The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * * Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * * Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in |
Anatol Pomazau | 5ae3f93 | 2012-02-28 07:21:08 -0800 | [diff] [blame] | 12 | * the documentation and/or other materials provided with the |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 13 | * distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 18 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 19 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
Anatol Pomazau | 5ae3f93 | 2012-02-28 07:21:08 -0800 | [diff] [blame] | 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 25 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
Elliott Hughes | 253c18d | 2015-03-18 22:47:09 -0700 | [diff] [blame] | 29 | #include "bootimg_utils.h" |
| 30 | |
Aaron Wisner | db51120 | 2018-06-26 15:38:35 -0500 | [diff] [blame] | 31 | #include "util.h" |
Elliott Hughes | aaa3b6b | 2018-01-18 16:08:24 -0800 | [diff] [blame] | 32 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 33 | #include <stdio.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <string.h> |
| 36 | |
Elliott Hughes | 577e8b4 | 2018-04-05 16:12:47 -0700 | [diff] [blame] | 37 | void bootimg_set_cmdline(boot_img_hdr_v1* h, const std::string& cmdline) { |
| 38 | if (cmdline.size() >= sizeof(h->cmdline)) die("command line too large: %zu", cmdline.size()); |
| 39 | strcpy(reinterpret_cast<char*>(h->cmdline), cmdline.c_str()); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 40 | } |
| 41 | |
Tom Cherry | dfd85df | 2018-09-20 14:45:05 -0700 | [diff] [blame^] | 42 | boot_img_hdr_v1* mkbootimg(const std::vector<char>& kernel, const std::vector<char>& ramdisk, |
| 43 | const std::vector<char>& second, size_t base, const boot_img_hdr_v1& src, |
| 44 | std::vector<char>* out) { |
Elliott Hughes | 577e8b4 | 2018-04-05 16:12:47 -0700 | [diff] [blame] | 45 | const size_t page_mask = src.page_size - 1; |
Anatol Pomazau | 5ae3f93 | 2012-02-28 07:21:08 -0800 | [diff] [blame] | 46 | |
Fernando Lugo | 91dfaec | 2018-04-11 19:02:59 -0700 | [diff] [blame] | 47 | int64_t header_actual = (sizeof(boot_img_hdr_v1) + page_mask) & (~page_mask); |
Tom Cherry | dfd85df | 2018-09-20 14:45:05 -0700 | [diff] [blame^] | 48 | int64_t kernel_actual = (kernel.size() + page_mask) & (~page_mask); |
| 49 | int64_t ramdisk_actual = (ramdisk.size() + page_mask) & (~page_mask); |
| 50 | int64_t second_actual = (second.size() + page_mask) & (~page_mask); |
Anatol Pomazau | 5ae3f93 | 2012-02-28 07:21:08 -0800 | [diff] [blame] | 51 | |
Tom Cherry | dfd85df | 2018-09-20 14:45:05 -0700 | [diff] [blame^] | 52 | int64_t bootimg_size = header_actual + kernel_actual + ramdisk_actual + second_actual; |
| 53 | out->resize(bootimg_size); |
Anatol Pomazau | 5ae3f93 | 2012-02-28 07:21:08 -0800 | [diff] [blame] | 54 | |
Tom Cherry | dfd85df | 2018-09-20 14:45:05 -0700 | [diff] [blame^] | 55 | boot_img_hdr_v1* hdr = reinterpret_cast<boot_img_hdr_v1*>(out->data()); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 56 | |
Elliott Hughes | 577e8b4 | 2018-04-05 16:12:47 -0700 | [diff] [blame] | 57 | *hdr = src; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 58 | memcpy(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE); |
Anatol Pomazau | 5ae3f93 | 2012-02-28 07:21:08 -0800 | [diff] [blame] | 59 | |
Tom Cherry | dfd85df | 2018-09-20 14:45:05 -0700 | [diff] [blame^] | 60 | hdr->kernel_size = kernel.size(); |
| 61 | hdr->ramdisk_size = ramdisk.size(); |
| 62 | hdr->second_size = second.size(); |
JP Abgrall | 7b8970c | 2013-03-07 17:06:41 -0800 | [diff] [blame] | 63 | |
Elliott Hughes | 577e8b4 | 2018-04-05 16:12:47 -0700 | [diff] [blame] | 64 | hdr->kernel_addr += base; |
| 65 | hdr->ramdisk_addr += base; |
| 66 | hdr->second_addr += base; |
| 67 | hdr->tags_addr += base; |
JP Abgrall | 7b8970c | 2013-03-07 17:06:41 -0800 | [diff] [blame] | 68 | |
Elliott Hughes | 577e8b4 | 2018-04-05 16:12:47 -0700 | [diff] [blame] | 69 | if (hdr->header_version != 0) { |
Hridya Valsaraju | 7d82413 | 2018-03-30 16:15:33 -0700 | [diff] [blame] | 70 | hdr->header_size = sizeof(boot_img_hdr_v1); |
| 71 | } |
| 72 | |
Tom Cherry | dfd85df | 2018-09-20 14:45:05 -0700 | [diff] [blame^] | 73 | memcpy(hdr->magic + hdr->page_size, kernel.data(), kernel.size()); |
| 74 | memcpy(hdr->magic + hdr->page_size + kernel_actual, ramdisk.data(), ramdisk.size()); |
| 75 | memcpy(hdr->magic + hdr->page_size + kernel_actual + ramdisk_actual, second.data(), |
| 76 | second.size()); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 77 | return hdr; |
| 78 | } |