Subversion Repositories HelenOS-historic

Rev

Rev 1018 | Rev 1763 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1018 Rev 1685
1 
/*
 1 
/*
2 
 * Copyright (C) 2005 Martin Decky
 2 
 * Copyright (C) 2005 Martin Decky
3 
 * All rights reserved.
 3 
 * All rights reserved.
4 
 *
 4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
 5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions
 6 
 * modification, are permitted provided that the following conditions
7 
 * are met:
 7 
 * are met:
8 
 *
 8 
 *
9 
 * - Redistributions of source code must retain the above copyright
 9 
 * - Redistributions of source code must retain the above copyright
10 
 *   notice, this list of conditions and the following disclaimer.
 10 
 *   notice, this list of conditions and the following disclaimer.
11 
 * - Redistributions in binary form must reproduce the above copyright
 11 
 * - Redistributions in binary form must reproduce the above copyright
12 
 *   notice, this list of conditions and the following disclaimer in the
 12 
 *   notice, this list of conditions and the following disclaimer in the
13 
 *   documentation and/or other materials provided with the distribution.
 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
 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.
 15 
 *   derived from this software without specific prior written permission.
16 
 *
 16 
 *
17 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 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
 18 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 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
 23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 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
 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.
 26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
 27 
 */
28 
 
 28 
 
29 
#include "main.h"
29 
#include "main.h"
30 
#include "printf.h"
 30 
#include "printf.h"
31 
#include "msim.h"
 31 
#include "msim.h"
32 
#include "asm.h"
 32 
#include "asm.h"
- 
 
 33 
#include "_components.h"
33 
 
 34 
 
34 
#define KERNEL_VIRTUAL_ADDRESS 0x80100000
 35 
#define KERNEL_VIRTUAL_ADDRESS 0x80100000
35 
#define KERNEL_START &_binary_____________kernel_kernel_bin_start
 - 
 
36 
#define KERNEL_END &_binary_____________kernel_kernel_bin_end
 - 
 
37 
#define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START)
 - 
 
38 
 
 36 
 
39 
void bootstrap(void)
 37 
void bootstrap(void)
40 
{
 38 
{
41 
    printf("HelenOS MIPS Bootloader\n");
 39 
    printf("HelenOS MIPS Bootloader\n");
42 
    printf("loaded at %L\n", &start);
 - 
 
43 
    printf("kernel memory at %L (size %d bytes)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_SIZE);
 - 
 
44 
   
 40 
   
- 
 
 41 
    component_t components[COMPONENTS];
- 
 
 42 
    bootinfo_t bootinfo;
45 
    // TODO: implement memcpy
 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 
   
46 
    int i;
 49 
    unsigned int i;
47 
    for (i = 0; i < KERNEL_SIZE; 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");
48 
        if (i % 4096 == 0)
 54 
    unsigned int top = 0;
49 
            printf(".");
 55 
    bootinfo.cnt = 0;
- 
 
 56 
    for (i = 0; i < COMPONENTS; i++) {
- 
 
 57 
        printf(" %s...", components[i].name);
- 
 
 58 
        top = ALIGN_UP(top, PAGE_SIZE);
50 
        ((char *) KERNEL_VIRTUAL_ADDRESS)[i] = ((char *) KERNEL_START)[i];
 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");
51 
    }
 67 
    }
52 
   
 68 
   
53 
    printf("\nBooting the kernel...\n");
 69 
    printf("\nBooting the kernel...\n");
54 
   
 - 
 
55 
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS);
 70 
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
56 
}
 71 
}
57 
 
 72