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67d95c15 AK |
1 | /* |
2 | * Declarations for obsolete exec.c functions | |
3 | * | |
4 | * Copyright 2011 Red Hat, Inc. and/or its affiliates | |
5 | * | |
6 | * Authors: | |
7 | * Avi Kivity <avi@redhat.com> | |
8 | * | |
6b620ca3 PB |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or |
10 | * later. See the COPYING file in the top-level directory. | |
67d95c15 AK |
11 | * |
12 | */ | |
13 | ||
14 | /* | |
15 | * This header is for use by exec.c and memory.c ONLY. Do not include it. | |
16 | * The functions declared here will be removed soon. | |
17 | */ | |
18 | ||
7762c2c1 AK |
19 | #ifndef MEMORY_INTERNAL_H |
20 | #define MEMORY_INTERNAL_H | |
67d95c15 AK |
21 | |
22 | #ifndef CONFIG_USER_ONLY | |
e226939d | 23 | #include "hw/xen.h" |
67d95c15 | 24 | |
ac1970fb AK |
25 | typedef struct PhysPageEntry PhysPageEntry; |
26 | ||
27 | struct PhysPageEntry { | |
28 | uint16_t is_leaf : 1; | |
29 | /* index into phys_sections (is_leaf) or phys_map_nodes (!is_leaf) */ | |
30 | uint16_t ptr : 15; | |
31 | }; | |
32 | ||
33 | typedef struct AddressSpaceDispatch AddressSpaceDispatch; | |
34 | ||
35 | struct AddressSpaceDispatch { | |
36 | /* This is a multi-level map on the physical address space. | |
37 | * The bottom level has pointers to MemoryRegionSections. | |
38 | */ | |
39 | PhysPageEntry phys_map; | |
40 | MemoryListener listener; | |
41 | }; | |
42 | ||
43 | void address_space_init_dispatch(AddressSpace *as); | |
83f3c251 | 44 | void address_space_destroy_dispatch(AddressSpace *as); |
ac1970fb | 45 | |
c5705a77 | 46 | ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, |
67d95c15 | 47 | MemoryRegion *mr); |
c5705a77 | 48 | ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr); |
67d95c15 AK |
49 | void qemu_ram_free(ram_addr_t addr); |
50 | void qemu_ram_free_from_ptr(ram_addr_t addr); | |
51 | ||
a621f38d | 52 | struct MemoryRegion; |
dd81124b | 53 | struct MemoryRegionSection; |
67d95c15 | 54 | |
a8170e5e AK |
55 | void qemu_register_coalesced_mmio(hwaddr addr, ram_addr_t size); |
56 | void qemu_unregister_coalesced_mmio(hwaddr addr, ram_addr_t size); | |
67d95c15 | 57 | |
8f77558f AK |
58 | int cpu_physical_memory_set_dirty_tracking(int enable); |
59 | ||
7638e0d2 AK |
60 | #define VGA_DIRTY_FLAG 0x01 |
61 | #define CODE_DIRTY_FLAG 0x02 | |
62 | #define MIGRATION_DIRTY_FLAG 0x08 | |
63 | ||
1720aeee | 64 | static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) |
7638e0d2 | 65 | { |
1720aeee | 66 | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS]; |
7638e0d2 AK |
67 | } |
68 | ||
1720aeee JQ |
69 | /* read dirty bit (return 0 or 1) */ |
70 | static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) | |
7638e0d2 | 71 | { |
1720aeee | 72 | return cpu_physical_memory_get_dirty_flags(addr) == 0xff; |
7638e0d2 AK |
73 | } |
74 | ||
cd7a45c9 BS |
75 | static inline int cpu_physical_memory_get_dirty(ram_addr_t start, |
76 | ram_addr_t length, | |
7638e0d2 AK |
77 | int dirty_flags) |
78 | { | |
cd7a45c9 | 79 | int ret = 0; |
cd7a45c9 BS |
80 | ram_addr_t addr, end; |
81 | ||
82 | end = TARGET_PAGE_ALIGN(start + length); | |
83 | start &= TARGET_PAGE_MASK; | |
cd7a45c9 | 84 | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { |
1720aeee | 85 | ret |= cpu_physical_memory_get_dirty_flags(addr) & dirty_flags; |
cd7a45c9 BS |
86 | } |
87 | return ret; | |
7638e0d2 AK |
88 | } |
89 | ||
1720aeee JQ |
90 | static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, |
91 | int dirty_flags) | |
92 | { | |
93 | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags; | |
94 | } | |
95 | ||
7638e0d2 AK |
96 | static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) |
97 | { | |
1720aeee | 98 | cpu_physical_memory_set_dirty_flags(addr, 0xff); |
7638e0d2 AK |
99 | } |
100 | ||
1720aeee JQ |
101 | static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr, |
102 | int dirty_flags) | |
7638e0d2 | 103 | { |
1720aeee JQ |
104 | int mask = ~dirty_flags; |
105 | ||
106 | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask; | |
7638e0d2 AK |
107 | } |
108 | ||
fd4aa979 BS |
109 | static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, |
110 | ram_addr_t length, | |
111 | int dirty_flags) | |
112 | { | |
fd4aa979 BS |
113 | ram_addr_t addr, end; |
114 | ||
fd39941a AK |
115 | end = TARGET_PAGE_ALIGN(start + length); |
116 | start &= TARGET_PAGE_MASK; | |
fd39941a | 117 | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { |
1720aeee | 118 | cpu_physical_memory_set_dirty_flags(addr, dirty_flags); |
fd4aa979 | 119 | } |
e226939d | 120 | xen_modified_memory(addr, length); |
fd4aa979 BS |
121 | } |
122 | ||
7638e0d2 | 123 | static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start, |
59abb061 | 124 | ram_addr_t length, |
7638e0d2 AK |
125 | int dirty_flags) |
126 | { | |
59abb061 | 127 | ram_addr_t addr, end; |
7638e0d2 | 128 | |
fd39941a AK |
129 | end = TARGET_PAGE_ALIGN(start + length); |
130 | start &= TARGET_PAGE_MASK; | |
fd39941a | 131 | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { |
1720aeee | 132 | cpu_physical_memory_clear_dirty_flags(addr, dirty_flags); |
7638e0d2 AK |
133 | } |
134 | } | |
135 | ||
136 | void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, | |
137 | int dirty_flags); | |
93632747 AK |
138 | |
139 | extern const IORangeOps memory_region_iorange_ops; | |
140 | ||
67d95c15 AK |
141 | #endif |
142 | ||
143 | #endif |