bootimg.c revision dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0
1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * All rights reserved. 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Redistribution and use in source and binary forms, with or without 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * modification, are permitted provided that the following conditions 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * are met: 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * * Redistributions of source code must retain the above copyright 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer. 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * * Redistributions in binary form must reproduce the above copyright 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer in 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * the documentation and/or other materials provided with the 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * distribution. 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * SUCH DAMAGE. 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <bootimg.h> 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline) 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcpy((char*) h->cmdline, cmdline); 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectboot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size, 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project void *ramdisk, unsigned ramdisk_size, 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project void *second, unsigned second_size, 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned page_size, 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned *bootimg_size) 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned kernel_actual; 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned ramdisk_actual; 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned second_actual; 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned page_mask; 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project boot_img_hdr *hdr; 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project page_mask = page_size - 1; 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project kernel_actual = (kernel_size + page_mask) & (~page_mask); 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ramdisk_actual = (ramdisk_size + page_mask) & (~page_mask); 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project second_actual = (second_size + page_mask) & (~page_mask); 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *bootimg_size = page_size + kernel_actual + ramdisk_actual + second_actual; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr = calloc(*bootimg_size, 1); 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(hdr == 0) { 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return hdr; 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE); 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->kernel_size = kernel_size; 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->kernel_addr = 0x10008000; 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->ramdisk_size = ramdisk_size; 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->ramdisk_addr = 0x11000000; 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->second_size = second_size; 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->second_addr = 0x10F00000; 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->tags_addr = 0x10000100; 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project hdr->page_size = page_size; 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(hdr->magic + page_size, 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project kernel, kernel_size); 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(hdr->magic + page_size + kernel_actual, 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ramdisk, ramdisk_size); 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(hdr->magic + page_size + kernel_actual + ramdisk_actual, 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project second, second_size); 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return hdr; 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 86