path: root/include/exec/memory-internal.h

/*
 * Declarations for functions which are internal to the memory subsystem.
 *
 * 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, memory.c and accel/tcg/cputlb.c ONLY,
 * for declarations which are shared between the memory subsystem's
 * internals and the TCG TLB code. Do not include it from elsewhere.
 */

#ifndef MEMORY_INTERNAL_H
#define MEMORY_INTERNAL_H

#include "cpu.h"

#ifndef CONFIG_USER_ONLY
static inline AddressSpaceDispatch *flatview_to_dispatch(FlatView *fv)
{
    return fv->dispatch;
}

static inline AddressSpaceDispatch *address_space_to_dispatch(AddressSpace *as)
{
    return flatview_to_dispatch(address_space_to_flatview(as));
}

FlatView *address_space_get_flatview(AddressSpace *as);
void flatview_unref(FlatView *view);

extern const MemoryRegionOps unassigned_mem_ops;

bool memory_region_access_valid(MemoryRegion *mr, hwaddr addr,
                                unsigned size, bool is_write,
                                MemTxAttrs attrs);

void flatview_add_to_dispatch(FlatView *fv, MemoryRegionSection *section);
AddressSpaceDispatch *address_space_dispatch_new(FlatView *fv);
void address_space_dispatch_compact(AddressSpaceDispatch *d);
void address_space_dispatch_free(AddressSpaceDispatch *d);

void mtree_print_dispatch(struct AddressSpaceDispatch *d,
                          MemoryRegion *root);
#endif
#endif