrace::EMetaTraceFilterChange, (TUint8)aCategory | (aValue<<8)); | |
| 241 | if(aCategory==ECpuUsage) | |
| 242 | 			{
 | |
| 243 | TheScheduler.iCpuUsageFilter = (TUint8)aValue; | |
| 244 | } | |
| 245 | } | |
| 246 | return oldValue; | |
| 247 | } | |
| 248 | ||
| 249 | EXPORT_C SCpuIdleHandler* NKern::CpuIdleHandler() | |
| 250 | 	{
 | |
| 251 | return &::CpuIdleHandler; | |
| 252 | } | |
| 253 | ||
| 254 | void NKern::Init0(TAny*) | |
| 255 | 	{
 | |
| 256 | InitFpu(); | |
| 257 | } | |
| 258 | ||
| 259 | EXPORT_C TUint32 NKern::CpuTimeMeasFreq() | |
| 260 | 	{
 | |
| 261 | #ifdef MONITOR_THREAD_CPU_TIME | |
| 43 
c1f20ce4abcf
Revision: 201035
 Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> parents: 
0diff
changeset | 262 | return NKern::FastCounterFrequency(); | 
| 0 | 263 | #else | 
| 264 | return 0; | |
| 265 | #endif | |
| 266 | } | |
| 267 |