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f18a288632
The current use of aliased memory regions causes us 2 problems: firstly the output of "info qom-tree" is absolutely huge and difficult to read, and secondly we have already reached the internal limit for memory regions as adding any new memory region into the mac-io region causes QEMU to assert with "phys_section_add: Assertion `map->sections_nb < TARGET_PAGE_SIZE' failed". Implement the mac-io region aliasing using a single IO memory region that applies IO_SLICE_MASK representing the maximum size of the aliased region and then forwarding the access to the existing mac-io memory region using the address space API. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20230621085353.113233-12-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>