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Re: PCI support
From: |
Robert Millan |
Subject: |
Re: PCI support |
Date: |
Wed, 30 Jan 2008 23:25:06 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Wed, Jan 30, 2008 at 11:17:49PM +0100, Marco Gerards wrote:
> >> IO addresses are Intel only, AFAIK. Almost all architectures have
> >> mmapped IO. It's really arch specific.
> >
> > Are you sure that makes grub_inl / grub_outl arch-specific ? They can't be
> > implemented as wrappers for direct memory access?
>
> No, AFAIK that is not possible. However, PCI gives you the mmapped IO
> addresses we can use, for example for the ATA driver.
Why not?
What's wrong with:
grub_uint32_t
grub_inl (grub_uint32_t *addr)
{
return *addr;
}
--
Robert Millan
<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call… if you are unable to speak?
(as seen on /.)
- PCI support, Marco Gerards, 2008/01/28
- Re: PCI support, Marco Gerards, 2008/01/30
- Re: PCI support, Robert Millan, 2008/01/30
- Re: PCI support, Marco Gerards, 2008/01/30
- Re: PCI support, Robert Millan, 2008/01/30
- Re: PCI support, Marco Gerards, 2008/01/30
- Re: PCI support,
Robert Millan <=
- Re: PCI support, Marco Gerards, 2008/01/31
- Re: PCI support, Robert Millan, 2008/01/31
Re: PCI support, Yoshinori K. Okuji, 2008/01/30