1 files changed, 36 insertions, 0 deletions
diff --git a/sys/i386/i386/support.s b/sys/i386/i386/support.s
index 0649009..bc58672 100644
--- a/sys/i386/i386/support.s
+++ b/sys/i386/i386/support.s
@@ -1591,6 +1591,42 @@ ENTRY(ssdtosd)
 	popl	%ebx
 	ret
 
+/* load_cr0(cr0) */
+ENTRY(load_cr0)
+	movl	4(%esp),%eax
+	movl	%eax,%cr0
+	ret
+
+/* rcr0() */
+ENTRY(rcr0)
+	movl	%cr0,%eax
+	ret
+
+/* rcr3() */
+ENTRY(rcr3)
+	movl	%cr3,%eax
+	ret
+
+/* void load_cr3(caddr_t cr3) */
+ENTRY(load_cr3)
+#ifdef SWTCH_OPTIM_STATS
+	incl	tlb_flush_count
+#endif
+	movl	4(%esp),%eax
+	movl	%eax,%cr3
+	ret
+
+/* rcr4() */
+ENTRY(rcr4)
+	movl	%cr4,%eax
+	ret
+
+/* void load_cr4(caddr_t cr4) */
+ENTRY(load_cr4)
+	movl	4(%esp),%eax
+	movl	%eax,%cr4
+	ret
+
 /* void reset_dbregs() */
 ENTRY(reset_dbregs)
 	movl    $0,%eax