Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 19 Jul 2011 02:59:34 +0200
From:      Attilio Rao <attilio@freebsd.org>
To:        Marcel Moolenaar <marcel@xcllnt.net>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r224187 - in head: sys/amd64/amd64 sys/arm/arm sys/arm/sa11x0 sys/i386/i386 sys/ia64/ia64 sys/kern sys/mips/mips sys/powerpc/aim sys/powerpc/booke sys/sparc64/sparc64 sys/sys usr.bin/vm...
Message-ID:  <CAJ-FndDfQB-oJbc_R8b36LSjn=OzLRNZJ-P_%2BA1w=pkxhcUi_w@mail.gmail.com>
In-Reply-To: <208D139E-CDC3-428D-8D5F-F772BFAF164C@xcllnt.net>
References:  <201107181519.p6IFJfOK028280@svn.freebsd.org> <208D139E-CDC3-428D-8D5F-F772BFAF164C@xcllnt.net>

next in thread | previous in thread | raw e-mail | index | archive | help
2011/7/19 Marcel Moolenaar <marcel@xcllnt.net>:
>
> On Jul 18, 2011, at 8:19 AM, Attilio Rao wrote:
>
>> Author: attilio
>> Date: Mon Jul 18 15:19:40 2011
>> New Revision: 224187
>> URL: http://svn.freebsd.org/changeset/base/224187
>>
>> Log:
>> =C2=A0- Remove the eintrcnt/eintrnames usage and introduce the concept o=
f
>> =C2=A0 =C2=A0sintrcnt/sintrnames which are symbols containing the size o=
f the 2
>> =C2=A0 =C2=A0tables.
>> =C2=A0- For amd64/i386 remove the storage of intr* stuff from assembly f=
iles.
>> =C2=A0 =C2=A0This area can be widely improved by applying the same to ot=
her
>> =C2=A0 =C2=A0architectures and likely finding an unified approach among =
them and
>> =C2=A0 =C2=A0move the whole code to be MI. More work in this area is exp=
ected to
>> =C2=A0 =C2=A0happen fairly soon.
>>
>> =C2=A0No MFC is previewed for this patch.
>
> You just broke ia64 and possibly other 64-bit architectures:
>
> ".word" declares a 16-bit integral on ia64 and the size symbols
> are of type size_t (=3D64 bit). We'll be having misaligned loads
> (=3D kernel panics) and/or reading garbage...

I'm a bit surprised of this though.
.hword was supposed to be the 16-bit integral, while .word was
supposed to be the 32-bits one, if I read my "info as" on amd64.

Anyway, what do you think about this patch? (I still need to test it):
http://www.freebsd.org/~attilio/64bits-fixup.diff

Thanks,
Attilio


--=20
Peace can only be achieved by understanding - A. Einstein



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-FndDfQB-oJbc_R8b36LSjn=OzLRNZJ-P_%2BA1w=pkxhcUi_w>