Embedded Hypervisor-oriented multi-window display virtual operation method
An operation method and multi-window technology, applied in the field of multi-window display virtualization operation, can solve the problems of immature products in the embedded field, unsuitable for embedded, high hardware requirements, etc., to achieve easy display switching, fast switching, and easy The effect of transplantation
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[0027] The multi-window display virtualization operation method oriented to the embedded Hypervisor provided by the present invention, by virtualizing the physical display device, multiple GuestOSs can share and use the physical display device in time sharing, and at the same time facilitate display switching of different systems. The multi-window display virtualization operation mainly includes the following two aspects: the Hypervisor generates a virtual device for the upper-layer GuestOS to drive, and realizes the mapping of the virtual display device to different windows through the operation of the display interface of the hardware abstraction layer. Below in conjunction with GuestOS is Linux (2.6.28 kernel), and physical display device is the LCD that supports multi-window display, the present invention is described in further detail, described is the explanation of the present invention rather than limitation.
[0028] see figure 1 As shown in the structure diagram of T...
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