diff options
| -rw-r--r-- | memory.c | 8 | ||||
| -rw-r--r-- | memory.h | 10 |
2 files changed, 18 insertions, 0 deletions
@@ -832,6 +832,7 @@ void memory_region_init(MemoryRegion *mr, mr->offset = 0; mr->enabled = true; mr->terminates = false; + mr->ram = false; mr->readable = true; mr->readonly = false; mr->destructor = memory_region_destructor_none; @@ -998,6 +999,7 @@ 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); @@ -1011,6 +1013,7 @@ 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); @@ -1066,6 +1069,11 @@ 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 */ bool enabled; MemoryRegion *alias; @@ -267,6 +268,15 @@ 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 |