Changeset ad36bd6 in mainline for arch/ia32/src/ia32.c

Timestamp:

2005-04-25T12:37:44Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

85bfdcc8

Parents:

c9b8c5c

Message:

Small improvements.

File:

• arch/ia32/src/ia32.c (modified) (1 diff)

arch/ia32/src/ia32.c

@@ -45 +45 @@
 #include <arch/interrupt.h>
 
+#include <arch/asm.h>
+
+void write_dr0(__u32 v)
+{
+        __asm__("movl %0,%%dr0" : : "r" (v));
+}
+
+inline __u32 read_dr0(void)
+{
+        __u32 v;
+        
+        __asm__("movl %%dr0,%0\n" : "=r" (v));
+        
+        return v;
+}
 
 void arch_pre_mm_init(void)