@@ -831,6 +831,7 @@ void memory_region_init(MemoryRegion *mr,
mr->addr = 0;
mr->offset = 0;
mr->terminates = false;
+ mr->ram = false;
mr->readable = true;
mr->readonly = false;
mr->destructor = memory_region_destructor_none;
@@ -997,6 +998,7 @@ void memory_region_init_ram(MemoryRegion *mr,
uint64_t size)
{
memory_region_init(mr, name, size);
+ mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_addr = qemu_ram_alloc(dev, name, size, mr);
@@ -1010,6 +1012,7 @@ void memory_region_init_ram_ptr(MemoryRegion *mr,
void *ptr)
{
memory_region_init(mr, name, size);
+ mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram_from_ptr;
mr->ram_addr = qemu_ram_alloc_from_ptr(dev, name, size, ptr, mr);
@@ -1065,6 +1068,11 @@ uint64_t memory_region_size(MemoryRegion *mr)
return int128_get64(mr->size);
}
+bool memory_region_is_ram(MemoryRegion *mr)
+{
+ return mr->ram;
+}
+
void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset)
{
mr->offset = offset;
@@ -122,6 +122,7 @@ struct MemoryRegion {
IORange iorange;
bool terminates;
bool readable;
+ bool ram;
bool readonly; /* For RAM regions */
MemoryRegion *alias;
target_phys_addr_t alias_offset;
@@ -284,6 +285,15 @@ void memory_region_destroy(MemoryRegion *mr);
uint64_t memory_region_size(MemoryRegion *mr);
/**
+ * memory_region_is_ram: check whether a memory region is random access
+ *
+ * Returns %true is a memory region is random access.
+ *
+ * @mr: the memory region being queried
+ */
+bool memory_region_is_ram(MemoryRegion *mr);
+
+/**
* memory_region_get_ram_ptr: Get a pointer into a RAM memory region.
*
* Returns a host pointer to a RAM memory region (created with
Signed-off-by: Avi Kivity <avi@redhat.com> --- memory.c | 8 ++++++++ memory.h | 10 ++++++++++ 2 files changed, 18 insertions(+), 0 deletions(-)