/** @file\r
- UncachedMemoryAllocation lib that uses DXE CPU driver to chnage cachability for\r
+ UncachedMemoryAllocation lib that uses DXE Service to change cachability for\r
a buffer.\r
\r
- Copyright (c) 2008-2010, Apple Inc. All rights reserved.\r
+ Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r
\r
- All rights reserved. This program and the accompanying materials\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
**/\r
\r
+#include <Base.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/ArmLib.h>\r
#include <Library/DxeServicesTableLib.h>\r
\r
-#include <Protocol/Cpu.h>\r
-\r
VOID *\r
UncachedInternalAllocatePages (\r
IN EFI_MEMORY_TYPE MemoryType, \r
\r
\r
\r
-EFI_CPU_ARCH_PROTOCOL *gDebugUncachedCpu;\r
-\r
//\r
// Assume all of memory has the same cache attributes, unless we do our magic\r
//\r
gAttributes = Descriptor.Attributes;\r
}\r
\r
- Status = gDebugUncachedCpu->SetMemoryAttributes (gDebugUncachedCpu, Memory, EFI_PAGES_TO_SIZE (Pages), EFI_MEMORY_UC);\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
+ Status = gDS->SetMemorySpaceAttributes (Memory, EFI_PAGES_TO_SIZE (Pages), EFI_MEMORY_WC);\r
+ ASSERT_EFI_ERROR (Status);\r
\r
return (VOID *)(UINTN)Memory;\r
}\r
ASSERT (Pages != 0);\r
\r
Memory = (EFI_PHYSICAL_ADDRESS) (UINTN) Buffer;\r
- Status = gDebugUncachedCpu->SetMemoryAttributes (gDebugUncachedCpu, Memory, EFI_PAGES_TO_SIZE (Pages), gAttributes);\r
+ Status = gDS->SetMemorySpaceAttributes (Memory, EFI_PAGES_TO_SIZE (Pages), gAttributes);\r
\r
Status = gBS->FreePages (Memory, Pages);\r
ASSERT_EFI_ERROR (Status);\r
}\r
}\r
\r
-/**\r
- The constructor function caches the pointer of DXE Services Table.\r
-\r
- The constructor function caches the pointer of DXE Services Table.\r
- It will ASSERT() if that operation fails.\r
- It will ASSERT() if the pointer of DXE Services Table is NULL.\r
- It will always return EFI_SUCCESS.\r
-\r
- @param ImageHandle The firmware allocated handle for the EFI image.\r
- @param SystemTable A pointer to the EFI System Table.\r
-\r
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-UncachedMemoryAllocationLibConstructor (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
- \r
- Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&gDebugUncachedCpu);\r
- ASSERT_EFI_ERROR(Status);\r
-\r
-\r
- return Status;\r
-}\r
-\r
-\r
-\r