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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 | * | |
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. | |
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 | ||
19 | #ifndef EXEC_OBSOLETE_H | |
20 | #define EXEC_OBSOLETE_H | |
21 | ||
22 | #ifndef WANT_EXEC_OBSOLETE | |
23 | #error Do not include exec-obsolete.h | |
24 | #endif | |
25 | ||
26 | #ifndef CONFIG_USER_ONLY | |
27 | ||
28 | ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, | |
29 | MemoryRegion *mr); | |
30 | ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr); | |
31 | void qemu_ram_free(ram_addr_t addr); | |
32 | void qemu_ram_free_from_ptr(ram_addr_t addr); | |
33 | ||
34 | struct MemoryRegion; | |
35 | struct MemoryRegionSection; | |
36 | void cpu_register_physical_memory_log(struct MemoryRegionSection *section, | |
37 | bool readonly); | |
38 | ||
39 | void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size); | |
40 | void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size); | |
41 | ||
42 | int cpu_physical_memory_set_dirty_tracking(int enable); | |
43 | ||
44 | #define VGA_DIRTY_FLAG 0x01 | |
45 | #define CODE_DIRTY_FLAG 0x02 | |
46 | #define MIGRATION_DIRTY_FLAG 0x08 | |
47 | ||
48 | /* read dirty bit (return 0 or 1) */ | |
49 | static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) | |
50 | { | |
51 | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff; | |
52 | } | |
53 | ||
54 | static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) | |
55 | { | |
56 | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS]; | |
57 | } | |
58 | ||
59 | static inline int cpu_physical_memory_get_dirty(ram_addr_t start, | |
60 | ram_addr_t length, | |
61 | int dirty_flags) | |
62 | { | |
63 | int ret = 0; | |
64 | uint8_t *p; | |
65 | ram_addr_t addr, end; | |
66 | ||
67 | end = TARGET_PAGE_ALIGN(start + length); | |
68 | start &= TARGET_PAGE_MASK; | |
69 | p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); | |
70 | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { | |
71 | ret |= *p++ & dirty_flags; | |
72 | } | |
73 | return ret; | |
74 | } | |
75 | ||
76 | static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) | |
77 | { | |
78 | ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff; | |
79 | } | |
80 | ||
81 | static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, | |
82 | int dirty_flags) | |
83 | { | |
84 | return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags; | |
85 | } | |
86 | ||
87 | static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, | |
88 | ram_addr_t length, | |
89 | int dirty_flags) | |
90 | { | |
91 | uint8_t *p; | |
92 | ram_addr_t addr, end; | |
93 | ||
94 | end = TARGET_PAGE_ALIGN(start + length); | |
95 | start &= TARGET_PAGE_MASK; | |
96 | p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); | |
97 | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { | |
98 | *p++ |= dirty_flags; | |
99 | } | |
100 | } | |
101 | ||
102 | static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start, | |
103 | ram_addr_t length, | |
104 | int dirty_flags) | |
105 | { | |
106 | int mask; | |
107 | uint8_t *p; | |
108 | ram_addr_t addr, end; | |
109 | ||
110 | end = TARGET_PAGE_ALIGN(start + length); | |
111 | start &= TARGET_PAGE_MASK; | |
112 | mask = ~dirty_flags; | |
113 | p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); | |
114 | for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { | |
115 | *p++ &= mask; | |
116 | } | |
117 | } | |
118 | ||
119 | void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, | |
120 | int dirty_flags); | |
121 | ||
122 | extern const IORangeOps memory_region_iorange_ops; | |
123 | ||
124 | #endif | |
125 | ||
126 | #endif |