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Date:      Fri, 11 Mar 2011 14:53:34 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject:   svn commit: r219486 - in stable/8/sys: amd64/include i386/i386 i386/include
Message-ID:  <201103111453.p2BErYN8082048@svn.freebsd.org>
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Author: avg
Date: Fri Mar 11 14:53:34 2011
New Revision: 219486
URL: http://svn.freebsd.org/changeset/base/219486

Log:
  MFC r215523: specialreg.h: add AMD-specific "Hardware Configuration
  Register" MSR

Modified:
  stable/8/sys/amd64/include/specialreg.h
  stable/8/sys/i386/i386/initcpu.c
  stable/8/sys/i386/include/specialreg.h
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/amd64/include/specialreg.h
==============================================================================
--- stable/8/sys/amd64/include/specialreg.h	Fri Mar 11 14:46:27 2011	(r219485)
+++ stable/8/sys/amd64/include/specialreg.h	Fri Mar 11 14:53:34 2011	(r219486)
@@ -504,6 +504,7 @@
 #define	MSR_PERFCTR2	0xc0010006
 #define	MSR_PERFCTR3	0xc0010007
 #define	MSR_SYSCFG	0xc0010010
+#define	MSR_HWCR	0xc0010015
 #define	MSR_IORRBASE0	0xc0010016
 #define	MSR_IORRMASK0	0xc0010017
 #define	MSR_IORRBASE1	0xc0010018

Modified: stable/8/sys/i386/i386/initcpu.c
==============================================================================
--- stable/8/sys/i386/i386/initcpu.c	Fri Mar 11 14:46:27 2011	(r219485)
+++ stable/8/sys/i386/i386/initcpu.c	Fri Mar 11 14:53:34 2011	(r219486)
@@ -672,7 +672,7 @@ initializecpu(void)
 			     (cpu_id & ~0xf) == 0x670 ||
 			     (cpu_id & ~0xf) == 0x680)) {
 				u_int regs[4];
-				wrmsr(0xC0010015, rdmsr(0xC0010015) & ~0x08000);
+				wrmsr(MSR_HWCR, rdmsr(MSR_HWCR) & ~0x08000);
 				do_cpuid(1, regs);
 				cpu_feature = regs[3];
 			}

Modified: stable/8/sys/i386/include/specialreg.h
==============================================================================
--- stable/8/sys/i386/include/specialreg.h	Fri Mar 11 14:46:27 2011	(r219485)
+++ stable/8/sys/i386/include/specialreg.h	Fri Mar 11 14:53:34 2011	(r219486)
@@ -554,7 +554,8 @@
 #define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
 
 /* AMD64 MSR's */
-#define	MSR_EFER	0xc0000080	/* extended features */
+#define	MSR_EFER		0xc0000080	/* extended features */
+#define	MSR_HWCR		0xc0010015
 #define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
 #define	MSR_MC0_CTL_MASK	0xc0010044

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