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| author | Jun Nie <jun.nie@linaro.org> | 2017-08-17 20:58:59 +0800 |
|---|---|---|
| committer | Leif Lindholm <leif.lindholm@linaro.org> | 2017-08-20 12:36:34 +0100 |
| commit | fa74dd2217aebe6930890e55d58d35e639b18c2e (patch) | |
| tree | d9401bd48e1cdffb4cba9b996c0047903411c5a4 /EmbeddedPkg/Application | |
| parent | ce13d2d8c81f0ba77ac15d1e9a395ef1b8e57a82 (diff) | |
| download | edk2-fa74dd2217aebe6930890e55d58d35e639b18c2e.tar.gz edk2-fa74dd2217aebe6930890e55d58d35e639b18c2e.tar.bz2 edk2-fa74dd2217aebe6930890e55d58d35e639b18c2e.zip | |
EmbeddedPkg/AndroidBoot: boot android kernel from storage
Add an android kernel loader that could load kernel from storage
device.
This android boot image BDS add addtitional cmdline/dtb/ramfs
support besides kernel that is introduced by Android boot header.
This patch is derived from Haojian's code as below link.
https://patches.linaro.org/patch/94683/
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Diffstat (limited to 'EmbeddedPkg/Application')
| -rw-r--r-- | EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c | 140 | ||||
| -rw-r--r-- | EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf | 64 |
2 files changed, 204 insertions, 0 deletions
diff --git a/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c new file mode 100644 index 0000000000..977167da40 --- /dev/null +++ b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c @@ -0,0 +1,140 @@ +/** @file
+
+ Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2017, Linaro. 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 <Library/AndroidBootImgLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/BdsLib.h>
+#include <Library/DebugLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#include <Protocol/BlockIo.h>
+#include <Protocol/DevicePathFromText.h>
+
+/* Validate the node is media hard drive type */
+EFI_STATUS
+ValidateAndroidMediaDevicePath (
+ IN EFI_DEVICE_PATH *DevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Node, *NextNode;
+
+ NextNode = DevicePath;
+ while (NextNode != NULL) {
+ Node = NextNode;
+ if (IS_DEVICE_PATH_NODE (Node, MEDIA_DEVICE_PATH, MEDIA_HARDDRIVE_DP)) {
+ return EFI_SUCCESS;
+ }
+ NextNode = NextDevicePathNode (Node);
+ }
+ return EFI_INVALID_PARAMETER;
+}
+
+EFI_STATUS
+EFIAPI
+AndroidBootAppEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ CHAR16 *BootPathStr;
+ EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;
+ EFI_DEVICE_PATH *DevicePath;
+ EFI_BLOCK_IO_PROTOCOL *BlockIo;
+ UINT32 MediaId, BlockSize;
+ VOID *Buffer;
+ EFI_HANDLE Handle;
+ UINTN BootImgSize;
+
+ BootPathStr = (CHAR16 *)PcdGetPtr (PcdAndroidBootDevicePath);
+ ASSERT (BootPathStr != NULL);
+ Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL,
+ (VOID **)&EfiDevicePathFromTextProtocol);
+ ASSERT_EFI_ERROR(Status);
+ DevicePath = (EFI_DEVICE_PATH *)EfiDevicePathFromTextProtocol->ConvertTextToDevicePath (BootPathStr);
+ ASSERT (DevicePath != NULL);
+
+ Status = ValidateAndroidMediaDevicePath (DevicePath);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid,
+ &DevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlockIo,
+ gImageHandle,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed to get BlockIo: %r\n", Status));
+ return Status;
+ }
+
+ MediaId = BlockIo->Media->MediaId;
+ BlockSize = BlockIo->Media->BlockSize;
+ Buffer = AllocatePages (EFI_SIZE_TO_PAGES (sizeof(ANDROID_BOOTIMG_HEADER)));
+ if (Buffer == NULL) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ /* Load header of boot.img */
+ Status = BlockIo->ReadBlocks (
+ BlockIo,
+ MediaId,
+ 0,
+ BlockSize,
+ Buffer
+ );
+ Status = AndroidBootImgGetImgSize (Buffer, &BootImgSize);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed to get AndroidBootImg Size: %r\n", Status));
+ return Status;
+ }
+ BootImgSize = ALIGN_VALUE (BootImgSize, BlockSize);
+ FreePages (Buffer, EFI_SIZE_TO_PAGES (sizeof(ANDROID_BOOTIMG_HEADER)));
+
+ /* Both PartitionStart and PartitionSize are counted as block size. */
+ Buffer = AllocatePages (EFI_SIZE_TO_PAGES (BootImgSize));
+ if (Buffer == NULL) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ /* Load header of boot.img */
+ Status = BlockIo->ReadBlocks (
+ BlockIo,
+ MediaId,
+ 0,
+ BootImgSize,
+ Buffer
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed to read blocks: %r\n", Status));
+ goto EXIT;
+ }
+
+ Status = AndroidBootImgBoot (Buffer, BootImgSize);
+
+EXIT:
+ return Status;
+}
diff --git a/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf new file mode 100644 index 0000000000..f1ee0bdc82 --- /dev/null +++ b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf @@ -0,0 +1,64 @@ +#/** @file
+#
+# Copyright (c) 2013-2015, ARM Ltd. All rights reserved.<BR>
+# Copyright (c) 2017, Linaro. 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.
+#
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010019
+ BASE_NAME = AndroidBootApp
+ FILE_GUID = 3a738b36-b9c5-4763-abbd-6cbd4b25f9ff
+ MODULE_TYPE = UEFI_APPLICATION
+ VERSION_STRING = 1.0
+ ENTRY_POINT = AndroidBootAppEntryPoint
+
+[Sources.common]
+ AndroidBootApp.c
+
+[LibraryClasses]
+ AndroidBootImgLib
+ BaseLib
+ BaseMemoryLib
+ BdsLib
+ DebugLib
+ DevicePathLib
+ DxeServicesTableLib
+ FdtLib
+ MemoryAllocationLib
+ PcdLib
+ PrintLib
+ UefiApplicationEntryPoint
+ UefiBootServicesTableLib
+ UefiLib
+ UefiRuntimeServicesTableLib
+
+[Protocols]
+ gAndroidFastbootPlatformProtocolGuid
+ gEfiBlockIoProtocolGuid
+ gEfiDevicePathFromTextProtocolGuid
+ gEfiSimpleTextOutProtocolGuid
+ gEfiSimpleTextInProtocolGuid
+
+[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+
+[Packages.ARM, Packages.AARCH64]
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+
+[Guids]
+ gFdtTableGuid
+
+[Pcd]
+ gEmbeddedTokenSpaceGuid.PcdAndroidBootDevicePath
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