Re: "sparc_cpu_model" undefined

[Murray Stokely <murray@cdrom.com>]

On Sat, 20 May 2000, Jakub Jelinek wrote:

% On Fri, May 19, 2000 at 06:44:38PM -0700, Murray Stokely wrote:
% > On Fri, 19 May 2000, Pete Zaitcev wrote:
% > % Imagine for a second that we make an <asm/io.h> on sparc that
% > % gets included in your program without errors. What makes you think
% > % that inb/outb there may be useful to you, even after ioperm() ?
% > % They easily may happen to be defined as stba/lduba instructions,
% > % or may require port address to be offset.
% > 
% >   Ok, so how do I get around these problems to write a few bytes
% > directly to an IO port.  As an example, I would like to write a few
% > bytes to the parallel port to control a LED or program a
% > microcontroller.  With Linux/x86 I just call ioperm() and then outb().
% > How do I do this under Linux/sparc?
% 
% There are __NO I/O PORTS__ on SPARC. Everything is I/O mapped.

  What address is the parallel port mapped to?  What book, example
source, or web site can I read to learn more about IO programming on
Sparcs?

	- Murray