2 * Declarations for obsolete exec.c functions
4 * Copyright 2011 Red Hat, Inc. and/or its affiliates
7 * Avi Kivity <avi@redhat.com>
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.
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.
19 #ifndef MEMORY_INTERNAL_H
20 #define MEMORY_INTERNAL_H
22 #ifndef CONFIG_USER_ONLY
25 typedef struct PhysPageEntry PhysPageEntry;
27 struct PhysPageEntry {
29 /* index into phys_sections (is_leaf) or phys_map_nodes (!is_leaf) */
33 typedef struct AddressSpaceDispatch AddressSpaceDispatch;
35 struct AddressSpaceDispatch {
36 /* This is a multi-level map on the physical address space.
37 * The bottom level has pointers to MemoryRegionSections.
39 PhysPageEntry phys_map;
40 MemoryListener listener;
43 void address_space_init_dispatch(AddressSpace *as);
44 void address_space_destroy_dispatch(AddressSpace *as);
46 ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
48 ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);
49 void qemu_ram_free(ram_addr_t addr);
50 void qemu_ram_free_from_ptr(ram_addr_t addr);
53 struct MemoryRegionSection;
55 void qemu_register_coalesced_mmio(hwaddr addr, ram_addr_t size);
56 void qemu_unregister_coalesced_mmio(hwaddr addr, ram_addr_t size);
58 #define VGA_DIRTY_FLAG 0x01
59 #define CODE_DIRTY_FLAG 0x02
60 #define MIGRATION_DIRTY_FLAG 0x08
62 static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
64 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
67 /* read dirty bit (return 0 or 1) */
68 static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
70 return cpu_physical_memory_get_dirty_flags(addr) == 0xff;
73 static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
80 end = TARGET_PAGE_ALIGN(start + length);
81 start &= TARGET_PAGE_MASK;
82 for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
83 ret |= cpu_physical_memory_get_dirty_flags(addr) & dirty_flags;
88 static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
91 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
94 static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
96 cpu_physical_memory_set_dirty_flags(addr, 0xff);
99 static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr,
102 int mask = ~dirty_flags;
104 return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
107 static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
111 ram_addr_t addr, end;
113 end = TARGET_PAGE_ALIGN(start + length);
114 start &= TARGET_PAGE_MASK;
115 for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
116 cpu_physical_memory_set_dirty_flags(addr, dirty_flags);
118 xen_modified_memory(addr, length);
121 static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
125 ram_addr_t addr, end;
127 end = TARGET_PAGE_ALIGN(start + length);
128 start &= TARGET_PAGE_MASK;
129 for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
130 cpu_physical_memory_clear_dirty_flags(addr, dirty_flags);
134 void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
137 extern const IORangeOps memory_region_iorange_ops;