/** @file\r
UEFI Memory pool management functions.\r
\r
-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2016, 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
#include "DxeMain.h"\r
#include "Imem.h"\r
\r
+STATIC EFI_LOCK mPoolMemoryLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r
+\r
#define POOL_FREE_SIGNATURE SIGNATURE_32('p','f','r','0')\r
typedef struct {\r
UINT32 Signature;\r
// as we would in a strict power-of-2 sequence\r
//\r
STATIC CONST UINT16 mPoolSizeTable[] = {\r
- 64, 128, 192, 320, 512, 832, 1344, 2176, 3520, 5696, 9216, 14912, 24128\r
+ 128, 256, 384, 640, 1024, 1664, 2688, 4352, 7040, 11392, 18432, 29824\r
};\r
\r
#define SIZE_TO_LIST(a) (GetPoolIndexFromSize (a))\r
#define LIST_TO_SIZE(a) (mPoolSizeTable [a])\r
\r
-#define MAX_POOL_LIST (sizeof (mPoolSizeTable) / sizeof (mPoolSizeTable[0]))\r
+#define MAX_POOL_LIST (ARRAY_SIZE (mPoolSizeTable))\r
\r
#define MAX_POOL_SIZE (MAX_ADDRESS - POOL_OVERHEAD)\r
\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
- PoolType was EfiPersistentMemory.\r
+ @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
+ PoolType is in the range EfiMaxMemoryType..0x6FFFFFFF.\r
+ PoolType is EfiPersistentMemory.\r
@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.\r
@retval EFI_SUCCESS Pool successfully allocated.\r
\r
//\r
// Acquire the memory lock and make the allocation\r
//\r
- Status = CoreAcquireLockOrFail (&gMemoryLock);\r
+ Status = CoreAcquireLockOrFail (&mPoolMemoryLock);\r
if (EFI_ERROR (Status)) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
*Buffer = CoreAllocatePoolI (PoolType, Size);\r
- CoreReleaseMemoryLock ();\r
+ CoreReleaseLock (&mPoolMemoryLock);\r
return (*Buffer != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r
}\r
\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_INVALID_PARAMETER Buffer is NULL.\r
+ PoolType is in the range EfiMaxMemoryType..0x6FFFFFFF.\r
+ PoolType is EfiPersistentMemory.\r
@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.\r
@retval EFI_SUCCESS Pool successfully allocated.\r
\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
+ CoreUpdateProfile (\r
+ (EFI_PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS (0),\r
+ MemoryProfileActionAllocatePool,\r
+ PoolType,\r
+ Size,\r
+ *Buffer,\r
+ NULL\r
+ );\r
+ InstallMemoryAttributesTableOnMemoryAllocation (PoolType);\r
}\r
return Status;\r
}\r
\r
+/**\r
+ Internal function. Used by the pool functions to allocate pages\r
+ to back pool allocation requests.\r
+\r
+ @param PoolType The type of memory for the new pool pages\r
+ @param NoPages No of pages to allocate\r
+ @param Granularity Bits to align.\r
+\r
+ @return The allocated memory, or NULL\r
+\r
+**/\r
+STATIC\r
+VOID *\r
+CoreAllocatePoolPagesI (\r
+ IN EFI_MEMORY_TYPE PoolType,\r
+ IN UINTN NoPages,\r
+ IN UINTN Granularity\r
+ )\r
+{\r
+ VOID *Buffer;\r
+ EFI_STATUS Status;\r
+\r
+ Status = CoreAcquireLockOrFail (&gMemoryLock);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+\r
+ Buffer = CoreAllocatePoolPages (PoolType, NoPages, Granularity);\r
+ CoreReleaseMemoryLock ();\r
+\r
+ if (Buffer != NULL) {\r
+ ApplyMemoryProtectionPolicy (EfiConventionalMemory, PoolType,\r
+ (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer, EFI_PAGES_TO_SIZE (NoPages));\r
+ }\r
+ return Buffer;\r
+}\r
+\r
/**\r
Internal function to allocate pool of a particular type.\r
Caller must have the memory lock held\r
UINTN NoPages;\r
UINTN Granularity;\r
\r
- ASSERT_LOCKED (&gMemoryLock);\r
+ ASSERT_LOCKED (&mPoolMemoryLock);\r
\r
if (PoolType == EfiACPIReclaimMemory ||\r
PoolType == EfiACPIMemoryNVS ||\r
PoolType == EfiRuntimeServicesCode ||\r
PoolType == EfiRuntimeServicesData) {\r
\r
- Granularity = EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT;\r
+ Granularity = RUNTIME_PAGE_ALLOCATION_GRANULARITY;\r
} else {\r
- Granularity = DEFAULT_PAGE_ALLOCATION;\r
+ Granularity = DEFAULT_PAGE_ALLOCATION_GRANULARITY;\r
}\r
\r
//\r
if (Index >= SIZE_TO_LIST (Granularity)) {\r
NoPages = EFI_SIZE_TO_PAGES(Size) + EFI_SIZE_TO_PAGES (Granularity) - 1;\r
NoPages &= ~(UINTN)(EFI_SIZE_TO_PAGES (Granularity) - 1);\r
- Head = CoreAllocatePoolPages (PoolType, NoPages, Granularity);\r
+ Head = CoreAllocatePoolPagesI (PoolType, NoPages, Granularity);\r
goto Done;\r
}\r
\r
//\r
// Get another page\r
//\r
- NewPage = CoreAllocatePoolPages(PoolType, EFI_SIZE_TO_PAGES (Granularity), Granularity);\r
+ NewPage = CoreAllocatePoolPagesI (PoolType, EFI_SIZE_TO_PAGES (Granularity), Granularity);\r
if (NewPage == NULL) {\r
goto Done;\r
}\r
Frees pool.\r
\r
@param Buffer The allocated pool entry to free\r
+ @param PoolType Pointer to pool type\r
\r
@retval EFI_INVALID_PARAMETER Buffer is not a valid value.\r
@retval EFI_SUCCESS Pool successfully freed.\r
EFI_STATUS\r
EFIAPI\r
CoreInternalFreePool (\r
- IN VOID *Buffer\r
+ IN VOID *Buffer,\r
+ OUT EFI_MEMORY_TYPE *PoolType OPTIONAL\r
)\r
{\r
EFI_STATUS Status;\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- CoreAcquireMemoryLock ();\r
- Status = CoreFreePoolI (Buffer);\r
- CoreReleaseMemoryLock ();\r
+ CoreAcquireLock (&mPoolMemoryLock);\r
+ Status = CoreFreePoolI (Buffer, PoolType);\r
+ CoreReleaseLock (&mPoolMemoryLock);\r
return Status;\r
}\r
\r
IN VOID *Buffer\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
+ EFI_MEMORY_TYPE PoolType;\r
\r
- Status = CoreInternalFreePool (Buffer);\r
+ Status = CoreInternalFreePool (Buffer, &PoolType);\r
if (!EFI_ERROR (Status)) {\r
- CoreUpdateProfile ((EFI_PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS (0), MemoryProfileActionFreePool, (EFI_MEMORY_TYPE) 0, 0, Buffer);\r
+ CoreUpdateProfile (\r
+ (EFI_PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS (0),\r
+ MemoryProfileActionFreePool,\r
+ PoolType,\r
+ 0,\r
+ Buffer,\r
+ NULL\r
+ );\r
+ InstallMemoryAttributesTableOnMemoryAllocation (PoolType);\r
}\r
return Status;\r
}\r
\r
+/**\r
+ Internal function. Frees pool pages allocated via CoreAllocatePoolPagesI().\r
+\r
+ @param PoolType The type of memory for the pool pages\r
+ @param Memory The base address to free\r
+ @param NoPages The number of pages to free\r
+\r
+**/\r
+STATIC\r
+VOID\r
+CoreFreePoolPagesI (\r
+ IN EFI_MEMORY_TYPE PoolType,\r
+ IN EFI_PHYSICAL_ADDRESS Memory,\r
+ IN UINTN NoPages\r
+ )\r
+{\r
+ CoreAcquireMemoryLock ();\r
+ CoreFreePoolPages (Memory, NoPages);\r
+ CoreReleaseMemoryLock ();\r
+\r
+ ApplyMemoryProtectionPolicy (PoolType, EfiConventionalMemory,\r
+ (EFI_PHYSICAL_ADDRESS)(UINTN)Memory, EFI_PAGES_TO_SIZE (NoPages));\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 PoolType Pointer to pool type\r
\r
@retval EFI_INVALID_PARAMETER Buffer not valid\r
@retval EFI_SUCCESS Buffer successfully freed.\r
**/\r
EFI_STATUS\r
CoreFreePoolI (\r
- IN VOID *Buffer\r
+ IN VOID *Buffer,\r
+ OUT EFI_MEMORY_TYPE *PoolType OPTIONAL\r
)\r
{\r
POOL *Pool;\r
//\r
ASSERT (Tail->Signature == POOL_TAIL_SIGNATURE);\r
ASSERT (Head->Size == Tail->Size);\r
- ASSERT_LOCKED (&gMemoryLock);\r
+ ASSERT_LOCKED (&mPoolMemoryLock);\r
\r
if (Tail->Signature != POOL_TAIL_SIGNATURE) {\r
return EFI_INVALID_PARAMETER;\r
Head->Type == EfiRuntimeServicesCode ||\r
Head->Type == EfiRuntimeServicesData) {\r
\r
- Granularity = EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT;\r
+ Granularity = RUNTIME_PAGE_ALLOCATION_GRANULARITY;\r
} else {\r
- Granularity = DEFAULT_PAGE_ALLOCATION;\r
+ Granularity = DEFAULT_PAGE_ALLOCATION_GRANULARITY;\r
+ }\r
+\r
+ if (PoolType != NULL) {\r
+ *PoolType = Head->Type;\r
}\r
\r
//\r
//\r
NoPages = EFI_SIZE_TO_PAGES(Size) + EFI_SIZE_TO_PAGES (Granularity) - 1;\r
NoPages &= ~(UINTN)(EFI_SIZE_TO_PAGES (Granularity) - 1);\r
- CoreFreePoolPages ((EFI_PHYSICAL_ADDRESS) (UINTN) Head, NoPages);\r
+ CoreFreePoolPagesI (Pool->MemoryType, (EFI_PHYSICAL_ADDRESS) (UINTN) Head, NoPages);\r
\r
} else {\r
\r
//\r
// Free the page\r
//\r
- CoreFreePoolPages ((EFI_PHYSICAL_ADDRESS) (UINTN)NewPage, EFI_SIZE_TO_PAGES (Granularity));\r
+ CoreFreePoolPagesI (Pool->MemoryType, (EFI_PHYSICAL_ADDRESS) (UINTN)NewPage,\r
+ EFI_SIZE_TO_PAGES (Granularity));\r
}\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/OEM 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 ((INT32)Pool->MemoryType < 0 && Pool->Used == 0) {\r
+ if (((UINT32) Pool->MemoryType >= MEMORY_TYPE_OEM_RESERVED_MIN) && Pool->Used == 0) {\r
RemoveEntryList (&Pool->Link);\r
- CoreFreePoolI (Pool);\r
+ CoreFreePoolI (Pool, NULL);\r
}\r
\r
return EFI_SUCCESS;\r
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