On 02/04/2010 05:55 PM, Alexander Graf wrote:
Right now MMIO access can only happen for GPRs and is at most 32 bit wide.
That's actually enough for almost all types of hardware out there.
Unfortunately, the guest I was using used FPU writes to MMIO regions, so
it ended up writing 64 bit MMIOs
On 02/04/2010 05:55 PM, Alexander Graf wrote:
The guest I was trying to get to run uses the LHA and LHAU instructions.
Those instructions basically do a load, but also sign extend the result.
Since we need to fill our registers by hand when doing MMIO, we also need
to sign extend manually.
On 02/04/2010 05:55 PM, Alexander Graf wrote:
The one big thing about the Gekko is paired singles.
Paired singles are an extension to the instruction set, that adds 32 single
precision floating point registers (qprs), some SPRs to modify the behavior
of paired singled operations and
On 02/04/2010 05:55 PM, Alexander Graf wrote:
In an effort to get KVM on PPC more useful for other userspace users than
Qemu, I figured it'd be a nice idea to implement virtualization of the
Gekko CPU.
The Gekko is the CPU used in the GameCube. In a slightly more modern
fashion it lives on in
Am 07.02.2010 um 13:54 schrieb Avi Kivity a...@redhat.com:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
In an effort to get KVM on PPC more useful for other userspace
users than
Qemu, I figured it'd be a nice idea to implement virtualization of
the
Gekko CPU.
The Gekko is the CPU used in
Am 07.02.2010 um 13:32 schrieb Avi Kivity a...@redhat.com:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
The guest I was trying to get to run uses the LHA and LHAU
instructions.
Those instructions basically do a load, but also sign extend the
result.
Since we need to fill our registers
Am 07.02.2010 um 13:29 schrieb Avi Kivity a...@redhat.com:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
Right now MMIO access can only happen for GPRs and is at most 32
bit wide.
That's actually enough for almost all types of hardware out there.
Unfortunately, the guest I was using used
Am 07.02.2010 um 13:50 schrieb Avi Kivity a...@redhat.com:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
The one big thing about the Gekko is paired singles.
Paired singles are an extension to the instruction set, that adds
32 single
precision floating point registers (qprs), some SPRs to
On 02/07/2010 05:57 PM, Alexander Graf wrote:+
+dprintk(KERN_INFO FPU Emulator 0x%x ( 0x%llx, 0x%llx, 0x%llx
), inst,
+inout[1], inout[2], inout[3]);
+
+call_stack =kvmppc_call_stack[(smp_processor_id() * 2)];
+call_stack[0] = inst;
+/* call_stack[1] is INS_BLR
On 02/07/2010 06:32 AM, Avi Kivity wrote:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
The guest I was trying to get to run uses the LHA and LHAU instructions.
Those instructions basically do a load, but also sign extend the result.
Since we need to fill our registers by hand when doing MMIO,
Am 07.02.2010 um 17:27 schrieb Anthony Liguori anth...@codemonkey.ws:
On 02/07/2010 06:32 AM, Avi Kivity wrote:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
The guest I was trying to get to run uses the LHA and LHAU
instructions.
Those instructions basically do a load, but also sign extend
Avi Kivity wrote:
On 02/07/2010 05:49 PM, Alexander Graf wrote:
Am 07.02.2010 um 13:54 schrieb Avi Kivity a...@redhat.com:
On 02/04/2010 05:55 PM, Alexander Graf wrote:
In an effort to get KVM on PPC more useful for other userspace
users than
Qemu, I figured it'd be a nice idea to implement
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