Rev 820 | Rev 925 | 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 | |||
| 267 | decky | 44 | size_t hardcoded_unmapped_ktext_size = 0; |
| 45 | size_t hardcoded_unmapped_kdata_size = 0; |
||
| 139 | cejka | 46 | |
| 540 | jermar | 47 | __address last_frame = 0; |
| 48 | |||
| 814 | palkovsky | 49 | static void init_e820_memory(pfn_t minconf) |
| 50 | { |
||
| 51 | int i; |
||
| 820 | jermar | 52 | pfn_t start, conf; |
| 53 | size_t size; |
||
| 814 | palkovsky | 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)); |
||
| 820 | jermar | 59 | size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, |
| 814 | palkovsky | 60 | FRAME_SIZE)); |
| 61 | if (minconf < start || minconf >= start+size) |
||
| 62 | conf = start; |
||
| 63 | else |
||
| 64 | conf = minconf; |
||
| 820 | jermar | 65 | zone_create(start, size, conf, 0); |
| 814 | palkovsky | 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 |
| 822 | palkovsky | 134 | /* Merge all zones to 1 big zone */ |
| 135 | zone_merge_all(); |
||
| 1 | jermar | 136 | } |
| 137 | } |