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Recognize an obscure cpu feature flag bit "xTPR" 

which indicates that Task Priority Messages might
be disabled. Not relevant for the kernel for now
(related to interrupt distribution on the APIC bus
afaict), but present on one of my boxes.
Being here, also recognise the future "Vanderpool"
extension.
This commit is contained in:
drochner 2005-02-10 20:52:52 +00:00
parent 509ef04282
commit 342b8a4cf8
1 changed files with 4 additions and 2 deletions
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6
sys/arch/x86/include/specialreg.h
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@ -1,4 +1,4 @@
/* $NetBSD: specialreg.h,v 1.6 2004/05/17 15:38:17 joda Exp $ */
/* $NetBSD: specialreg.h,v 1.7 2005/02/10 20:52:52 drochner Exp $ */
/*-
* Copyright (c) 1991 The Regents of the University of California.
@ -151,11 +151,13 @@
#define CPUID2_SSE3 0x00000001 /* Streaming SIMD Extensions 3 */
#define CPUID2_MONITOR 0x00000008 /* MONITOR/MWAIT instructions */
#define CPUID2_DS_CPL 0x00000010 /* CPL Qualified Debug Store */
#define CPUID2_VMX 0x00000020 /* Virtual Machine Extensions */
#define CPUID2_EST 0x00000080 /* Enhanced SpeedStep Technology */
#define CPUID2_TM2 0x00000100 /* Thermal Monitor 2 */
#define CPUID2_CID 0x00000400 /* Context ID */
#define CPUID2_xTPR 0x00004000 /* Task Priority Messages disabled? */
#define CPUID2_FLAGS "\20\1SSE3\4MONITOR\5DS-CPL\10EST\11TM2\13CID"
#define CPUID2_FLAGS "\20\1SSE3\4MONITOR\5DS-CPL\6VMX\10EST\11TM2\13CID\17xTPR"
#define CPUID2FAMILY(cpuid) (((cpuid) >> 8) & 15)
#define CPUID2MODEL(cpuid) (((cpuid) >> 4) & 15)