* Copyright (c) 2013, ARM Limited. All rights reserved.\r
* Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
*\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
+* SPDX-License-Identifier: BSD-2-Clause-Patent\r
*\r
**/\r
\r
**/\r
EFI_STATUS\r
SearchGcdMemorySpaces (\r
- IN EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap,\r
- IN UINTN NumberOfDescriptors,\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length,\r
- OUT UINTN *StartIndex,\r
- OUT UINTN *EndIndex\r
+ IN EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap,\r
+ IN UINTN NumberOfDescriptors,\r
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
+ IN UINT64 Length,\r
+ OUT UINTN *StartIndex,\r
+ OUT UINTN *EndIndex\r
)\r
{\r
- UINTN Index;\r
+ UINTN Index;\r
\r
*StartIndex = 0;\r
*EndIndex = 0;\r
for (Index = 0; Index < NumberOfDescriptors; Index++) {\r
if ((BaseAddress >= MemorySpaceMap[Index].BaseAddress) &&\r
- (BaseAddress < (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length))) {\r
+ (BaseAddress < (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length)))\r
+ {\r
*StartIndex = Index;\r
}\r
+\r
if (((BaseAddress + Length - 1) >= MemorySpaceMap[Index].BaseAddress) &&\r
- ((BaseAddress + Length - 1) < (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length))) {\r
+ ((BaseAddress + Length - 1) < (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length)))\r
+ {\r
*EndIndex = Index;\r
return EFI_SUCCESS;\r
}\r
}\r
+\r
return EFI_NOT_FOUND;\r
}\r
\r
-\r
/**\r
Sets the attributes for a specified range in Gcd Memory Space Map.\r
\r
**/\r
EFI_STATUS\r
SetGcdMemorySpaceAttributes (\r
- IN EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap,\r
- IN UINTN NumberOfDescriptors,\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length,\r
- IN UINT64 Attributes\r
+ IN EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap,\r
+ IN UINTN NumberOfDescriptors,\r
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
+ IN UINT64 Length,\r
+ IN UINT64 Attributes\r
)\r
{\r
EFI_STATUS Status;\r
EFI_PHYSICAL_ADDRESS RegionStart;\r
UINT64 RegionLength;\r
\r
- DEBUG ((DEBUG_GCD, "SetGcdMemorySpaceAttributes[0x%lX; 0x%lX] = 0x%lX\n",\r
- BaseAddress, BaseAddress + Length, Attributes));\r
+ DEBUG ((\r
+ DEBUG_GCD,\r
+ "SetGcdMemorySpaceAttributes[0x%lX; 0x%lX] = 0x%lX\n",\r
+ BaseAddress,\r
+ BaseAddress + Length,\r
+ Attributes\r
+ ));\r
\r
// We do not support a smaller granularity than 4KB on ARM Architecture\r
if ((Length & EFI_PAGE_MASK) != 0) {\r
- DEBUG ((DEBUG_WARN,\r
- "Warning: We do not support smaller granularity than 4KB on ARM Architecture (passed length: 0x%lX).\n",\r
- Length));\r
+ DEBUG ((\r
+ DEBUG_WARN,\r
+ "Warning: We do not support smaller granularity than 4KB on ARM Architecture (passed length: 0x%lX).\n",\r
+ Length\r
+ ));\r
}\r
\r
//\r
if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeNonExistent) {\r
continue;\r
}\r
+\r
//\r
// Calculate the start and end address of the overlapping range\r
//\r
} else {\r
RegionStart = MemorySpaceMap[Index].BaseAddress;\r
}\r
+\r
if ((BaseAddress + Length - 1) < (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length)) {\r
RegionLength = BaseAddress + Length - RegionStart;\r
} else {\r
RegionLength = MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - RegionStart;\r
}\r
+\r
//\r
// Set memory attributes according to MTRR attribute and the original attribute of descriptor\r
//\r
EFI_STATUS\r
EFIAPI\r
CpuSetMemoryAttributes (\r
- IN EFI_CPU_ARCH_PROTOCOL *This,\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length,\r
- IN UINT64 EfiAttributes\r
+ IN EFI_CPU_ARCH_PROTOCOL *This,\r
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
+ IN UINT64 Length,\r
+ IN UINT64 EfiAttributes\r
)\r
{\r
EFI_STATUS Status;\r
UINTN RegionLength;\r
UINTN RegionArmAttributes;\r
\r
+ if (mIsFlushingGCD) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
if ((BaseAddress & (SIZE_4KB - 1)) != 0) {\r
// Minimum granularity is SIZE_4KB (4KB on ARM)\r
- DEBUG ((EFI_D_PAGE, "CpuSetMemoryAttributes(%lx, %lx, %lx): Minimum ganularity is SIZE_4KB\n", BaseAddress, Length, EfiAttributes));\r
+ DEBUG ((DEBUG_PAGE, "CpuSetMemoryAttributes(%lx, %lx, %lx): Minimum granularity is SIZE_4KB\n", BaseAddress, Length, EfiAttributes));\r
return EFI_UNSUPPORTED;\r
}\r
\r
\r
// Get the region starting from 'BaseAddress' and its 'Attribute'\r
RegionBaseAddress = BaseAddress;\r
- Status = GetMemoryRegion (&RegionBaseAddress, &RegionLength, &RegionArmAttributes);\r
+ Status = GetMemoryRegion (&RegionBaseAddress, &RegionLength, &RegionArmAttributes);\r
\r
// Data & Instruction Caches are flushed when we set new memory attributes.\r
// So, we only set the attributes if the new region is different.\r
if (EFI_ERROR (Status) || (RegionArmAttributes != ArmAttributes) ||\r
((BaseAddress + Length) > (RegionBaseAddress + RegionLength)))\r
{\r
- return SetMemoryAttributes (BaseAddress, Length, EfiAttributes, 0);\r
+ return ArmSetMemoryAttributes (BaseAddress, Length, EfiAttributes);\r
} else {\r
return EFI_SUCCESS;\r
}\r
}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-CpuConvertPagesToUncachedVirtualAddress (\r
- IN VIRTUAL_UNCACHED_PAGES_PROTOCOL *This,\r
- IN EFI_PHYSICAL_ADDRESS Address,\r
- IN UINTN Length,\r
- IN EFI_PHYSICAL_ADDRESS VirtualMask,\r
- OUT UINT64 *Attributes OPTIONAL\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_GCD_MEMORY_SPACE_DESCRIPTOR GcdDescriptor;\r
-\r
- if (Attributes != NULL) {\r
- Status = gDS->GetMemorySpaceDescriptor (Address, &GcdDescriptor);\r
- if (!EFI_ERROR (Status)) {\r
- *Attributes = GcdDescriptor.Attributes;\r
- }\r
- }\r
-\r
- //\r
- // Make this address range page fault if accessed. If it is a DMA buffer than this would\r
- // be the PCI address. Code should always use the CPU address, and we will or in VirtualMask\r
- // to that address.\r
- //\r
- Status = SetMemoryAttributes (Address, Length, EFI_MEMORY_RO, 0);\r
- if (!EFI_ERROR (Status)) {\r
- Status = SetMemoryAttributes (Address | VirtualMask, Length, EFI_MEMORY_UC, VirtualMask);\r
- }\r
-\r
- DEBUG ((DEBUG_INFO | DEBUG_LOAD, "CpuConvertPagesToUncachedVirtualAddress()\n Unmapped 0x%08lx Mapped 0x%08lx 0x%x bytes\n", Address, Address | VirtualMask, Length));\r
-\r
- return Status;\r
-}\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-CpuReconvertPages (\r
- IN VIRTUAL_UNCACHED_PAGES_PROTOCOL *This,\r
- IN EFI_PHYSICAL_ADDRESS Address,\r
- IN UINTN Length,\r
- IN EFI_PHYSICAL_ADDRESS VirtualMask,\r
- IN UINT64 Attributes\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- DEBUG ((DEBUG_INFO | DEBUG_LOAD, "CpuReconvertPages(%lx, %x, %lx, %lx)\n", Address, Length, VirtualMask, Attributes));\r
-\r
- //\r
- // Unmap the aliased Address\r
- //\r
- Status = SetMemoryAttributes (Address | VirtualMask, Length, EFI_MEMORY_RO, 0);\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Restore atttributes\r
- //\r
- Status = SetMemoryAttributes (Address, Length, Attributes, 0);\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-\r
-VIRTUAL_UNCACHED_PAGES_PROTOCOL gVirtualUncachedPages = {\r
- CpuConvertPagesToUncachedVirtualAddress,\r
- CpuReconvertPages\r
-};\r
projects / mirror_edk2.git / blobdiff