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1018 decky 1
/*
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 * Copyright (C) 2005 Martin Decky
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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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 *
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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 the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "main.h" 
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#include "printf.h"
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#include "msim.h"
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#include "asm.h"
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#define KERNEL_VIRTUAL_ADDRESS 0x80100000
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#define KERNEL_START &_binary_____________kernel_kernel_bin_start
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#define KERNEL_END &_binary_____________kernel_kernel_bin_end
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#define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START)
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void bootstrap(void)
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{
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    printf("HelenOS MIPS Bootloader\n");
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    printf("loaded at %L\n", &start);
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    printf("kernel memory at %L (size %d bytes)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_SIZE);
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    // TODO: implement memcpy
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    int i;
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    for (i = 0; i < KERNEL_SIZE; i++) {
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        if (i % 4096 == 0)
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            printf(".");
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        ((char *) KERNEL_VIRTUAL_ADDRESS)[i] = ((char *) KERNEL_START)[i];
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    }
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    printf("\nBooting the kernel...\n");
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    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS);
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}