projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| f6755908 OM |
1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>\r | |
| 4 | \r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #include "AndroidFastbootApp.h"\r | |
| 16 | \r | |
| f6755908 OM |
17 | // Find the kernel and ramdisk in an Android boot.img.\r |
| 18 | // return EFI_INVALID_PARAMTER if the boot.img is invalid (i.e. doesn't have the\r | |
| 19 | // right magic value),\r | |
| 20 | // return EFI_NOT_FOUND if there was no kernel in the boot.img.\r | |
| 21 | // Note that the Ramdisk is optional - *Ramdisk won't be touched if it isn't\r | |
| 22 | // present, but RamdiskSize will be set to 0.\r | |
| 23 | EFI_STATUS\r | |
| 24 | ParseAndroidBootImg (\r | |
| 25 | IN VOID *BootImg,\r | |
| 26 | OUT VOID **Kernel,\r | |
| 27 | OUT UINTN *KernelSize,\r | |
| 28 | OUT VOID **Ramdisk,\r | |
| 29 | OUT UINTN *RamdiskSize,\r | |
| 30 | OUT CHAR8 *KernelArgs\r | |
| 31 | )\r | |
| 32 | {\r | |
| 33 | ANDROID_BOOTIMG_HEADER *Header;\r | |
| 34 | UINT8 *BootImgBytePtr;\r | |
| 35 | \r | |
| 36 | // Cast to UINT8 so we can do pointer arithmetic\r | |
| 37 | BootImgBytePtr = (UINT8 *) BootImg;\r | |
| 38 | \r | |
| 39 | Header = (ANDROID_BOOTIMG_HEADER *) BootImg;\r | |
| 40 | \r | |
| 6e414300 JN |
41 | if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC,\r |
| 42 | ANDROID_BOOT_MAGIC_LENGTH) != 0) {\r | |
| f6755908 OM |
43 | return EFI_INVALID_PARAMETER;\r |
| 44 | }\r | |
| 45 | \r | |
| 46 | if (Header->KernelSize == 0) {\r | |
| 47 | return EFI_NOT_FOUND;\r | |
| 48 | }\r | |
| 49 | \r | |
| 6e414300 | 50 | ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize));\r |
| f6755908 OM |
51 | \r |
| 52 | *KernelSize = Header->KernelSize;\r | |
| 53 | *Kernel = BootImgBytePtr + Header->PageSize;\r | |
| 54 | *RamdiskSize = Header->RamdiskSize;\r | |
| 55 | \r | |
| 56 | if (Header->RamdiskSize != 0) {\r | |
| 57 | *Ramdisk = (VOID *) (BootImgBytePtr\r | |
| 58 | + Header->PageSize\r | |
| 59 | + ALIGN_VALUE (Header->KernelSize, Header->PageSize));\r | |
| 60 | }\r | |
| 61 | \r | |
| 6e414300 JN |
62 | AsciiStrnCpyS (KernelArgs, ANDROID_BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs,\r |
| 63 | ANDROID_BOOTIMG_KERNEL_ARGS_SIZE);\r | |
| f6755908 OM |
64 | \r |
| 65 | return EFI_SUCCESS;\r | |
| 66 | }\r |