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1 jermar 1 
/*
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 * Copyright (C) 2001-2004 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1888 jermar 29 
/** @addtogroup ia32mm 
1702 cejka 30 
 * @{
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 */
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/** @file
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 * @ingroup ia32mm, amd64mm
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 */
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1 jermar 36 
#include <mm/frame.h>
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#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>
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#include <console/cmd.h>
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#include <console/kconsole.h>
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267 decky 51 
size_t hardcoded_unmapped_ktext_size = 0;
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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)
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{
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    int i;
820 jermar 59 
    pfn_t start, conf;
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    size_t size;
814 palkovsky 61 
 
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    for (i = 0; i < e820counter; i++) {
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        if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
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            start = ADDR2PFN(ALIGN_UP(e820table[i].base_address,
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                          FRAME_SIZE));
820 jermar 66 
            size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size,
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                           FRAME_SIZE));
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            if (minconf < start || minconf >= start+size)
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                conf = start;
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            else
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                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))
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                last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
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        }          
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    }
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}
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static int cmd_e820mem(cmd_arg_t *argv);
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static cmd_info_t e820_info = {
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    .name = "e820list",
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    .description = "List e820 memory.",
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    .func = cmd_e820mem,
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    .argc = 0
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};
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static char *e820names[] = { "invalid", "available", "reserved",
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                 "acpi", "nvs", "unusable" };
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static int cmd_e820mem(cmd_arg_t *argv)
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{
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    int i;
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    char *name;
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    for (i = 0; i < e820counter; i++) {
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        if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
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            name = e820names[e820table[i].type];
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        else
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            name = "invalid";
1224 cejka 101 
        printf("%.*p %#.16llXB %s\n",
1780 jermar 102 
            sizeof(unative_t) * 2,
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               (unative_t) e820table[i].base_address,
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               (uint64_t) e820table[i].size,
814 palkovsky 105 
               name);
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    }          
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    return 0;
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}
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1 jermar 111 
void frame_arch_init(void)
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{
814 palkovsky 113 
    static pfn_t minconf;
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1 jermar 115 
    if (config.cpu_active == 1) {
814 palkovsky 116 
        cmd_initialize(&e820_info);
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        cmd_register(&e820_info);
533 bondari 118 
 
814 palkovsky 119 
 
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        minconf = 1;
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#ifdef CONFIG_SMP
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        minconf = max(minconf,
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                  ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));
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#endif
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#ifdef CONFIG_SIMICS_FIX
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        minconf = max(minconf, ADDR2PFN(0x10000));
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#endif
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        init_e820_memory(minconf);
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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
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        /* Reserve AP real mode bootstrap memory */
814 palkovsky 135 
        frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
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                       (hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
778 palkovsky 137 
 
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#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 
    }
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}
1702 cejka 145 
 
1888 jermar 146 
/** @}
1702 cejka 147 
 */