xref: /openbmc/qemu/include/exec/memory-internal.h (revision f6476697)
1 /*
2  * Declarations for functions which are internal to the memory subsystem.
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, memory.c and accel/tcg/cputlb.c ONLY,
16  * for declarations which are shared between the memory subsystem's
17  * internals and the TCG TLB code. Do not include it from elsewhere.
18  */
19 
20 #ifndef MEMORY_INTERNAL_H
21 #define MEMORY_INTERNAL_H
22 
23 #include "cpu.h"
24 
25 #ifndef CONFIG_USER_ONLY
26 static inline AddressSpaceDispatch *flatview_to_dispatch(FlatView *fv)
27 {
28     return fv->dispatch;
29 }
30 
31 static inline AddressSpaceDispatch *address_space_to_dispatch(AddressSpace *as)
32 {
33     return flatview_to_dispatch(address_space_to_flatview(as));
34 }
35 
36 FlatView *address_space_get_flatview(AddressSpace *as);
37 void flatview_unref(FlatView *view);
38 
39 extern const MemoryRegionOps unassigned_mem_ops;
40 
41 bool memory_region_access_valid(MemoryRegion *mr, hwaddr addr,
42                                 unsigned size, bool is_write,
43                                 MemTxAttrs attrs);
44 
45 void flatview_add_to_dispatch(FlatView *fv, MemoryRegionSection *section);
46 AddressSpaceDispatch *address_space_dispatch_new(FlatView *fv);
47 void address_space_dispatch_compact(AddressSpaceDispatch *d);
48 void address_space_dispatch_free(AddressSpaceDispatch *d);
49 
50 void mtree_print_dispatch(struct AddressSpaceDispatch *d,
51                           MemoryRegion *root);
52 #endif
53 #endif
54