Re: port-amd64/42597: LAPIC MSR address mask 4 bits short

[David Laight <david%l8s.co.uk@localhost>]

The following reply was made to PR port-amd64/42597; it has been noted by GNATS.

From: David Laight <david%l8s.co.uk@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: port-amd64-maintainer%netbsd.org@localhost, 
gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Subject: Re: port-amd64/42597: LAPIC MSR address mask 4 bits short
Date: Sat, 9 Jan 2010 11:33:49 +0000

 On Sat, Jan 09, 2010 at 10:40:01AM +0000, murray%river-styx.org@localhost 
wrote:
 >  #      define  LAPIC_MSR_ENABLE        0x00000800      /* software enable */
 > -#      define  LAPIC_MSR_ADDR          0xfffff000      /* physical address 
 > */
 > +#      define  LAPIC_MSR_ADDR          0xffffff000     /* physical address 
 > */
 
 That value is out of range for an integer constant.
 I'd have to read the docs, but aren't the MSRs accessed using special
 instructions - do that have > 32 bits physical address, especially on i386?
 
        David
 
 -- 
 David Laight: david%l8s.co.uk@localhost