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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #include <mm/frame.h> |
29 | #include <mm/frame.h> |
| 30 | #include <arch/mm/frame.h> |
30 | #include <arch/mm/frame.h> |
| 31 | #include <mm/as.h> |
31 | #include <mm/as.h> |
| 32 | #include <config.h> |
32 | #include <config.h> |
| 33 | #include <arch/boot/boot.h> |
33 | #include <arch/boot/boot.h> |
| 34 | #include <arch/boot/memmap.h> |
34 | #include <arch/boot/memmap.h> |
| 35 | #include <panic.h> |
35 | #include <panic.h> |
| 36 | #include <debug.h> |
36 | #include <debug.h> |
| 37 | #include <align.h> |
37 | #include <align.h> |
| 38 | 38 | ||
| 39 | size_t hardcoded_unmapped_ktext_size = 0; |
39 | size_t hardcoded_unmapped_ktext_size = 0; |
| 40 | size_t hardcoded_unmapped_kdata_size = 0; |
40 | size_t hardcoded_unmapped_kdata_size = 0; |
| 41 | 41 | ||
| 42 | __address last_frame = 0; |
42 | __address last_frame = 0; |
| 43 | 43 | ||
| 44 | void frame_arch_init(void) |
44 | void frame_arch_init(void) |
| 45 | { |
45 | { |
| 46 | __u8 i; |
46 | __u8 i; |
| 47 | 47 | ||
| 48 | if (config.cpu_active == 1) { |
48 | if (config.cpu_active == 1) { |
| 49 | 49 | ||
| 50 | /* Reserve frame 0 (BIOS data) */ |
50 | /* Reserve frame 0 (BIOS data) */ |
| 51 | frame_region_not_free(0, FRAME_SIZE); |
51 | frame_region_not_free(0, FRAME_SIZE); |
| 52 | 52 | ||
| 53 | #ifdef CONFIG_SMP |
53 | #ifdef CONFIG_SMP |
| 54 | /* Reserve AP real mode bootstrap memory */ |
54 | /* Reserve AP real mode bootstrap memory */ |
| 55 | frame_region_not_free(AP_BOOT_OFFSET, hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
55 | frame_region_not_free(AP_BOOT_OFFSET, hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
| - | 56 | ||
| - | 57 | #ifdef CONFIG_SIMICS_FIX |
|
| - | 58 | /* Don't know why, but this addresses help */ |
|
| - | 59 | frame_region_not_free(0xf000,FRAME_SIZE); |
|
| - | 60 | frame_region_not_free(0xe000,FRAME_SIZE); |
|
| - | 61 | frame_region_not_free(0xd000,FRAME_SIZE); |
|
| - | 62 | #endif |
|
| 56 | #endif |
63 | #endif |
| 57 | 64 | ||
| 58 | for (i = 0; i < e820counter; i++) { |
65 | for (i = 0; i < e820counter; i++) { |
| 59 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
66 | if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
| 60 | zone_create_in_region(e820table[i].base_address, e820table[i].size & ~(FRAME_SIZE-1)); |
67 | zone_create_in_region(e820table[i].base_address, e820table[i].size & ~(FRAME_SIZE-1)); |
| 61 | if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
68 | if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
| 62 | last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
69 | last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
| 63 | } |
70 | } |
| 64 | } |
71 | } |
| 65 | } |
72 | } |
| 66 | } |
73 | } |
| 67 | 74 | ||