/** @file\r
\r
- Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>\r
\r
This program and the accompanying materials are licensed and made available under\r
the terms and conditions of the BSD License which accompanies this distribution.\r
\r
PEI Memory Layout:\r
\r
- +------------------+ <=============== PHMR.Limit (Top of memory)\r
+ +------------------+ <=============== PHMR.Limit (+ alignment) (1 << (HostAddressWidth + 1))\r
| Mem Resource |\r
| |\r
\r
DMA Buffer | * DMA FREE * |\r
| | -------------- |\r
V | Read/Write Buf |\r
- =========== +==================+ <=============== PLMR.Limit\r
+ =========== +==================+ <=============== PLMR.Limit (+ alignment)\r
| PEI allocated |\r
| -------------- | <------- EfiFreeMemoryTop\r
| * PEI FREE * |\r
\r
@retval EFI_SUCCESS The requested memory pages were allocated.\r
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are\r
- MEMORY_WRITE_COMBINE and MEMORY_CACHED.\r
+ MEMORY_WRITE_COMBINE, MEMORY_CACHED and DUAL_ADDRESS_CYCLE.\r
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.\r
\r
(VOID *) &mIoMmuPpi\r
};\r
\r
-#define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r
- EFI_RESOURCE_ATTRIBUTE_TESTED | \\r
- EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r
- EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r
- EFI_RESOURCE_ATTRIBUTE_64_BIT_IO \\r
- )\r
-\r
-#define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_TESTED)\r
-\r
-#define INITIALIZED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED)\r
-\r
-#define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)\r
-\r
-GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *mResourceTypeShortName[] = {\r
- "Mem",\r
- "MMIO",\r
- "I/O",\r
- "FD",\r
- "MM Port I/O",\r
- "Reserved Mem",\r
- "Reserved I/O",\r
-};\r
-\r
-/**\r
- Return the short name of resource type.\r
-\r
- @param Type resource type.\r
-\r
- @return the short name of resource type.\r
-**/\r
-CHAR8 *\r
-ShortNameOfResourceType (\r
- IN UINT32 Type\r
- )\r
-{\r
- if (Type < sizeof(mResourceTypeShortName) / sizeof(mResourceTypeShortName[0])) {\r
- return mResourceTypeShortName[Type];\r
- } else {\r
- return "Unknown";\r
- }\r
-}\r
-\r
-/**\r
- Dump resource hob.\r
-\r
- @param HobList the HOB list.\r
-**/\r
-VOID\r
-DumpResourceHob (\r
- IN VOID *HobList\r
- )\r
-{\r
- EFI_PEI_HOB_POINTERS Hob;\r
- EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r
-\r
- DEBUG ((DEBUG_VERBOSE, "Resource Descriptor HOBs\n"));\r
- for (Hob.Raw = HobList; !END_OF_HOB_LIST (Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {\r
- if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
- ResourceHob = Hob.ResourceDescriptor;\r
- DEBUG ((DEBUG_VERBOSE,\r
- " BA=%016lx L=%016lx Attr=%08x ",\r
- ResourceHob->PhysicalStart,\r
- ResourceHob->ResourceLength,\r
- ResourceHob->ResourceAttribute\r
- ));\r
- DEBUG ((DEBUG_VERBOSE, ShortNameOfResourceType(ResourceHob->ResourceType)));\r
- switch (ResourceHob->ResourceType) {\r
- case EFI_RESOURCE_SYSTEM_MEMORY:\r
- if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) != 0) {\r
- DEBUG ((DEBUG_VERBOSE, " (Persistent)"));\r
- } else if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) != 0) {\r
- DEBUG ((DEBUG_VERBOSE, " (MoreReliable)"));\r
- } else if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r
- DEBUG ((DEBUG_VERBOSE, " (Tested)"));\r
- } else if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r
- DEBUG ((DEBUG_VERBOSE, " (Init)"));\r
- } else if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r
- DEBUG ((DEBUG_VERBOSE, " (Present)"));\r
- } else {\r
- DEBUG ((DEBUG_VERBOSE, " (Unknown)"));\r
- }\r
- break;\r
- default:\r
- break;\r
- }\r
- DEBUG ((DEBUG_VERBOSE, "\n"));\r
- }\r
- }\r
-}\r
-\r
-/**\r
- Dump PHIT hob.\r
-\r
- @param HobList the HOB list.\r
-**/\r
-VOID\r
-DumpPhitHob (\r
- IN VOID *HobList\r
- )\r
-{\r
- EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r
-\r
- PhitHob = HobList;\r
- ASSERT(GET_HOB_TYPE(HobList) == EFI_HOB_TYPE_HANDOFF);\r
- DEBUG ((DEBUG_VERBOSE, "PHIT HOB\n"));\r
- DEBUG ((DEBUG_VERBOSE, " PhitHob - 0x%x\n", PhitHob));\r
- DEBUG ((DEBUG_VERBOSE, " BootMode - 0x%x\n", PhitHob->BootMode));\r
- DEBUG ((DEBUG_VERBOSE, " EfiMemoryTop - 0x%016lx\n", PhitHob->EfiMemoryTop));\r
- DEBUG ((DEBUG_VERBOSE, " EfiMemoryBottom - 0x%016lx\n", PhitHob->EfiMemoryBottom));\r
- DEBUG ((DEBUG_VERBOSE, " EfiFreeMemoryTop - 0x%016lx\n", PhitHob->EfiFreeMemoryTop));\r
- DEBUG ((DEBUG_VERBOSE, " EfiFreeMemoryBottom - 0x%016lx\n", PhitHob->EfiFreeMemoryBottom));\r
- DEBUG ((DEBUG_VERBOSE, " EfiEndOfHobList - 0x%lx\n", PhitHob->EfiEndOfHobList));\r
-}\r
-\r
-/**\r
- Get the highest memory.\r
-\r
- @return the highest memory.\r
-**/\r
-UINT64\r
-GetTopMemory (\r
- VOID\r
- )\r
-{\r
- VOID *HobList;\r
- EFI_PEI_HOB_POINTERS Hob;\r
- EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r
- UINT64 TopMemory;\r
- UINT64 ResourceTop;\r
-\r
- HobList = GetHobList ();\r
-\r
- TopMemory = 0;\r
- for (Hob.Raw = HobList; !END_OF_HOB_LIST (Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {\r
- if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
- ResourceHob = Hob.ResourceDescriptor;\r
- switch (ResourceHob->ResourceType) {\r
- case EFI_RESOURCE_SYSTEM_MEMORY:\r
- ResourceTop = ResourceHob->PhysicalStart + ResourceHob->ResourceLength;\r
- if (TopMemory < ResourceTop) {\r
- TopMemory = ResourceTop;\r
- }\r
- break;\r
- default:\r
- break;\r
- }\r
- DEBUG ((DEBUG_VERBOSE, "\n"));\r
- }\r
- }\r
- return TopMemory;\r
-}\r
-\r
/**\r
Initialize DMA protection.\r
\r
)\r
{\r
EFI_STATUS Status;\r
- VOID *HobList;\r
- EFI_HOB_HANDOFF_INFO_TABLE *PhitHob;\r
UINT32 LowMemoryAlignment;\r
UINT64 HighMemoryAlignment;\r
UINTN MemoryAlignment;\r
UINTN HighBottom;\r
UINT64 HighTop;\r
\r
- HobList = GetHobList ();\r
- DumpPhitHob (HobList);\r
- DumpResourceHob (HobList);\r
-\r
- PhitHob = HobList;\r
-\r
- ASSERT (PhitHob->EfiMemoryBottom < PhitHob->EfiMemoryTop);\r
-\r
LowMemoryAlignment = GetLowMemoryAlignment (VTdInfo, VTdInfo->EngineMask);\r
HighMemoryAlignment = GetHighMemoryAlignment (VTdInfo, VTdInfo->EngineMask);\r
if (LowMemoryAlignment < HighMemoryAlignment) {\r
LowBottom = 0;\r
LowTop = *DmaBufferBase;\r
HighBottom = *DmaBufferBase + DmaBufferSize;\r
- HighTop = GetTopMemory ();\r
+ HighTop = LShiftU64 (1, VTdInfo->HostAddressWidth + 1);\r
\r
Status = SetDmaProtectedRange (\r
VTdInfo,\r
LowBottom = 0;\r
LowTop = 0;\r
HighBottom = 0;\r
- HighTop = LShiftU64 (1, VTdInfo->HostAddressWidth);\r
+ HighTop = LShiftU64 (1, VTdInfo->HostAddressWidth + 1);\r
\r
Status = SetDmaProtectedRange (\r
VTdInfo,\r
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