[FreeVMS] VMS?

Renee rmctwo at gmail.com
Mon Apr 25 05:11:46 CEST 2011


No that's not what they are doing. Like Joel said .... you are close to VMS.
I had no idea, how close.

How many levels of interupts are there? Does it have IPLs and if so, how
many?

Renee

-----Original Message-----
From: freevms-bounces at rayleigh.systella.fr
[mailto:freevms-bounces at rayleigh.systella.fr] On Behalf Of Levi Stanley
Sent: Sunday, April 24, 2011 6:46 PM
To: FreeVMS mailing list
Subject: Re: [FreeVMS] VMS?

So you are doing basically what Apple did with the Mach kernel just
adding on the BSD layer, in your case, you are using L4 and adding on
the VMS layer.

Okay downloading the latest from git.

On 04/24/11 22:30, Roar Thronæs wrote:
> On Sun, Apr 24, 2011 at 07:49:07PM +0200, BERTRAND Joel wrote:
>> statistic indicates more than 4000 hits by day). 0.3.x was based on 
>> Linux kernel
> I can repeat to make sure.
> The 0.3 and its kernel is to be considered a VMS-ish, featuring:
>
>         Control mechanisms: Software interrupts, ASTs
>         Synchronization: Event flags, locks, spinlocks, mutexes
>         Scheduling, time support, process control and communication
>         Memory management: Working set list, swapper, pools
>         Input/output: QIO, mailboxes, terminal driver
>         Image support: VMS Images and ELF
>         Miscellaneous: Logical names SMP
>
> 	RMS and ODS-2.
> 	CMUIP.
> 	DCL and utilities (subset).
> 	Utilities CDU, MSG, Authorize, Install, Analyze/system (subset).
>
> So if this was not closing in to be a VMS, then please tell me what is.
>

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