RE: MMU tricks for NetBSD guests

2009-04-02 Thread Liu Yu-B13201
> -Original Message- > From: Hollis Blanchard [mailto:holl...@us.ibm.com] > Sent: Friday, April 03, 2009 4:08 AM > To: Rahul Kulkarni > Cc: Liu Yu-B13201; kvm-ppc@vger.kernel.org; Alexander Graf > Subject: MMU tricks for NetBSD guests > > On Thu, 2009-04-02 at 11:56 -0700, Rahul Kulkarni

RE: PowerPC KVM build directions

2009-04-02 Thread Liu Yu-B13201
> -Original Message- > From: Hollis Blanchard [mailto:holl...@us.ibm.com] > Sent: Friday, April 03, 2009 12:00 AM > To: Liu Yu-B13201 > Cc: Rahul Kulkarni; kvm-ppc@vger.kernel.org > Subject: RE: PowerPC KVM build directions > > On Thu, 2009-04-02 at 10:52 +0800, Liu Yu-B13201 wrote: > >

Re: MMU tricks for NetBSD guests

2009-04-02 Thread Alexander Graf
On 02.04.2009, at 22:08, Hollis Blanchard wrote: On Thu, 2009-04-02 at 11:56 -0700, Rahul Kulkarni wrote: Rahul, one major quirk we exploit is that Linux does not use the MSR[AS] bit at all. One way that bit could be used is to give 32-bit userspace a separate 4GB address space from the ke

MMU tricks for NetBSD guests

2009-04-02 Thread Hollis Blanchard
On Thu, 2009-04-02 at 11:56 -0700, Rahul Kulkarni wrote: > > Rahul, one major quirk we exploit is that Linux does not use the > MSR[AS] > bit at all. One way that bit could be used is to give 32-bit userspace > a > separate 4GB address space from the kernel. Instead, Linux puts both > kernel and u

NetBSD and device trees

2009-04-02 Thread Hollis Blanchard
(I'll address the MMU issue in a separate mail.) On Thu, 2009-04-02 at 11:56 -0700, Rahul Kulkarni wrote: > Another potential issue could be the initial environment (described > earlier as option 2) not being what BSD expects. Do you use u-boot? > You > can see the initial environment set up in kv

RE: PowerPC KVM build directions

2009-04-02 Thread Rahul Kulkarni
Thanks Hollis for the pointer's..pls see inline.. -Original Message- From: Hollis Blanchard [mailto:holl...@us.ibm.com] Sent: Thursday, April 02, 2009 9:00 AM To: Liu Yu-B13201 Cc: Rahul Kulkarni; kvm-ppc@vger.kernel.org Subject: RE: PowerPC KVM build directions On Thu, 2009-04-02 at 10

RE: PowerPC KVM build directions

2009-04-02 Thread Hollis Blanchard
On Thu, 2009-04-02 at 10:52 +0800, Liu Yu-B13201 wrote: > > > Since KVM supports a NetBSD 4.0 guest (I > > think) and 8544/e500 emulation is already present in qemu -- > > theoretically the first part should work...but I recall Liu > > mentioning that there might be some OS specific quirks >