On 2011-08-25 13:19, Avi Kivity wrote: > On 08/25/2011 01:51 PM, Jan Kiszka wrote: >>> >>> Plain F15 is slow. SR2 = SR4 = 0. >> >> So it's not using chain4 mode. Can you check what mode the adapter is >> actually in and how VRAM is accessed? Likely, there is nothing we can do >> about it. /me just wonders what makes F15 grub behave differently from >> other distro's versions... >> > > Do you remember offhand which registers I need to look at?
No, just that there are quite a few. You could check e.g. http://www.osdever.net/FreeVGA/vga/vga.htm for descriptions. Also check what paths the mmio handlers take. > > We need a collection of gdb scripts to find a qdev, dump the memory > hierarchy, look up gpas, and get info about specific devices. ...or finally have a "device-show" monitor command to dump the device state. More stable /wrt QEMU internals. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux
