| 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>
|
|---|
| 31 | #include <mm/vm.h>
|
|---|
| 32 | #include <config.h>
|
|---|
| 33 | #include <arch/boot/boot.h>
|
|---|
| 34 | #include <arch/boot/memmap.h>
|
|---|
| 35 | #include <panic.h>
|
|---|
| 36 | #include <debug.h>
|
|---|
| 37 |
|
|---|
| 38 | size_t hardcoded_unmapped_ktext_size = 0;
|
|---|
| 39 | size_t hardcoded_unmapped_kdata_size = 0;
|
|---|
| 40 |
|
|---|
| 41 | void frame_arch_init(void)
|
|---|
| 42 | {
|
|---|
| 43 | zone_t *z;
|
|---|
| 44 | __address start, stop;
|
|---|
| 45 | size_t size;
|
|---|
| 46 | __u8 i;
|
|---|
| 47 |
|
|---|
| 48 | if (config.cpu_active == 1) {
|
|---|
| 49 |
|
|---|
| 50 | /* Reserve frame 0 (BIOS data) */
|
|---|
| 51 | frame_region_not_free(0, FRAME_SIZE);
|
|---|
| 52 |
|
|---|
| 53 | /* Reserve real mode bootstrap memory */
|
|---|
| 54 | frame_region_not_free(BOOTSTRAP_OFFSET, hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size);
|
|---|
| 55 |
|
|---|
| 56 | for (i=0;i<e820counter;i++) {
|
|---|
| 57 | if (e820table[i].type==MEMMAP_MEMORY_AVAILABLE) {
|
|---|
| 58 | zone_create_in_region(e820table[i].base_address, e820table[i].size & ~(FRAME_SIZE-1));
|
|---|
| 59 | }
|
|---|
| 60 | }
|
|---|
| 61 | }
|
|---|
| 62 | }
|
|---|
