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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 <align.h>
  32. #include <macros.h>
  33. #include "msim.h"
  34. #include "asm.h"
  35. #include "_components.h"
  36.  
  37. #define KERNEL_VIRTUAL_ADDRESS 0x80100000
  38.  
  39. char *release = STRING(RELEASE);
  40.  
  41. #ifdef REVISION
  42.     char *revision = ", revision " STRING(REVISION);
  43. #else
  44.     char *revision = "";
  45. #endif
  46.  
  47. #ifdef TIMESTAMP
  48.     char *timestamp = "\nBuilt on " STRING(TIMESTAMP);
  49. #else
  50.     char *timestamp = "";
  51. #endif
  52.  
  53. /** Print version information. */
  54. static void version_print(void)
  55. {
  56.     printf("HelenOS MIPS32 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp);
  57. }
  58.  
  59. void bootstrap(void)
  60. {
  61.     version_print();
  62.    
  63.     component_t components[COMPONENTS];
  64.     init_components(components);
  65.    
  66.     bootinfo_t bootinfo;
  67.    
  68.     printf("\nMemory statistics\n");
  69.     printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
  70.     printf(" %L: boot info structure\n", &bootinfo);
  71.    
  72.     unsigned int i;
  73.     for (i = 0; i < COMPONENTS; i++)
  74.         printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
  75.    
  76.     printf("\nCopying components\n");
  77.    
  78.     unsigned int top = 0;
  79.     bootinfo.cnt = 0;
  80.     for (i = 0; i < min(COMPONENTS, TASKMAP_MAX_RECORDS); i++) {
  81.         printf(" %s...", components[i].name);
  82.         top = ALIGN_UP(top, PAGE_SIZE);
  83.         memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
  84.         if (i > 0) {
  85.             bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
  86.             bootinfo.tasks[bootinfo.cnt].size = components[i].size;
  87.             bootinfo.cnt++;
  88.         }
  89.         top += components[i].size;
  90.         printf("done.\n");
  91.     }
  92.    
  93.     unsigned int *cpumap = (unsigned int *) CPUMAP;
  94.     bootinfo.cpumap = 0;
  95.     for (i = 0; i < CPUMAP_MAX_RECORDS; i++) {
  96.         if (cpumap[i] != 0)
  97.             bootinfo.cpumap |= (1 << i);
  98.     }
  99.    
  100.     printf("\nBooting the kernel...\n");
  101.     jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo);
  102. }
  103.