aboutsummaryrefslogtreecommitdiff
path: root/exec-obsolete.h
blob: 03cf35ecfb2013216c1df78d8bd32f3e6fe9f710 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
/*
 * Declarations for obsolete exec.c functions
 *
 * Copyright 2011 Red Hat, Inc. and/or its affiliates
 *
 * Authors:
 *  Avi Kivity <avi@redhat.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or
 * later.  See the COPYING file in the top-level directory.
 *
 */

/*
 * This header is for use by exec.c and memory.c ONLY.  Do not include it.
 * The functions declared here will be removed soon.
 */

#ifndef EXEC_OBSOLETE_H
#define EXEC_OBSOLETE_H

#ifndef WANT_EXEC_OBSOLETE
#error Do not include exec-obsolete.h
#endif

#ifndef CONFIG_USER_ONLY

ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
                                   MemoryRegion *mr);
ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);
void qemu_ram_free(ram_addr_t addr);
void qemu_ram_free_from_ptr(ram_addr_t addr);

struct MemoryRegion;
int cpu_register_io_memory(MemoryRegion *mr);
void cpu_unregister_io_memory(int table_address);

struct MemoryRegionSection;
void cpu_register_physical_memory_log(struct MemoryRegionSection *section,
                                      bool readable, bool readonly);

void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);

int cpu_physical_memory_set_dirty_tracking(int enable);

#define VGA_DIRTY_FLAG       0x01
#define CODE_DIRTY_FLAG      0x02
#define MIGRATION_DIRTY_FLAG 0x08

/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
{
    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
}

static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
{
    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
}

static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
                                                int dirty_flags)
{
    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
}

static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
{
    ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
}

static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
                                                      int dirty_flags)
{
    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
}

static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
                                                       ram_addr_t length,
                                                       int dirty_flags)
{
    uint8_t *p;
    ram_addr_t addr, end;

    end = start + length;
    p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
    for (addr = start; addr <= end; addr += TARGET_PAGE_SIZE) {
        *p++ |= dirty_flags;
    }
}

static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
                                                        ram_addr_t length,
                                                        int dirty_flags)
{
    int mask;
    uint8_t *p;
    ram_addr_t addr, end;

    end = start + length;
    mask = ~dirty_flags;
    p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
    for (addr = start; addr <= end; addr += TARGET_PAGE_SIZE) {
        *p++ &= mask;
    }
}

void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
                                     int dirty_flags);
#endif

#endif