page_table.hh (7678:f19b6a3a8cec) page_table.hh (8600:b0d7c64ada19)
1/*
2 * Copyright (c) 2003 The Regents of The University of Michigan
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 are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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74
75 PageTable(Process *_process, Addr _pageSize = TheISA::VMPageSize);
76
77 ~PageTable();
78
79 Addr pageAlign(Addr a) { return (a & ~offsetMask); }
80 Addr pageOffset(Addr a) { return (a & offsetMask); }
81
1/*
2 * Copyright (c) 2003 The Regents of The University of Michigan
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 are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 65 unchanged lines hidden (view full) ---

74
75 PageTable(Process *_process, Addr _pageSize = TheISA::VMPageSize);
76
77 ~PageTable();
78
79 Addr pageAlign(Addr a) { return (a & ~offsetMask); }
80 Addr pageOffset(Addr a) { return (a & offsetMask); }
81
82 void allocate(Addr vaddr, int64_t size);
82 void allocate(Addr vaddr, int64_t size, bool clobber = false);
83 void remap(Addr vaddr, int64_t size, Addr new_vaddr);
84 void deallocate(Addr vaddr, int64_t size);
85
86 /**
83 void remap(Addr vaddr, int64_t size, Addr new_vaddr);
84 void deallocate(Addr vaddr, int64_t size);
85
86 /**
87 * Check if any pages in a region are already allocated
88 * @param vaddr The starting virtual address of the region.
89 * @param size The length of the region.
90 * @return True if no pages in the region are mapped.
91 */
92 bool isUnmapped(Addr vaddr, int64_t size);
93
94 /**
87 * Lookup function
88 * @param vaddr The virtual address.
89 * @return entry The page table entry corresponding to vaddr.
90 */
91 bool lookup(Addr vaddr, TheISA::TlbEntry &entry);
92
93 /**
94 * Translate function

--- 42 unchanged lines hidden --- 		95 * Lookup function
96 * @param vaddr The virtual address.
97 * @return entry The page table entry corresponding to vaddr.
98 */
99 bool lookup(Addr vaddr, TheISA::TlbEntry &entry);
100
101 /**
102 * Translate function

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