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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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| 31 | #include <mm/vm.h> |
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| 32 | #include <config.h> |
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| 267 | decky | 33 | #include <arch/boot/boot.h> |
| 139 | cejka | 34 | #include <arch/boot/memmap.h> |
| 1 | jermar | 35 | |
| 267 | decky | 36 | size_t hardcoded_unmapped_ktext_size = 0; |
| 37 | size_t hardcoded_unmapped_kdata_size = 0; |
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| 139 | cejka | 38 | |
| 1 | jermar | 39 | void frame_arch_init(void) |
| 40 | { |
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| 139 | cejka | 41 | __u8 i; |
| 42 | |||
| 1 | jermar | 43 | if (config.cpu_active == 1) { |
| 267 | decky | 44 | /* Reserve the NULL frame */ |
| 1 | jermar | 45 | frame_not_free(0x0); |
| 267 | decky | 46 | |
| 47 | /* Reserve well-known memory regions */ |
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| 125 | jermar | 48 | frame_region_not_free(0xa0000,0xff000); |
| 49 | frame_region_not_free(0xfec00000,0xffffffff); |
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| 139 | cejka | 50 | |
| 267 | decky | 51 | /* Reserve real mode bootstrap memory */ |
| 52 | frame_region_not_free(BOOTSTRAP_OFFSET, BOOTSTRAP_OFFSET + hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
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| 235 | decky | 53 | |
| 139 | cejka | 54 | for (i=e820counter;i>0;i--) { |
| 55 | if (e820table[i-1].type!=MEMMAP_MEMORY_AVAILABLE) { |
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| 247 | jermar | 56 | frame_region_not_free(e820table[i-1].base_address, e820table[i-1].base_address+e820table[i-1].size); |
| 139 | cejka | 57 | } |
| 58 | } |
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| 1 | jermar | 59 | } |
| 60 | } |