Subversion Repositories HelenOS

Rev

Rev 1965 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1018 decky 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"
1685 decky 33
#include "_components.h"
1018 decky 34
 
35
#define KERNEL_VIRTUAL_ADDRESS 0x80100000
36
 
37
void bootstrap(void)
38
{
39
    printf("HelenOS MIPS Bootloader\n");
40
 
1685 decky 41
    component_t components[COMPONENTS];
42
    bootinfo_t bootinfo;
43
    init_components(components);
44
 
45
    printf("\nMemory statistics\n");
46
    printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
47
    printf(" %L: boot info structure\n", &bootinfo);
48
 
49
    unsigned int i;
50
    for (i = 0; i < COMPONENTS; i++)
51
        printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
52
 
53
    printf("\nCopying components\n");
54
    unsigned int top = 0;
55
    bootinfo.cnt = 0;
56
    for (i = 0; i < COMPONENTS; i++) {
57
        printf(" %s...", components[i].name);
58
        top = ALIGN_UP(top, PAGE_SIZE);
59
        memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
60
        if (i > 0) {
61
            bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
62
            bootinfo.tasks[bootinfo.cnt].size = components[i].size;
63
            bootinfo.cnt++;
64
        }
65
        top += components[i].size;
66
        printf("done.\n");
1018 decky 67
    }
68
 
69
    printf("\nBooting the kernel...\n");
1685 decky 70
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
1018 decky 71
}