Subversion Repositories HelenOS

Rev

Rev 2721 | Rev 3908 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2701 jermar 2
 * Copyright (c) 2008 Jakub Jermar
1 jermar 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
 
1888 jermar 29
/** @addtogroup ia32mm 
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 * @ingroup ia32mm, amd64mm
34
 */
35
 
1 jermar 36
#include <mm/frame.h>
37
#include <arch/mm/frame.h>
703 jermar 38
#include <mm/as.h>
1 jermar 39
#include <config.h>
267 decky 40
#include <arch/boot/boot.h>
139 cejka 41
#include <arch/boot/memmap.h>
368 jermar 42
#include <panic.h>
533 bondari 43
#include <debug.h>
540 jermar 44
#include <align.h>
814 palkovsky 45
#include <macros.h>
1 jermar 46
 
814 palkovsky 47
#include <print.h>
48
 
267 decky 49
size_t hardcoded_unmapped_ktext_size = 0;
50
size_t hardcoded_unmapped_kdata_size = 0;
139 cejka 51
 
1780 jermar 52
uintptr_t last_frame = 0;
540 jermar 53
 
814 palkovsky 54
static void init_e820_memory(pfn_t minconf)
55
{
2721 decky 56
    unsigned int i;
820 jermar 57
    pfn_t start, conf;
58
    size_t size;
814 palkovsky 59
 
60
    for (i = 0; i < e820counter; i++) {
61
        if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
2702 decky 62
            start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));
63
            size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));
2721 decky 64
 
2697 decky 65
            if ((minconf < start) || (minconf >= start + size))
814 palkovsky 66
                conf = start;
67
            else
68
                conf = minconf;
2721 decky 69
 
820 jermar 70
            zone_create(start, size, conf, 0);
2721 decky 71
 
2701 jermar 72
            if (last_frame < ALIGN_UP(e820table[i].base_address +
73
                e820table[i].size, FRAME_SIZE))
74
                last_frame =
2702 decky 75
                    ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
814 palkovsky 76
        }          
77
    }
78
}
79
 
2702 decky 80
static char *e820names[] = {
81
    "invalid",
82
    "available",
83
    "reserved",
84
    "acpi",
85
    "nvs",
86
    "unusable"
87
};
814 palkovsky 88
 
89
 
2721 decky 90
void physmem_print(void)
814 palkovsky 91
{
2712 decky 92
    unsigned int i;
814 palkovsky 93
    char *name;
2712 decky 94
 
95
    printf("Base               Size               Name\n");
96
    printf("------------------ ------------------ ---------\n");
97
 
814 palkovsky 98
    for (i = 0; i < e820counter; i++) {
99
        if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
100
            name = e820names[e820table[i].type];
101
        else
102
            name = "invalid";
2712 decky 103
 
104
        printf("%#18llx %#18llx %s\n", e820table[i].base_address,
105
            e820table[i].size, name);
2723 decky 106
    }
814 palkovsky 107
}
108
 
109
 
1 jermar 110
void frame_arch_init(void)
111
{
2721 decky 112
    pfn_t minconf;
2697 decky 113
 
1 jermar 114
    if (config.cpu_active == 1) {
814 palkovsky 115
        minconf = 1;
116
#ifdef CONFIG_SMP
117
        minconf = max(minconf,
2721 decky 118
            ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +
119
            hardcoded_unmapped_kdata_size));
814 palkovsky 120
#endif
121
#ifdef CONFIG_SIMICS_FIX
122
        minconf = max(minconf, ADDR2PFN(0x10000));
123
#endif
124
        init_e820_memory(minconf);
125
 
533 bondari 126
        /* Reserve frame 0 (BIOS data) */
814 palkovsky 127
        frame_mark_unavailable(0, 1);
533 bondari 128
 
693 decky 129
#ifdef CONFIG_SMP
130
        /* Reserve AP real mode bootstrap memory */
814 palkovsky 131
        frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
2721 decky 132
            (hardcoded_unmapped_ktext_size +
133
            hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
778 palkovsky 134
 
135
#ifdef CONFIG_SIMICS_FIX
1793 jermar 136
        /* Don't know why, but these addresses help */
2697 decky 137
        frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3);
693 decky 138
#endif
778 palkovsky 139
#endif
1 jermar 140
    }
141
}
1702 cejka 142
 
1888 jermar 143
/** @}
1702 cejka 144
 */