diff options
4 files changed, 65 insertions, 31 deletions
diff --git a/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c b/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c index f3e770bcc9..2f7f093ed8 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 f62660feb7..e4c5aa3c67 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 f446cce285..1d9024b1ce 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 0000000000..06da751181 --- /dev/null +++ b/EmbeddedPkg/Include/Library/AndroidBootImgLib.h @@ -0,0 +1,58 @@ +/** @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)
+
+// No documentation for this really - sizes of fields has been determined
+// empirically.
+#pragma pack(1)
+/* https://android.googlesource.com/platform/system/core/+/master/mkbootimg/bootimg.h */
+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;
+#pragma pack ()
+
+/* 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)))
+#endif /* __ABOOTIMG_H__ */
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