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/*
* 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 "util.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void bootimg_set_cmdline(boot_img_hdr_v2* h, const std::string& cmdline) {
if (cmdline.size() >= sizeof(h->cmdline)) die("command line too large: %zu", cmdline.size());
strcpy(reinterpret_cast<char*>(h->cmdline), cmdline.c_str());
}
boot_img_hdr_v2* mkbootimg(const std::vector<char>& kernel, const std::vector<char>& ramdisk,
const std::vector<char>& second, const std::vector<char>& dtb,
size_t base, const boot_img_hdr_v2& src, std::vector<char>* out) {
const size_t page_mask = src.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);
int64_t dtb_actual = (dtb.size() + page_mask) & (~page_mask);
int64_t bootimg_size =
header_actual + kernel_actual + ramdisk_actual + second_actual + dtb_actual;
out->resize(bootimg_size);
boot_img_hdr_v2* hdr = reinterpret_cast<boot_img_hdr_v2*>(out->data());
*hdr = src;
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;
hdr->ramdisk_addr += base;
hdr->second_addr += base;
hdr->tags_addr += base;
if (hdr->header_version == 1) {
hdr->header_size = sizeof(boot_img_hdr_v1);
} else if (hdr->header_version == 2) {
hdr->header_size = sizeof(boot_img_hdr_v2);
hdr->dtb_size = dtb.size();
hdr->dtb_addr += base;
}
memcpy(hdr->magic + hdr->page_size, kernel.data(), kernel.size());
memcpy(hdr->magic + hdr->page_size + kernel_actual, ramdisk.data(), ramdisk.size());
memcpy(hdr->magic + hdr->page_size + kernel_actual + ramdisk_actual, second.data(),
second.size());
memcpy(hdr->magic + hdr->page_size + kernel_actual + ramdisk_actual + second_actual, dtb.data(),
dtb.size());
return hdr;
}
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