> > However, a tricky part is that the QEMU vga code does treat VGA_ATT_IW > > register always as "flip-flop"; the first write is for index and the > > second write is for the data like palette. Meanwhile, in the current > > bochs DRM driver, the flip-flop wasn't considered, and it calls only > > the register update once with the value 0x20. > > > > Unless bochs does things very different, the index should first be reset by > reading 0x3da. Then write the index, then the data. > > https://web.stanford.edu/class/cs140/projects/pintos/specs/freevga/vga/vgareg.htm#attribute bochs should follow standard vga logic here. Also a bochs_set_blank(true/false) helper function probably makes sense. take care, Gerd _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
