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  1. /*
  2.  * Copyright (C) 2005 Martin Decky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include "main.h"
  30. #include "printf.h"
  31. #include "ofw.h"
  32. #include "asm.h"
  33.  
  34. #define KERNEL_LOAD_ADDRESS 0x800000
  35. #define KERNEL_START &_binary_____________kernel_kernel_bin_start
  36. #define KERNEL_END &_binary_____________kernel_kernel_bin_end
  37. #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START)
  38.  
  39. void bootstrap(void)
  40. {
  41.     printf("\nHelenOS PPC Bootloader\nLoaded at %L\nKernel size %d bytes, load address %L\n", &start, KERNEL_SIZE, KERNEL_LOAD_ADDRESS);
  42.    
  43.     void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1);
  44.     if (addr == NULL) {
  45.         printf("Error: Unable to claim memory");
  46.         halt();
  47.     }
  48.     printf("Claimed memory at %L\n", addr);
  49.     memcpy(addr, KERNEL_START, KERNEL_SIZE);
  50.    
  51.     printf("Booting the kernel...\n");
  52.     jump_to_kernel(addr);
  53. }
  54.