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1 | 67d95c15 | Avi Kivity | /*
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2 | 67d95c15 | Avi Kivity | * Declarations for obsolete exec.c functions
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3 | 67d95c15 | Avi Kivity | *
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4 | 67d95c15 | Avi Kivity | * Copyright 2011 Red Hat, Inc. and/or its affiliates
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5 | 67d95c15 | Avi Kivity | *
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6 | 67d95c15 | Avi Kivity | * Authors:
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7 | 67d95c15 | Avi Kivity | * Avi Kivity <avi@redhat.com>
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8 | 67d95c15 | Avi Kivity | *
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9 | 6b620ca3 | Paolo Bonzini | * This work is licensed under the terms of the GNU GPL, version 2 or
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10 | 6b620ca3 | Paolo Bonzini | * later. See the COPYING file in the top-level directory.
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11 | 67d95c15 | Avi Kivity | *
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12 | 67d95c15 | Avi Kivity | */
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13 | 67d95c15 | Avi Kivity | |
14 | 67d95c15 | Avi Kivity | /*
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15 | 67d95c15 | Avi Kivity | * This header is for use by exec.c and memory.c ONLY. Do not include it.
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16 | 67d95c15 | Avi Kivity | * The functions declared here will be removed soon.
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17 | 67d95c15 | Avi Kivity | */
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18 | 67d95c15 | Avi Kivity | |
19 | 67d95c15 | Avi Kivity | #ifndef EXEC_OBSOLETE_H
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20 | 67d95c15 | Avi Kivity | #define EXEC_OBSOLETE_H
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21 | 67d95c15 | Avi Kivity | |
22 | 67d95c15 | Avi Kivity | #ifndef WANT_EXEC_OBSOLETE
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23 | 67d95c15 | Avi Kivity | #error Do not include exec-obsolete.h
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24 | 67d95c15 | Avi Kivity | #endif
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25 | 67d95c15 | Avi Kivity | |
26 | 67d95c15 | Avi Kivity | #ifndef CONFIG_USER_ONLY
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27 | 67d95c15 | Avi Kivity | |
28 | c5705a77 | Avi Kivity | ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
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29 | 67d95c15 | Avi Kivity | MemoryRegion *mr); |
30 | c5705a77 | Avi Kivity | ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr); |
31 | 67d95c15 | Avi Kivity | void qemu_ram_free(ram_addr_t addr);
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32 | 67d95c15 | Avi Kivity | void qemu_ram_free_from_ptr(ram_addr_t addr);
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33 | 67d95c15 | Avi Kivity | |
34 | a621f38d | Avi Kivity | struct MemoryRegion;
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35 | dd81124b | Avi Kivity | struct MemoryRegionSection;
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36 | dd81124b | Avi Kivity | void cpu_register_physical_memory_log(struct MemoryRegionSection *section, |
37 | d7ec83e6 | Avi Kivity | bool readonly);
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38 | 67d95c15 | Avi Kivity | |
39 | 67d95c15 | Avi Kivity | void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
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40 | 67d95c15 | Avi Kivity | void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
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41 | 67d95c15 | Avi Kivity | |
42 | 8f77558f | Avi Kivity | int cpu_physical_memory_set_dirty_tracking(int enable); |
43 | 8f77558f | Avi Kivity | |
44 | 7638e0d2 | Avi Kivity | #define VGA_DIRTY_FLAG 0x01 |
45 | 7638e0d2 | Avi Kivity | #define CODE_DIRTY_FLAG 0x02 |
46 | 7638e0d2 | Avi Kivity | #define MIGRATION_DIRTY_FLAG 0x08 |
47 | 7638e0d2 | Avi Kivity | |
48 | 7638e0d2 | Avi Kivity | /* read dirty bit (return 0 or 1) */
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49 | 7638e0d2 | Avi Kivity | static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) |
50 | 7638e0d2 | Avi Kivity | { |
51 | 7638e0d2 | Avi Kivity | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff; |
52 | 7638e0d2 | Avi Kivity | } |
53 | 7638e0d2 | Avi Kivity | |
54 | 7638e0d2 | Avi Kivity | static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) |
55 | 7638e0d2 | Avi Kivity | { |
56 | 7638e0d2 | Avi Kivity | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
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57 | 7638e0d2 | Avi Kivity | } |
58 | 7638e0d2 | Avi Kivity | |
59 | cd7a45c9 | Blue Swirl | static inline int cpu_physical_memory_get_dirty(ram_addr_t start, |
60 | cd7a45c9 | Blue Swirl | ram_addr_t length, |
61 | 7638e0d2 | Avi Kivity | int dirty_flags)
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62 | 7638e0d2 | Avi Kivity | { |
63 | cd7a45c9 | Blue Swirl | int ret = 0; |
64 | cd7a45c9 | Blue Swirl | uint8_t *p; |
65 | cd7a45c9 | Blue Swirl | ram_addr_t addr, end; |
66 | cd7a45c9 | Blue Swirl | |
67 | cd7a45c9 | Blue Swirl | end = TARGET_PAGE_ALIGN(start + length); |
68 | cd7a45c9 | Blue Swirl | start &= TARGET_PAGE_MASK; |
69 | cd7a45c9 | Blue Swirl | p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); |
70 | cd7a45c9 | Blue Swirl | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
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71 | cd7a45c9 | Blue Swirl | ret |= *p++ & dirty_flags; |
72 | cd7a45c9 | Blue Swirl | } |
73 | cd7a45c9 | Blue Swirl | return ret;
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74 | 7638e0d2 | Avi Kivity | } |
75 | 7638e0d2 | Avi Kivity | |
76 | 7638e0d2 | Avi Kivity | static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) |
77 | 7638e0d2 | Avi Kivity | { |
78 | 7638e0d2 | Avi Kivity | ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
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79 | 7638e0d2 | Avi Kivity | } |
80 | 7638e0d2 | Avi Kivity | |
81 | 7638e0d2 | Avi Kivity | static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, |
82 | 7638e0d2 | Avi Kivity | int dirty_flags)
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83 | 7638e0d2 | Avi Kivity | { |
84 | 7638e0d2 | Avi Kivity | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
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85 | 7638e0d2 | Avi Kivity | } |
86 | 7638e0d2 | Avi Kivity | |
87 | fd4aa979 | Blue Swirl | static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, |
88 | fd4aa979 | Blue Swirl | ram_addr_t length, |
89 | fd4aa979 | Blue Swirl | int dirty_flags)
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90 | fd4aa979 | Blue Swirl | { |
91 | fd4aa979 | Blue Swirl | uint8_t *p; |
92 | fd4aa979 | Blue Swirl | ram_addr_t addr, end; |
93 | fd4aa979 | Blue Swirl | |
94 | fd39941a | Avi Kivity | end = TARGET_PAGE_ALIGN(start + length); |
95 | fd39941a | Avi Kivity | start &= TARGET_PAGE_MASK; |
96 | fd4aa979 | Blue Swirl | p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); |
97 | fd39941a | Avi Kivity | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
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98 | fd4aa979 | Blue Swirl | *p++ |= dirty_flags; |
99 | fd4aa979 | Blue Swirl | } |
100 | fd4aa979 | Blue Swirl | } |
101 | fd4aa979 | Blue Swirl | |
102 | 7638e0d2 | Avi Kivity | static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start, |
103 | 59abb061 | Blue Swirl | ram_addr_t length, |
104 | 7638e0d2 | Avi Kivity | int dirty_flags)
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105 | 7638e0d2 | Avi Kivity | { |
106 | 59abb061 | Blue Swirl | int mask;
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107 | 7638e0d2 | Avi Kivity | uint8_t *p; |
108 | 59abb061 | Blue Swirl | ram_addr_t addr, end; |
109 | 7638e0d2 | Avi Kivity | |
110 | fd39941a | Avi Kivity | end = TARGET_PAGE_ALIGN(start + length); |
111 | fd39941a | Avi Kivity | start &= TARGET_PAGE_MASK; |
112 | 7638e0d2 | Avi Kivity | mask = ~dirty_flags; |
113 | 7638e0d2 | Avi Kivity | p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); |
114 | fd39941a | Avi Kivity | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
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115 | 59abb061 | Blue Swirl | *p++ &= mask; |
116 | 7638e0d2 | Avi Kivity | } |
117 | 7638e0d2 | Avi Kivity | } |
118 | 7638e0d2 | Avi Kivity | |
119 | 7638e0d2 | Avi Kivity | void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
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120 | 7638e0d2 | Avi Kivity | int dirty_flags);
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121 | 93632747 | Avi Kivity | |
122 | 93632747 | Avi Kivity | extern const IORangeOps memory_region_iorange_ops; |
123 | 93632747 | Avi Kivity | |
124 | 67d95c15 | Avi Kivity | #endif
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125 | 67d95c15 | Avi Kivity | |
126 | 67d95c15 | Avi Kivity | #endif |