Subversion Repositories c0or1k

/*******************************************************************************

* Filename:    src/main.c                                                      *

* Description: Elf-loader - ELF file kernel/application bootstraper, header    *

*              file defining the architecture specific functions required.     *

* Authors:     Adam 'WeirdArms' Wiggins <awiggins@cse.unsw.edu.au>.            *

* Created:     2004-12-01                                                      *

********************************************************************************

*                                                                              *

* Australian Public Licence B (OZPLB)                                          *

*                                                                              *

* Version 1-0                                                                  *

*                                                                              *

* Copyright (c) 2004 - 2005 University of New South Wales, Australia           *

*                                                                              *

* All rights reserved.                                                         *

*                                                                              *

* Developed by: Operating Systems, Embedded and                                *

*               Distributed Systems Group (DiSy)                               *

*               University of New South Wales                                  *

*               http://www.disy.cse.unsw.edu.au                                *

*                                                                              *

* Permission is granted by University of New South Wales, free of charge, to   *

* any person obtaining a copy of this software and any associated              *

* documentation files (the "Software") to deal with the Software without       *

* restriction, including (without limitation) the rights to use, copy,         *

* modify, adapt, merge, publish, distribute, communicate to the public,        *

* sublicense, and/or sell, lend or rent out copies of the Software, and        *

* to permit persons to whom the Software is furnished to do so, subject        *

* to the following conditions:                                                 *

*                                                                              *

*     * Redistributions of source code must retain the above copyright         *

*       notice, this list of conditions and the following disclaimers.         *

*                                                                              *

*     * Redistributions in binary form must reproduce the above                *

*       copyright notice, this list of conditions and the following            *

*       disclaimers in the documentation and/or other materials provided       *

*       with the distribution.                                                 *

*                                                                              *

*     * Neither the name of University of New South Wales, nor the names of    *

*        its contributors, may be used to endorse or promote products derived  *

*       from this Software without specific prior written permission.          *

*                                                                              *

* EXCEPT AS EXPRESSLY STATED IN THIS LICENCE AND TO THE FULL EXTENT            *

* PERMITTED BY APPLICABLE LAW, THE SOFTWARE IS PROVIDED "AS-IS", AND           *

* NATIONAL ICT AUSTRALIA AND ITS CONTRIBUTORS MAKE NO REPRESENTATIONS,         *

* WARRANTIES OR CONDITIONS OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING          *

* BUT NOT LIMITED TO ANY REPRESENTATIONS, WARRANTIES OR CONDITIONS             *

* REGARDING THE CONTENTS OR ACCURACY OF THE SOFTWARE, OR OF TITLE,             *

* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT,          *

* THE ABSENCE OF LATENT OR OTHER DEFECTS, OR THE PRESENCE OR ABSENCE OF        *

* ERRORS, WHETHER OR NOT DISCOVERABLE.                                         *

*                                                                              *

* TO THE FULL EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL            *

* NATIONAL ICT AUSTRALIA OR ITS CONTRIBUTORS BE LIABLE ON ANY LEGAL            *

* THEORY (INCLUDING, WITHOUT LIMITATION, IN AN ACTION OF CONTRACT,             *

* NEGLIGENCE OR OTHERWISE) FOR ANY CLAIM, LOSS, DAMAGES OR OTHER               *

* LIABILITY, INCLUDING (WITHOUT LIMITATION) LOSS OF PRODUCTION OR              *

* OPERATION TIME, LOSS, DAMAGE OR CORRUPTION OF DATA OR RECORDS; OR LOSS       *

* OF ANTICIPATED SAVINGS, OPPORTUNITY, REVENUE, PROFIT OR GOODWILL, OR         *

* OTHER ECONOMIC LOSS; OR ANY SPECIAL, INCIDENTAL, INDIRECT,                   *

* CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES, ARISING OUT OF OR IN           *

* CONNECTION WITH THIS LICENCE, THE SOFTWARE OR THE USE OF OR OTHER            *

* DEALINGS WITH THE SOFTWARE, EVEN IF NATIONAL ICT AUSTRALIA OR ITS            *

* CONTRIBUTORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH CLAIM, LOSS,       *

* DAMAGES OR OTHER LIABILITY.                                                  *

*                                                                              *

* If applicable legislation implies representations, warranties, or            *

* conditions, or imposes obligations or liability on University of New South   *

* Wales or one of its contributors in respect of the Software that             *

* cannot be wholly or partly excluded, restricted or modified, the             *

* liability of University of New South Wales or the contributor is limited, to *

* the full extent permitted by the applicable legislation, at its              *

* option, to:                                                                  *

* a.  in the case of goods, any one or more of the following:                  *

* i.  the replacement of the goods or the supply of equivalent goods;          *

* ii.  the repair of the goods;                                                *

* iii. the payment of the cost of replacing the goods or of acquiring          *

*  equivalent goods;                                                           *

* iv.  the payment of the cost of having the goods repaired; or                *

* b.  in the case of services:                                                 *

* i.  the supplying of the services again; or                                  *

* ii.  the payment of the cost of having the services supplied again.          *

*                                                                              *

* The construction, validity and performance of this licence is governed       *

* by the laws in force in New South Wales, Australia.                          *

*                                                                              *

*******************************************************************************/

/** It is assumed that the either the boot loader or the baremetal

 *  crt0.S has initialised the whatever console provides printf based

 *  output.

 */

/** arch_init() This function conducts architecture specific

 *  initialisation of the machine to prep it for loading of the kernel

 *  and application images from the dite generated elf file.

 */

void arch_init(void);

/** arch_start_kernel() This function carries out any architecture

 *  specific post-image-loading initialisation and jumps to the

 *  kernel's entry point.

 *

 *  entry - The entry point of the kernel,

 */

void arch_start_kernel(void* entry);

#ifdef __PPC64__

#include <elf/elf.h>

int arch_claim_memory(struct Elf32_Header*);

#endif