| Message ID | 1501579741-28866-3-git-send-email-jun.nie@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [edk2,v4,1/4] ArmPkg: Move IS_DEVICE_PATH_NODE for sharing | expand |
On Tue, Aug 01, 2017 at 05:29:00PM +0800, Jun Nie wrote: > Add an android kernel loader that could load kernel from storage > device. This patch is derived from Haojian's code as below link. > https://patches.linaro.org/patch/94683/ > > This android boot image BDS add addtitional cmdline/dtb/ramfs > support besides kernel that is introduced by Android boot header. This is nearly there - it's a big improvement, but a few more comments below. > Contributed-under: TianoCore Contribution Agreement 1.0 > Signed-off-by: Jun Nie <jun.nie@linaro.org> > --- > .../Application/AndroidBoot/AndroidBootApp.c | 140 +++++++ > .../Application/AndroidBoot/AndroidBootApp.inf | 64 +++ > EmbeddedPkg/Include/Library/AndroidBootImgLib.h | 17 + > EmbeddedPkg/Include/Protocol/AndroidBootImg.h | 47 +++ > .../Library/AndroidBootImgLib/AndroidBootImgLib.c | 444 +++++++++++++++++++++ > .../AndroidBootImgLib/AndroidBootImgLib.inf | 48 +++ > 6 files changed, 760 insertions(+) > create mode 100644 EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c > create mode 100644 EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf > create mode 100644 EmbeddedPkg/Include/Protocol/AndroidBootImg.h > create mode 100644 EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c > create mode 100644 EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf > > diff --git a/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c > new file mode 100644 > index 0000000..5069819 > --- /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 ((EFI_D_ERROR, "Failed to get BlockIo: %r\n", Status)); BaseTools/Scripts/PatchCheck.py warns about this and other occurrences of EFI_D_*: * EFI_D_ERROR was used, but DEBUG_ERROR is now recommended Can you update all occurrences of this on added or modified lines to DEBUG_*? > + 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 ((EFI_D_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 ((EFI_D_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 0000000..f1ee0bd > --- /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 > diff --git a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h > index 8116c7c..29fb3f2 100644 > --- a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h > +++ b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h > @@ -47,4 +47,21 @@ typedef struct { > > /* Check Val (unsigned) is a power of 2 (has only one bit set) */ > #define IS_POWER_OF_2(Val) ((Val) != 0 && (((Val) & ((Val) - 1)) == 0)) > +/* Android boot image page size is not specified, but it should be power of 2 > + * and larger than boot header */ > +#define IS_VALID_ANDROID_PAGE_SIZE(Val) \ > + (IS_POWER_OF_2(Val) && (Val > sizeof(ANDROID_BOOTIMG_HEADER))) > + > +EFI_STATUS > +AndroidBootImgGetImgSize ( > + IN VOID *BootImg, > + OUT UINTN *ImgSize > + ); > + > +EFI_STATUS > +AndroidBootImgBoot ( > + IN VOID *Buffer, > + IN UINTN BufferSize > + ); > + > #endif /* __ABOOTIMG_H__ */ > diff --git a/EmbeddedPkg/Include/Protocol/AndroidBootImg.h b/EmbeddedPkg/Include/Protocol/AndroidBootImg.h > new file mode 100644 > index 0000000..1c458d0 > --- /dev/null > +++ b/EmbeddedPkg/Include/Protocol/AndroidBootImg.h > @@ -0,0 +1,47 @@ > +/** @file > + > + Copyright (c) 2017, Linaro. All rights reserved.<BR> > + > + 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 __ANDROID_BOOTIMG_PROTOCOL_H__ > +#define __ANDROID_BOOTIMG_PROTOCOL_H__ > + > +// > +// Protocol interface structure > +// > +typedef struct _ANDROID_BOOTIMG_PROTOCOL ANDROID_BOOTIMG_PROTOCOL; > + > +// > +// Function Prototypes > +// > +typedef > +EFI_STATUS > +(EFIAPI *ANDROID_BOOTIMG_APPEND_KERNEL_ARGS) ( > + IN CHAR16 *Args, > + IN UINTN Size > + ); > + > +typedef > +EFI_STATUS > +(EFIAPI *ANDROID_BOOTIMG_UPDATE_DTB) ( > + IN EFI_PHYSICAL_ADDRESS OrigDtbBase; > + OUT EFI_PHYSICAL_ADDRESS *NewDtbBase; > + ); > + > +struct _ANDROID_BOOTIMG_PROTOCOL { > + ANDROID_BOOTIMG_APPEND_KERNEL_ARGS AppendArgs; > + ANDROID_BOOTIMG_UPDATE_DTB UpdateDtb; > +}; > + > +extern EFI_GUID gAndroidBootImgProtocolGuid; > + > +#endif /* __ANDROID_BOOTIMG_PROTOCOL_H__ */ > diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c > new file mode 100644 > index 0000000..c33a164 > --- /dev/null > +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c > @@ -0,0 +1,444 @@ > +/** @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 <libfdt.h> > +#include <Library/AndroidBootImgLib.h> > +#include <Library/PrintLib.h> > +#include <Library/UefiBootServicesTableLib.h> > +#include <Library/UefiLib.h> > + > +#include <Protocol/AndroidBootImg.h> > +#include <Protocol/LoadedImage.h> > + > +#include <libfdt.h> > + > +#define FDT_ADDITIONAL_ENTRIES_SIZE 0x400 > + > +typedef struct { > + MEMMAP_DEVICE_PATH Node1; > + EFI_DEVICE_PATH_PROTOCOL End; > +} MEMORY_DEVICE_PATH; > + > +STATIC ANDROID_BOOTIMG_PROTOCOL *mAndroidBootImg; > + > +STATIC CONST MEMORY_DEVICE_PATH mMemoryDevicePathTemplate = > +{ > + { > + { > + HARDWARE_DEVICE_PATH, > + HW_MEMMAP_DP, > + { > + (UINT8)(sizeof (MEMMAP_DEVICE_PATH)), > + (UINT8)((sizeof (MEMMAP_DEVICE_PATH)) >> 8), > + }, > + }, // Header > + 0, // StartingAddress (set at runtime) > + 0 // EndingAddress (set at runtime) > + }, // Node1 > + { > + END_DEVICE_PATH_TYPE, > + END_ENTIRE_DEVICE_PATH_SUBTYPE, > + { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 } > + } // End > +}; > + > +EFI_STATUS > +AndroidBootImgGetImgSize ( > + IN VOID *BootImg, > + OUT UINTN *ImgSize > + ) > +{ > + ANDROID_BOOTIMG_HEADER *Header; > + > + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; > + > + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, > + ANDROID_BOOT_MAGIC_LENGTH) != 0) { > + return EFI_INVALID_PARAMETER; > + } > + > + /* The page size is not specified, but it should be power of 2 at least */ > + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); > + > + /* Get real size of abootimg */ > + *ImgSize = ALIGN_VALUE (Header->KernelSize, Header->PageSize) + > + ALIGN_VALUE (Header->RamdiskSize, Header->PageSize) + > + ALIGN_VALUE (Header->SecondStageBootloaderSize, Header->PageSize) + > + Header->PageSize; > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +AndroidBootImgGetKernelInfo ( > + IN VOID *BootImg, > + OUT VOID **Kernel, > + OUT UINTN *KernelSize > + ) > +{ > + ANDROID_BOOTIMG_HEADER *Header; > + > + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; > + > + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, > + ANDROID_BOOT_MAGIC_LENGTH) != 0) { > + return EFI_INVALID_PARAMETER; > + } > + > + if (Header->KernelSize == 0) { > + return EFI_NOT_FOUND; > + } > + > + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); > + > + *KernelSize = Header->KernelSize; > + *Kernel = BootImg + Header->PageSize; > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +AndroidBootImgGetRamdiskInfo ( > + IN VOID *BootImg, > + OUT VOID **Ramdisk, > + OUT UINTN *RamdiskSize > + ) > +{ > + ANDROID_BOOTIMG_HEADER *Header; > + UINT8 *BootImgBytePtr; > + > + // Cast to UINT8 so we can do pointer arithmetic > + BootImgBytePtr = (UINT8 *) BootImg; > + > + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; > + > + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, > + ANDROID_BOOT_MAGIC_LENGTH) != 0) { > + return EFI_INVALID_PARAMETER; > + } > + > + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); > + > + *RamdiskSize = Header->RamdiskSize; > + > + if (Header->RamdiskSize != 0) { > + *Ramdisk = (VOID *) (BootImgBytePtr > + + Header->PageSize > + + ALIGN_VALUE (Header->KernelSize, Header->PageSize)); > + } > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +AndroidBootImgGetSecondBootLoaderInfo ( > + IN VOID *BootImg, > + OUT VOID **Second, > + OUT UINTN *SecondSize > + ) > +{ > + ANDROID_BOOTIMG_HEADER *Header; > + UINT8 *BootImgBytePtr; > + > + // Cast to UINT8 so we can do pointer arithmetic > + BootImgBytePtr = (UINT8 *) BootImg; > + > + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; > + > + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, > + ANDROID_BOOT_MAGIC_LENGTH) != 0) { > + return EFI_INVALID_PARAMETER; > + } > + > + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); > + > + *SecondSize = Header->SecondStageBootloaderSize; > + > + if (Header->SecondStageBootloaderSize != 0) { > + *Second = (VOID *) (BootImgBytePtr > + + Header->PageSize > + + ALIGN_VALUE (Header->KernelSize, Header->PageSize) > + + ALIGN_VALUE (Header->RamdiskSize, Header->PageSize)); > + } > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +AndroidBootImgGetKernelArgs ( > + IN VOID *BootImg, > + OUT CHAR8 *KernelArgs > + ) > +{ > + ANDROID_BOOTIMG_HEADER *Header; > + > + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; > + AsciiStrnCpyS (KernelArgs, ANDROID_BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs, > + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); > + > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +AndroidBootImgGetFdt ( > + IN VOID *BootImg, > + IN VOID **FdtBase > + ) > +{ > + UINTN SecondLoaderSize; > + EFI_STATUS Status; > + > + /* Check whether FDT is located in second boot region as some vendor do so, > + * because second loader is never used as far as I know. */ > + Status = AndroidBootImgGetSecondBootLoaderInfo ( > + BootImg, > + FdtBase, > + &SecondLoaderSize > + ); > + return Status; > +} > + > +EFI_STATUS > +AndroidBootImgUpdateArgs ( > + IN VOID *BootImg, > + OUT VOID *KernelArgs > + ) > +{ > + CHAR8 ImageKernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE]; > + EFI_STATUS Status; > + > + // Get kernel arguments from Android boot image > + Status = AndroidBootImgGetKernelArgs (BootImg, ImageKernelArgs); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + AsciiStrToUnicodeStrS (ImageKernelArgs, KernelArgs, > + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE >> 1); > + // Append platform kernel arguments > + if(mAndroidBootImg->AppendArgs) { > + Status = mAndroidBootImg->AppendArgs (KernelArgs, > + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); > + } > + return Status; > +} > + > +EFI_STATUS > +AndroidBootImgLocateFdt ( > + IN VOID *BootImg, > + IN VOID **FdtBase > + ) > +{ > + INTN Err; > + EFI_STATUS Status; > + > + Status = EfiGetSystemConfigurationTable (&gFdtTableGuid, FdtBase); > + if (!EFI_ERROR (Status)) { > + return EFI_SUCCESS; > + } > + > + Status = AndroidBootImgGetFdt (BootImg, FdtBase); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + Err = fdt_check_header (*FdtBase); > + if (Err != 0) { > + DEBUG ((DEBUG_ERROR, "ERROR: Device Tree header not valid (Err:%d)\n", > + Err)); > + return EFI_INVALID_PARAMETER; > + } > + return EFI_SUCCESS; > +} > + > + > +EFI_STATUS > +AndroidBootImgUpdateFdt ( > + IN VOID *BootImg, > + IN VOID *FdtBase, > + IN VOID *RamdiskData, > + IN UINTN RamdiskSize > + ) > +{ > + INTN Err, NewFdtSize, ChosenNode; > + EFI_STATUS Status; > + EFI_PHYSICAL_ADDRESS UpdatedFdtBase, NewFdtBase; > + struct fdt_property *Property; > + UINT64 RamdiskStart, RamdiskEnd; > + int Len; > + > + NewFdtSize = (UINTN)fdt_totalsize (FdtBase) > + + FDT_ADDITIONAL_ENTRIES_SIZE; > + Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, > + EFI_SIZE_TO_PAGES (NewFdtSize), &UpdatedFdtBase); > + if (EFI_ERROR (Status)) { > + DEBUG ((EFI_D_WARN, "Warning: Failed to reallocate FDT, err %d.\n", > + Status)); > + return Status; > + } > + > + // Load the Original FDT tree into the new region > + Err = fdt_open_into(FdtBase, (VOID*)UpdatedFdtBase, NewFdtSize); > + if (Err) { > + DEBUG ((EFI_D_ERROR, "fdt_open_into(): %a\n", fdt_strerror (Err))); > + Status = EFI_INVALID_PARAMETER; > + goto Fdt_Exit; > + } > + Could we have some helper functions here?: GetChosenNode(UpdatedFdtBase). > + ChosenNode = fdt_subnode_offset ((const void *)UpdatedFdtBase, 0, "chosen"); > + if (ChosenNode < 0) { > + ChosenNode = fdt_add_subnode((void *)UpdatedFdtBase, 0, "chosen"); > + if (ChosenNode < 0) { > + DEBUG ((EFI_D_ERROR, "Failed to find chosen node in fdt!\n")); > + goto Fdt_Exit; > + } > + } SetProperty64(UpdatedFdtBase, Chosen, "linux,initrd-start", RamdiskStart). > + Property = fdt_get_property_w((void *)UpdatedFdtBase, ChosenNode, > + "linux,initrd-start", &Len); > + if (NULL == Property && Len == -FDT_ERR_NOTFOUND) { > + RamdiskStart = cpu_to_fdt64((UINT64)RamdiskData); > + fdt_appendprop ((void *)UpdatedFdtBase, ChosenNode, > + "linux,initrd-start", &RamdiskStart, sizeof (UINT64)); > + } else if (Property != NULL) { > + RamdiskStart = (UINT64)RamdiskData; > + fdt_setprop_u64((void *)UpdatedFdtBase, ChosenNode, > + "linux,initrd-start", (uint64_t)RamdiskStart); UINT64 > + } else { > + DEBUG ((EFI_D_ERROR, "Failed to append fdt Property initrd-start\n", > + fdt_strerror (Err))); > + Status = EFI_INVALID_PARAMETER; > + goto Fdt_Exit; > + } > + SetProperty64(UpdatedFdtBase, Chosen, "linux,initrd-end", RamdiskEnd). > + Property = fdt_get_property_w((void *)UpdatedFdtBase, ChosenNode, > + "linux,initrd-end", &Len); > + if (NULL == Property && Len == -FDT_ERR_NOTFOUND) { > + RamdiskEnd = cpu_to_fdt64((UINT64)(RamdiskData + RamdiskSize)); > + fdt_appendprop ((void *)UpdatedFdtBase, ChosenNode, > + "linux,initrd-end", &RamdiskEnd, sizeof (UINT64)); > + } else if (Property != NULL) { > + RamdiskEnd = (UINT64)(RamdiskData + RamdiskSize); > + fdt_setprop_u64((void *)UpdatedFdtBase, ChosenNode, > + "linux,initrd-end", (uint64_t)RamdiskEnd); UINT64 > + } else { > + DEBUG ((EFI_D_ERROR, "Failed to append fdt Property initrd-end\n", > + fdt_strerror (Err))); > + Status = EFI_INVALID_PARAMETER; > + goto Fdt_Exit; > + } > + > + if ( mAndroidBootImg->UpdateDtb) { Spurious space after '('. / Leif > + Status = mAndroidBootImg->UpdateDtb (UpdatedFdtBase, &NewFdtBase); > + if (EFI_ERROR (Status)) { > + goto Fdt_Exit; > + } > + } > + > + Status = gBS->InstallConfigurationTable ( > + &gFdtTableGuid, > + (VOID *)(UINTN)NewFdtBase > + ); > + if (!EFI_ERROR (Status)) { > + return EFI_SUCCESS; > + } > + > +Fdt_Exit: > + gBS->FreePages (UpdatedFdtBase, EFI_SIZE_TO_PAGES (NewFdtSize)); > + return Status; > +} > + > +EFI_STATUS > +AndroidBootImgBoot ( > + IN VOID *Buffer, > + IN UINTN BufferSize > + ) > +{ > + EFI_STATUS Status; > + VOID *Kernel; > + UINTN KernelSize; > + MEMORY_DEVICE_PATH KernelDevicePath; > + EFI_HANDLE ImageHandle; > + VOID *NewKernelArg; > + EFI_LOADED_IMAGE_PROTOCOL *ImageInfo; > + VOID *RamdiskData; > + UINTN RamdiskSize; > + IN VOID *FdtBase; > + > + Status = gBS->LocateProtocol (&gAndroidBootImgProtocolGuid, NULL, > + (VOID **) &mAndroidBootImg); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + Status = AndroidBootImgGetKernelInfo ( > + Buffer, > + &Kernel, > + &KernelSize > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + NewKernelArg = AllocateZeroPool (ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); > + if (NewKernelArg == NULL) { > + DEBUG ((DEBUG_ERROR, "Fail to allocate memory\n")); > + return EFI_OUT_OF_RESOURCES; > + } > + > + Status = AndroidBootImgUpdateArgs (Buffer, NewKernelArg); > + if (EFI_ERROR (Status)) { > + FreePool (NewKernelArg); > + return Status; > + } > + > + Status = AndroidBootImgGetRamdiskInfo ( > + Buffer, > + &RamdiskData, > + &RamdiskSize > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + Status = AndroidBootImgLocateFdt (Buffer, &FdtBase); > + if (EFI_ERROR (Status)) { > + FreePool (NewKernelArg); > + return Status; > + } > + > + Status = AndroidBootImgUpdateFdt (Buffer, FdtBase, RamdiskData, RamdiskSize); > + if (EFI_ERROR (Status)) { > + FreePool (NewKernelArg); > + return Status; > + } > + > + KernelDevicePath = mMemoryDevicePathTemplate; > + > + KernelDevicePath.Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel; > + KernelDevicePath.Node1.EndingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel > + + KernelSize; > + > + Status = gBS->LoadImage (TRUE, gImageHandle, > + (EFI_DEVICE_PATH *)&KernelDevicePath, > + (VOID*)(UINTN)Kernel, KernelSize, &ImageHandle); > + > + // Set kernel arguments > + Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, > + (VOID **) &ImageInfo); > + ImageInfo->LoadOptions = NewKernelArg; > + ImageInfo->LoadOptionsSize = StrLen (NewKernelArg) * sizeof (CHAR16); > + > + // Before calling the image, enable the Watchdog Timer for the 5 Minute period > + gBS->SetWatchdogTimer (5 * 60, 0x10000, 0, NULL); > + // Start the image > + Status = gBS->StartImage (ImageHandle, NULL, NULL); > + // Clear the Watchdog Timer if the image returns > + gBS->SetWatchdogTimer (0, 0x10000, 0, NULL); > + return EFI_SUCCESS; > +} > diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf > new file mode 100644 > index 0000000..c92bac0 > --- /dev/null > +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf > @@ -0,0 +1,48 @@ > +#/** @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 = AndroidBootImgLib > + FILE_GUID = ed3b8739-6fa7-4cb1-8aeb-2496f8fcaefa > + MODULE_TYPE = BASE > + VERSION_STRING = 1.0 > + LIBRARY_CLASS = AndroidBootImgLib > + > +# > +# The following information is for reference only and not required by the build tools. > +# > +# VALID_ARCHITECTURES = ARM AARCH64 > +# > + > +[Sources] > + AndroidBootImgLib.c > + > +[LibraryClasses] > + DebugLib > + FdtLib > + PrintLib > + UefiBootServicesTableLib > + UefiLib > + > +[Packages] > + EmbeddedPkg/EmbeddedPkg.dec > + MdePkg/MdePkg.dec > + > +[Protocols] > + gAndroidBootImgProtocolGuid > + > +[Guids] > + gFdtTableGuid > -- > 1.9.1 > _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
2017-08-01 23:50 GMT+08:00 Leif Lindholm <leif.lindholm@linaro.org>: > On Tue, Aug 01, 2017 at 05:29:00PM +0800, Jun Nie wrote: >> Add an android kernel loader that could load kernel from storage >> device. This patch is derived from Haojian's code as below link. >> https://patches.linaro.org/patch/94683/ >> >> This android boot image BDS add addtitional cmdline/dtb/ramfs >> support besides kernel that is introduced by Android boot header. > > This is nearly there - it's a big improvement, but a few more > comments below. Thank you for so much comments. All are addressed in v5. Jun > >> Contributed-under: TianoCore Contribution Agreement 1.0 >> Signed-off-by: Jun Nie <jun.nie@linaro.org> >> --- >> .../Application/AndroidBoot/AndroidBootApp.c | 140 +++++++ >> .../Application/AndroidBoot/AndroidBootApp.inf | 64 +++ >> EmbeddedPkg/Include/Library/AndroidBootImgLib.h | 17 + >> EmbeddedPkg/Include/Protocol/AndroidBootImg.h | 47 +++ >> .../Library/AndroidBootImgLib/AndroidBootImgLib.c | 444 +++++++++++++++++++++ >> .../AndroidBootImgLib/AndroidBootImgLib.inf | 48 +++ >> 6 files changed, 760 insertions(+) >> create mode 100644 EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c >> create mode 100644 EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf >> create mode 100644 EmbeddedPkg/Include/Protocol/AndroidBootImg.h >> create mode 100644 EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c >> create mode 100644 EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf >> >> diff --git a/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c >> new file mode 100644 >> index 0000000..5069819 >> --- /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 ((EFI_D_ERROR, "Failed to get BlockIo: %r\n", Status)); > > BaseTools/Scripts/PatchCheck.py warns about this and other occurrences > of EFI_D_*: > * EFI_D_ERROR was used, but DEBUG_ERROR is now recommended > > Can you update all occurrences of this on added or modified lines to > DEBUG_*? > >> + 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 ((EFI_D_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 ((EFI_D_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 0000000..f1ee0bd >> --- /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 >> diff --git a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h >> index 8116c7c..29fb3f2 100644 >> --- a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h >> +++ b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h >> @@ -47,4 +47,21 @@ typedef struct { >> >> /* Check Val (unsigned) is a power of 2 (has only one bit set) */ >> #define IS_POWER_OF_2(Val) ((Val) != 0 && (((Val) & ((Val) - 1)) == 0)) >> +/* Android boot image page size is not specified, but it should be power of 2 >> + * and larger than boot header */ >> +#define IS_VALID_ANDROID_PAGE_SIZE(Val) \ >> + (IS_POWER_OF_2(Val) && (Val > sizeof(ANDROID_BOOTIMG_HEADER))) >> + >> +EFI_STATUS >> +AndroidBootImgGetImgSize ( >> + IN VOID *BootImg, >> + OUT UINTN *ImgSize >> + ); >> + >> +EFI_STATUS >> +AndroidBootImgBoot ( >> + IN VOID *Buffer, >> + IN UINTN BufferSize >> + ); >> + >> #endif /* __ABOOTIMG_H__ */ >> diff --git a/EmbeddedPkg/Include/Protocol/AndroidBootImg.h b/EmbeddedPkg/Include/Protocol/AndroidBootImg.h >> new file mode 100644 >> index 0000000..1c458d0 >> --- /dev/null >> +++ b/EmbeddedPkg/Include/Protocol/AndroidBootImg.h >> @@ -0,0 +1,47 @@ >> +/** @file >> + >> + Copyright (c) 2017, Linaro. All rights reserved.<BR> >> + >> + 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 __ANDROID_BOOTIMG_PROTOCOL_H__ >> +#define __ANDROID_BOOTIMG_PROTOCOL_H__ >> + >> +// >> +// Protocol interface structure >> +// >> +typedef struct _ANDROID_BOOTIMG_PROTOCOL ANDROID_BOOTIMG_PROTOCOL; >> + >> +// >> +// Function Prototypes >> +// >> +typedef >> +EFI_STATUS >> +(EFIAPI *ANDROID_BOOTIMG_APPEND_KERNEL_ARGS) ( >> + IN CHAR16 *Args, >> + IN UINTN Size >> + ); >> + >> +typedef >> +EFI_STATUS >> +(EFIAPI *ANDROID_BOOTIMG_UPDATE_DTB) ( >> + IN EFI_PHYSICAL_ADDRESS OrigDtbBase; >> + OUT EFI_PHYSICAL_ADDRESS *NewDtbBase; >> + ); >> + >> +struct _ANDROID_BOOTIMG_PROTOCOL { >> + ANDROID_BOOTIMG_APPEND_KERNEL_ARGS AppendArgs; >> + ANDROID_BOOTIMG_UPDATE_DTB UpdateDtb; >> +}; >> + >> +extern EFI_GUID gAndroidBootImgProtocolGuid; >> + >> +#endif /* __ANDROID_BOOTIMG_PROTOCOL_H__ */ >> diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c >> new file mode 100644 >> index 0000000..c33a164 >> --- /dev/null >> +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c >> @@ -0,0 +1,444 @@ >> +/** @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 <libfdt.h> >> +#include <Library/AndroidBootImgLib.h> >> +#include <Library/PrintLib.h> >> +#include <Library/UefiBootServicesTableLib.h> >> +#include <Library/UefiLib.h> >> + >> +#include <Protocol/AndroidBootImg.h> >> +#include <Protocol/LoadedImage.h> >> + >> +#include <libfdt.h> >> + >> +#define FDT_ADDITIONAL_ENTRIES_SIZE 0x400 >> + >> +typedef struct { >> + MEMMAP_DEVICE_PATH Node1; >> + EFI_DEVICE_PATH_PROTOCOL End; >> +} MEMORY_DEVICE_PATH; >> + >> +STATIC ANDROID_BOOTIMG_PROTOCOL *mAndroidBootImg; >> + >> +STATIC CONST MEMORY_DEVICE_PATH mMemoryDevicePathTemplate = >> +{ >> + { >> + { >> + HARDWARE_DEVICE_PATH, >> + HW_MEMMAP_DP, >> + { >> + (UINT8)(sizeof (MEMMAP_DEVICE_PATH)), >> + (UINT8)((sizeof (MEMMAP_DEVICE_PATH)) >> 8), >> + }, >> + }, // Header >> + 0, // StartingAddress (set at runtime) >> + 0 // EndingAddress (set at runtime) >> + }, // Node1 >> + { >> + END_DEVICE_PATH_TYPE, >> + END_ENTIRE_DEVICE_PATH_SUBTYPE, >> + { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 } >> + } // End >> +}; >> + >> +EFI_STATUS >> +AndroidBootImgGetImgSize ( >> + IN VOID *BootImg, >> + OUT UINTN *ImgSize >> + ) >> +{ >> + ANDROID_BOOTIMG_HEADER *Header; >> + >> + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; >> + >> + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, >> + ANDROID_BOOT_MAGIC_LENGTH) != 0) { >> + return EFI_INVALID_PARAMETER; >> + } >> + >> + /* The page size is not specified, but it should be power of 2 at least */ >> + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); >> + >> + /* Get real size of abootimg */ >> + *ImgSize = ALIGN_VALUE (Header->KernelSize, Header->PageSize) + >> + ALIGN_VALUE (Header->RamdiskSize, Header->PageSize) + >> + ALIGN_VALUE (Header->SecondStageBootloaderSize, Header->PageSize) + >> + Header->PageSize; >> + return EFI_SUCCESS; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgGetKernelInfo ( >> + IN VOID *BootImg, >> + OUT VOID **Kernel, >> + OUT UINTN *KernelSize >> + ) >> +{ >> + ANDROID_BOOTIMG_HEADER *Header; >> + >> + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; >> + >> + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, >> + ANDROID_BOOT_MAGIC_LENGTH) != 0) { >> + return EFI_INVALID_PARAMETER; >> + } >> + >> + if (Header->KernelSize == 0) { >> + return EFI_NOT_FOUND; >> + } >> + >> + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); >> + >> + *KernelSize = Header->KernelSize; >> + *Kernel = BootImg + Header->PageSize; >> + return EFI_SUCCESS; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgGetRamdiskInfo ( >> + IN VOID *BootImg, >> + OUT VOID **Ramdisk, >> + OUT UINTN *RamdiskSize >> + ) >> +{ >> + ANDROID_BOOTIMG_HEADER *Header; >> + UINT8 *BootImgBytePtr; >> + >> + // Cast to UINT8 so we can do pointer arithmetic >> + BootImgBytePtr = (UINT8 *) BootImg; >> + >> + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; >> + >> + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, >> + ANDROID_BOOT_MAGIC_LENGTH) != 0) { >> + return EFI_INVALID_PARAMETER; >> + } >> + >> + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); >> + >> + *RamdiskSize = Header->RamdiskSize; >> + >> + if (Header->RamdiskSize != 0) { >> + *Ramdisk = (VOID *) (BootImgBytePtr >> + + Header->PageSize >> + + ALIGN_VALUE (Header->KernelSize, Header->PageSize)); >> + } >> + return EFI_SUCCESS; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgGetSecondBootLoaderInfo ( >> + IN VOID *BootImg, >> + OUT VOID **Second, >> + OUT UINTN *SecondSize >> + ) >> +{ >> + ANDROID_BOOTIMG_HEADER *Header; >> + UINT8 *BootImgBytePtr; >> + >> + // Cast to UINT8 so we can do pointer arithmetic >> + BootImgBytePtr = (UINT8 *) BootImg; >> + >> + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; >> + >> + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, >> + ANDROID_BOOT_MAGIC_LENGTH) != 0) { >> + return EFI_INVALID_PARAMETER; >> + } >> + >> + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); >> + >> + *SecondSize = Header->SecondStageBootloaderSize; >> + >> + if (Header->SecondStageBootloaderSize != 0) { >> + *Second = (VOID *) (BootImgBytePtr >> + + Header->PageSize >> + + ALIGN_VALUE (Header->KernelSize, Header->PageSize) >> + + ALIGN_VALUE (Header->RamdiskSize, Header->PageSize)); >> + } >> + return EFI_SUCCESS; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgGetKernelArgs ( >> + IN VOID *BootImg, >> + OUT CHAR8 *KernelArgs >> + ) >> +{ >> + ANDROID_BOOTIMG_HEADER *Header; >> + >> + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; >> + AsciiStrnCpyS (KernelArgs, ANDROID_BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs, >> + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); >> + >> + return EFI_SUCCESS; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgGetFdt ( >> + IN VOID *BootImg, >> + IN VOID **FdtBase >> + ) >> +{ >> + UINTN SecondLoaderSize; >> + EFI_STATUS Status; >> + >> + /* Check whether FDT is located in second boot region as some vendor do so, >> + * because second loader is never used as far as I know. */ >> + Status = AndroidBootImgGetSecondBootLoaderInfo ( >> + BootImg, >> + FdtBase, >> + &SecondLoaderSize >> + ); >> + return Status; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgUpdateArgs ( >> + IN VOID *BootImg, >> + OUT VOID *KernelArgs >> + ) >> +{ >> + CHAR8 ImageKernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE]; >> + EFI_STATUS Status; >> + >> + // Get kernel arguments from Android boot image >> + Status = AndroidBootImgGetKernelArgs (BootImg, ImageKernelArgs); >> + if (EFI_ERROR (Status)) { >> + return Status; >> + } >> + AsciiStrToUnicodeStrS (ImageKernelArgs, KernelArgs, >> + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE >> 1); >> + // Append platform kernel arguments >> + if(mAndroidBootImg->AppendArgs) { >> + Status = mAndroidBootImg->AppendArgs (KernelArgs, >> + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); >> + } >> + return Status; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgLocateFdt ( >> + IN VOID *BootImg, >> + IN VOID **FdtBase >> + ) >> +{ >> + INTN Err; >> + EFI_STATUS Status; >> + >> + Status = EfiGetSystemConfigurationTable (&gFdtTableGuid, FdtBase); >> + if (!EFI_ERROR (Status)) { >> + return EFI_SUCCESS; >> + } >> + >> + Status = AndroidBootImgGetFdt (BootImg, FdtBase); >> + if (EFI_ERROR (Status)) { >> + return Status; >> + } >> + Err = fdt_check_header (*FdtBase); >> + if (Err != 0) { >> + DEBUG ((DEBUG_ERROR, "ERROR: Device Tree header not valid (Err:%d)\n", >> + Err)); >> + return EFI_INVALID_PARAMETER; >> + } >> + return EFI_SUCCESS; >> +} >> + >> + >> +EFI_STATUS >> +AndroidBootImgUpdateFdt ( >> + IN VOID *BootImg, >> + IN VOID *FdtBase, >> + IN VOID *RamdiskData, >> + IN UINTN RamdiskSize >> + ) >> +{ >> + INTN Err, NewFdtSize, ChosenNode; >> + EFI_STATUS Status; >> + EFI_PHYSICAL_ADDRESS UpdatedFdtBase, NewFdtBase; >> + struct fdt_property *Property; >> + UINT64 RamdiskStart, RamdiskEnd; >> + int Len; >> + >> + NewFdtSize = (UINTN)fdt_totalsize (FdtBase) >> + + FDT_ADDITIONAL_ENTRIES_SIZE; >> + Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, >> + EFI_SIZE_TO_PAGES (NewFdtSize), &UpdatedFdtBase); >> + if (EFI_ERROR (Status)) { >> + DEBUG ((EFI_D_WARN, "Warning: Failed to reallocate FDT, err %d.\n", >> + Status)); >> + return Status; >> + } >> + >> + // Load the Original FDT tree into the new region >> + Err = fdt_open_into(FdtBase, (VOID*)UpdatedFdtBase, NewFdtSize); >> + if (Err) { >> + DEBUG ((EFI_D_ERROR, "fdt_open_into(): %a\n", fdt_strerror (Err))); >> + Status = EFI_INVALID_PARAMETER; >> + goto Fdt_Exit; >> + } >> + > > Could we have some helper functions here?: > > GetChosenNode(UpdatedFdtBase). > >> + ChosenNode = fdt_subnode_offset ((const void *)UpdatedFdtBase, 0, "chosen"); >> + if (ChosenNode < 0) { >> + ChosenNode = fdt_add_subnode((void *)UpdatedFdtBase, 0, "chosen"); >> + if (ChosenNode < 0) { >> + DEBUG ((EFI_D_ERROR, "Failed to find chosen node in fdt!\n")); >> + goto Fdt_Exit; >> + } >> + } > > SetProperty64(UpdatedFdtBase, Chosen, "linux,initrd-start", RamdiskStart). > >> + Property = fdt_get_property_w((void *)UpdatedFdtBase, ChosenNode, >> + "linux,initrd-start", &Len); >> + if (NULL == Property && Len == -FDT_ERR_NOTFOUND) { >> + RamdiskStart = cpu_to_fdt64((UINT64)RamdiskData); >> + fdt_appendprop ((void *)UpdatedFdtBase, ChosenNode, >> + "linux,initrd-start", &RamdiskStart, sizeof (UINT64)); >> + } else if (Property != NULL) { >> + RamdiskStart = (UINT64)RamdiskData; >> + fdt_setprop_u64((void *)UpdatedFdtBase, ChosenNode, >> + "linux,initrd-start", (uint64_t)RamdiskStart); > > UINT64 > >> + } else { >> + DEBUG ((EFI_D_ERROR, "Failed to append fdt Property initrd-start\n", >> + fdt_strerror (Err))); >> + Status = EFI_INVALID_PARAMETER; >> + goto Fdt_Exit; >> + } >> + > > SetProperty64(UpdatedFdtBase, Chosen, "linux,initrd-end", RamdiskEnd). > >> + Property = fdt_get_property_w((void *)UpdatedFdtBase, ChosenNode, >> + "linux,initrd-end", &Len); >> + if (NULL == Property && Len == -FDT_ERR_NOTFOUND) { >> + RamdiskEnd = cpu_to_fdt64((UINT64)(RamdiskData + RamdiskSize)); >> + fdt_appendprop ((void *)UpdatedFdtBase, ChosenNode, >> + "linux,initrd-end", &RamdiskEnd, sizeof (UINT64)); >> + } else if (Property != NULL) { >> + RamdiskEnd = (UINT64)(RamdiskData + RamdiskSize); >> + fdt_setprop_u64((void *)UpdatedFdtBase, ChosenNode, >> + "linux,initrd-end", (uint64_t)RamdiskEnd); > > UINT64 > >> + } else { >> + DEBUG ((EFI_D_ERROR, "Failed to append fdt Property initrd-end\n", >> + fdt_strerror (Err))); >> + Status = EFI_INVALID_PARAMETER; >> + goto Fdt_Exit; >> + } >> + >> + if ( mAndroidBootImg->UpdateDtb) { > > Spurious space after '('. > > / > Leif > >> + Status = mAndroidBootImg->UpdateDtb (UpdatedFdtBase, &NewFdtBase); >> + if (EFI_ERROR (Status)) { >> + goto Fdt_Exit; >> + } >> + } >> + >> + Status = gBS->InstallConfigurationTable ( >> + &gFdtTableGuid, >> + (VOID *)(UINTN)NewFdtBase >> + ); >> + if (!EFI_ERROR (Status)) { >> + return EFI_SUCCESS; >> + } >> + >> +Fdt_Exit: >> + gBS->FreePages (UpdatedFdtBase, EFI_SIZE_TO_PAGES (NewFdtSize)); >> + return Status; >> +} >> + >> +EFI_STATUS >> +AndroidBootImgBoot ( >> + IN VOID *Buffer, >> + IN UINTN BufferSize >> + ) >> +{ >> + EFI_STATUS Status; >> + VOID *Kernel; >> + UINTN KernelSize; >> + MEMORY_DEVICE_PATH KernelDevicePath; >> + EFI_HANDLE ImageHandle; >> + VOID *NewKernelArg; >> + EFI_LOADED_IMAGE_PROTOCOL *ImageInfo; >> + VOID *RamdiskData; >> + UINTN RamdiskSize; >> + IN VOID *FdtBase; >> + >> + Status = gBS->LocateProtocol (&gAndroidBootImgProtocolGuid, NULL, >> + (VOID **) &mAndroidBootImg); >> + if (EFI_ERROR (Status)) { >> + return Status; >> + } >> + >> + Status = AndroidBootImgGetKernelInfo ( >> + Buffer, >> + &Kernel, >> + &KernelSize >> + ); >> + if (EFI_ERROR (Status)) { >> + return Status; >> + } >> + >> + NewKernelArg = AllocateZeroPool (ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); >> + if (NewKernelArg == NULL) { >> + DEBUG ((DEBUG_ERROR, "Fail to allocate memory\n")); >> + return EFI_OUT_OF_RESOURCES; >> + } >> + >> + Status = AndroidBootImgUpdateArgs (Buffer, NewKernelArg); >> + if (EFI_ERROR (Status)) { >> + FreePool (NewKernelArg); >> + return Status; >> + } >> + >> + Status = AndroidBootImgGetRamdiskInfo ( >> + Buffer, >> + &RamdiskData, >> + &RamdiskSize >> + ); >> + if (EFI_ERROR (Status)) { >> + return Status; >> + } >> + >> + Status = AndroidBootImgLocateFdt (Buffer, &FdtBase); >> + if (EFI_ERROR (Status)) { >> + FreePool (NewKernelArg); >> + return Status; >> + } >> + >> + Status = AndroidBootImgUpdateFdt (Buffer, FdtBase, RamdiskData, RamdiskSize); >> + if (EFI_ERROR (Status)) { >> + FreePool (NewKernelArg); >> + return Status; >> + } >> + >> + KernelDevicePath = mMemoryDevicePathTemplate; >> + >> + KernelDevicePath.Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel; >> + KernelDevicePath.Node1.EndingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel >> + + KernelSize; >> + >> + Status = gBS->LoadImage (TRUE, gImageHandle, >> + (EFI_DEVICE_PATH *)&KernelDevicePath, >> + (VOID*)(UINTN)Kernel, KernelSize, &ImageHandle); >> + >> + // Set kernel arguments >> + Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, >> + (VOID **) &ImageInfo); >> + ImageInfo->LoadOptions = NewKernelArg; >> + ImageInfo->LoadOptionsSize = StrLen (NewKernelArg) * sizeof (CHAR16); >> + >> + // Before calling the image, enable the Watchdog Timer for the 5 Minute period >> + gBS->SetWatchdogTimer (5 * 60, 0x10000, 0, NULL); >> + // Start the image >> + Status = gBS->StartImage (ImageHandle, NULL, NULL); >> + // Clear the Watchdog Timer if the image returns >> + gBS->SetWatchdogTimer (0, 0x10000, 0, NULL); >> + return EFI_SUCCESS; >> +} >> diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf >> new file mode 100644 >> index 0000000..c92bac0 >> --- /dev/null >> +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf >> @@ -0,0 +1,48 @@ >> +#/** @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 = AndroidBootImgLib >> + FILE_GUID = ed3b8739-6fa7-4cb1-8aeb-2496f8fcaefa >> + MODULE_TYPE = BASE >> + VERSION_STRING = 1.0 >> + LIBRARY_CLASS = AndroidBootImgLib >> + >> +# >> +# The following information is for reference only and not required by the build tools. >> +# >> +# VALID_ARCHITECTURES = ARM AARCH64 >> +# >> + >> +[Sources] >> + AndroidBootImgLib.c >> + >> +[LibraryClasses] >> + DebugLib >> + FdtLib >> + PrintLib >> + UefiBootServicesTableLib >> + UefiLib >> + >> +[Packages] >> + EmbeddedPkg/EmbeddedPkg.dec >> + MdePkg/MdePkg.dec >> + >> +[Protocols] >> + gAndroidBootImgProtocolGuid >> + >> +[Guids] >> + gFdtTableGuid >> -- >> 1.9.1 >> _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
diff --git a/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c b/EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c new file mode 100644 index 0000000..5069819 --- /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 ((EFI_D_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 ((EFI_D_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 ((EFI_D_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 0000000..f1ee0bd --- /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 diff --git a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h index 8116c7c..29fb3f2 100644 --- a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h +++ b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h @@ -47,4 +47,21 @@ typedef struct { /* Check Val (unsigned) is a power of 2 (has only one bit set) */ #define IS_POWER_OF_2(Val) ((Val) != 0 && (((Val) & ((Val) - 1)) == 0)) +/* Android boot image page size is not specified, but it should be power of 2 + * and larger than boot header */ +#define IS_VALID_ANDROID_PAGE_SIZE(Val) \ + (IS_POWER_OF_2(Val) && (Val > sizeof(ANDROID_BOOTIMG_HEADER))) + +EFI_STATUS +AndroidBootImgGetImgSize ( + IN VOID *BootImg, + OUT UINTN *ImgSize + ); + +EFI_STATUS +AndroidBootImgBoot ( + IN VOID *Buffer, + IN UINTN BufferSize + ); + #endif /* __ABOOTIMG_H__ */ diff --git a/EmbeddedPkg/Include/Protocol/AndroidBootImg.h b/EmbeddedPkg/Include/Protocol/AndroidBootImg.h new file mode 100644 index 0000000..1c458d0 --- /dev/null +++ b/EmbeddedPkg/Include/Protocol/AndroidBootImg.h @@ -0,0 +1,47 @@ +/** @file + + Copyright (c) 2017, Linaro. All rights reserved.<BR> + + 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 __ANDROID_BOOTIMG_PROTOCOL_H__ +#define __ANDROID_BOOTIMG_PROTOCOL_H__ + +// +// Protocol interface structure +// +typedef struct _ANDROID_BOOTIMG_PROTOCOL ANDROID_BOOTIMG_PROTOCOL; + +// +// Function Prototypes +// +typedef +EFI_STATUS +(EFIAPI *ANDROID_BOOTIMG_APPEND_KERNEL_ARGS) ( + IN CHAR16 *Args, + IN UINTN Size + ); + +typedef +EFI_STATUS +(EFIAPI *ANDROID_BOOTIMG_UPDATE_DTB) ( + IN EFI_PHYSICAL_ADDRESS OrigDtbBase; + OUT EFI_PHYSICAL_ADDRESS *NewDtbBase; + ); + +struct _ANDROID_BOOTIMG_PROTOCOL { + ANDROID_BOOTIMG_APPEND_KERNEL_ARGS AppendArgs; + ANDROID_BOOTIMG_UPDATE_DTB UpdateDtb; +}; + +extern EFI_GUID gAndroidBootImgProtocolGuid; + +#endif /* __ANDROID_BOOTIMG_PROTOCOL_H__ */ diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c new file mode 100644 index 0000000..c33a164 --- /dev/null +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c @@ -0,0 +1,444 @@ +/** @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 <libfdt.h> +#include <Library/AndroidBootImgLib.h> +#include <Library/PrintLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiLib.h> + +#include <Protocol/AndroidBootImg.h> +#include <Protocol/LoadedImage.h> + +#include <libfdt.h> + +#define FDT_ADDITIONAL_ENTRIES_SIZE 0x400 + +typedef struct { + MEMMAP_DEVICE_PATH Node1; + EFI_DEVICE_PATH_PROTOCOL End; +} MEMORY_DEVICE_PATH; + +STATIC ANDROID_BOOTIMG_PROTOCOL *mAndroidBootImg; + +STATIC CONST MEMORY_DEVICE_PATH mMemoryDevicePathTemplate = +{ + { + { + HARDWARE_DEVICE_PATH, + HW_MEMMAP_DP, + { + (UINT8)(sizeof (MEMMAP_DEVICE_PATH)), + (UINT8)((sizeof (MEMMAP_DEVICE_PATH)) >> 8), + }, + }, // Header + 0, // StartingAddress (set at runtime) + 0 // EndingAddress (set at runtime) + }, // Node1 + { + END_DEVICE_PATH_TYPE, + END_ENTIRE_DEVICE_PATH_SUBTYPE, + { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 } + } // End +}; + +EFI_STATUS +AndroidBootImgGetImgSize ( + IN VOID *BootImg, + OUT UINTN *ImgSize + ) +{ + ANDROID_BOOTIMG_HEADER *Header; + + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; + + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, + ANDROID_BOOT_MAGIC_LENGTH) != 0) { + return EFI_INVALID_PARAMETER; + } + + /* The page size is not specified, but it should be power of 2 at least */ + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); + + /* Get real size of abootimg */ + *ImgSize = ALIGN_VALUE (Header->KernelSize, Header->PageSize) + + ALIGN_VALUE (Header->RamdiskSize, Header->PageSize) + + ALIGN_VALUE (Header->SecondStageBootloaderSize, Header->PageSize) + + Header->PageSize; + return EFI_SUCCESS; +} + +EFI_STATUS +AndroidBootImgGetKernelInfo ( + IN VOID *BootImg, + OUT VOID **Kernel, + OUT UINTN *KernelSize + ) +{ + ANDROID_BOOTIMG_HEADER *Header; + + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; + + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, + ANDROID_BOOT_MAGIC_LENGTH) != 0) { + return EFI_INVALID_PARAMETER; + } + + if (Header->KernelSize == 0) { + return EFI_NOT_FOUND; + } + + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); + + *KernelSize = Header->KernelSize; + *Kernel = BootImg + Header->PageSize; + return EFI_SUCCESS; +} + +EFI_STATUS +AndroidBootImgGetRamdiskInfo ( + IN VOID *BootImg, + OUT VOID **Ramdisk, + OUT UINTN *RamdiskSize + ) +{ + ANDROID_BOOTIMG_HEADER *Header; + UINT8 *BootImgBytePtr; + + // Cast to UINT8 so we can do pointer arithmetic + BootImgBytePtr = (UINT8 *) BootImg; + + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; + + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, + ANDROID_BOOT_MAGIC_LENGTH) != 0) { + return EFI_INVALID_PARAMETER; + } + + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); + + *RamdiskSize = Header->RamdiskSize; + + if (Header->RamdiskSize != 0) { + *Ramdisk = (VOID *) (BootImgBytePtr + + Header->PageSize + + ALIGN_VALUE (Header->KernelSize, Header->PageSize)); + } + return EFI_SUCCESS; +} + +EFI_STATUS +AndroidBootImgGetSecondBootLoaderInfo ( + IN VOID *BootImg, + OUT VOID **Second, + OUT UINTN *SecondSize + ) +{ + ANDROID_BOOTIMG_HEADER *Header; + UINT8 *BootImgBytePtr; + + // Cast to UINT8 so we can do pointer arithmetic + BootImgBytePtr = (UINT8 *) BootImg; + + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; + + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, + ANDROID_BOOT_MAGIC_LENGTH) != 0) { + return EFI_INVALID_PARAMETER; + } + + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize)); + + *SecondSize = Header->SecondStageBootloaderSize; + + if (Header->SecondStageBootloaderSize != 0) { + *Second = (VOID *) (BootImgBytePtr + + Header->PageSize + + ALIGN_VALUE (Header->KernelSize, Header->PageSize) + + ALIGN_VALUE (Header->RamdiskSize, Header->PageSize)); + } + return EFI_SUCCESS; +} + +EFI_STATUS +AndroidBootImgGetKernelArgs ( + IN VOID *BootImg, + OUT CHAR8 *KernelArgs + ) +{ + ANDROID_BOOTIMG_HEADER *Header; + + Header = (ANDROID_BOOTIMG_HEADER *) BootImg; + AsciiStrnCpyS (KernelArgs, ANDROID_BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs, + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); + + return EFI_SUCCESS; +} + +EFI_STATUS +AndroidBootImgGetFdt ( + IN VOID *BootImg, + IN VOID **FdtBase + ) +{ + UINTN SecondLoaderSize; + EFI_STATUS Status; + + /* Check whether FDT is located in second boot region as some vendor do so, + * because second loader is never used as far as I know. */ + Status = AndroidBootImgGetSecondBootLoaderInfo ( + BootImg, + FdtBase, + &SecondLoaderSize + ); + return Status; +} + +EFI_STATUS +AndroidBootImgUpdateArgs ( + IN VOID *BootImg, + OUT VOID *KernelArgs + ) +{ + CHAR8 ImageKernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE]; + EFI_STATUS Status; + + // Get kernel arguments from Android boot image + Status = AndroidBootImgGetKernelArgs (BootImg, ImageKernelArgs); + if (EFI_ERROR (Status)) { + return Status; + } + AsciiStrToUnicodeStrS (ImageKernelArgs, KernelArgs, + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE >> 1); + // Append platform kernel arguments + if(mAndroidBootImg->AppendArgs) { + Status = mAndroidBootImg->AppendArgs (KernelArgs, + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); + } + return Status; +} + +EFI_STATUS +AndroidBootImgLocateFdt ( + IN VOID *BootImg, + IN VOID **FdtBase + ) +{ + INTN Err; + EFI_STATUS Status; + + Status = EfiGetSystemConfigurationTable (&gFdtTableGuid, FdtBase); + if (!EFI_ERROR (Status)) { + return EFI_SUCCESS; + } + + Status = AndroidBootImgGetFdt (BootImg, FdtBase); + if (EFI_ERROR (Status)) { + return Status; + } + Err = fdt_check_header (*FdtBase); + if (Err != 0) { + DEBUG ((DEBUG_ERROR, "ERROR: Device Tree header not valid (Err:%d)\n", + Err)); + return EFI_INVALID_PARAMETER; + } + return EFI_SUCCESS; +} + + +EFI_STATUS +AndroidBootImgUpdateFdt ( + IN VOID *BootImg, + IN VOID *FdtBase, + IN VOID *RamdiskData, + IN UINTN RamdiskSize + ) +{ + INTN Err, NewFdtSize, ChosenNode; + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS UpdatedFdtBase, NewFdtBase; + struct fdt_property *Property; + UINT64 RamdiskStart, RamdiskEnd; + int Len; + + NewFdtSize = (UINTN)fdt_totalsize (FdtBase) + + FDT_ADDITIONAL_ENTRIES_SIZE; + Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, + EFI_SIZE_TO_PAGES (NewFdtSize), &UpdatedFdtBase); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_WARN, "Warning: Failed to reallocate FDT, err %d.\n", + Status)); + return Status; + } + + // Load the Original FDT tree into the new region + Err = fdt_open_into(FdtBase, (VOID*)UpdatedFdtBase, NewFdtSize); + if (Err) { + DEBUG ((EFI_D_ERROR, "fdt_open_into(): %a\n", fdt_strerror (Err))); + Status = EFI_INVALID_PARAMETER; + goto Fdt_Exit; + } + + ChosenNode = fdt_subnode_offset ((const void *)UpdatedFdtBase, 0, "chosen"); + if (ChosenNode < 0) { + ChosenNode = fdt_add_subnode((void *)UpdatedFdtBase, 0, "chosen"); + if (ChosenNode < 0) { + DEBUG ((EFI_D_ERROR, "Failed to find chosen node in fdt!\n")); + goto Fdt_Exit; + } + } + Property = fdt_get_property_w((void *)UpdatedFdtBase, ChosenNode, + "linux,initrd-start", &Len); + if (NULL == Property && Len == -FDT_ERR_NOTFOUND) { + RamdiskStart = cpu_to_fdt64((UINT64)RamdiskData); + fdt_appendprop ((void *)UpdatedFdtBase, ChosenNode, + "linux,initrd-start", &RamdiskStart, sizeof (UINT64)); + } else if (Property != NULL) { + RamdiskStart = (UINT64)RamdiskData; + fdt_setprop_u64((void *)UpdatedFdtBase, ChosenNode, + "linux,initrd-start", (uint64_t)RamdiskStart); + } else { + DEBUG ((EFI_D_ERROR, "Failed to append fdt Property initrd-start\n", + fdt_strerror (Err))); + Status = EFI_INVALID_PARAMETER; + goto Fdt_Exit; + } + + Property = fdt_get_property_w((void *)UpdatedFdtBase, ChosenNode, + "linux,initrd-end", &Len); + if (NULL == Property && Len == -FDT_ERR_NOTFOUND) { + RamdiskEnd = cpu_to_fdt64((UINT64)(RamdiskData + RamdiskSize)); + fdt_appendprop ((void *)UpdatedFdtBase, ChosenNode, + "linux,initrd-end", &RamdiskEnd, sizeof (UINT64)); + } else if (Property != NULL) { + RamdiskEnd = (UINT64)(RamdiskData + RamdiskSize); + fdt_setprop_u64((void *)UpdatedFdtBase, ChosenNode, + "linux,initrd-end", (uint64_t)RamdiskEnd); + } else { + DEBUG ((EFI_D_ERROR, "Failed to append fdt Property initrd-end\n", + fdt_strerror (Err))); + Status = EFI_INVALID_PARAMETER; + goto Fdt_Exit; + } + + if ( mAndroidBootImg->UpdateDtb) { + Status = mAndroidBootImg->UpdateDtb (UpdatedFdtBase, &NewFdtBase); + if (EFI_ERROR (Status)) { + goto Fdt_Exit; + } + } + + Status = gBS->InstallConfigurationTable ( + &gFdtTableGuid, + (VOID *)(UINTN)NewFdtBase + ); + if (!EFI_ERROR (Status)) { + return EFI_SUCCESS; + } + +Fdt_Exit: + gBS->FreePages (UpdatedFdtBase, EFI_SIZE_TO_PAGES (NewFdtSize)); + return Status; +} + +EFI_STATUS +AndroidBootImgBoot ( + IN VOID *Buffer, + IN UINTN BufferSize + ) +{ + EFI_STATUS Status; + VOID *Kernel; + UINTN KernelSize; + MEMORY_DEVICE_PATH KernelDevicePath; + EFI_HANDLE ImageHandle; + VOID *NewKernelArg; + EFI_LOADED_IMAGE_PROTOCOL *ImageInfo; + VOID *RamdiskData; + UINTN RamdiskSize; + IN VOID *FdtBase; + + Status = gBS->LocateProtocol (&gAndroidBootImgProtocolGuid, NULL, + (VOID **) &mAndroidBootImg); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = AndroidBootImgGetKernelInfo ( + Buffer, + &Kernel, + &KernelSize + ); + if (EFI_ERROR (Status)) { + return Status; + } + + NewKernelArg = AllocateZeroPool (ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); + if (NewKernelArg == NULL) { + DEBUG ((DEBUG_ERROR, "Fail to allocate memory\n")); + return EFI_OUT_OF_RESOURCES; + } + + Status = AndroidBootImgUpdateArgs (Buffer, NewKernelArg); + if (EFI_ERROR (Status)) { + FreePool (NewKernelArg); + return Status; + } + + Status = AndroidBootImgGetRamdiskInfo ( + Buffer, + &RamdiskData, + &RamdiskSize + ); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = AndroidBootImgLocateFdt (Buffer, &FdtBase); + if (EFI_ERROR (Status)) { + FreePool (NewKernelArg); + return Status; + } + + Status = AndroidBootImgUpdateFdt (Buffer, FdtBase, RamdiskData, RamdiskSize); + if (EFI_ERROR (Status)) { + FreePool (NewKernelArg); + return Status; + } + + KernelDevicePath = mMemoryDevicePathTemplate; + + KernelDevicePath.Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel; + KernelDevicePath.Node1.EndingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel + + KernelSize; + + Status = gBS->LoadImage (TRUE, gImageHandle, + (EFI_DEVICE_PATH *)&KernelDevicePath, + (VOID*)(UINTN)Kernel, KernelSize, &ImageHandle); + + // Set kernel arguments + Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, + (VOID **) &ImageInfo); + ImageInfo->LoadOptions = NewKernelArg; + ImageInfo->LoadOptionsSize = StrLen (NewKernelArg) * sizeof (CHAR16); + + // Before calling the image, enable the Watchdog Timer for the 5 Minute period + gBS->SetWatchdogTimer (5 * 60, 0x10000, 0, NULL); + // Start the image + Status = gBS->StartImage (ImageHandle, NULL, NULL); + // Clear the Watchdog Timer if the image returns + gBS->SetWatchdogTimer (0, 0x10000, 0, NULL); + return EFI_SUCCESS; +} diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf new file mode 100644 index 0000000..c92bac0 --- /dev/null +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf @@ -0,0 +1,48 @@ +#/** @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 = AndroidBootImgLib + FILE_GUID = ed3b8739-6fa7-4cb1-8aeb-2496f8fcaefa + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = AndroidBootImgLib + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = ARM AARCH64 +# + +[Sources] + AndroidBootImgLib.c + +[LibraryClasses] + DebugLib + FdtLib + PrintLib + UefiBootServicesTableLib + UefiLib + +[Packages] + EmbeddedPkg/EmbeddedPkg.dec + MdePkg/MdePkg.dec + +[Protocols] + gAndroidBootImgProtocolGuid + +[Guids] + gFdtTableGuid
Add an android kernel loader that could load kernel from storage device. This patch is derived from Haojian's code as below link. https://patches.linaro.org/patch/94683/ This android boot image BDS add addtitional cmdline/dtb/ramfs support besides kernel that is introduced by Android boot header. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jun Nie <jun.nie@linaro.org> --- .../Application/AndroidBoot/AndroidBootApp.c | 140 +++++++ .../Application/AndroidBoot/AndroidBootApp.inf | 64 +++ EmbeddedPkg/Include/Library/AndroidBootImgLib.h | 17 + EmbeddedPkg/Include/Protocol/AndroidBootImg.h | 47 +++ .../Library/AndroidBootImgLib/AndroidBootImgLib.c | 444 +++++++++++++++++++++ .../AndroidBootImgLib/AndroidBootImgLib.inf | 48 +++ 6 files changed, 760 insertions(+) create mode 100644 EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.c create mode 100644 EmbeddedPkg/Application/AndroidBoot/AndroidBootApp.inf create mode 100644 EmbeddedPkg/Include/Protocol/AndroidBootImg.h create mode 100644 EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c create mode 100644 EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.inf -- 1.9.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel