Subversion Repositories HelenOS

Rev

Rev 2236 | Rev 2293 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2145 kebrt 1
/*
2152 kebrt 2
 * Copyright (c) 2007 Michal Kebrt
2145 kebrt 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 "asm.h"
31
#include "_components.h"
32
#include <printf.h>
33
 
2198 jancik 34
#include "mm.h"
2145 kebrt 35
 
2254 kebrt 36
#define KERNEL_VIRTUAL_ADDRESS 0x80100000
2145 kebrt 37
 
38
char *release = RELEASE;
39
 
40
#ifdef REVISION
41
    char *revision = ", revision " REVISION;
42
#else
43
    char *revision = "";
44
#endif
45
 
46
#ifdef TIMESTAMP
47
    char *timestamp = "\nBuilt on " TIMESTAMP;
48
#else
49
    char *timestamp = "";
50
#endif
51
 
52
/** Print version information. */
53
static void version_print(void)
54
{
55
    printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",
56
        release, revision, timestamp);
57
}
58
 
2254 kebrt 59
/** Copies all images to #KERNEL_VIRTUAL_ADDRESS and jumps there. */
2145 kebrt 60
void bootstrap(void)
61
{
2254 kebrt 62
    mmu_start();
2145 kebrt 63
    version_print();
64
 
65
    component_t components[COMPONENTS];
66
    bootinfo_t bootinfo;
67
    init_components(components);
68
 
69
    printf("\nMemory statistics\n");
2254 kebrt 70
    printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
2145 kebrt 71
    printf(" %L: boot info structure\n", &bootinfo);
72
 
73
    unsigned int i, j;
74
    for (i = 0; i < COMPONENTS; i++) {
75
        printf(" %L: %s image (size %d bytes)\n",
76
            components[i].start, components[i].name, components[i].size);
77
    }
78
 
79
    printf("\nCopying components\n");
80
    unsigned int top = 0;
81
    bootinfo.cnt = 0;
82
    for (i = 0; i < COMPONENTS; i++) {
83
        printf(" %s...", components[i].name);
84
        top = ALIGN_UP(top, PAGE_SIZE);
2254 kebrt 85
        memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
2145 kebrt 86
        if (i > 0) {
2254 kebrt 87
            bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
2145 kebrt 88
            bootinfo.tasks[bootinfo.cnt].size = components[i].size;
89
            bootinfo.cnt++;
90
        }
91
 
92
        top += components[i].size;
93
        printf("done.\n");
94
    }
2198 jancik 95
 
2145 kebrt 96
    printf("\nBooting the kernel...\n");
2254 kebrt 97
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
2145 kebrt 98
}
99