cvs commit: src/sys/dev/kbdmux kbdmux.c

Ruslan Ermilov ru at FreeBSD.org
Tue Sep 19 14:25:14 PDT 2006


On Wed, Sep 20, 2006 at 12:46:55AM +0400, Ruslan Ermilov wrote:
> On Wed, Sep 20, 2006 at 12:36:08AM +0400, Ruslan Ermilov wrote:
> > KDSETLED isn't used outside the kernel, so I assume you tested it
> > only when it's called from within the kernel?  If so, try passing
> > it from useland to see the endianness problem; I'm pretty sure it
> > will fire. [...]
> > 
> Can you please compile and run the following utility on sparc64,
> on any non-busy /dev/kbd*?
> 
> : #include <sys/kbio.h>
> : #include <sys/ioctl.h>
> : #include <err.h>
> : #include <stdio.h>
> : #include <stdlib.h>
> : 
> : int
> : main(void)
> : {
> :         int mode;
> : 
> :         if (ioctl(0, KDGKBMODE, &mode) == -1)
> :                 err(1, "ioctl(KDGKBMODE)");
> :         printf("current mode = %d\n", mode);
> : 
> :         if (ioctl(0, KDSKBMODE, mode) == -1)
> :                 err(1, "ioctl(KDSKBMODE)");
> : 
> :         if (ioctl(0, KDGKBMODE, &mode) == -1)
> :                 err(1, "ioctl(KDGKBMODE)");
> :         printf("current mode = %d\n", mode);
> : 
> :         exit (0);
> : }
> 
> On my i386 notebook after "kldload kbdmux" and the
> following config as a result:
> 
> lrwxr-xr-x  1 root  wheel  6 Jan  1  1970 /dev/kbd0 -> atkbd0
> lrwxr-xr-x  1 root  wheel  7 Sep 20 00:43 /dev/kbd1 -> kbdmux0
> 
> : ./a < /dev/kbd1
> : current mode = 1
> : current mode = 1
> 
> If it works properly on sparc64, it should be identical.
> If you'll see a different value in the second "current
> mode", it'll indicate an endianness bug we're talking
> about.
> 
It doesn't, on sparc64, work properly:

# uname -p
sparc64
# ./a < /dev/vkbdctl0
current mode = 1
current mode = 0


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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