Searched hist:f18a2886 (Results 1 – 2 of 2) sorted by relevance
/openbmc/qemu/include/hw/m68k/ |
H A D | q800.h | f18a2886 Wed Jun 21 03:53:40 CDT 2023 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> q800: reimplement mac-io region aliasing using IO memory region
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>
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/openbmc/qemu/hw/m68k/ |
H A D | q800.c | f18a2886 Wed Jun 21 03:53:40 CDT 2023 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> q800: reimplement mac-io region aliasing using IO memory region
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>
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