blob: 2e8c334dc7b74d5b286feb393a5467b181ccac76 [file] [log] [blame] [edit]
/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "bootimg_utils.h"
#include "fastboot.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void bootimg_set_cmdline(boot_img_hdr_v1* h, const char* cmdline) {
if (strlen(cmdline) >= sizeof(h->cmdline)) die("command line too large: %zu", strlen(cmdline));
strcpy(reinterpret_cast<char*>(h->cmdline), cmdline);
}
boot_img_hdr_v1* mkbootimg(void* kernel, int64_t kernel_size, off_t kernel_offset, void* ramdisk,
int64_t ramdisk_size, off_t ramdisk_offset, void* second,
int64_t second_size, off_t second_offset, size_t page_size, size_t base,
off_t tags_offset, uint32_t header_version, int64_t* bootimg_size) {
size_t page_mask = page_size - 1;
int64_t header_actual = (sizeof(boot_img_hdr_v1) + page_mask) & (~page_mask);
int64_t kernel_actual = (kernel_size + page_mask) & (~page_mask);
int64_t ramdisk_actual = (ramdisk_size + page_mask) & (~page_mask);
int64_t second_actual = (second_size + page_mask) & (~page_mask);
*bootimg_size = header_actual + kernel_actual + ramdisk_actual + second_actual;
boot_img_hdr_v1* hdr = reinterpret_cast<boot_img_hdr_v1*>(calloc(*bootimg_size, 1));
if (hdr == nullptr) {
return hdr;
}
memcpy(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE);
hdr->kernel_size = kernel_size;
hdr->ramdisk_size = ramdisk_size;
hdr->second_size = second_size;
hdr->kernel_addr = base + kernel_offset;
hdr->ramdisk_addr = base + ramdisk_offset;
hdr->second_addr = base + second_offset;
hdr->tags_addr = base + tags_offset;
hdr->page_size = page_size;
if (header_version) {
hdr->header_version = header_version;
hdr->header_size = sizeof(boot_img_hdr_v1);
}
memcpy(hdr->magic + page_size, kernel, kernel_size);
memcpy(hdr->magic + page_size + kernel_actual, ramdisk, ramdisk_size);
memcpy(hdr->magic + page_size + kernel_actual + ramdisk_actual, second, second_size);
return hdr;
}