---
title: readAddressSpace
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioacpiplatformexpert/1563920-readaddressspace
---

# readAddressSpace

## Declaration

```occ
virtual IOReturn readAddressSpace(UInt64 *value, IOACPIAddressSpaceID spaceID, IOACPIAddress address, UInt32 bitWidth, UInt32 bitOffset, IOOptionBits options);
```