Merge branch 'for-upstream' of git://repo.or.cz/qemu/agraf
[qemu.git] / exec-obsolete.h
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 int cpu_register_io_memory(MemoryRegion *mr);
36 void cpu_unregister_io_memory(int table_address);
37
38 struct MemoryRegionSection;
39 void cpu_register_physical_memory_log(struct MemoryRegionSection *section,
40 bool readable, bool readonly);
41
42 void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
43 void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
44
45 int cpu_physical_memory_set_dirty_tracking(int enable);
46
47 #define VGA_DIRTY_FLAG 0x01
48 #define CODE_DIRTY_FLAG 0x02
49 #define MIGRATION_DIRTY_FLAG 0x08
50
51 /* read dirty bit (return 0 or 1) */
52 static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
53 {
54 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
55 }
56
57 static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
58 {
59 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
60 }
61
62 static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
63 int dirty_flags)
64 {
65 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
66 }
67
68 static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
69 {
70 ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
71 }
72
73 static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
74 int dirty_flags)
75 {
76 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
77 }
78
79 static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
80 ram_addr_t length,
81 int dirty_flags)
82 {
83 uint8_t *p;
84 ram_addr_t addr, end;
85
86 end = TARGET_PAGE_ALIGN(start + length);
87 start &= TARGET_PAGE_MASK;
88 p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
89 for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
90 *p++ |= dirty_flags;
91 }
92 }
93
94 static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
95 ram_addr_t length,
96 int dirty_flags)
97 {
98 int mask;
99 uint8_t *p;
100 ram_addr_t addr, end;
101
102 end = TARGET_PAGE_ALIGN(start + length);
103 start &= TARGET_PAGE_MASK;
104 mask = ~dirty_flags;
105 p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
106 for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
107 *p++ &= mask;
108 }
109 }
110
111 void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
112 int dirty_flags);
113 #endif
114
115 #endif