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由 Peter Maydell 提交于
Define a new global dma_context_memory which is a DMAContext corresponding to the global address_space_memory AddressSpace. This can be used by sysbus peripherals like sysbus-ohci which need to do DMA. In particular, use it in the sysbus-ohci device, which fixes a segfault when attempting to use that device. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>
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