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memory: Add internal memory_region_set_ops helper function

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This is a common operation used at multiple places, add a helper
function for it.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <25045c95c083e31c6773521ecfe41900738b7bb5.1770042013.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
BALATON Zoltan
2025-12-23 22:49:57 +01:00
committed by Philippe Mathieu-Daudé
parent 5cf3908f70
commit 5cb466d7ca
1 changed files with 12 additions and 9 deletions
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21
system/memory.c
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@@ -1559,6 +1559,15 @@ MemTxResult memory_region_dispatch_write(MemoryRegion *mr,
}
}
static void memory_region_set_ops(MemoryRegion *mr,
const MemoryRegionOps *ops,
void *opaque)
{
mr->ops = ops ?: &unassigned_mem_ops;
mr->opaque = opaque;
mr->terminates = true;
}
void memory_region_init_io(MemoryRegion *mr,
Object *owner,
const MemoryRegionOps *ops,
@@ -1567,9 +1576,7 @@ void memory_region_init_io(MemoryRegion *mr,
uint64_t size)
{
memory_region_init(mr, owner, name, size);
mr->ops = ops ? ops : &unassigned_mem_ops;
mr->opaque = opaque;
mr->terminates = true;
memory_region_set_ops(mr, ops, opaque);
}
bool memory_region_init_ram_nomigrate(MemoryRegion *mr,
@@ -1710,10 +1717,8 @@ void memory_region_init_ram_device_ptr(MemoryRegion *mr,
{
memory_region_init(mr, owner, name, size);
mr->ram = true;
mr->terminates = true;
mr->ram_device = true;
mr->ops = &ram_device_mem_ops;
mr->opaque = mr;
memory_region_set_ops(mr, &ram_device_mem_ops, mr);
mr->destructor = memory_region_destructor_ram;
/* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL. */
@@ -3780,9 +3785,7 @@ bool memory_region_init_rom_device(MemoryRegion *mr,
assert(ops);
memory_region_init(mr, owner, name, size);
mr->ops = ops;
mr->opaque = opaque;
mr->terminates = true;
memory_region_set_ops(mr, ops, opaque);
mr->rom_device = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_block = qemu_ram_alloc(size, 0, mr, &err);