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