On 9/20/06, Ruslan Ermilov <[EMAIL PROTECTED]> wrote:
On Wed, Sep 20, 2006 at 09:44:49AM -0700, Maksim Yevmenkin wrote:
> On 9/20/06, Ruslan Ermilov <[EMAIL PROTECTED]> wrote:
> >On Wed, Sep 20, 2006 at 09:28:46AM -0700, Maksim Yevmenkin wrote:
> >> On 9/20/06, Ruslan Ermilov <[EMAIL PROTECTED]> wrote:
> >> >Here's another demo that indicates that sparc64 doesn't work
> >> >properly. In this case it's a CONS_SETKBD ioctl which is used
> >> >by kbdcontrol(8). I "kldload vkbd" and make sure two vkbd
> >> >instances exist, /dev/vkbdctl0 and /dev/vkbdctl1.
> >>
> >> [...]
> >>
> >> actually, i just tracked this down as part of my work on pr
> >> sparc64/96798. there are few problems mentioned in this pr. kbdcontrol
> >> -k not working is just one of them.
> >>
> >> basically, kb_index is wrong, and, in my case, is always 0. which
> >> defaults to first keyboard (i.e. subkbd(4)). that is why i can not use
> >> kbdcontrol -k to switch between sunkbd(4) and, say, ukbd(4).
> >>
> >Yes, this is the endianness bug we were talking about.
> >Hold on, the fix is almost ready. :-)
>
> sure, btw i think CONS_SETKBD is easy. nothing seems to calling it
> from the kernel, so we could (intptr_t *) cast it and it should just
> work. i really want to change it to
>
> #define CONS_SETKBD _IOW('c', 110, int)
>
Yes, it would break both binary and source API compatibility. No
we cannot do it.
ok, i just tested the following patch on sparc64 and it makes
'kbdcontrol -k' work as expected. i can now switch between ukbd0 and
sunkbd0 without any problems.
--- syscons.c.orig Fri Mar 3 16:41:28 2006
+++ syscons.c Wed Sep 20 09:57:09 2006
@@ -1194,7 +1194,7 @@
keyboard_t *newkbd;
s = spltty();
- newkbd = kbd_get_keyboard(*(int *)data);
+ newkbd = kbd_get_keyboard(*(intptr_t *)data);
if (newkbd == NULL) {
splx(s);
return EINVAL;
can i commit it?
thanks,
max
p.s. yes, i know, there are few other ioctl's with the same problem. i
just want to address it one ioctl at a time :)
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