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authorPeter Crosthwaite <peter.crosthwaite@xilinx.com>2014-06-05 23:17:35 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2014-07-01 10:20:41 +0200
commit52aef7bba74a65d0c9fbec7a6559cc8385ab0e17 (patch)
treedf74763b6e70607912bf33303a3473f9b9a0dbf4 /memory.c
parentd33382da9abe21cb42f26b55945845b56ce9324a (diff)
memory: MemoryRegion: Add size property
To allow devices to dynamically resize the device. The motivation is to allow devices with variable size to init their memory_region without size early and then correctly populate size at realize() time. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'memory.c')
-rw-r--r--memory.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/memory.c b/memory.c
index 834959b0a3..64d7176193 100644
--- a/memory.c
+++ b/memory.c
@@ -971,6 +971,15 @@ static bool memory_region_get_may_overlap(Object *obj, Error **errp)
return mr->may_overlap;
}
+static void memory_region_get_size(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ MemoryRegion *mr = MEMORY_REGION(obj);
+ uint64_t value = memory_region_size(mr);
+
+ visit_type_uint64(v, &value, name, errp);
+}
+
static void memory_region_initfn(Object *obj)
{
MemoryRegion *mr = MEMORY_REGION(obj);
@@ -1002,6 +1011,10 @@ static void memory_region_initfn(Object *obj)
memory_region_get_may_overlap,
NULL, /* memory_region_set_may_overlap */
&error_abort);
+ object_property_add(OBJECT(mr), "size", "uint64",
+ memory_region_get_size,
+ NULL, /* memory_region_set_size, */
+ NULL, NULL, &error_abort);
}
static uint64_t unassigned_mem_read(void *opaque, hwaddr addr,