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Old 25th September 2017
aimeec1995 aimeec1995 is offline
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Default OpenBSD - 0 mapping

On OpenBSD it is supposedly impossible to build wine due to 0 mapping not being allowed. In FreeBSD, it is easy to enable and disable 0 mapping. So My question is: would it be easy to enable or add 0 mapping back into OpenBSD?
What would I do?
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Old 25th September 2017
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jggimi jggimi is offline
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Quote:
Originally Posted by aimeec1995 View Post
...due to 0 mapping...
???
Quote:
...
What would I do?
The emulators/wine port was never operational, but was in the ports tree from November 1997 to July 2011. After more than 13 years of work, development was abandoned.

This is OpenBSD. You are welcome to restart emulators/wine development yourself, should you wish to. You can obtain the last version of the port with $ cvs get -D 20110701 ports/emulators/wine with $CVSROOT pointing to your nearest AnonCVS repository.

Last edited by jggimi; 25th September 2017 at 12:20 PM. Reason: CVSROOT mentioned
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Old 25th September 2017
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cynwulf cynwulf is offline
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Refers to this I believe: https://www.freebsd.org/security/adv...09:05.null.asc

I don't know enough about this or how/if similar is implemented in OpenBSD, to comment further.
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Old 25th September 2017
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jggimi jggimi is offline
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Thank you. While I don't know why emulators/wine was never functional, I have additional comment.

I noted in your reference:
Quote:
On most architectures, the FreeBSD kernel splits the process virtual memory address space into two portions: user and kernel.
My recollection is that on OpenBSD kernel and userland address spaces are separate. I could be wrong, of course.

And, with the singular exception of securelevel(7), OpenBSD doesn't have security knobs. You will find there is no security.* branch of sysctl settings as there is in FreeBSD, for example.
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