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List:       netbsd-port-amd64
Subject:    Re: Call for testing: x2apic
From:       Christoph Egger <Christoph_Egger () gmx ! de>
Date:       2010-01-09 21:20:10
Message-ID: 4B48F30A.9050906 () gmx ! de
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On 09.01.10 12:01, murray@river-styx.org wrote:
> Hi Folks,
>    With the suggested addition of support for x2apic, the x2apic enable
> flag in the IA32_APIC_BASE MSR register could be added to
> sys/arch/x86/include/i82489reg.h... for completeness of register
> documentation at least, even if not used.
> 
>     ...as documented in the Intel 64 and IA32 Architectures Software
> Developers Manual 3A, chapter 10.5.1.
> 
> --- sys/arch/x86/include/i82489reg.h.orig       2010-01-09
> 10:50:58.000000000 +0000
> +++ sys/arch/x86/include/i82489reg.h
> @@ -149,6 +149,7 @@
> 
>  #define        LAPIC_MSR       0x001b
>  #      define  LAPIC_MSR_BSP           0x00000100      /* boot processor */
> +#      define  LAPIC_MSR_ENABLE_x2     0x00000400      /* x2APIC mode */
>  #      define  LAPIC_MSR_ENABLE        0x00000800      /* software enable */
>  #      define  LAPIC_MSR_ADDR          0xfffff000      /* physical
> address */
> 
> 
> Take care,
>     murray armfield

committed. tnx.

Christoph
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