Add defines for dealing with PCID support in cr3

ok mlarkin@

diff --git a/sys/arch/amd64/include/specialreg.h b/sys/arch/amd64/include/specialreg.h
index 7cbea30..b276a53 100644 (file)
--- a/sys/arch/amd64/include/specialreg.h
+++ b/sys/arch/amd64/include/specialreg.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: specialreg.h,v 1.79 2018/08/21 19:04:40 deraadt Exp $ */
+/*     $OpenBSD: specialreg.h,v 1.80 2018/09/05 04:23:18 guenther 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 $  */
 
@@ -72,8 +72,11 @@
 /*
  * bits in CR3
  */
+#define CR3_PCID       0xfffULL
 #define CR3_PWT                (1ULL << 3)
 #define CR3_PCD                (1ULL << 4)
+#define CR3_REUSE_PCID (1ULL << 63)
+#define CR3_PADDR      0x7ffffffffffff000ULL
 
 /*
  * bits in the pentiums %cr4 register: