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memory: MemoryRegion: QOMify

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QOMify memory regions as an Object. The former init() and destroy()
routines become instance_init() and instance_finalize() resp.

memory_region_init() is re-implemented to be:
object_initialize() + set fields

memory_region_destroy() is re-implemented to call unparent().

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[Add newly-created MR as child, unparent on destruction. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Crosthwaite 2014-06-05 23:15:52 -07:00 • committed by Paolo Bonzini
parent b5c2c3d0c8
commit b4fefef9d5
3 changed files with 113 additions and 26 deletions
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6
include/exec/memory.h
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@ -32,10 +32,15 @@
#include "qemu/int128.h"
#include "qemu/notify.h"
#include "qapi/error.h"
#include "qom/object.h"
#define MAX_PHYS_ADDR_SPACE_BITS 62
#define MAX_PHYS_ADDR (((hwaddr)1 << MAX_PHYS_ADDR_SPACE_BITS) - 1)
#define TYPE_MEMORY_REGION "qemu:memory-region"
#define MEMORY_REGION(obj) \
OBJECT_CHECK(MemoryRegion, (obj), TYPE_MEMORY_REGION)
typedef struct MemoryRegionOps MemoryRegionOps;
typedef struct MemoryRegionMmio MemoryRegionMmio;
@ -131,6 +136,7 @@ typedef struct CoalescedMemoryRange CoalescedMemoryRange;
typedef struct MemoryRegionIoeventfd MemoryRegionIoeventfd;
struct MemoryRegion {
Object parent_obj;
/* All fields are private - violators will be prosecuted */
const MemoryRegionOps *ops;
const MemoryRegionIOMMUOps *iommu_ops;