Re: Is OpenPIC mandatory for an ofppc-machine?

[Maxim Bourmistrov <maxim%unixconn.com@localhost>]

if(ukrop) {
while(1) {
        punch();
        if(!ukrop)
                break;
 }

}

On 5 sep 2014, at 22:01, Artyom Tarasenko <atar4qemu%gmail.com@localhost> wrote:

> Hi,
> 
> experimenting with Open Firmware for QEMU PReP target.
> 
> The kernel starts loading, but hangs at (I guess OpenPIC) initialization:
> 
> ok boot cdrom:,\NBSD\OFWBOOT
> Boot device: /pci/ide/disk@2,0:,\NBSD\OFWBOOT  Arguments:
> 
>>> NetBSD/ofppc OpenFirmware Boot, Revision 1.10
>>> (builds%b6.netbsd.org@localhost, Sat Nov  6 17:13:39 UTC 2010)
> open /netbsd.ofppc: Device not configured
> open /netbsd: Device not configured
> open /netbsd.gz: Device not configured
> open onetbsd: Device not configured
> Boot: disk1
> 9760152+174104 [260608+254888]=0x9f774c
> start=0x100000
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
>    2006, 2007, 2008, 2009, 2010, 2011, 2012
>    The NetBSD Foundation, Inc.  All rights reserved.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
>    The Regents of the University of California.  All rights reserved.
> 
> NetBSD 6.1.3 (INSTALL)
> Model: QEMU PReP
> total memory = 128 MB
> avail memory = 113 MB
> bootpath: disk1/netbsd
> mainbus0 (root)
> cpu0 at mainbus0: 603 (Revision 1.0), ID 0 (primary)
> cpu0: HID0 0x90c002<DOZE,DPM,ICE,DCE,NOPDST>, powersave: 1
> cpu0: L1 I-cache 8 KB 0B/line, D-cache 8 KB 0B/line
> ofwpci0 at mainbus0
> 
> And here it hangs. Saw in some boot logs openpic initialization here.
> QEMU uses an i8259, can this be the reason?
> 
> -- 
> Regards,
> Artyom Tarasenko
> 
> SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu