[Info-vax] VAX VMS going forward

[Simon Clubley]

On 2020-07-24, VAXman-  @SendSpamHere.ORG <VAXman- at SendSpamHere.ORG> wrote:
> In article <rfeknc$al6$2 at dont-email.me>, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>>
>>How much work would be involved in moving what is currently in P1 space to
>>somewhere up the 64-bit memory map to just below where the kernel is mapped ?
>>
>>For one example, how much of the P1 code and data structures are still
>>32-bit only ?
>>
>>That would mean as well that you would have P1 data cells with different
>>locations on the system depending on whether you are running in 32-bit
>>or 64-bit mode.
>>
>>There's also the question of whether flat 64-bit addresses are a process
>>level attribute or an image level attribute. Think about what that means
>>for P1 space as well as for mixing 32-bit and 64-bit applications in the
>>same process space.
>
> Read the I&DS instead of allowing it to merely occupy bookshelf space.
>

So have you been to the year 2030 and brought back a copy of the future
I&DS for me to read ?

We are talking about a possible _flat_ 64-bit address space and what
that would mean for VMS internally. We are not talking about the current
32-bit/64-bit hybrid mode.

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.