[Top] [All Lists]

Re: MIPS_ATOMIC_SET again (Re: newest kernel

To: "Maciej W. Rozycki" <>
Subject: Re: MIPS_ATOMIC_SET again (Re: newest kernel
From: Florian Lohoff <>
Date: Sat, 26 May 2001 15:14:28 +0200
Cc: Joe deBlaquiere <>, Jun Sun <>,, Pete Popov <>, George Gensure <>,, "Kevin D. Kissell" <>
In-reply-to: <>; from on Thu, May 24, 2001 at 11:32:29AM +0200
Organization: rfc822 - pure communication
References: <> <>
User-agent: Mutt/1.3.15i
On Thu, May 24, 2001 at 11:32:29AM +0200, Maciej W. Rozycki wrote:
> On Wed, 23 May 2001, Joe deBlaquiere wrote:
> > ll/sc emulation. If somebody wants to make a MIPS I optimized glibc, 
> > then that's fine, but allowing the 'standard' MIPSII glibc to work on 
> > all systems simplifies life ( mine at least ;) ).
>  I have no objections against providing an ll/sc emulation -- I have never
> had and certainly haven't expressed them.  What I insist on is to keep
> ISA-I-compiled glibc not making use of ll/sc.  Anyone feel free to finish
> the emulation we have.
>  Anyway, an ISA-II-compiled glibc won't work on an ISA I system even if
> the ll/sc emulation works.  An ISA II is more than just an addition of the
> ll and sc instructions.  There were also branch likely, trap and
> doubleword coprocessor load instructions added in ISA II.  Do you want to
> emulate these, too? 

Isnt this the reason why Linux/Mips userspace is compiles with ISA I + ll/sc ?

Florian Lohoff                     +49-5201-669912
     Why is it called "common sense" when nobody seems to have any?

<Prev in Thread] Current Thread [Next in Thread>