Re: [PATCH] KVM: emulator: Handle wraparound in (cs_base + offset) when fetching.

2011-04-17 Thread Avi Kivity
On 04/13/2011 06:44 PM, Nelson Elhage wrote: Currently, setting a large (i.e. negative) base address for %cs does not work on a 64-bit host. The "JOS" teaching operating system, used by MIT and other universities, relies on such segments while bootstrapping its way to full virtual memory manageme

Re: [PATCH] KVM: emulator: Handle wraparound in (cs_base + offset) when fetching.

2011-04-13 Thread Avi Kivity
On 04/13/2011 06:44 PM, Nelson Elhage wrote: Currently, setting a large (i.e. negative) base address for %cs does not work on a 64-bit host. The "JOS" teaching operating system, used by MIT and other universities, relies on such segments while bootstrapping its way to full virtual memory manageme

[PATCH] KVM: emulator: Handle wraparound in (cs_base + offset) when fetching.

2011-04-13 Thread Nelson Elhage
Currently, setting a large (i.e. negative) base address for %cs does not work on a 64-bit host. The "JOS" teaching operating system, used by MIT and other universities, relies on such segments while bootstrapping its way to full virtual memory management. Signed-off-by: Nelson Elhage --- arch/x8