Split android boot header definition to share code among different applications and libraries.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jun Nie jun.nie@linaro.org --- .../Application/AndroidFastboot/AndroidBootImg.c | 35 +++------------ .../AndroidFastboot/AndroidFastbootApp.h | 1 + .../AndroidFastboot/Arm/BootAndroidBootImg.c | 2 +- EmbeddedPkg/Include/Library/AndroidBootImgLib.h | 50 ++++++++++++++++++++++ 4 files changed, 57 insertions(+), 31 deletions(-) create mode 100644 EmbeddedPkg/Include/Library/AndroidBootImgLib.h
diff --git a/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c b/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c index f3e770b..2f7f093 100644 --- a/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c +++ b/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c @@ -14,32 +14,6 @@
#include "AndroidFastbootApp.h"
-#define BOOT_MAGIC "ANDROID!" -#define BOOT_MAGIC_LENGTH sizeof (BOOT_MAGIC) - 1 - -// 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)) - -// No documentation for this really - sizes of fields has been determined -// empirically. -#pragma pack(1) -typedef struct { - CHAR8 BootMagic[BOOT_MAGIC_LENGTH]; - UINT32 KernelSize; - UINT32 KernelAddress; - UINT32 RamdiskSize; - UINT32 RamdiskAddress; - UINT32 SecondStageBootloaderSize; - UINT32 SecondStageBootloaderAddress; - UINT32 KernelTaggsAddress; - UINT32 PageSize; - UINT32 Reserved[2]; - CHAR8 ProductName[16]; - CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE]; - UINT32 Id[32]; -} ANDROID_BOOTIMG_HEADER; -#pragma pack() - // Find the kernel and ramdisk in an Android boot.img. // return EFI_INVALID_PARAMTER if the boot.img is invalid (i.e. doesn't have the // right magic value), @@ -64,7 +38,8 @@ ParseAndroidBootImg (
Header = (ANDROID_BOOTIMG_HEADER *) BootImg;
- if (AsciiStrnCmp (Header->BootMagic, BOOT_MAGIC, BOOT_MAGIC_LENGTH) != 0) { + if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC, + ANDROID_BOOT_MAGIC_LENGTH) != 0) { return EFI_INVALID_PARAMETER; }
@@ -72,7 +47,7 @@ ParseAndroidBootImg ( return EFI_NOT_FOUND; }
- ASSERT (IS_POWER_OF_2 (Header->PageSize)); + ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize));
*KernelSize = Header->KernelSize; *Kernel = BootImgBytePtr + Header->PageSize; @@ -84,8 +59,8 @@ ParseAndroidBootImg ( + ALIGN_VALUE (Header->KernelSize, Header->PageSize)); }
- AsciiStrnCpyS (KernelArgs, BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs, - BOOTIMG_KERNEL_ARGS_SIZE); + AsciiStrnCpyS (KernelArgs, ANDROID_BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs, + ANDROID_BOOTIMG_KERNEL_ARGS_SIZE);
return EFI_SUCCESS; } diff --git a/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.h b/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.h index f62660f..e4c5aa3 100644 --- a/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.h +++ b/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.h @@ -15,6 +15,7 @@ #ifndef __ANDROID_FASTBOOT_APP_H__ #define __ANDROID_FASTBOOT_APP_H__
+#include <Library/AndroidBootImgLib.h> #include <Library/BaseLib.h> #include <Library/DebugLib.h> #include <Library/MemoryAllocationLib.h> diff --git a/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c b/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c index f446cce..1d9024b 100644 --- a/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c +++ b/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c @@ -112,7 +112,7 @@ BootAndroidBootImg ( ) { EFI_STATUS Status; - CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE]; + CHAR8 KernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE]; VOID *Kernel; UINTN KernelSize; VOID *Ramdisk; diff --git a/EmbeddedPkg/Include/Library/AndroidBootImgLib.h b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h new file mode 100644 index 0000000..8116c7c --- /dev/null +++ b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h @@ -0,0 +1,50 @@ +/** @file + + Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR> + Copyright (c) 2017, Linaro. + + 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 __ABOOTIMG_H__ +#define __ABOOTIMG_H__ + +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/MemoryAllocationLib.h> + +#include <Uefi/UefiBaseType.h> +#include <Uefi/UefiSpec.h> + +#define ANDROID_BOOTIMG_KERNEL_ARGS_SIZE 512 + +#define ANDROID_BOOT_MAGIC "ANDROID!" +#define ANDROID_BOOT_MAGIC_LENGTH (sizeof (ANDROID_BOOT_MAGIC) - 1) + +/* https://android.googlesource.com/platform/system/core/+/master/mkbootimg/boo... */ +typedef struct { + UINT8 BootMagic[ANDROID_BOOT_MAGIC_LENGTH]; + UINT32 KernelSize; + UINT32 KernelAddress; + UINT32 RamdiskSize; + UINT32 RamdiskAddress; + UINT32 SecondStageBootloaderSize; + UINT32 SecondStageBootloaderAddress; + UINT32 KernelTaggsAddress; + UINT32 PageSize; + UINT32 Reserved[2]; + CHAR8 ProductName[16]; + CHAR8 KernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE]; + UINT32 Id[32]; +} ANDROID_BOOTIMG_HEADER; + +/* 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)) +#endif /* __ABOOTIMG_H__ */