From: Grant Edwards <grante@visi.com>
To: Gary Thomas <gthomas@cambridge.redhat.com>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] RedBoot serial rx interrupts
Date: Sat, 13 Jan 2001 12:37:00 -0000 [thread overview]
Message-ID: <20010113144137.A30014@visi.com> (raw)
In-Reply-To: <XFMail.20010113081726.gthomas@cambridge.redhat.com>
On Sat, Jan 13, 2001 at 08:17:26AM -0700, Gary Thomas wrote:
>
> On 12-Jan-2001 Grant Edwards wrote:
> >
> > I've got RedBoot running fine without network support. It's
> > using polled serial I/O: the individual serial Rx interrupts
> > are unmasked but the global interrupt mask is set.
> >
> > [Why are interrupts being unmasked when polled I/O is being
> > used?]
> >
>
> It should not. Where are you seeing this [which file/line]?
hal/common/src/hal_if.c line 419 (at end of hal_ctrlc_isr_init()).
I suspect this appears to be happening because
CYGSEM_HAL_ROM_MONITOR == 0 (because CYG_HAL_STARTUP == RAM ?)
> Are you sure about all of these questions? RedBoot absolutely _never_
> touches interrupts. The only time interrupts are used is by eCos
> applications.
I'm going to try to force CYGSEM_HAL_ROM_MONITOR to 1, to see
what happens.
I there a list of what the values for all of the configuration flags
need to be in order for RedBoot to work?
--
Grant Edwards
grante@visi.com
next prev parent reply other threads:[~2001-01-13 12:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-12 15:09 Grant Edwards
2001-01-13 7:17 ` Gary Thomas
2001-01-13 12:37 ` Grant Edwards [this message]
2001-01-13 12:52 ` Gary Thomas
2001-01-13 12:57 ` Grant Edwards
2001-01-13 13:45 ` Grant Edwards
2001-01-13 14:11 ` Gary Thomas
2001-01-13 14:31 ` Grant Edwards
2001-01-13 15:13 ` Gary Thomas
2001-01-13 15:32 ` Grant Edwards
2001-01-15 4:02 ` Nick Garnett
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