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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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <bootimg.h>
void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline)
{
strcpy((char*) h->cmdline, cmdline);
}
boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size, unsigned kernel_offset,
void *ramdisk, unsigned ramdisk_size, unsigned ramdisk_offset,
void *second, unsigned second_size, unsigned second_offset,
unsigned page_size, unsigned base, unsigned tags_offset,
unsigned *bootimg_size)
{
unsigned kernel_actual;
unsigned ramdisk_actual;
unsigned second_actual;
unsigned page_mask;
boot_img_hdr *hdr;
page_mask = page_size - 1;
kernel_actual = (kernel_size + page_mask) & (~page_mask);
ramdisk_actual = (ramdisk_size + page_mask) & (~page_mask);
second_actual = (second_size + page_mask) & (~page_mask);
*bootimg_size = page_size + kernel_actual + ramdisk_actual + second_actual;
hdr = calloc(*bootimg_size, 1);
if(hdr == 0) {
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;
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;
}
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