mirror of https://github.com/acidanthera/audk.git
EmbeddedPkg/AndroidFastboot: split android boot header
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> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This commit is contained in:
Jun Nie
Leif Lindholm
parent
dba1521c3d
commit
6e414300b5
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@ -14,32 +14,6 @@
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#include "AndroidFastbootApp.h"
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#define BOOT_MAGIC "ANDROID!"
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#define BOOT_MAGIC_LENGTH sizeof (BOOT_MAGIC) - 1
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// Check Val (unsigned) is a power of 2 (has only one bit set)
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#define IS_POWER_OF_2(Val) (Val != 0 && ((Val & (Val - 1)) == 0))
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// No documentation for this really - sizes of fields has been determined
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// empirically.
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#pragma pack(1)
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typedef struct {
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CHAR8 BootMagic[BOOT_MAGIC_LENGTH];
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UINT32 KernelSize;
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UINT32 KernelAddress;
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UINT32 RamdiskSize;
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UINT32 RamdiskAddress;
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UINT32 SecondStageBootloaderSize;
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UINT32 SecondStageBootloaderAddress;
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UINT32 KernelTaggsAddress;
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UINT32 PageSize;
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UINT32 Reserved[2];
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CHAR8 ProductName[16];
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CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE];
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UINT32 Id[32];
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} ANDROID_BOOTIMG_HEADER;
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#pragma pack()
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// Find the kernel and ramdisk in an Android boot.img.
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// return EFI_INVALID_PARAMTER if the boot.img is invalid (i.e. doesn't have the
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// right magic value),
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@ -64,7 +38,8 @@ ParseAndroidBootImg (
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Header = (ANDROID_BOOTIMG_HEADER *) BootImg;
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if (AsciiStrnCmp (Header->BootMagic, BOOT_MAGIC, BOOT_MAGIC_LENGTH) != 0) {
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if (AsciiStrnCmp ((CONST CHAR8 *)Header->BootMagic, ANDROID_BOOT_MAGIC,
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ANDROID_BOOT_MAGIC_LENGTH) != 0) {
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return EFI_INVALID_PARAMETER;
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}
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@ -72,7 +47,7 @@ ParseAndroidBootImg (
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return EFI_NOT_FOUND;
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}
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ASSERT (IS_POWER_OF_2 (Header->PageSize));
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ASSERT (IS_VALID_ANDROID_PAGE_SIZE (Header->PageSize));
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*KernelSize = Header->KernelSize;
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*Kernel = BootImgBytePtr + Header->PageSize;
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@ -84,8 +59,8 @@ ParseAndroidBootImg (
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+ ALIGN_VALUE (Header->KernelSize, Header->PageSize));
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}
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AsciiStrnCpyS (KernelArgs, BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs,
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BOOTIMG_KERNEL_ARGS_SIZE);
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AsciiStrnCpyS (KernelArgs, ANDROID_BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs,
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ANDROID_BOOTIMG_KERNEL_ARGS_SIZE);
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return EFI_SUCCESS;
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}
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@ -15,6 +15,7 @@
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#ifndef __ANDROID_FASTBOOT_APP_H__
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#define __ANDROID_FASTBOOT_APP_H__
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#include <Library/AndroidBootImgLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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@ -112,7 +112,7 @@ BootAndroidBootImg (
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)
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{
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EFI_STATUS Status;
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CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE];
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CHAR8 KernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE];
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VOID *Kernel;
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UINTN KernelSize;
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VOID *Ramdisk;
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@ -0,0 +1,58 @@
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/** @file
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Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
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Copyright (c) 2017, Linaro.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __ABOOTIMG_H__
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#define __ABOOTIMG_H__
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Uefi/UefiBaseType.h>
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#include <Uefi/UefiSpec.h>
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#define ANDROID_BOOTIMG_KERNEL_ARGS_SIZE 512
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#define ANDROID_BOOT_MAGIC "ANDROID!"
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#define ANDROID_BOOT_MAGIC_LENGTH (sizeof (ANDROID_BOOT_MAGIC) - 1)
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// No documentation for this really - sizes of fields has been determined
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// empirically.
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#pragma pack(1)
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/* https://android.googlesource.com/platform/system/core/+/master/mkbootimg/bootimg.h */
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typedef struct {
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UINT8 BootMagic[ANDROID_BOOT_MAGIC_LENGTH];
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UINT32 KernelSize;
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UINT32 KernelAddress;
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UINT32 RamdiskSize;
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UINT32 RamdiskAddress;
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UINT32 SecondStageBootloaderSize;
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UINT32 SecondStageBootloaderAddress;
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UINT32 KernelTaggsAddress;
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UINT32 PageSize;
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UINT32 Reserved[2];
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CHAR8 ProductName[16];
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CHAR8 KernelArgs[ANDROID_BOOTIMG_KERNEL_ARGS_SIZE];
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UINT32 Id[32];
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} ANDROID_BOOTIMG_HEADER;
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#pragma pack ()
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/* Check Val (unsigned) is a power of 2 (has only one bit set) */
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#define IS_POWER_OF_2(Val) ((Val) != 0 && (((Val) & ((Val) - 1)) == 0))
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/* Android boot image page size is not specified, but it should be power of 2
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* and larger than boot header */
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#define IS_VALID_ANDROID_PAGE_SIZE(Val) \
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(IS_POWER_OF_2(Val) && (Val > sizeof(ANDROID_BOOTIMG_HEADER)))
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#endif /* __ABOOTIMG_H__ */
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