Subversion Repositories HelenOS

Rev

Rev 2071 | Rev 2697 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2001-2004 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
#include <console/cmd.h>
49
#include <console/kconsole.h>
50
 
267 decky 51
size_t hardcoded_unmapped_ktext_size = 0;
52
size_t hardcoded_unmapped_kdata_size = 0;
139 cejka 53
 
1780 jermar 54
uintptr_t last_frame = 0;
540 jermar 55
 
814 palkovsky 56
static void init_e820_memory(pfn_t minconf)
57
{
58
    int i;
820 jermar 59
    pfn_t start, conf;
60
    size_t size;
814 palkovsky 61
 
62
    for (i = 0; i < e820counter; i++) {
63
        if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
64
            start = ADDR2PFN(ALIGN_UP(e820table[i].base_address,
65
                          FRAME_SIZE));
820 jermar 66
            size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size,
814 palkovsky 67
                           FRAME_SIZE));
2087 jermar 68
            if (minconf < start || minconf >= start + size)
814 palkovsky 69
                conf = start;
70
            else
71
                conf = minconf;
820 jermar 72
            zone_create(start, size, conf, 0);
814 palkovsky 73
            if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE))
74
                last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
75
        }          
76
    }
77
}
78
 
79
static int cmd_e820mem(cmd_arg_t *argv);
80
static cmd_info_t e820_info = {
81
    .name = "e820list",
82
    .description = "List e820 memory.",
83
    .func = cmd_e820mem,
84
    .argc = 0
85
};
86
 
87
static char *e820names[] = { "invalid", "available", "reserved",
88
                 "acpi", "nvs", "unusable" };
89
 
90
 
91
static int cmd_e820mem(cmd_arg_t *argv)
92
{
93
    int i;
94
    char *name;
95
 
96
    for (i = 0; i < e820counter; i++) {
97
        if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
98
            name = e820names[e820table[i].type];
99
        else
100
            name = "invalid";
1224 cejka 101
        printf("%.*p %#.16llXB %s\n",
1780 jermar 102
            sizeof(unative_t) * 2,
103
               (unative_t) e820table[i].base_address,
104
               (uint64_t) e820table[i].size,
814 palkovsky 105
               name);
106
    }          
107
    return 0;
108
}
109
 
110
 
1 jermar 111
void frame_arch_init(void)
112
{
814 palkovsky 113
    static pfn_t minconf;
114
 
1 jermar 115
    if (config.cpu_active == 1) {
814 palkovsky 116
        cmd_initialize(&e820_info);
117
        cmd_register(&e820_info);
533 bondari 118
 
814 palkovsky 119
 
120
        minconf = 1;
121
#ifdef CONFIG_SMP
122
        minconf = max(minconf,
123
                  ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));
124
#endif
125
#ifdef CONFIG_SIMICS_FIX
126
        minconf = max(minconf, ADDR2PFN(0x10000));
127
#endif
128
        init_e820_memory(minconf);
129
 
533 bondari 130
        /* Reserve frame 0 (BIOS data) */
814 palkovsky 131
        frame_mark_unavailable(0, 1);
533 bondari 132
 
693 decky 133
#ifdef CONFIG_SMP
134
        /* Reserve AP real mode bootstrap memory */
814 palkovsky 135
        frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
136
                       (hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
778 palkovsky 137
 
138
#ifdef CONFIG_SIMICS_FIX
1793 jermar 139
        /* Don't know why, but these addresses help */
814 palkovsky 140
        frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
693 decky 141
#endif
778 palkovsky 142
#endif
1 jermar 143
    }
144
}
1702 cejka 145
 
1888 jermar 146
/** @}
1702 cejka 147
 */