zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * AMD Event (Error) Log APIs, and related functions. |
| 6 | * |
| 7 | * Contains code that records and returns the events and errors. |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: CPU |
| 12 | * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| 13 | * |
| 14 | */ |
| 15 | /***************************************************************************** |
| 16 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 17 | * Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc. |
| 18 | * All rights reserved. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 19 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 20 | * Redistribution and use in source and binary forms, with or without |
| 21 | * modification, are permitted provided that the following conditions are met: |
| 22 | * * Redistributions of source code must retain the above copyright |
| 23 | * notice, this list of conditions and the following disclaimer. |
| 24 | * * Redistributions in binary form must reproduce the above copyright |
| 25 | * notice, this list of conditions and the following disclaimer in the |
| 26 | * documentation and/or other materials provided with the distribution. |
| 27 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 28 | * its contributors may be used to endorse or promote products derived |
| 29 | * from this software without specific prior written permission. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 30 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 32 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 33 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 34 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 35 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 36 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 37 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 38 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 39 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 40 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 41 | ****************************************************************************** |
| 42 | */ |
| 43 | |
| 44 | /*---------------------------------------------------------------------------------------- |
| 45 | * M O D U L E S U S E D |
| 46 | *---------------------------------------------------------------------------------------- |
| 47 | */ |
| 48 | |
| 49 | #include "AGESA.h" |
| 50 | #include "amdlib.h" |
| 51 | #include "heapManager.h" |
| 52 | #include "GeneralServices.h" |
| 53 | #include "Ids.h" |
| 54 | #include "Filecode.h" |
| 55 | CODE_GROUP (G1_PEICC) |
| 56 | RDATA_GROUP (G1_PEICC) |
| 57 | |
| 58 | #define FILECODE PROC_CPU_CPUEVENTLOG_FILECODE |
| 59 | /*---------------------------------------------------------------------------------------- |
| 60 | * D E F I N I T I O N S A N D M A C R O S |
| 61 | *---------------------------------------------------------------------------------------- |
| 62 | */ |
| 63 | #define TOTAL_EVENT_LOG_BUFFERS 16 |
| 64 | |
| 65 | /*---------------------------------------------------------------------------------------- |
| 66 | * T Y P E D E F S A N D S T R U C T U R E S |
| 67 | *---------------------------------------------------------------------------------------- |
| 68 | */ |
| 69 | |
| 70 | /** |
| 71 | * A wrapper for each Event Log entry. |
| 72 | */ |
| 73 | typedef struct { |
| 74 | UINT16 Count; ///< Entry number |
| 75 | AGESA_EVENT AgesaEvent; ///< The entry itself. |
| 76 | } AGESA_EVENT_STRUCT; |
| 77 | |
| 78 | /** |
| 79 | * The Event Log. |
| 80 | */ |
| 81 | typedef struct { |
| 82 | UINT16 ReadWriteFlag; ///< Read Write flag. |
| 83 | UINT16 Count; ///< The total number of active entries. |
| 84 | UINT16 ReadRecordPtr; ///< The next entry to read. |
| 85 | UINT16 WriteRecordPtr; ///< The next entry to write. |
| 86 | AGESA_EVENT_STRUCT AgesaEventStruct[TOTAL_EVENT_LOG_BUFFERS]; ///< The entries. |
| 87 | } AGESA_STRUCT_BUFFER; |
| 88 | |
| 89 | /*---------------------------------------------------------------------------------------- |
| 90 | * P R O T O T Y P E S O F L O C A L F U N C T I O N S |
| 91 | *---------------------------------------------------------------------------------------- |
| 92 | */ |
| 93 | VOID |
| 94 | STATIC |
| 95 | GetEventLogHeapPointer ( |
| 96 | OUT AGESA_STRUCT_BUFFER **EventLog, |
| 97 | IN AMD_CONFIG_PARAMS *StdHeader |
| 98 | ); |
| 99 | |
| 100 | /*---------------------------------------------------------------------------------------*/ |
| 101 | /** |
| 102 | * External AGESA interface to read an Event from the Event Log. |
| 103 | * |
| 104 | * This is the implementation of the external AGESA interface entry, as a thin wrapper |
| 105 | * around the internal log services. |
| 106 | * |
| 107 | * @param[in] Event The event class, id, and any associated data. |
| 108 | * |
| 109 | * @retval AGESA_SUCCESS Always Succeeds. |
| 110 | */ |
| 111 | AGESA_STATUS |
| 112 | AmdReadEventLog ( |
| 113 | IN EVENT_PARAMS *Event |
| 114 | ) |
| 115 | { |
| 116 | AGESA_EVENT LogEvent; |
| 117 | AGESA_STATUS Status; |
| 118 | |
| 119 | AGESA_TESTPOINT (TpIfAmdReadEventLogEntry, &Event->StdHeader); |
| 120 | |
| 121 | ASSERT (Event != NULL); |
| 122 | Event->StdHeader.HeapBasePtr = HeapGetBaseAddress (&Event->StdHeader); |
| 123 | Status = GetEventLog (&LogEvent, &Event->StdHeader); |
Kyösti Mälkki | bfa72ce | 2017-03-02 13:52:54 +0200 | [diff] [blame] | 124 | if (Status != AGESA_SUCCESS) |
| 125 | return Status; |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 126 | |
| 127 | Event->EventClass = LogEvent.EventClass; |
| 128 | Event->EventInfo = LogEvent.EventInfo; |
| 129 | Event->DataParam1 = LogEvent.DataParam1; |
| 130 | Event->DataParam2 = LogEvent.DataParam2; |
| 131 | Event->DataParam3 = LogEvent.DataParam3; |
| 132 | Event->DataParam4 = LogEvent.DataParam4; |
| 133 | |
| 134 | AGESA_TESTPOINT (TpIfAmdReadEventLogExit, &Event->StdHeader); |
| 135 | return Status; |
| 136 | } |
| 137 | |
| 138 | |
| 139 | /*---------------------------------------------------------------------------------------*/ |
| 140 | /** |
| 141 | * |
| 142 | * This function prepares the Event Log for use. |
| 143 | * |
| 144 | * Allocate the memory for an event log on the heap. Set the read pointer, write pointer, |
| 145 | * and count to reflect the log is empty. |
| 146 | * |
| 147 | * @param[in] StdHeader Our configuration, for passing to services. |
| 148 | * |
| 149 | * @retval AGESA_SUCCESS The event log is initialized. |
| 150 | * @retval AGESA_ERROR Allocate Heap Buffer returned an error. |
| 151 | * |
| 152 | */ |
| 153 | AGESA_STATUS |
| 154 | EventLogInitialization ( |
| 155 | IN AMD_CONFIG_PARAMS *StdHeader |
| 156 | ) |
| 157 | { |
| 158 | ALLOCATE_HEAP_PARAMS AllocateHeapParams; |
| 159 | AGESA_STRUCT_BUFFER *AgesaEventAlloc; |
| 160 | AGESA_STATUS Status; |
| 161 | |
| 162 | AllocateHeapParams.BufferHandle = EVENT_LOG_BUFFER_HANDLE; |
| 163 | AllocateHeapParams.RequestedBufferSize = sizeof (AGESA_STRUCT_BUFFER); |
| 164 | AllocateHeapParams.Persist = HEAP_SYSTEM_MEM; |
| 165 | Status = HeapAllocateBuffer (&AllocateHeapParams, StdHeader); |
| 166 | AgesaEventAlloc = (AGESA_STRUCT_BUFFER *) AllocateHeapParams.BufferPtr; |
| 167 | AgesaEventAlloc->Count = 0; |
| 168 | AgesaEventAlloc->ReadRecordPtr = 0; |
| 169 | AgesaEventAlloc->WriteRecordPtr = 0; |
| 170 | AgesaEventAlloc->ReadWriteFlag = 1; |
| 171 | |
| 172 | return Status; |
| 173 | } |
| 174 | |
| 175 | |
| 176 | /*---------------------------------------------------------------------------------------*/ |
| 177 | /** |
| 178 | * |
| 179 | * This function logs AGESA events into the event log. |
| 180 | * |
| 181 | * It will put the information in a circular buffer consisting of 16 such log |
| 182 | * entries. If the buffer gets full, then the next event log entry will be written |
| 183 | * over the oldest event log entry. |
| 184 | * |
| 185 | * @param[in] EventClass The severity of the event, its associated AGESA_STATUS. |
| 186 | * @param[in] EventInfo Uniquely identifies the event. |
| 187 | * @param[in] DataParam1 Event specific additional data |
| 188 | * @param[in] DataParam2 Event specific additional data |
| 189 | * @param[in] DataParam3 Event specific additional data |
| 190 | * @param[in] DataParam4 Event specific additional data |
| 191 | * @param[in] StdHeader Header for library and services |
| 192 | * |
| 193 | */ |
| 194 | VOID |
| 195 | PutEventLog ( |
| 196 | IN AGESA_STATUS EventClass, |
| 197 | IN UINT32 EventInfo, |
| 198 | IN UINT32 DataParam1, |
| 199 | IN UINT32 DataParam2, |
| 200 | IN UINT32 DataParam3, |
| 201 | IN UINT32 DataParam4, |
| 202 | IN AMD_CONFIG_PARAMS *StdHeader |
| 203 | ) |
| 204 | { |
| 205 | UINT16 Index; |
| 206 | AGESA_STRUCT_BUFFER *AgesaEventAlloc; |
| 207 | |
| 208 | IDS_HDT_CONSOLE (MAIN_FLOW, "\n * %s Event: %08x Data: %x, %x, %x, %x\n\n", |
| 209 | (EventClass == AGESA_FATAL) ? "FATAL" : |
| 210 | (EventClass == AGESA_CRITICAL) ? "CRITICAL" : |
| 211 | (EventClass == AGESA_ERROR) ? "ERROR" : |
| 212 | (EventClass == AGESA_WARNING) ? "WARNING" : |
| 213 | (EventClass == AGESA_ALERT) ? "ALERT" : |
| 214 | (EventClass == AGESA_BOUNDS_CHK) ? "BOUNDS_CHK" : |
| 215 | (EventClass == AGESA_UNSUPPORTED) ? "UNSUPPORTED" : |
| 216 | "SUCCESS", EventInfo, DataParam1, DataParam2, DataParam3, DataParam4); |
| 217 | |
Kyösti Mälkki | 4f74c89 | 2017-03-02 13:53:21 +0200 | [diff] [blame] | 218 | if (EventClass < AGESA_STATUS_LOG_LEVEL) |
| 219 | return; |
| 220 | |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 221 | AgesaEventAlloc = NULL; |
| 222 | GetEventLogHeapPointer (&AgesaEventAlloc, StdHeader); |
| 223 | ASSERT (AgesaEventAlloc != NULL); |
Kyösti Mälkki | bfa72ce | 2017-03-02 13:52:54 +0200 | [diff] [blame] | 224 | if (AgesaEventAlloc == NULL) |
| 225 | return; |
| 226 | |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 227 | Index = AgesaEventAlloc->WriteRecordPtr; |
| 228 | |
| 229 | // Add the new event log data into a circular buffer |
| 230 | AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.EventClass = EventClass; |
| 231 | AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.EventInfo = EventInfo; |
| 232 | AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam1 = DataParam1; |
| 233 | AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam2 = DataParam2; |
| 234 | AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam3 = DataParam3; |
| 235 | AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam4 = DataParam4; |
| 236 | |
| 237 | if ((AgesaEventAlloc->WriteRecordPtr == AgesaEventAlloc->ReadRecordPtr) && |
| 238 | (AgesaEventAlloc->ReadWriteFlag == 0)) { |
| 239 | AgesaEventAlloc->WriteRecordPtr += 1; |
| 240 | AgesaEventAlloc->ReadRecordPtr += 1; |
| 241 | if (AgesaEventAlloc->WriteRecordPtr == TOTAL_EVENT_LOG_BUFFERS) { |
| 242 | AgesaEventAlloc->WriteRecordPtr = 0; |
| 243 | AgesaEventAlloc->ReadRecordPtr = 0; |
| 244 | } |
| 245 | } else { |
| 246 | AgesaEventAlloc->WriteRecordPtr += 1; |
| 247 | if (AgesaEventAlloc->WriteRecordPtr == TOTAL_EVENT_LOG_BUFFERS) { |
| 248 | AgesaEventAlloc->WriteRecordPtr = 0; |
| 249 | } |
| 250 | AgesaEventAlloc->ReadWriteFlag = 0; |
| 251 | } |
| 252 | AgesaEventAlloc->Count = AgesaEventAlloc->Count + 1; |
| 253 | |
| 254 | if (AgesaEventAlloc->Count <= TOTAL_EVENT_LOG_BUFFERS) { |
| 255 | AgesaEventAlloc->AgesaEventStruct[Index].Count = Index; |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | |
| 260 | /*---------------------------------------------------------------------------------------*/ |
| 261 | /** |
| 262 | * |
| 263 | * This function gets event logs from the circular buffer. |
| 264 | * |
| 265 | * It will read the oldest entry from the circular buffer and place that information to the structure |
| 266 | * pointed to by the parameter. The read pointers will be incremented to remove the entry from buffer |
| 267 | * so that a subsequent call will return the next entry from the buffer. If the buffer is empty the |
| 268 | * returned log event will have EventInfo zero, which is not a valid event id. |
| 269 | * |
| 270 | * @param[out] EventRecord The next log event. |
| 271 | * @param[in] StdHeader Header for library and services |
| 272 | * |
| 273 | * @retval AGESA_SUCCESS Always succeeds. |
| 274 | * |
| 275 | */ |
| 276 | AGESA_STATUS |
| 277 | GetEventLog ( |
| 278 | OUT AGESA_EVENT *EventRecord, |
| 279 | IN AMD_CONFIG_PARAMS *StdHeader |
| 280 | ) |
| 281 | { |
| 282 | UINT16 Index; |
| 283 | AGESA_STRUCT_BUFFER *AgesaEventAlloc; |
| 284 | |
| 285 | AgesaEventAlloc = NULL; |
| 286 | |
| 287 | GetEventLogHeapPointer (&AgesaEventAlloc, StdHeader); |
| 288 | ASSERT (AgesaEventAlloc != NULL); |
Kyösti Mälkki | bfa72ce | 2017-03-02 13:52:54 +0200 | [diff] [blame] | 289 | if (AgesaEventAlloc == NULL) |
| 290 | return AGESA_BOUNDS_CHK; |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 291 | |
| 292 | if ((AgesaEventAlloc->ReadRecordPtr == AgesaEventAlloc->WriteRecordPtr) && |
| 293 | (AgesaEventAlloc->ReadWriteFlag == 1)) { |
| 294 | // EventInfo == zero, means no more data. |
| 295 | LibAmdMemFill (EventRecord, 0, sizeof (AGESA_EVENT), StdHeader); |
| 296 | } else { |
| 297 | Index = AgesaEventAlloc->ReadRecordPtr; |
| 298 | EventRecord->EventClass = AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.EventClass; |
| 299 | EventRecord->EventInfo = AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.EventInfo; |
| 300 | EventRecord->DataParam1 = AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam1; |
| 301 | EventRecord->DataParam2 = AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam2; |
| 302 | EventRecord->DataParam3 = AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam3; |
| 303 | EventRecord->DataParam4 = AgesaEventAlloc->AgesaEventStruct[Index].AgesaEvent.DataParam4; |
| 304 | if (AgesaEventAlloc->ReadRecordPtr == (TOTAL_EVENT_LOG_BUFFERS - 1)) { |
| 305 | AgesaEventAlloc->ReadRecordPtr = 0; |
| 306 | } else { |
| 307 | AgesaEventAlloc->ReadRecordPtr = AgesaEventAlloc->ReadRecordPtr + 1; |
| 308 | } |
| 309 | if (AgesaEventAlloc->ReadRecordPtr == AgesaEventAlloc->WriteRecordPtr) { |
| 310 | AgesaEventAlloc->ReadWriteFlag = 1; |
| 311 | } |
| 312 | } |
| 313 | return (AGESA_SUCCESS); |
| 314 | } |
| 315 | |
| 316 | /*---------------------------------------------------------------------------------------*/ |
| 317 | /** |
| 318 | * |
| 319 | * This function gets event logs from the circular buffer without flushing the entry. |
| 320 | * |
| 321 | * It will read the desired entry from the circular buffer and place that information to the structure |
| 322 | * pointed to by the parameter. The read pointers will not be incremented to remove the entry from the |
| 323 | * buffer. If the buffer is empty, or the desired entry does not exist, FALSE will be returned. |
| 324 | * |
| 325 | * @param[out] EventRecord The next log event. |
| 326 | * @param[in] Index Zero-based unread entry index |
| 327 | * @param[in] StdHeader Header for library and services |
| 328 | * |
| 329 | * @retval TRUE Entry exists |
| 330 | * @retval FALSE Entry does not exist |
| 331 | * |
| 332 | */ |
| 333 | BOOLEAN |
| 334 | PeekEventLog ( |
| 335 | OUT AGESA_EVENT *EventRecord, |
| 336 | IN UINT16 Index, |
| 337 | IN AMD_CONFIG_PARAMS *StdHeader |
| 338 | ) |
| 339 | { |
| 340 | UINT16 ActualIndex; |
| 341 | UINT16 UnreadEntries; |
| 342 | AGESA_STRUCT_BUFFER *AgesaEventAlloc; |
| 343 | |
| 344 | AgesaEventAlloc = NULL; |
| 345 | |
| 346 | GetEventLogHeapPointer (&AgesaEventAlloc, StdHeader); |
| 347 | ASSERT (AgesaEventAlloc != NULL); |
Kyösti Mälkki | bfa72ce | 2017-03-02 13:52:54 +0200 | [diff] [blame] | 348 | if (AgesaEventAlloc == NULL) |
| 349 | return FALSE; |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 350 | |
| 351 | if ((AgesaEventAlloc->ReadRecordPtr == AgesaEventAlloc->WriteRecordPtr) && |
| 352 | (AgesaEventAlloc->ReadWriteFlag == 1)) { |
| 353 | // EventInfo == zero, means no more data. |
| 354 | return FALSE; |
| 355 | } |
| 356 | if (AgesaEventAlloc->ReadRecordPtr < AgesaEventAlloc->WriteRecordPtr) { |
| 357 | UnreadEntries = AgesaEventAlloc->WriteRecordPtr - AgesaEventAlloc->ReadRecordPtr; |
| 358 | } else { |
| 359 | UnreadEntries = TOTAL_EVENT_LOG_BUFFERS - (AgesaEventAlloc->ReadRecordPtr - AgesaEventAlloc->WriteRecordPtr); |
| 360 | } |
| 361 | if (Index >= UnreadEntries) { |
| 362 | return FALSE; |
| 363 | } |
| 364 | ActualIndex = Index + AgesaEventAlloc->ReadRecordPtr; |
| 365 | if (ActualIndex >= TOTAL_EVENT_LOG_BUFFERS) { |
| 366 | ActualIndex -= TOTAL_EVENT_LOG_BUFFERS; |
| 367 | } |
| 368 | |
| 369 | EventRecord->EventClass = AgesaEventAlloc->AgesaEventStruct[ActualIndex].AgesaEvent.EventClass; |
| 370 | EventRecord->EventInfo = AgesaEventAlloc->AgesaEventStruct[ActualIndex].AgesaEvent.EventInfo; |
| 371 | EventRecord->DataParam1 = AgesaEventAlloc->AgesaEventStruct[ActualIndex].AgesaEvent.DataParam1; |
| 372 | EventRecord->DataParam2 = AgesaEventAlloc->AgesaEventStruct[ActualIndex].AgesaEvent.DataParam2; |
| 373 | EventRecord->DataParam3 = AgesaEventAlloc->AgesaEventStruct[ActualIndex].AgesaEvent.DataParam3; |
| 374 | EventRecord->DataParam4 = AgesaEventAlloc->AgesaEventStruct[ActualIndex].AgesaEvent.DataParam4; |
| 375 | |
| 376 | return TRUE; |
| 377 | } |
| 378 | |
| 379 | |
| 380 | /*---------------------------------------------------------------------------------------*/ |
| 381 | /** |
| 382 | * |
| 383 | * This function gets the Event Log pointer. |
| 384 | * |
| 385 | * It will locate the Event Log on the heap using the heap locate service. If the Event |
| 386 | * Log is not located, NULL is returned. |
| 387 | * |
| 388 | * @param[out] EventLog Pointer to the Event Log, or NULL. |
| 389 | * @param[in] StdHeader Our Configuration, for passing to services. |
| 390 | * |
| 391 | */ |
| 392 | VOID |
| 393 | STATIC |
| 394 | GetEventLogHeapPointer ( |
| 395 | OUT AGESA_STRUCT_BUFFER **EventLog, |
| 396 | IN AMD_CONFIG_PARAMS *StdHeader |
| 397 | ) |
| 398 | { |
| 399 | LOCATE_HEAP_PTR LocateHeapStruct; |
| 400 | |
| 401 | LocateHeapStruct.BufferHandle = EVENT_LOG_BUFFER_HANDLE; |
| 402 | LocateHeapStruct.BufferPtr = NULL; |
| 403 | if ((HeapLocateBuffer (&LocateHeapStruct, StdHeader)) == AGESA_SUCCESS) { |
| 404 | *EventLog = (AGESA_STRUCT_BUFFER *)LocateHeapStruct.BufferPtr; |
| 405 | } else { |
| 406 | *EventLog = NULL; |
| 407 | } |
| 408 | } |