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f51bb81248
VMware SVGA presents to the guest with the depth of the host surface it renders to, and rejects to work if the two sides are mismatched. One problem is that current VMware VGA may calculate a wrong host depth, and then memcpy from virtual framebuffer to host surface may trigger segmentation fault. For example, when launching Qemu in a VNC connection, VMware SVGA thinks depth as '32', however the actual depth of VNC is '16'. The fault also happens when the host depth is not 32 bit. Qemu <4b5db3749c5fdba93e1ac0e8748c9a9a1064319f> tempts to fix a similar issue, by changing from hard-coded 24bit depth to instead query the surface allocator (e.g. sdl). However it doesn't really work, because the point where query is invoked is earlier than the point where sdl is initialized. At query time, qemu uses a default surface allocator which, again, provides another hard-coded depth value - 32bit. So it happens to make VMware SVGA working on some hosts, but still fails in others. To solve this issue, this commit introduces a postcall interface to display surface, which is walked after surface allocators are actually initialized. At that point it's then safe to query host depth and present to the guest. Signed-off-by Kevin Tian <kevin.tian@intel.com>
Poky
Poky platform builder is a combined cross build system and development environment. It features support for building X11/Matchbox/GTK based filesystem images for various embedded devices and boards. It also supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK with IDE integration.
Poky has an extensive handbook, the source of which is contained in the handbook directory. For compiled HTML or pdf versions of this, see the Poky website http://pokylinux.org.
Additional information on the specifics of hardware that Poky supports is available in README.hardware.