From: Pete Popov <ppopov@mvista.com>
To: Richard Hodges <rh@matriplex.com>
Cc: linux-mips <linux-mips@oss.sgi.com>
Subject: Re: Arguments for kernel_entry?
Date: 05 Nov 2001 17:21:17 -0800 [thread overview]
Message-ID: <1005009677.27128.300.camel@zeus> (raw)
In-Reply-To: <Pine.BSF.4.10.10111051659510.600-100000@mail.matriplex.com>
On Mon, 2001-11-05 at 17:09, Richard Hodges wrote:
> Would anyone be able to provide information on the arguments
> to kernel_entry (in head.S)?
>
> The first two look pretty straightforward, argument count and
> string vectors. I assume that argument zero is actually the
> first argument, and not "vmlinux"?
>
> What are the third (ulong) and fourth (int *) arguments? I have
> read head.S and searched for days trying to find this info :-(
>
> I thought PMON would be a decent reference, but run_target() only
> seems to set $4 and $5, before calling _go().
That's boot code specific. MIPS Tech's yamon passes:
0: number of arguments
1: pointer to first arg
2: pointer to environment variables
3: pointer to prom routines you can call
Pete
next prev parent reply other threads:[~2001-11-06 1:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-06 1:09 Arguments for kernel_entry? Richard Hodges
2001-11-06 1:21 ` Pete Popov [this message]
2001-11-06 1:44 ` Richard Hodges
2001-11-06 2:07 ` Pete Popov
2001-11-06 21:58 ` _MIPS_SIM and others not defined by specs file warning Wayne Gowcher
2001-11-06 21:58 ` Wayne Gowcher
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