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c935674635
This introduces a special callback which allows to run code from some MMIO devices. SysBusDevice with a MemoryRegion which implements the request_ptr callback will be notified when the guest try to execute code from their offset. Then it will be able to eg: pre-load some code from an SPI device or ask a pointer from an external simulator, etc.. When the pointer or the data in it are no longer valid the device has to invalidate it. Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>