-/** @file \r
-\r
+/** @file\r
UEFI Memory pool management functions.\r
\r
-Copyright (c) 2006 - 2008, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
-#include <DxeMain.h>\r
+#include "DxeMain.h"\r
+#include "Imem.h"\r
\r
-#define POOL_FREE_SIGNATURE EFI_SIGNATURE_32('p','f','r','0')\r
+#define POOL_FREE_SIGNATURE SIGNATURE_32('p','f','r','0')\r
typedef struct {\r
UINT32 Signature;\r
UINT32 Index;\r
} POOL_FREE;\r
\r
\r
-#define POOL_HEAD_SIGNATURE EFI_SIGNATURE_32('p','h','d','0')\r
+#define POOL_HEAD_SIGNATURE SIGNATURE_32('p','h','d','0')\r
typedef struct {\r
UINT32 Signature;\r
- UINT32 Size;\r
+ UINT32 Reserved;\r
EFI_MEMORY_TYPE Type;\r
- UINTN Reserved;\r
+ UINTN Size;\r
CHAR8 Data[1];\r
} POOL_HEAD;\r
\r
-#define SIZE_OF_POOL_HEAD EFI_FIELD_OFFSET(POOL_HEAD,Data)\r
+#define SIZE_OF_POOL_HEAD OFFSET_OF(POOL_HEAD,Data)\r
\r
-#define POOL_TAIL_SIGNATURE EFI_SIGNATURE_32('p','t','a','l')\r
+#define POOL_TAIL_SIGNATURE SIGNATURE_32('p','t','a','l')\r
typedef struct {\r
UINT32 Signature;\r
- UINT32 Size;\r
+ UINT32 Reserved;\r
+ UINTN Size;\r
} POOL_TAIL;\r
\r
\r
// Globals\r
//\r
\r
-#define POOL_SIGNATURE EFI_SIGNATURE_32('p','l','s','t')\r
+#define POOL_SIGNATURE SIGNATURE_32('p','l','s','t')\r
typedef struct {\r
INTN Signature;\r
UINTN Used;\r
EFI_MEMORY_TYPE MemoryType;\r
LIST_ENTRY FreeList[MAX_POOL_LIST];\r
LIST_ENTRY Link;\r
-} POOL; \r
-\r
-\r
-POOL PoolHead[EfiMaxMemoryType];\r
-LIST_ENTRY PoolHeadList;\r
+} POOL;\r
\r
//\r
+// Pool header for each memory type.\r
+//\r
+POOL mPoolHead[EfiMaxMemoryType];\r
+\r
//\r
+// List of pool header to search for the appropriate memory type.\r
//\r
+LIST_ENTRY mPoolHeadList = INITIALIZE_LIST_HEAD_VARIABLE (mPoolHeadList);\r
\r
\r
/**\r
UINTN Index;\r
\r
for (Type=0; Type < EfiMaxMemoryType; Type++) {\r
- PoolHead[Type].Signature = 0;\r
- PoolHead[Type].Used = 0;\r
- PoolHead[Type].MemoryType = (EFI_MEMORY_TYPE) Type;\r
+ mPoolHead[Type].Signature = 0;\r
+ mPoolHead[Type].Used = 0;\r
+ mPoolHead[Type].MemoryType = (EFI_MEMORY_TYPE) Type;\r
for (Index=0; Index < MAX_POOL_LIST; Index++) {\r
- InitializeListHead (&PoolHead[Type].FreeList[Index]);\r
+ InitializeListHead (&mPoolHead[Type].FreeList[Index]);\r
}\r
}\r
- InitializeListHead (&PoolHeadList);\r
}\r
\r
\r
/**\r
Look up pool head for specified memory type.\r
\r
- @param MemoryType Memory type of which pool head is looked for \r
+ @param MemoryType Memory type of which pool head is looked for\r
\r
@return Pointer of Corresponding pool head.\r
\r
**/\r
-STATIC\r
POOL *\r
LookupPoolHead (\r
IN EFI_MEMORY_TYPE MemoryType\r
POOL *Pool;\r
UINTN Index;\r
\r
- if (MemoryType >= 0 && MemoryType < EfiMaxMemoryType) {\r
- return &PoolHead[MemoryType];\r
+ if ((UINT32)MemoryType < EfiMaxMemoryType) {\r
+ return &mPoolHead[MemoryType];\r
}\r
\r
- if (MemoryType < 0) {\r
+ //\r
+ // MemoryType values in the range 0x80000000..0xFFFFFFFF are reserved for use by UEFI \r
+ // OS loaders that are provided by operating system vendors\r
+ //\r
+ if ((INT32)MemoryType < 0) {\r
\r
- for (Link = PoolHeadList.ForwardLink; Link != &PoolHeadList; Link = Link->ForwardLink) {\r
+ for (Link = mPoolHeadList.ForwardLink; Link != &mPoolHeadList; Link = Link->ForwardLink) {\r
Pool = CR(Link, POOL, Link, POOL_SIGNATURE);\r
if (Pool->MemoryType == MemoryType) {\r
return Pool;\r
InitializeListHead (&Pool->FreeList[Index]);\r
}\r
\r
- InsertHeadList (&PoolHeadList, &Pool->Link);\r
+ InsertHeadList (&mPoolHeadList, &Pool->Link);\r
\r
return Pool;\r
}\r
return NULL;\r
}\r
\r
- \r
\r
\r
/**\r
Allocate pool of a particular type.\r
\r
- @param PoolType Type of pool to allocate \r
- @param Size The amount of pool to allocate \r
- @param Buffer The address to return a pointer to the allocated \r
- pool \r
+ @param PoolType Type of pool to allocate\r
+ @param Size The amount of pool to allocate\r
+ @param Buffer The address to return a pointer to the allocated\r
+ pool\r
\r
- @retval EFI_INVALID_PARAMETER PoolType not valid \r
- @retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed. \r
+ @retval EFI_INVALID_PARAMETER PoolType not valid or Buffer is NULL. \r
+ @retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.\r
@retval EFI_SUCCESS Pool successfully allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-CoreAllocatePool (\r
+CoreInternalAllocatePool (\r
IN EFI_MEMORY_TYPE PoolType,\r
IN UINTN Size,\r
OUT VOID **Buffer\r
PoolType == EfiConventionalMemory) {\r
return EFI_INVALID_PARAMETER;\r
}\r
- \r
+\r
+ if (Buffer == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
*Buffer = NULL;\r
- \r
+\r
//\r
// If size is too large, fail it\r
// Base on the EFI spec, return status of EFI_OUT_OF_RESOURCES\r
return (*Buffer != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r
}\r
\r
+/**\r
+ Allocate pool of a particular type.\r
+\r
+ @param PoolType Type of pool to allocate\r
+ @param Size The amount of pool to allocate\r
+ @param Buffer The address to return a pointer to the allocated\r
+ pool\r
+\r
+ @retval EFI_INVALID_PARAMETER PoolType not valid or Buffer is NULL. \r
+ @retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.\r
+ @retval EFI_SUCCESS Pool successfully allocated.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreAllocatePool (\r
+ IN EFI_MEMORY_TYPE PoolType,\r
+ IN UINTN Size,\r
+ OUT VOID **Buffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
\r
+ Status = CoreInternalAllocatePool (PoolType, Size, Buffer);\r
+ if (!EFI_ERROR (Status)) {\r
+ CoreUpdateProfile ((EFI_PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS (0), MemoryProfileActionAllocatePool, PoolType, Size, *Buffer);\r
+ }\r
+ return Status;\r
+}\r
\r
/**\r
Internal function to allocate pool of a particular type.\r
Caller must have the memory lock held\r
\r
- @param PoolType Type of pool to allocate \r
- @param Size The amount of pool to allocate \r
+ @param PoolType Type of pool to allocate\r
+ @param Size The amount of pool to allocate\r
\r
@return The allocate pool, or NULL\r
\r
UINTN Index;\r
UINTN FSize;\r
UINTN Offset;\r
- UINTN Adjustment;\r
UINTN NoPages;\r
\r
ASSERT_LOCKED (&gMemoryLock);\r
//\r
// Adjust the size by the pool header & tail overhead\r
//\r
- \r
+\r
//\r
// Adjusting the Size to be of proper alignment so that\r
// we don't get an unaligned access fault later when\r
// pool_Tail is being initialized\r
//\r
- ALIGN_VARIABLE (Size, Adjustment);\r
+ Size = ALIGN_VARIABLE (Size);\r
\r
Size += POOL_OVERHEAD;\r
Index = SIZE_TO_LIST(Size);\r
//\r
if (Index >= MAX_POOL_LIST) {\r
NoPages = EFI_SIZE_TO_PAGES(Size) + EFI_SIZE_TO_PAGES (DEFAULT_PAGE_ALLOCATION) - 1;\r
- NoPages &= ~(EFI_SIZE_TO_PAGES (DEFAULT_PAGE_ALLOCATION) - 1);\r
+ NoPages &= ~(UINTN)(EFI_SIZE_TO_PAGES (DEFAULT_PAGE_ALLOCATION) - 1);\r
Head = CoreAllocatePoolPages (PoolType, NoPages, DEFAULT_PAGE_ALLOCATION);\r
goto Done;\r
}\r
FSize = LIST_TO_SIZE(Index);\r
\r
while (Offset + FSize <= DEFAULT_PAGE_ALLOCATION) {\r
- Free = (POOL_FREE *) &NewPage[Offset]; \r
+ Free = (POOL_FREE *) &NewPage[Offset];\r
Free->Signature = POOL_FREE_SIGNATURE;\r
Free->Index = (UINT32)Index;\r
InsertHeadList (&Pool->FreeList[Index], &Free->Link);\r
Buffer = NULL;\r
\r
if (Head != NULL) {\r
- \r
+\r
//\r
// If we have a pool buffer, fill in the header & tail info\r
//\r
Head->Signature = POOL_HEAD_SIGNATURE;\r
- Head->Size = (UINT32) Size;\r
+ Head->Size = Size;\r
Head->Type = (EFI_MEMORY_TYPE) PoolType;\r
Tail = HEAD_TO_TAIL (Head);\r
Tail->Signature = POOL_TAIL_SIGNATURE;\r
- Tail->Size = (UINT32) Size;\r
+ Tail->Size = Size;\r
Buffer = Head->Data;\r
DEBUG_CLEAR_MEMORY (Buffer, Size - POOL_OVERHEAD);\r
\r
- DEBUG (\r
- (DEBUG_POOL,\r
- "AllocatePoolI: Type %x, Addr %x (len %x) %,d\n",\r
- PoolType, \r
- Buffer, \r
- Size - POOL_OVERHEAD, \r
- Pool->Used)\r
- );\r
+ DEBUG ((\r
+ DEBUG_POOL,\r
+ "AllocatePoolI: Type %x, Addr %p (len %lx) %,ld\n", PoolType,\r
+ Buffer,\r
+ (UINT64)(Size - POOL_OVERHEAD),\r
+ (UINT64) Pool->Used\r
+ ));\r
\r
//\r
// Account the allocation\r
Pool->Used += Size;\r
\r
} else {\r
- DEBUG ((DEBUG_ERROR | DEBUG_POOL, "AllocatePool: failed to allocate %d bytes\n", Size));\r
+ DEBUG ((DEBUG_ERROR | DEBUG_POOL, "AllocatePool: failed to allocate %ld bytes\n", (UINT64) Size));\r
}\r
\r
return Buffer;\r
}\r
- \r
\r
\r
\r
/**\r
Frees pool.\r
\r
- @param Buffer The allocated pool entry to free \r
+ @param Buffer The allocated pool entry to free\r
\r
- @retval EFI_INVALID_PARAMETER Buffer is not a valid value. \r
+ @retval EFI_INVALID_PARAMETER Buffer is not a valid value.\r
@retval EFI_SUCCESS Pool successfully freed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-CoreFreePool (\r
+CoreInternalFreePool (\r
IN VOID *Buffer\r
)\r
{\r
EFI_STATUS Status;\r
\r
- if (NULL == Buffer) {\r
+ if (Buffer == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
return Status;\r
}\r
\r
+/**\r
+ Frees pool.\r
\r
+ @param Buffer The allocated pool entry to free\r
+\r
+ @retval EFI_INVALID_PARAMETER Buffer is not a valid value.\r
+ @retval EFI_SUCCESS Pool successfully freed.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreFreePool (\r
+ IN VOID *Buffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ Status = CoreInternalFreePool (Buffer);\r
+ if (!EFI_ERROR (Status)) {\r
+ CoreUpdateProfile ((EFI_PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS (0), MemoryProfileActionFreePool, 0, 0, Buffer);\r
+ }\r
+ return Status;\r
+}\r
\r
/**\r
Internal function to free a pool entry.\r
Caller must have the memory lock held\r
\r
- @param Buffer The allocated pool entry to free \r
+ @param Buffer The allocated pool entry to free\r
\r
- @retval EFI_INVALID_PARAMETER Buffer not valid \r
+ @retval EFI_INVALID_PARAMETER Buffer not valid\r
@retval EFI_SUCCESS Buffer successfully freed.\r
\r
**/\r
UINTN Offset;\r
BOOLEAN AllFree;\r
\r
- ASSERT(NULL != Buffer);\r
+ ASSERT(Buffer != NULL);\r
//\r
// Get the head & tail of the pool entry\r
//\r
Head = CR (Buffer, POOL_HEAD, Data, POOL_HEAD_SIGNATURE);\r
- ASSERT(NULL != Head);\r
+ ASSERT(Head != NULL);\r
\r
if (Head->Signature != POOL_HEAD_SIGNATURE) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
Tail = HEAD_TO_TAIL (Head);\r
- ASSERT(NULL != Tail);\r
+ ASSERT(Tail != NULL);\r
\r
//\r
// Debug\r
return EFI_INVALID_PARAMETER;\r
}\r
Pool->Used -= Size;\r
- DEBUG ((DEBUG_POOL, "FreePool: %x (len %x) %,d\n", Head->Data, Head->Size - POOL_OVERHEAD, Pool->Used));\r
+ DEBUG ((DEBUG_POOL, "FreePool: %p (len %lx) %,ld\n", Head->Data, (UINT64)(Head->Size - POOL_OVERHEAD), (UINT64) Pool->Used));\r
\r
//\r
- // Determine the pool list \r
+ // Determine the pool list\r
//\r
Index = SIZE_TO_LIST(Size);\r
DEBUG_CLEAR_MEMORY (Head, Size);\r
// Return the memory pages back to free memory\r
//\r
NoPages = EFI_SIZE_TO_PAGES(Size) + EFI_SIZE_TO_PAGES (DEFAULT_PAGE_ALLOCATION) - 1;\r
- NoPages &= ~(EFI_SIZE_TO_PAGES (DEFAULT_PAGE_ALLOCATION) - 1);\r
+ NoPages &= ~(UINTN)(EFI_SIZE_TO_PAGES (DEFAULT_PAGE_ALLOCATION) - 1);\r
CoreFreePoolPages ((EFI_PHYSICAL_ADDRESS) (UINTN) Head, NoPages);\r
\r
} else {\r
// Put the pool entry onto the free pool list\r
//\r
Free = (POOL_FREE *) Head;\r
- ASSERT(NULL != Free);\r
+ ASSERT(Free != NULL);\r
Free->Signature = POOL_FREE_SIGNATURE;\r
Free->Index = (UINT32)Index;\r
InsertHeadList (&Pool->FreeList[Index], &Free->Link);\r
\r
//\r
- // See if all the pool entries in the same page as Free are freed pool \r
+ // See if all the pool entries in the same page as Free are freed pool\r
// entries\r
//\r
NewPage = (CHAR8 *)((UINTN)Free & ~((DEFAULT_PAGE_ALLOCATION) -1));\r
Free = (POOL_FREE *) &NewPage[0];\r
- ASSERT(NULL != Free);\r
+ ASSERT(Free != NULL);\r
\r
if (Free->Signature == POOL_FREE_SIGNATURE) {\r
\r
\r
AllFree = TRUE;\r
Offset = 0;\r
- \r
+\r
while ((Offset < DEFAULT_PAGE_ALLOCATION) && (AllFree)) {\r
FSize = LIST_TO_SIZE(Index);\r
while (Offset + FSize <= DEFAULT_PAGE_ALLOCATION) {\r
Free = (POOL_FREE *) &NewPage[Offset];\r
- ASSERT(NULL != Free);\r
+ ASSERT(Free != NULL);\r
if (Free->Signature != POOL_FREE_SIGNATURE) {\r
AllFree = FALSE;\r
}\r
if (AllFree) {\r
\r
//\r
- // All of the pool entries in the same page as Free are free pool \r
+ // All of the pool entries in the same page as Free are free pool\r
// entries\r
// Remove all of these pool entries from the free loop lists.\r
//\r
Free = (POOL_FREE *) &NewPage[0];\r
- ASSERT(NULL != Free);\r
+ ASSERT(Free != NULL);\r
Index = Free->Index;\r
Offset = 0;\r
- \r
+\r
while (Offset < DEFAULT_PAGE_ALLOCATION) {\r
FSize = LIST_TO_SIZE(Index);\r
while (Offset + FSize <= DEFAULT_PAGE_ALLOCATION) {\r
Free = (POOL_FREE *) &NewPage[Offset];\r
- ASSERT(NULL != Free);\r
+ ASSERT(Free != NULL);\r
RemoveEntryList (&Free->Link);\r
Offset += FSize;\r
}\r
}\r
\r
//\r
- // If this is an OS specific memory type, then check to see if the last \r
+ // If this is an OS specific memory type, then check to see if the last\r
// portion of that memory type has been freed. If it has, then free the\r
// list entry for that memory type\r
//\r
- if (Pool->MemoryType < 0 && Pool->Used == 0) {\r
+ if ((INT32)Pool->MemoryType < 0 && Pool->Used == 0) {\r
RemoveEntryList (&Pool->Link);\r
CoreFreePoolI (Pool);\r
}\r
\r
return EFI_SUCCESS;\r
}\r
+\r
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