Subversion Repositories HelenOS

Rev

Rev 2927 | Rev 4342 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1018 decky 1
/*
2071 jermar 2
 * Copyright (c) 2005 Martin Decky
1018 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" 
1764 jermar 30
#include <printf.h>
1018 decky 31
#include "msim.h"
32
#include "asm.h"
1685 decky 33
#include "_components.h"
1018 decky 34
 
35
#define KERNEL_VIRTUAL_ADDRESS 0x80100000
36
 
1998 decky 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
{
2071 jermar 54
    printf("HelenOS MIPS32 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp);
1998 decky 55
}
56
 
1018 decky 57
void bootstrap(void)
58
{
1998 decky 59
    version_print();
1018 decky 60
 
1685 decky 61
    component_t components[COMPONENTS];
62
    init_components(components);
63
 
3107 svoboda 64
    bootinfo_t bootinfo;
65
 
1685 decky 66
    printf("\nMemory statistics\n");
67
    printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
68
    printf(" %L: boot info structure\n", &bootinfo);
69
 
70
    unsigned int i;
71
    for (i = 0; i < COMPONENTS; i++)
72
        printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
73
 
74
    printf("\nCopying components\n");
75
    unsigned int top = 0;
76
    bootinfo.cnt = 0;
77
    for (i = 0; i < COMPONENTS; i++) {
78
        printf(" %s...", components[i].name);
79
        top = ALIGN_UP(top, PAGE_SIZE);
80
        memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
81
        if (i > 0) {
82
            bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
83
            bootinfo.tasks[bootinfo.cnt].size = components[i].size;
84
            bootinfo.cnt++;
85
        }
86
        top += components[i].size;
87
        printf("done.\n");
1018 decky 88
    }
89
 
90
    printf("\nBooting the kernel...\n");
1685 decky 91
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
1018 decky 92
}