Re: [Qemu-devel] [0/27] Implement emulation of pSeries logical partitions (v6)

[Alexander Graf]

On 01.04.2011, at 21:20, Anthony Liguori wrote:

> On 04/01/2011 01:01 PM, Alexander Graf wrote:
>> On 01.04.2011, at 19:28, Anthony Liguori wrote:
>> 
>>> On 03/31/2011 11:15 PM, David Gibson wrote:
>>>> This patch series adds a "pseries" machine to qemu, allowing it to
>>>> emulate IBM pSeries logical partitions.  More specifically it
>>>> implements the interface defined by the "PowerPC Architecture Platform
>>>> Requirements" document (PAPR, or sPAPR for short).
>>>> 
>>>> Along the way we add a bunch of support for more modern ppc CPUs than
>>>> are currently supported.  It also makes some significant cleanups to
>>>> the translation code for hash page table based ppc MMUs.
>>>> 
>>>> Please apply.
>>> So what's a typical invocation for this?  Is:
>>> 
>>> qemu-system-ppc64 -m pseries foo.img -nographics
>> If you run an image that requires firmare, you also need to pass in -m with 
>> at least 512MB, otherwise yes, that's how it works :).
> 
> FYI, trying to do a Debian install results in:
> 
> Trying to write invalid spr 536 218 at 00000000014034d4
> 
> Followed by a tight loop of writing empty characters to the serial port.
> 
> My command is:
> 
> ppc64-softmmu/qemu-system-ppc64 -cdrom ~/isos/debian-6.0.1a-powerpc-DVD-1.iso 
> -boot d -m 512 -serial vc -monitor stdio -M pseries

Weird. SLES11SP1 works pretty well:


address@hidden:~/git/qemu> ./ppc64-softmmu/qemu-system-ppc64 -M pseries 
-nographic -m 1G -cdrom 
/mounts/dist/install/SLES-11-SP1-GM/SLES-11-SP1-DVD-ppc64-GM-DVD1.iso 


SLOF **********************************************************************
QEMU Starting
 Build Date = Mar 23 2011 15:55:48
 FW Version = dgibson@(private build)
 Press "s" to enter Open Firmware.

Populating /vdevice methods
Populating /vdevice/address@hidden
Populating /vdevice/address@hidden
Populating /vdevice/address@hidden
VSCSI: Initializing
VSCSI: Looking for disks
  SCSI ID 2 CD-ROM   : "QEMU     QEMU CD-ROM      0.14"
No NVRAM common partition, re-initializing...
     




  Welcome to Open Firmware

  Copyright (c) 2004, 2011 IBM Corporation All rights reserved.
  This program and the accompanying materials are made available
  under the terms of the BSD License available at
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Trying to load:  from: disk ... 
E3405: No such device
Trying to load:  from: cdrom ...   Successfully loaded

yaboot starting: loaded at 00040000 000657a8 (0/0/0e1004c4; sp: 0e149ff0)
Config file 'yaboot.cnf' read, 285 bytes



  Welcome to SuSE Linux Enterprise 11!

  Type  "install"  to start the YaST installer on this CD/DVD
  Type  "slp"      to start the YaST install via network
  Type  "rescue"   to start the rescue system on this CD/DVD


Welcome to yaboot version r22.8-r1190.SuSE
booted from '/vdevice/address@hidden/address@hidden,0:\suseboot\yaboot.ibm'
running with firmware 'SLOF,HEAD' on model 'QEMU'
Enter "help" to get some basic usage information
boot: 
Please wait, loading kernel...
Allocated 01800000 bytes for executable @ 00d00000
   Elf32 kernel loaded...

SuSE Linux zImage starting: loaded at 00d00000-0239cd30 (4000000/0/0e1004c4; 
sp: 0e149d70)
uncompressing ELF header done. (00000100 bytes)
Allocated 0164c090 bytes for kernel @ 02500000
Allocated 0122a5ba bytes for initrd @ 03b4d000
uncompressing kernel done. (00f5a920 bytes)
entering kernel at 02510000(3b4d000/122a5ba/0e1004c4)
OF stdout device is: /vdevice/address@hidden
Preparing to boot Linux version 2.6.32.12-0.7-ppc64 (address@hidden) (gcc 
version 4.3.4 [gcc-4_3-branch revision 152973] (SUSE Linux) ) #1 SMP 2010-05-20 
11:14:20 +0200
Max number of cores passed to firmware: 0x0000000000000400
Calling ibm,client-architecture-support... not implemented
couldn't open /packages/elf-loader
command line: quiet sysrq=1 insmod=sym53c8xx insmod=ipr             
memory layout at init:
  memory_limit : 0000000000000000 (16 MB aligned)
  alloc_bottom : 0000000004d80000
  alloc_top    : 0000000030000000
  alloc_top_hi : 0000000040000000
  rmo_top      : 0000000030000000
  ram_top      : 0000000040000000
instantiating rtas at 0x000000002fff0000... done
boot cpu hw idx 0000000000000000
copying OF device tree...
Building dt strings...
Building dt structure...
Device tree strings 0x0000000004d90000 -> 0x0000000004d904e4
Device tree struct  0x0000000004da0000 -> 0x0000000004db0000
Calling quiesce...
VSCSI: Cleaning up
returning from prom_init
CF000012
CF000015ch
CF000020ne
CF000021t
SUSE Linux
#1 SMP 2010-05-2rtas_flash: no firmware flash support
Moving into tmpfs... done.
Integrating /parts/00_lib
insmod /modules/squashfs.ko
mount: /parts/00_lib: we need a loop device
mount: using /dev/loop0
Integrating /parts/01_usr
mount: /parts/01_usr: we need a loop device
mount: using /dev/loop1


>>> SUSE Linux Enterprise Server 11 installation program v3.3.59 (c) 1996-2010 
>>> SUSE Linux Products GmbH <<<

Starting udev... 
[...]