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Message-ID: <5664C00A.3000106@vantagetitle.com>
Date: Sun, 6 Dec 2015 18:08:58 -0500
From: Administrator <administrator@...tagetitle.com>
To: musl@...ts.openwall.com
Subject: Re: SPARC Support
So does arch/bits/*.h define all of the kernel interfaces musl needs, or
does it overwrite hard-coded defaults elsewhere in the code? I'll take a
look at the aarch64 port, musl is something i'd really like to implement
on our sparc machines, so this will probably be something i tackle over
the next few months.
On 12/6/2015 8:52 AM, Szabolcs Nagy wrote:
> * Administrator <administrator@...tagetitle.com> [2015-12-06 02:01:50 -0500]:
>> Is there anyone working on supporting this architecture? I am using glibc
>> for now until i can get musl to compile on it. I am correct, in a perfect
>> world, that all i need is to put the necessary files in /arch and fix up the
>> configure script to accept the correct ARCH variable?
>>
> someone on irc looked at sparc about half a year ago,
> but i don't know how far that got.
>
> git log --stat 01ef3dd9c5fa7a56aa370f244dd08e05c73010f5
>
> shows which files were changed in the aarch64 port,
> most of them are mandatory for a port.
>
>> Does the /arch dir simply override pre-existing definitions in musl, or are
>> there certain files that absolutely have to be there? I see powerpc there,
>> which allows me to assume that most of the work regarding endianess is
>> already there.
> endianness is not an issue (there is nothing in musl
> that can meaningfully depend on endianness.. except
> some linux syscall api structs need endian dependent
> paddings, but that's target specific code).
>
> the real issue is that the linux kernel interfaces
> for sparc have a lot of gratuitous incompatibilities
> with other targets so doing arch/sparc/bits/*.h
> is a significant amount of work.
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