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X-hyp free is a Open Source hypervisor based on a micro-kernel architecture with para-virtualisation.
X-hyp is distributed under a GPLv2.
X-hyp already has support ARM-9 Cortex-M3 and Cortex-A8 processor, has drivers for PL1x UART and is ready to use inside of QEMU versatile and realview and on a iMX25 development board.
X-Hyp has support for several scheduler, POSIX FIFO, POSIX RR and Sporadic and it support GPOS or RTOS domains.
My changes to qemu for legacy free GPU passthrough
My changes to qemu for legacy free GPU passthrough.
Only one adapter can use legacy vga regions at same time.
This is an attemp to achieve a qemu gpu passthrough without legacy vga accesses to graphics card.
Legacy io accesses to vga registers are replaced through MMIO accesses.
Legacy accesses to vga memory are replaced through accesses to plain framebuffer.
This avoids vga arbiter problems in linux kernel.