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The Linux version of core used a part of the BSS to simulate access to physical memory. All dataspaces would refer to a portion of 'some_mem'. So every time when core would access the dataspace content, it would access its local BSS. For all processes outside of core, dataspaces were represented as files. This patch removes the distinction between core and non-core processes. Now, core uses the same 'Rm_session_mmap' implementation as regular processes. This way, the 'some_mem' could be abandoned. We still use BSS variable for allocating core-local meta data through. |
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This is generic part of the Genode implementation. It consists of two parts: :_Core_: is the ultimate root of the Genode application tree and provides abstractions for the lowest-level hardware resources such as RAM, ROM, CPU, and generic device access. All generic parts of Core can be found here - for system-specific implementations refer to the appropriate 'base-<system>' directory. :_Base libraries and protocols_: that are used by each Genode component to interact with other components. This is the glue that holds everything together.