1 | /* -*- Mode:C; c-basic-offset:4; tab-width:4 -*- |
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2 | * |
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3 | * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge |
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4 | * Copyright (c) 2005, Keir A Fraser |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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7 | * of this software and associated documentation files (the "Software"), to |
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8 | * deal in the Software without restriction, including without limitation the |
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9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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10 | * sell copies of the Software, and to permit persons to whom the Software is |
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11 | * furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice shall be included in |
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14 | * all copies or substantial portions of the Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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22 | * DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |
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25 | #ifndef _MM_H_ |
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26 | #define _MM_H_ |
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27 | |
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28 | #if defined(__i386__) |
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29 | #include <xen/arch-x86_32.h> |
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30 | #elif defined(__x86_64__) |
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31 | #include <xen/arch-x86_64.h> |
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32 | #elif defined(__ia64__) |
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33 | #include <xen/arch-ia64.h> |
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34 | #else |
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35 | #error "Unsupported architecture" |
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36 | #endif |
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37 | |
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38 | #include <lib.h> |
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39 | #include <arch_mm.h> |
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40 | |
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41 | |
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42 | void init_mm(void); |
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43 | unsigned long alloc_pages(int order); |
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44 | #define alloc_page() alloc_pages(0) |
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45 | void free_pages(void *pointer, int order); |
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46 | |
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47 | static __inline__ int get_order(unsigned long size) |
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48 | { |
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49 | int order; |
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50 | size = (size-1) >> PAGE_SHIFT; |
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51 | for ( order = 0; size; order++ ) |
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52 | size >>= 1; |
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53 | return order; |
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54 | } |
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55 | |
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56 | void arch_init_demand_mapping_area(unsigned long max_pfn); |
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57 | void arch_init_mm(unsigned long* start_pfn_p, unsigned long* max_pfn_p); |
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58 | void arch_init_p2m(unsigned long max_pfn_p); |
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59 | |
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60 | void *map_frames(unsigned long *f, unsigned long n); |
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61 | |
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62 | #endif /* _MM_H_ */ |
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