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| Rev | Author | Line No. | Line |
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| 1 | jermar | 1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <mm/frame.h> |
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| 30 | #include <arch/mm/frame.h> |
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| 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> |
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| 42 | #include <console/kconsole.h> |
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| 43 | |||
| 44 | |||
| 267 | decky | 45 | size_t hardcoded_unmapped_ktext_size = 0; |
| 46 | size_t hardcoded_unmapped_kdata_size = 0; |
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| 139 | cejka | 47 | |
| 540 | jermar | 48 | __address last_frame = 0; |
| 49 | |||
| 814 | palkovsky | 50 | static void init_e820_memory(pfn_t minconf) |
| 51 | { |
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| 52 | int i; |
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| 53 | pfn_t start, size,conf; |
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| 54 | |||
| 55 | for (i = 0; i < e820counter; i++) { |
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| 56 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
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| 57 | start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, |
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| 58 | FRAME_SIZE)); |
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| 59 | size = SIZE2PFN(ALIGN_DOWN(e820table[i].size, |
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| 60 | FRAME_SIZE)); |
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| 61 | if (minconf < start || minconf >= start+size) |
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| 62 | conf = start; |
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| 63 | else |
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| 64 | conf = minconf; |
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| 65 | zone_create(start,size, conf, 0); |
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| 66 | if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
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| 67 | last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
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| 68 | } |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 72 | static int cmd_e820mem(cmd_arg_t *argv); |
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| 73 | static cmd_info_t e820_info = { |
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| 74 | .name = "e820list", |
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| 75 | .description = "List e820 memory.", |
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| 76 | .func = cmd_e820mem, |
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| 77 | .argc = 0 |
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| 78 | }; |
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| 79 | |||
| 80 | static char *e820names[] = { "invalid", "available", "reserved", |
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| 81 | "acpi", "nvs", "unusable" }; |
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| 82 | |||
| 83 | |||
| 84 | static int cmd_e820mem(cmd_arg_t *argv) |
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| 85 | { |
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| 86 | int i; |
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| 87 | char *name; |
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| 88 | |||
| 89 | for (i = 0; i < e820counter; i++) { |
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| 90 | if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
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| 91 | name = e820names[e820table[i].type]; |
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| 92 | else |
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| 93 | name = "invalid"; |
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| 94 | printf("%P %dB %s\n", e820table[i].base_address, |
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| 95 | e820table[i].size, |
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| 96 | name); |
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| 97 | } |
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| 98 | return 0; |
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| 99 | } |
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| 100 | |||
| 101 | |||
| 1 | jermar | 102 | void frame_arch_init(void) |
| 103 | { |
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| 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); |
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| 533 | bondari | 109 | |
| 814 | palkovsky | 110 | |
| 111 | minconf = 1; |
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| 112 | #ifdef CONFIG_SMP |
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| 113 | minconf = max(minconf, |
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| 114 | ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size)); |
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| 115 | #endif |
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| 116 | #ifdef CONFIG_SIMICS_FIX |
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| 117 | minconf = max(minconf, ADDR2PFN(0x10000)); |
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| 118 | #endif |
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| 119 | init_e820_memory(minconf); |
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| 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 */ |
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| 814 | palkovsky | 126 | frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
| 127 | (hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
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| 778 | palkovsky | 128 | |
| 129 | #ifdef CONFIG_SIMICS_FIX |
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| 130 | /* Don't know why, but this addresses help */ |
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| 814 | palkovsky | 131 | frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3); |
| 693 | decky | 132 | #endif |
| 778 | palkovsky | 133 | #endif |
| 1 | jermar | 134 | } |
| 135 | } |