Re: [Qemu-devel] xen / qemu convergence ?

2007-12-18 Thread Ian Jackson
andrzej zaborowski writes ("Re: [Qemu-devel] xen / qemu convergence ?"): > There's currently no way in qemu to map a chunk of host memory to > guest memory 1:1 if it's not in phys_ram_base, so all video adapters > in qemu do that. Mapped memory that's part of phy

Re: [Qemu-devel] xen / qemu convergence ?

2007-12-17 Thread Paul Brook
> I don't really understand why the vga is handled in this way in qemu > but then I'm not an expert on PC graphics hardware. Is it necessary > or desirable for the VGA RAM to take up virtual address space in this > way, or is there some other reason why VGA RAM in the ordinary vga > driver is rega

Re: [Qemu-devel] xen / qemu convergence ?

2007-12-17 Thread andrzej zaborowski
On 17/12/2007, Ian Jackson <[EMAIL PROTECTED]> wrote: > Paul Brook writes ("Re: [Qemu-devel] [PATCH] ioemu/qemu vga: save and > > restore vram buffer (revised)"): If you look closer, you'll find > > that s->vram_ptr actually points to an offset from phys_ram_base. So > > the VGA framebuffer is alre

Re: [Qemu-devel] xen / qemu convergence ?

2007-12-17 Thread Ian Jackson
Paul Brook writes ("Re: [Qemu-devel] [PATCH] ioemu/qemu vga: save and > restore vram buffer (revised)"): If you look closer, you'll find > that s->vram_ptr actually points to an offset from phys_ram_base. So > the VGA framebuffer is already saved by ram_save. Oh yes. That's not the case in the Xe