From 27d21b9e9ad937dd65d5efdfddc99d8201220492 Mon Sep 17 00:00:00 2001 From: Konstantin Belousov Date: Sat, 6 Sep 2014 19:47:37 +0000 Subject: [PATCH] Add a define for index of IA32_XSS MSR, which is, per SDM rev. 50, an analog of XCR0 for ring 0 FPU state, used by XSAVES and XRSTORS. Sponsored by: The FreeBSD Foundation MFC after: 1 week --- sys/x86/include/specialreg.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h index 88129d459bc5..f08c8084c53e 100644 --- a/sys/x86/include/specialreg.h +++ b/sys/x86/include/specialreg.h @@ -490,6 +490,8 @@ #define MSR_APIC_DCR_TIMER 0x83e #define MSR_APIC_SELF_IPI 0x83f +#define MSR_IA32_XSS 0xda0 + /* * Constants related to MSR's. */