Re: [RFC PATCH] target/hppa: Introduce and use IAQEntry

[Sven Schnelle <svens@stackframe.org>]

Sven Schnelle <svens@stackframe.org> writes:

> Hi Richard,
>
> Richard Henderson <richard.henderson@linaro.org> writes:
>
>> Wrap offset and space into a single structure, with
>> offset represented either as a constant or as variable.
>> This enhances copy_iaoq_entry to copy the space, and at
>> the same time simplifying the code.
>>
>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
>> ---
>>
>> Sven, I think this might solve your branch-with-space-change issue.
>> There are a couple of places where it does appear as if we might be
>> losing a space change, with a branch within a branch delay slot.
>> I'm trying to solve this by keeping both queue entries together.
>
> Thanks! I've put that on top of the other changes i have for 64bit
> HP-UX, but it introduces a new problem:
>
>        * Checking configuration for consistency...
> WARNING: The disk at: 10/0/0/0.0.0 (QEMU_QEMU_HARDDISK) appears to contain a 
>          file system and boot area.  Continuing the installation will destroy 
>          any existing data on this disk.
>
>          Do you wish to cancel the non-interactive installation in order to
>          respond to the warnings above? ([y]/n): n
>   
>        * Loading configuration utility...
>        * Beginning installation from source: /dev/dsk/c0t2d0
> =======  03/19/24 13:59:53 EST  Starting system configuration...
>        * Configure_Disks:  Begin
>        * Will install B.11.11 onto this system.
>        * Creating LVM physical volume "/dev/rdsk/c0t0d0" (10/0/0/0.0.0).
>        * Creating volume group "vg00".
> vgcreate: Illegal path "".
>        * Creating logical volume "vg00/lvol1" (/stand).
> lvcreate: Illegal path "".
>        * Creating logical volume "vg00/lvol2" (swap_dump).
> lvcreate: Illegal path "".
>        * Creating logical volume "vg00/lvol3" (/).
> lvcreate: Illegal path "".
>        * Creating logical volume "vg00/lvol4" (/tmp).
> lvcreate: Illegal path "".
>        * Creating logical volume "vg00/lvol5" (/home).
> lvcreate: Illegal path "".
>        * Creating logical volume "vg00/lvol6" (/opt).
> lvcreate: Illegal path "".
>
> The 'illegal path' errors where not present before. I haven't done any
> debugging, as debugging hppa userspace in qemu is a really time
> consuming thing.

I'm seeing the same error with 32bit HP-UX 10.20 - so at least it's not
caused by my 64bit hacks. Linux seems to run fine, but Linux is also
utilizing address spaces not to the same extent as HP-UX.