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Merge memory_region_init_reservation() into memory_region_init_io()

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Just specifying ops = NULL in some cases can be more convenient than having
two functions.

Backports commit 6d6d2abf2c2e52c0f404d0a31a963e945b0cc7ad from qemu
This commit is contained in:
Pavel Fedin 2018-02-21 11:21:53 -05:00 committed by Lioncash
parent 7a1ce36785
commit 0201c71145
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GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 13 additions and 13 deletions
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16
qemu/include/exec/memory.h
View file

@ -386,6 +386,9 @@ void memory_region_init_alias(struct uc_struct *uc, MemoryRegion *mr,
* memory_region_init_rom_device: Initialize a ROM memory region. Writes are
* handled via callbacks.
*
* If NULL callbacks pointer is given, then I/O space is not supposed to be
* handled by QEMU itself. Any access via the memory API will cause an abort().
*
* @mr: the #MemoryRegion to be initialized.
* @owner: the object that tracks the region's reference count
* @ops: callbacks for write access handling.
@ -434,16 +437,21 @@ void memory_region_init_resizeable_ram(struct uc_struct *uc,
* A reservation region primariy serves debugging purposes. It claims I/O
* space that is not supposed to be handled by QEMU itself. Any access via
* the memory API will cause an abort().
* This function is deprecated. Use memory_region_init_io() with NULL
* callbacks instead.
*
* @mr: the #MemoryRegion to be initialized
* @owner: the object that tracks the region's reference count
* @name: used for debugging; not visible to the user or ABI
* @size: size of the region.
*/
void memory_region_init_reservation(struct uc_struct *uc, MemoryRegion *mr,
struct Object *owner,
const char *name,
uint64_t size);
static inline void memory_region_init_reservation(struct uc_struct *uc, MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size)
{
memory_region_init_io(uc, mr, owner, NULL, mr, name, size);
}
/**
* memory_region_init_iommu: Initialize a memory region that translates

10
qemu/memory.c
View file

@ -1147,7 +1147,7 @@ void memory_region_init_io(struct uc_struct *uc, MemoryRegion *mr,
uint64_t size)
{
memory_region_init(uc, mr, owner, name, size);
mr->ops = ops;
mr->ops = ops ? ops : &unassigned_mem_ops;
mr->opaque = opaque;
mr->terminates = true;
}
@ -1225,14 +1225,6 @@ void memory_region_init_alias(struct uc_struct *uc, MemoryRegion *mr,
mr->alias_offset = offset;
}
void memory_region_init_reservation(struct uc_struct *uc, MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size)
{
memory_region_init_io(uc, mr, owner, &unassigned_mem_ops, mr, name, size);
}
static void memory_region_finalize(struct uc_struct *uc, Object *obj, void *opaque)
{
MemoryRegion *mr = MEMORY_REGION(uc, obj);