diff options
Diffstat (limited to 'sys/arch/amd64/include')
| -rw-r--r-- | sys/arch/amd64/include/specialreg.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/arch/amd64/include/specialreg.h b/sys/arch/amd64/include/specialreg.h index f5295ccc9ed..c211c0c0dd8 100644 --- a/sys/arch/amd64/include/specialreg.h +++ b/sys/arch/amd64/include/specialreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: specialreg.h,v 1.40 2016/01/10 18:18:25 stefan Exp $ */ +/* $OpenBSD: specialreg.h,v 1.41 2016/04/25 17:50:21 mlarkin Exp $ */ /* $NetBSD: specialreg.h,v 1.1 2003/04/26 18:39:48 fvdl Exp $ */ /* $NetBSD: x86/specialreg.h,v 1.2 2003/04/25 21:54:30 fvdl Exp $ */ @@ -70,6 +70,12 @@ /* the remaining 7 bits of this register are reserved */ /* + * bits in CR3 + */ +#define CR3_PWT (1ULL << 3) +#define CR3_PCD (1ULL << 4) + +/* * bits in the pentiums %cr4 register: */ @@ -91,6 +97,7 @@ #define CR4_OSXSAVE 0x00040000 /* enable XSAVE and extended states */ #define CR4_SMEP 0x00100000 /* supervisor mode exec protection */ #define CR4_SMAP 0x00200000 /* supervisor mode access prevention */ +#define CR4_PKE 0x00400000 /* protection key enable */ /* * Extended Control Register XCR0 |