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-rw-r--r--memory.c5
-rw-r--r--memory.h9
2 files changed, 14 insertions, 0 deletions
diff --git a/memory.c b/memory.c
index 4264b42222..01baeacf3c 100644
--- a/memory.c
+++ b/memory.c
@@ -1074,6 +1074,11 @@ bool memory_region_is_ram(MemoryRegion *mr)
return mr->ram;
}
+bool memory_region_is_rom(MemoryRegion *mr)
+{
+ return mr->ram && mr->readonly;
+}
+
void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset)
{
mr->offset = offset;
diff --git a/memory.h b/memory.h
index dccc9007df..91d6e8aef5 100644
--- a/memory.h
+++ b/memory.h
@@ -277,6 +277,15 @@ uint64_t memory_region_size(MemoryRegion *mr);
bool memory_region_is_ram(MemoryRegion *mr);
/**
+ * memory_region_is_rom: check whether a memory region is ROM
+ *
+ * Returns %true is a memory region is read-only memory.
+ *
+ * @mr: the memory region being queried
+ */
+bool memory_region_is_rom(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