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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 "msim.h"
  32. #include "asm.h"
  33. #include "_components.h"
  34.  
  35. #define KERNEL_VIRTUAL_ADDRESS 0x80100000
  36.  
  37. char *release = RELEASE;
  38.  
  39. #ifdef REVISION
  40.     char *revision = ", revision " REVISION;
  41. #else
  42.     char *revision = "";
  43. #endif
  44.  
  45. #ifdef TIMESTAMP
  46.     char *timestamp = "\nBuilt on " TIMESTAMP;
  47. #else
  48.     char *timestamp = "";
  49. #endif
  50.  
  51. /** Print version information. */
  52. static void version_print(void)
  53. {
  54.     printf("HelenOS MIPS32 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp);
  55. }
  56.  
  57. void bootstrap(void)
  58. {
  59.     version_print();
  60.    
  61.     component_t components[COMPONENTS];
  62.     bootinfo_t bootinfo;
  63.     init_components(components);
  64.    
  65.     printf("\nMemory statistics\n");
  66.     printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
  67.     printf(" %L: boot info structure\n", &bootinfo);
  68.    
  69.     unsigned int i;
  70.     for (i = 0; i < COMPONENTS; i++)
  71.         printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
  72.    
  73.     printf("\nCopying components\n");
  74.     unsigned int top = 0;
  75.     bootinfo.cnt = 0;
  76.     for (i = 0; i < COMPONENTS; i++) {
  77.         printf(" %s...", components[i].name);
  78.         top = ALIGN_UP(top, PAGE_SIZE);
  79.         memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
  80.         if (i > 0) {
  81.             bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
  82.             bootinfo.tasks[bootinfo.cnt].size = components[i].size;
  83.             bootinfo.cnt++;
  84.         }
  85.         top += components[i].size;
  86.         printf("done.\n");
  87.     }
  88.    
  89.     printf("\nBooting the kernel...\n");
  90.     jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
  91. }
  92.