diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-03-31 11:32:36 +0100 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@linaro.org> | 2018-02-05 17:56:43 +0800 |
| commit | 915489d127626207cd8d4d5140af7b5fed46c5ad (patch) | |
| tree | a539b6ef9638c7803bab3be14bee75e82b1be9d1 | |
| parent | 278ba928bf4aaefedff2ed54d0862ac77c69339e (diff) | |
| download | edk2-915489d127626207cd8d4d5140af7b5fed46c5ad.tar.gz | |
EmbeddedPkg: add DtPlatformDtbLoaderLib library class
To abstract the way a platform reasons about which DTB is appropriate,
and the way it ultimately supplies the DTB image, introduce a new library
class to encapsulate this functionality.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
| -rw-r--r-- | EmbeddedPkg/EmbeddedPkg.dec | 1 | ||||
| -rw-r--r-- | EmbeddedPkg/Include/Library/DtPlatformDtbLoaderLib.h | 39 |
2 files changed, 40 insertions, 0 deletions
diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec index fa6ff2177..c4798b977 100644 --- a/EmbeddedPkg/EmbeddedPkg.dec +++ b/EmbeddedPkg/EmbeddedPkg.dec @@ -45,6 +45,7 @@ GdbSerialLib|Include/Library/GdbSerialLib.h
DebugAgentTimerLib|Include/Library/DebugAgentTimerLib.h
+ DtPlatformDtbLoaderLib|Include/Library/DtPlatformDtbLoaderLib.h
[Guids.common]
gEmbeddedTokenSpaceGuid = { 0xe0d8ca17, 0x4276, 0x4386, { 0xbb, 0x79, 0x48, 0xcb, 0x81, 0x3d, 0x3c, 0x4f }}
diff --git a/EmbeddedPkg/Include/Library/DtPlatformDtbLoaderLib.h b/EmbeddedPkg/Include/Library/DtPlatformDtbLoaderLib.h new file mode 100644 index 000000000..b2fbf4acb --- /dev/null +++ b/EmbeddedPkg/Include/Library/DtPlatformDtbLoaderLib.h @@ -0,0 +1,39 @@ +/** @file
+*
+* Copyright (c) 2017, Linaro, Ltd. 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.
+*
+**/
+
+#ifndef __DT_PLATFORM_DTB_LOADER_LIB_H__
+#define __DT_PLATFORM_DTB_LOADER_LIB_H__
+
+#include <Uefi/UefiBaseType.h>
+
+/**
+ Return a pool allocated copy of the DTB image that is appropriate for
+ booting the current platform via DT.
+
+ @param[out] Dtb Pointer to the DTB copy
+ @param[out] DtbSize Size of the DTB copy
+
+ @retval EFI_SUCCESS Operation completed successfully
+ @retval EFI_NOT_FOUND No suitable DTB image could be located
+ @retval EFI_OUT_OF_RESOURCES No pool memory available
+
+**/
+EFI_STATUS
+EFIAPI
+DtPlatformLoadDtb (
+ OUT VOID **Dtb,
+ OUT UINTN *DtbSize
+ );
+
+#endif
|