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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:29:04 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:29:04 -0800
commite54eebbf1a908d65ee8cf80bab62821c05666d70 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /mkbootimg/bootimg.h
parenta1e1c1b106423de09bc918502e7a51d4ffe5a4ae (diff)
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auto import from //depot/cupcake/@135843
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diff --git a/mkbootimg/bootimg.h b/mkbootimg/bootimg.h
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-/* tools/mkbootimg/bootimg.h
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef _BOOT_IMAGE_H_
-#define _BOOT_IMAGE_H_
-
-typedef struct boot_img_hdr boot_img_hdr;
-
-#define BOOT_MAGIC "ANDROID!"
-#define BOOT_MAGIC_SIZE 8
-#define BOOT_NAME_SIZE 16
-#define BOOT_ARGS_SIZE 512
-
-struct boot_img_hdr
-{
- unsigned char magic[BOOT_MAGIC_SIZE];
-
- unsigned kernel_size; /* size in bytes */
- unsigned kernel_addr; /* physical load addr */
-
- unsigned ramdisk_size; /* size in bytes */
- unsigned ramdisk_addr; /* physical load addr */
-
- unsigned second_size; /* size in bytes */
- unsigned second_addr; /* physical load addr */
-
- unsigned tags_addr; /* physical addr for kernel tags */
- unsigned page_size; /* flash page size we assume */
- unsigned unused[2]; /* future expansion: should be 0 */
-
- unsigned char name[BOOT_NAME_SIZE]; /* asciiz product name */
-
- unsigned char cmdline[BOOT_ARGS_SIZE];
-
- unsigned id[8]; /* timestamp / checksum / sha1 / etc */
-};
-
-/*
-** +-----------------+
-** | boot header | 1 page
-** +-----------------+
-** | kernel | n pages
-** +-----------------+
-** | ramdisk | m pages
-** +-----------------+
-** | second stage | o pages
-** +-----------------+
-**
-** n = (kernel_size + page_size - 1) / page_size
-** m = (ramdisk_size + page_size - 1) / page_size
-** o = (second_size + page_size - 1) / page_size
-**
-** 0. all entities are page_size aligned in flash
-** 1. kernel and ramdisk are required (size != 0)
-** 2. second is optional (second_size == 0 -> no second)
-** 3. load each element (kernel, ramdisk, second) at
-** the specified physical address (kernel_addr, etc)
-** 4. prepare tags at tag_addr. kernel_args[] is
-** appended to the kernel commandline in the tags.
-** 5. r0 = 0, r1 = MACHINE_TYPE, r2 = tags_addr
-** 6. if second_size != 0: jump to second_addr
-** else: jump to kernel_addr
-*/
-
-#if 0
-typedef struct ptentry ptentry;
-
-struct ptentry {
- char name[16]; /* asciiz partition name */
- unsigned start; /* starting block number */
- unsigned length; /* length in blocks */
- unsigned flags; /* set to zero */
-};
-
-/* MSM Partition Table ATAG
-**
-** length: 2 + 7 * n
-** atag: 0x4d534d70
-** <ptentry> x n
-*/
-#endif
-
-#endif