Author: jhb
Date: Fri Nov 13 00:47:44 2015
New Revision: 290733
URL: https://svnweb.freebsd.org/changeset/base/290733
Log:
Fix i386 build. stable/9 does not have XSAVE support.
Pointy hat to: jhb
Modified:
stable/9/sys/i386/i386/machdep.c
stable/9/sys/i386/include/specialreg.h
Modified: stable/9/sys/i386/i386/machdep.c
==============================================================================
--- stable/9/sys/i386/i386/machdep.c Fri Nov 13 00:34:57 2015
(r290732)
+++ stable/9/sys/i386/i386/machdep.c Fri Nov 13 00:47:44 2015
(r290733)
@@ -1962,8 +1962,6 @@ DB_SHOW_COMMAND(sysregs, db_show_sysregs
db_printf("cr2\t0x%08x\n", rcr2());
db_printf("cr3\t0x%08x\n", rcr3());
db_printf("cr4\t0x%08x\n", rcr4());
- if (rcr4() & CR4_XSAVE)
- db_printf("xcr0\t0x%016llx\n", rxcr(0));
if (amd_feature & (AMDID_NX | AMDID_LM))
db_printf("EFER\t0x%016llx\n", rdmsr(MSR_EFER));
if (cpu_feature2 & (CPUID2_VMX | CPUID2_SMX))
Modified: stable/9/sys/i386/include/specialreg.h
==============================================================================
--- stable/9/sys/i386/include/specialreg.h Fri Nov 13 00:34:57 2015
(r290732)
+++ stable/9/sys/i386/include/specialreg.h Fri Nov 13 00:47:44 2015
(r290733)
@@ -281,6 +281,7 @@
#define MSR_APICBASE 0x01b
#define MSR_EBL_CR_POWERON 0x02a
#define MSR_TEST_CTL 0x033
+#define MSR_IA32_FEATURE_CONTROL 0x03a
#define MSR_BIOS_UPDT_TRIG 0x079
#define MSR_BBL_CR_D0 0x088
#define MSR_BBL_CR_D1 0x089
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