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author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-02-02 22:35:30 +0000 |
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committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-02-02 22:35:30 +0000 |
commit | 1bfda055dfbc52678655ab2ded721f9f7c0cd496 (patch) | |
tree | fbfa3654ec28d060955ff37e9e9365ad37179013 /ArmPkg/Library/BdsLib/BdsHelper.c | |
parent | 7373d15a98fb571bf56688676c8ba950e6f62b8d (diff) | |
download | edk2-platforms-1bfda055dfbc52678655ab2ded721f9f7c0cd496.tar.xz |
Sync up ArmPkg with patch from mailing list. Changed name of BdsLib.h to BdsUnixLib.h and fixed a lot of issues with Xcode building.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11293 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/Library/BdsLib/BdsHelper.c')
-rw-r--r-- | ArmPkg/Library/BdsLib/BdsHelper.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/ArmPkg/Library/BdsLib/BdsHelper.c b/ArmPkg/Library/BdsLib/BdsHelper.c new file mode 100644 index 0000000000..896ae73820 --- /dev/null +++ b/ArmPkg/Library/BdsLib/BdsHelper.c @@ -0,0 +1,183 @@ +/** @file
+*
+* Copyright (c) 2011, ARM Limited. All rights reserved.
+*
+* This program and the accompanying materials
+* are licensed and made available under the terms and conditions of the BSD License
+* which accompanies this distribution. The full text of the license may be found at
+* http://opensource.org/licenses/bsd-license.php
+*
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#include "BdsInternal.h"
+
+#include <Library/DxeServicesTableLib.h>
+#include <Library/HobLib.h>
+
+EFI_STATUS
+ShutdownUefiBootServices( VOID )
+{
+ EFI_STATUS Status;
+ UINTN MemoryMapSize;
+ EFI_MEMORY_DESCRIPTOR *MemoryMap;
+ UINTN MapKey;
+ UINTN DescriptorSize;
+ UINT32 DescriptorVersion;
+ UINTN Pages;
+
+ MemoryMap = NULL;
+ MemoryMapSize = 0;
+ do {
+ Status = gBS->GetMemoryMap (
+ &MemoryMapSize,
+ MemoryMap,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion
+ );
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+
+ Pages = EFI_SIZE_TO_PAGES (MemoryMapSize) + 1;
+ MemoryMap = AllocatePages (Pages);
+
+ //
+ // Get System MemoryMap
+ //
+ Status = gBS->GetMemoryMap (
+ &MemoryMapSize,
+ MemoryMap,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion
+ );
+ // Don't do anything between the GetMemoryMap() and ExitBootServices()
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->ExitBootServices (gImageHandle, MapKey);
+ if (EFI_ERROR (Status)) {
+ FreePages (MemoryMap, Pages);
+ MemoryMap = NULL;
+ MemoryMapSize = 0;
+ }
+ }
+ }
+ } while (EFI_ERROR (Status));
+
+ return Status;
+}
+
+EFI_STATUS
+BdsConnectAllDrivers( VOID ) {
+ UINTN HandleCount, Index;
+ EFI_HANDLE *HandleBuffer;
+ EFI_STATUS Status;
+
+ do {
+ // Locate all the driver handles
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+
+ // Connect every handles
+ for (Index = 0; Index < HandleCount; Index++) {
+ gBS->ConnectController(HandleBuffer[Index], NULL, NULL, TRUE);
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool (HandleBuffer);
+ }
+
+ // Check if new handles have been created after the start of the previous handles
+ Status = gDS->Dispatch ();
+ } while (!EFI_ERROR(Status));
+
+ return EFI_SUCCESS;
+}
+
+STATIC EFI_STATUS InsertSystemMemoryResources(LIST_ENTRY *ResourceList, EFI_HOB_RESOURCE_DESCRIPTOR *ResHob) {
+ BDS_SYSTEM_MEMORY_RESOURCE NewResource;
+ LIST_ENTRY *Link;
+ BDS_SYSTEM_MEMORY_RESOURCE *Resource;
+
+ //DEBUG ((EFI_D_ERROR, "** InsertSystemMemoryResources(0x%X,0x%X)\n",(UINT32)ResHob->PhysicalStart,(UINT32)ResHob->ResourceLength));
+
+ if (IsListEmpty (ResourceList)) {
+ ZeroMem(&NewResource,sizeof(BDS_SYSTEM_MEMORY_RESOURCE));
+ NewResource.PhysicalStart = ResHob->PhysicalStart;
+ NewResource.ResourceLength = ResHob->ResourceLength;
+ InsertTailList (ResourceList, &NewResource.Link);
+ return EFI_SUCCESS;
+ }
+
+ //for (Link = GetFirstNode (ResourceList); !IsNull (ResourceList,Link); Link = GetNextNode (ResourceList,Link)) {
+ Link = ResourceList->ForwardLink;
+ while (Link != NULL && Link != ResourceList) {
+ Resource = (BDS_SYSTEM_MEMORY_RESOURCE*)Link;
+ //DEBUG ((EFI_D_ERROR, " - (0x%X,0x%X)\n",(UINT32)Resource->PhysicalStart,(UINT32)Resource->ResourceLength));
+
+ // Sanity Check. The resources should not overlapped.
+ ASSERT(!((ResHob->PhysicalStart >= Resource->PhysicalStart) && (ResHob->PhysicalStart < (Resource->PhysicalStart + Resource->ResourceLength))));
+ ASSERT(!((ResHob->PhysicalStart + ResHob->ResourceLength >= Resource->PhysicalStart) &&
+ ((ResHob->PhysicalStart + ResHob->ResourceLength) < (Resource->PhysicalStart + Resource->ResourceLength))));
+
+ // The new resource is attached after this resource descriptor
+ if (ResHob->PhysicalStart == Resource->PhysicalStart + Resource->ResourceLength) {
+ Resource->ResourceLength = Resource->ResourceLength + ResHob->ResourceLength;
+ //DEBUG ((EFI_D_ERROR, "** Attached new Length:0x%X\n",(UINT32)Resource->ResourceLength));
+ return EFI_SUCCESS;
+ }
+ // The new resource is attached before this resource descriptor
+ else if (ResHob->PhysicalStart + ResHob->ResourceLength == Resource->PhysicalStart) {
+ Resource->PhysicalStart = ResHob->PhysicalStart;
+ Resource->ResourceLength = Resource->ResourceLength + ResHob->ResourceLength;
+ //DEBUG ((EFI_D_ERROR, "** Attached2 new Length:0x%X\n",(UINT32)Resource->ResourceLength));
+ return EFI_SUCCESS;
+ }
+ Link = Link->ForwardLink;
+ }
+
+ // None of the Resource of the list is attached to this ResHob. Create a new entry for it
+ ZeroMem(&NewResource,sizeof(BDS_SYSTEM_MEMORY_RESOURCE));
+ NewResource.PhysicalStart = ResHob->PhysicalStart;
+ NewResource.ResourceLength = ResHob->ResourceLength;
+ InsertTailList (ResourceList, &NewResource.Link);
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS GetSystemMemoryResources(LIST_ENTRY *ResourceList) {
+ EFI_HOB_RESOURCE_DESCRIPTOR *ResHob;
+
+ InitializeListHead (ResourceList);
+
+ // Find the first System Memory Resource Descriptor
+ ResHob = (EFI_HOB_RESOURCE_DESCRIPTOR *)GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);
+ while ((ResHob != NULL) && (ResHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY)) {
+ ResHob = (EFI_HOB_RESOURCE_DESCRIPTOR *)GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR,(VOID *)((UINTN)ResHob + ResHob->Header.HobLength));
+ }
+
+ // Did not find any
+ if (ResHob == NULL) {
+ return EFI_NOT_FOUND;
+ } else {
+ InsertSystemMemoryResources(ResourceList, ResHob);
+ }
+
+ ResHob = (EFI_HOB_RESOURCE_DESCRIPTOR *)GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR,(VOID *)((UINTN)ResHob + ResHob->Header.HobLength));
+ while (ResHob != NULL) {
+ if (ResHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
+ InsertSystemMemoryResources(ResourceList, ResHob);
+ }
+ ResHob = (EFI_HOB_RESOURCE_DESCRIPTOR *)GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR,(VOID *)((UINTN)ResHob + ResHob->Header.HobLength));
+ }
+
+ return EFI_SUCCESS;
+}
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