[TUHS] boot block in v7 bootable on rp06 in simh
Will Senn
will.senn at gmail.com
Sun Dec 6 06:08:47 AEST 2015
Thanks for the clarification and information. I will keep these things
in mind.
Regards,
Will
On 12/5/15 1:53 PM, Clem Cole wrote:
> You are most welcome -- BTW: the first name is Clement, my last is
> Cole and my friends call me Clem.
>
> One thing to remember... when woring with older versions of UNIX its
> not a good idea to be modify in the a partition that is live. Later
> versions were better about keeping the buffering system of your way.
>
> Ken wrote the standalone tools for V7 so you do those sort of low
> level things from it.
>
> Best wishes.
>
> Clem
>
> On Sat, Dec 5, 2015 at 2:47 PM, Clem Cole <clemc at ccc.com
> <mailto:clemc at ccc.com>> wrote:
>
> Ah I gather you are running on rp0 (ie it's mounted as root).
>
> Do the dd from the standalone system or boot from an rk05
>
> On Sat, Dec 5, 2015 at 12:44 PM, Will Senn <will.senn at gmail.com
> <mailto:will.senn at gmail.com>> wrote:
>
>
>
> On 12/5/15 11:26 AM, Clem Cole wrote:
>>
>> On Sat, Dec 5, 2015 at 12:03 PM, Will Senn
>> <will.senn at gmail.com <mailto:will.senn at gmail.com>> wrote:
>>
>> I am unable to boot from the RP06 disk that I installed
>> into the boot block onto via:
>> dd if=/usr/mdec/hpuboot of=/dev/rp0 count=1
>>
>> Doing this from memory as couple of issues:
>>
>> 1.) do an ls -l of /dev/*rp* you need to use the raw
>> (character) driver not the blocked driver
>> 2.) I believe the hp/rp driver is partitioned. Make sure
>> you use the proper partition.
>>
>>
> Clem,
>
> I tried it with the raw device and partition 0. Here are the
> devices and my approach:
>
> # ls /dev/*rp*
> /dev/rp0
> /dev/rp3
> /dev/rrp0
> /dev/rrp3
>
> # /etc/mount /dev/rp3 /usr
> # dd if=/usr/mdec/hpuboot of=/dev/rrp0 count=1 conv=sync
> 0+1 records in
> 1+0 records out
> or
> # dd if=/usr/mdec/hpuboot of=/dev/rrp0 count=1
> 0+1 records in
> 0+1 records out
>
> # sync
> # sync
> # sync
> CTRL-E
>
> Simulation stopped, PC: 002306 (MOV (SP)+,177776)
> sim> q
> Goodbye
>
> TERRA:bostic-v7 wsenn$ pdp11 nboot.ini
>
> PDP-11 simulator V4.0-0 Beta git commit id: 0f43551d
>
> Disabling XQ
>
> Hangs either way!
>
>
>
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