Subversion Repositories HelenOS

Rev

Rev 778 | Rev 820 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2
 * Copyright (C) 2001-2004 Jakub 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
 
29
#include <mm/frame.h>
30
#include <arch/mm/frame.h>
703 jermar 31
#include <mm/as.h>
1 jermar 32
#include <config.h>
267 decky 33
#include <arch/boot/boot.h>
139 cejka 34
#include <arch/boot/memmap.h>
368 jermar 35
#include <panic.h>
533 bondari 36
#include <debug.h>
540 jermar 37
#include <align.h>
814 palkovsky 38
#include <macros.h>
1 jermar 39
 
814 palkovsky 40
#include <print.h>
41
#include <console/cmd.h>
42
#include <console/kconsole.h>
43
 
44
 
267 decky 45
size_t hardcoded_unmapped_ktext_size = 0;
46
size_t hardcoded_unmapped_kdata_size = 0;
139 cejka 47
 
540 jermar 48
__address last_frame = 0;
49
 
814 palkovsky 50
static void init_e820_memory(pfn_t minconf)
51
{
52
    int i;
53
    pfn_t start, size,conf;
54
 
55
    for (i = 0; i < e820counter; i++) {
56
        if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
57
            start = ADDR2PFN(ALIGN_UP(e820table[i].base_address,
58
                          FRAME_SIZE));
59
            size = SIZE2PFN(ALIGN_DOWN(e820table[i].size,
60
                           FRAME_SIZE));
61
            if (minconf < start || minconf >= start+size)
62
                conf = start;
63
            else
64
                conf = minconf;
65
            zone_create(start,size, conf, 0);
66
            if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE))
67
                last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
68
        }          
69
    }
70
}
71
 
72
static int cmd_e820mem(cmd_arg_t *argv);
73
static cmd_info_t e820_info = {
74
    .name = "e820list",
75
    .description = "List e820 memory.",
76
    .func = cmd_e820mem,
77
    .argc = 0
78
};
79
 
80
static char *e820names[] = { "invalid", "available", "reserved",
81
                 "acpi", "nvs", "unusable" };
82
 
83
 
84
static int cmd_e820mem(cmd_arg_t *argv)
85
{
86
    int i;
87
    char *name;
88
 
89
    for (i = 0; i < e820counter; i++) {
90
        if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
91
            name = e820names[e820table[i].type];
92
        else
93
            name = "invalid";
94
        printf("%P %dB %s\n", e820table[i].base_address,
95
               e820table[i].size,
96
               name);
97
    }          
98
    return 0;
99
}
100
 
101
 
1 jermar 102
void frame_arch_init(void)
103
{
814 palkovsky 104
    static pfn_t minconf;
105
 
1 jermar 106
    if (config.cpu_active == 1) {
814 palkovsky 107
        cmd_initialize(&e820_info);
108
        cmd_register(&e820_info);
533 bondari 109
 
814 palkovsky 110
 
111
        minconf = 1;
112
#ifdef CONFIG_SMP
113
        minconf = max(minconf,
114
                  ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));
115
#endif
116
#ifdef CONFIG_SIMICS_FIX
117
        minconf = max(minconf, ADDR2PFN(0x10000));
118
#endif
119
        init_e820_memory(minconf);
120
 
533 bondari 121
        /* Reserve frame 0 (BIOS data) */
814 palkovsky 122
        frame_mark_unavailable(0, 1);
533 bondari 123
 
693 decky 124
#ifdef CONFIG_SMP
125
        /* Reserve AP real mode bootstrap memory */
814 palkovsky 126
        frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
127
                       (hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
778 palkovsky 128
 
129
#ifdef CONFIG_SIMICS_FIX
130
        /* Don't know why, but this addresses help */
814 palkovsky 131
        frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
693 decky 132
#endif
778 palkovsky 133
#endif
1 jermar 134
    }
135
}