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Re: [PATCH] a.out kernel loader


From: Marco Gerards
Subject: Re: [PATCH] a.out kernel loader
Date: Tue, 29 Jan 2008 10:14:33 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux)

Bean <address@hidden> writes:

> On Jan 29, 2008 4:48 PM, Marco Gerards <address@hidden> wrote:
>> Bean <address@hidden> writes:
>>
>> > On Jan 28, 2008 5:11 PM, Robert Millan <address@hidden> wrote:
>> >> On Mon, Jan 28, 2008 at 04:10:42AM +0800, Bean wrote:
>> >> > > > >
>> >> > > > > How FreeBSD-specific is this?  Will the same module apply to 
>> >> > > > > other a.out
>> >> > > > > binaries ?  (I ask since you gave it a generic name)
>> >> > > >
>> >> > > > it's an old format of the unix system:
>> >> > > >
>> >> > > > http://en.wikipedia.org/wiki/A.out
>> >> > >
>> >> > > I know.. I was referring to your loader.
>> >> >
>> >> > it should be generic, but i only test it using the loader from freebsd.
>> >>
>> >> In that case, I'd suggest putting it directly in loader/ (without 
>> >> i386/pc/).
>> >>
>> >> Moving files on CVS is a PITA :-/
>> >
>> > ok, here is the new patch.
>>
>> It would be nice if a.out support could be shared so it can be used
>> for multiboot as well.
>
> you mean adding it to the multiboot module ?

The multiboot standard supports a.out.  It would be nice if it was
also capable of a.out.  So this code can somehow be shared, like ELF
support is shared now.

>> > +/* a_mid */
>> > +#define      MID_ZERO        0       /* unknown - implementation 
>> > dependent */
>> > +#define      MID_SUN010      1       /* sun 68010/68020 binary */
>> > +#define      MID_SUN020      2       /* sun 68020-only binary */
>> > +#define MID_I386     134     /* i386 BSD binary */
>> > +#define MID_SPARC    138     /* sparc */
>> > +#define      MID_HP200       200     /* hp200 (68010) BSD binary */
>> > +#define      MID_HP300       300     /* hp300 (68020+68881) BSD binary */
>> > +#define      MID_HPUX        0x20C   /* hp200/300 HP-UX binary */
>> > +#define      MID_HPUX800     0x20B   /* hp800 HP-UX binary */
>>
>> Like Robert asked, did you type this yourself?
>
> the header is copied from grub legacy image_aout.h, maybe i can format
> it properly.

Please do not blindly assume the copyright assignments for GRUB Legacy
are ok...  Perhaps they are not, I can't check...

--
Marco





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