Re: inb/outb strangeness
Jamie Lokier (lkd@tantalophile.demon.co.uk)
Thu, 16 Sep 1999 18:03:09 +0200
Sven Geggus wrote:
> I don't rember wheater or not outb_p was working in usermode using libc5, but
> it always causes segmentation faults when used in a glibc binary.
>
> Let me summarize this:
>
> In case of a special configuration register the outb command in kernelmode
> _does not work_. Writing the same Register from userland _does work_ using a
> libc5 binary. Writing the Register using a glibc binary _does not work_ as
> well.
I'm using a standard glibc.
outb_p works fine for me as do inb_p and outw_p.
The non-_p variants should work fine too but I've haven't used them recently.
-- Jamie
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