Subversion Repositories HelenOS-historic

/*
 * Copyright (C) 2005 Martin Decky
 * 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "main.h" 
#include "printf.h"
#include "msim.h"
#include "asm.h"

#define KERNEL_VIRTUAL_ADDRESS 0x80100000
#define KERNEL_START &_binary_____________kernel_kernel_bin_start
#define KERNEL_END &_binary_____________kernel_kernel_bin_end
#define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START)

void bootstrap(void)
{
    printf("HelenOS MIPS Bootloader\n");
    printf("loaded at %L\n", &start);
    printf("kernel memory at %L (size %d bytes)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_SIZE);
    
    // TODO: implement memcpy
    int i;
    for (i = 0; i < KERNEL_SIZE; i++) {
        if (i % 4096 == 0)
            printf(".");
        ((char *) KERNEL_VIRTUAL_ADDRESS)[i] = ((char *) KERNEL_START)[i];
    }
    
    printf("\nBooting the kernel...\n");
    
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS);
}