boot/arch/sparc64/loader/main.c

   1 /*
   2  * Copyright (C) 2005 Martin Decky
   3  * Copyright (C) 2006 Jakub Jermar
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright
  11  *   notice, this list of conditions and the following disclaimer.
  12  * - Redistributions in binary form must reproduce the above copyright
  13  *   notice, this list of conditions and the following disclaimer in the
  14  *   documentation and/or other materials provided with the distribution.
  15  * - The name of the author may not be used to endorse or promote products
  16  *   derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "main.h"
  31 #include <printf.h>
  32 #include "asm.h"
  33 #include "_components.h"
  34 #include <balloc.h>
  35 #include <ofw.h>
  36 #include <ofw_tree.h>
  37 #include "ofwarch.h"
  38 #include <align.h>
  39
  40 bootinfo_t bootinfo;
  41 component_t components[COMPONENTS];
  42
  43 void bootstrap(void)
  44 {
  45         printf("HelenOS SPARC64 Bootloader\n");
  46
  47         init_components(components);
  48
  49         if (!ofw_memmap(&bootinfo.memmap)) {
  50                 printf("Error: unable to get memory map, halting.\n");
  51                 halt();
  52         }
  53
  54         if (bootinfo.memmap.total == 0) {
  55                 printf("Error: no memory detected, halting.\n");
  56                 halt();
  57         }
  58
  59         printf("\nSystem info\n");
  60         printf(" memory: %dM\n", bootinfo.memmap.total>>20);
  61
  62         printf("\nMemory statistics\n");
  63         printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
  64         printf(" %P: boot info structure\n", &bootinfo);
  65
  66         unsigned int i;
  67         for (i = 0; i < COMPONENTS; i++)
  68                 printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
  69
  70         void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
  71         unsigned int top = 0;
  72
  73         printf("\nCopying components\n");
  74         bootinfo.taskmap.count = 0;
  75         for (i = 0; i < COMPONENTS; i++) {
  76                 printf(" %s...", components[i].name);
  77                 top = ALIGN_UP(top, PAGE_SIZE);
  78                 memcpy(base + top, components[i].start, components[i].size);
  79                 if (i > 0) {
  80                         bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
  81                         bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
  82                         bootinfo.taskmap.count++;
  83                 }
  84                 top += components[i].size;
  85                 printf("done.\n");
  86         }
  87
  88         balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));
  89
  90         printf("\nCanonizing OpenFirmware device tree...");
  91         bootinfo.ofw_root = ofw_tree_build();
  92         printf("done.\n");
  93
  94         printf("\nChecking for secondary processors...");
  95         if (!ofw_cpu())
  96                 printf("Error: unable to get cpu properties\n");
  97         printf("done.\n");
  98
  99         printf("\nBooting the kernel...\n");
 100         jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, 1, &bootinfo, sizeof(bootinfo));
 101 }