diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/EfiLibAllocate.c')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/EfiLibAllocate.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/EfiLibAllocate.c b/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/EfiLibAllocate.c new file mode 100644 index 0000000000..6558e3da0e --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/EfiLibAllocate.c @@ -0,0 +1,233 @@ +/*++
+
+Copyright (c) 2004 - 2007, Intel Corporation
+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.
+
+Module Name:
+
+ EfiLibAllocate.c
+
+Abstract:
+
+ Support routines for memory allocation routines for use with drivers.
+
+--*/
+
+#include "Tiano.h"
+#include "EfiDriverLib.h"
+
+VOID *
+EfiLibAllocatePool (
+ IN UINTN AllocationSize
+ )
+/*++
+
+Routine Description:
+
+ Allocate BootServicesData pool.
+
+Arguments:
+
+ AllocationSize - The size to allocate
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ VOID *Memory;
+
+ Memory = NULL;
+ gBS->AllocatePool (EfiBootServicesData, AllocationSize, &Memory);
+ return Memory;
+}
+
+VOID *
+EfiLibAllocateRuntimePool (
+ IN UINTN AllocationSize
+ )
+/*++
+
+Routine Description:
+
+ Allocate RuntimeServicesData pool.
+
+Arguments:
+
+ AllocationSize - The size to allocate
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ VOID *Memory;
+
+ Memory = NULL;
+ gBS->AllocatePool (EfiRuntimeServicesData, AllocationSize, &Memory);
+ return Memory;
+}
+
+VOID *
+EfiLibAllocateZeroPool (
+ IN UINTN AllocationSize
+ )
+/*++
+
+Routine Description:
+
+ Allocate BootServicesData pool and zero it.
+
+Arguments:
+
+ AllocationSize - The size to allocate
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ VOID *Memory;
+
+ Memory = EfiLibAllocatePool (AllocationSize);
+ if (Memory != NULL) {
+ gBS->SetMem (Memory, AllocationSize, 0);
+ }
+
+ return Memory;
+}
+
+VOID *
+EfiLibAllocateRuntimeZeroPool (
+ IN UINTN AllocationSize
+ )
+/*++
+
+Routine Description:
+
+ Allocate RuntimeServicesData pool and zero it.
+
+Arguments:
+
+ AllocationSize - The size to allocate
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ VOID *Memory;
+
+ Memory = EfiLibAllocateRuntimePool (AllocationSize);
+ if (Memory != NULL) {
+ gBS->SetMem (Memory, AllocationSize, 0);
+ }
+
+ return Memory;
+}
+
+VOID *
+EfiLibAllocateCopyPool (
+ IN UINTN AllocationSize,
+ IN VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Allocate BootServicesData pool and use a buffer provided by
+ caller to fill it.
+
+Arguments:
+
+ AllocationSize - The size to allocate
+
+ Buffer - Buffer that will be filled into the buffer allocated
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ VOID *Memory;
+
+ Memory = NULL;
+ gBS->AllocatePool (EfiBootServicesData, AllocationSize, &Memory);
+ if (Memory != NULL) {
+ gBS->CopyMem (Memory, Buffer, AllocationSize);
+ }
+
+ return Memory;
+}
+
+VOID *
+EfiLibAllocateRuntimeCopyPool (
+ IN UINTN AllocationSize,
+ IN VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Allocate RuntimeServicesData pool and use a buffer provided by
+ caller to fill it.
+
+Arguments:
+
+ AllocationSize - The size to allocate
+
+ Buffer - Buffer that will be filled into the buffer allocated
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ VOID *Memory;
+
+ Memory = NULL;
+ gBS->AllocatePool (EfiRuntimeServicesData, AllocationSize, &Memory);
+ if (Memory != NULL) {
+ gBS->CopyMem (Memory, Buffer, AllocationSize);
+ }
+
+ return Memory;
+}
+
+
+VOID
+EfiLibSafeFreePool (
+ IN VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Free pool safely (without setting back Buffer to NULL).
+
+Arguments:
+
+ Buffer - The allocated pool entry to free
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ if (Buffer != NULL) {
+ gBS->FreePool (Buffer);
+ }
+}
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