1 files changed, 85 insertions, 54 deletions

diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index a6d20d9a1a30..c3a58c08c495 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -88,65 +88,96 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \
 #define savesegment(seg, value) \
         asm volatile("mov %%" #seg ",%0":"=rm" (value))
 
+
+static inline void native_clts(void)
+{
+        asm volatile ("clts");
+}
+
+static inline unsigned long native_read_cr0(void)
+{
+        unsigned long val;
+        asm volatile("movl %%cr0,%0\n\t" :"=r" (val));
+        return val;
+}
+
+static inline void native_write_cr0(unsigned long val)
+{
+        asm volatile("movl %0,%%cr0": :"r" (val));
+}
+
+static inline unsigned long native_read_cr2(void)
+{
+        unsigned long val;
+        asm volatile("movl %%cr2,%0\n\t" :"=r" (val));
+        return val;
+}
+
+static inline void native_write_cr2(unsigned long val)
+{
+        asm volatile("movl %0,%%cr2": :"r" (val));
+}
+
+static inline unsigned long native_read_cr3(void)
+{
+        unsigned long val;
+        asm volatile("movl %%cr3,%0\n\t" :"=r" (val));
+        return val;
+}
+
+static inline void native_write_cr3(unsigned long val)
+{
+        asm volatile("movl %0,%%cr3": :"r" (val));
+}
+
+static inline unsigned long native_read_cr4(void)
+{
+        unsigned long val;
+        asm volatile("movl %%cr4,%0\n\t" :"=r" (val));
+        return val;
+}
+
+static inline unsigned long native_read_cr4_safe(void)
+{
+        unsigned long val;
+        /* This could fault if %cr4 does not exist */
+        asm("1: movl %%cr4, %0          \n"
+                "2:                             \n"
+                ".section __ex_table,\"a\"      \n"
+                ".long 1b,2b                    \n"
+                ".previous                      \n"
+                : "=r" (val): "0" (0));
+        return val;
+}
+
+static inline void native_write_cr4(unsigned long val)
+{
+        asm volatile("movl %0,%%cr4": :"r" (val));
+}
+
+static inline void native_wbinvd(void)
+{
+        asm volatile("wbinvd": : :"memory");
+}
+
+
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
 #else
-#define read_cr0() ({ \
-        unsigned int __dummy; \
-        __asm__ __volatile__( \
-                "movl %%cr0,%0\n\t" \
-                :"=r" (__dummy)); \
-        __dummy; \
-})
-#define write_cr0(x) \
-        __asm__ __volatile__("movl %0,%%cr0": :"r" (x))
-
-#define read_cr2() ({ \
-        unsigned int __dummy; \
-        __asm__ __volatile__( \
-                "movl %%cr2,%0\n\t" \
-                :"=r" (__dummy)); \
-        __dummy; \
-})
-#define write_cr2(x) \
-        __asm__ __volatile__("movl %0,%%cr2": :"r" (x))
-
-#define read_cr3() ({ \
-        unsigned int __dummy; \
-        __asm__ ( \
-                "movl %%cr3,%0\n\t" \
-                :"=r" (__dummy)); \
-        __dummy; \
-})
-#define write_cr3(x) \
-        __asm__ __volatile__("movl %0,%%cr3": :"r" (x))
-
-#define read_cr4() ({ \
-        unsigned int __dummy; \
-        __asm__( \
-                "movl %%cr4,%0\n\t" \
-                :"=r" (__dummy)); \
-        __dummy; \
-})
-#define read_cr4_safe() ({                            \
-        unsigned int __dummy;                         \
-        /* This could fault if %cr4 does not exist */ \
-        __asm__("1: movl %%cr4, %0              \n"   \
-                "2:                             \n"   \
-                ".section __ex_table,\"a\"      \n"   \
-                ".long 1b,2b                    \n"   \
-                ".previous                      \n"   \
-                : "=r" (__dummy): "0" (0));           \
-        __dummy;                                      \
-})
-#define write_cr4(x) \
-        __asm__ __volatile__("movl %0,%%cr4": :"r" (x))
-
-#define wbinvd() \
-        __asm__ __volatile__ ("wbinvd": : :"memory")
+#define read_cr0()      (native_read_cr0())
+#define write_cr0(x)    (native_write_cr0(x))
+#define read_cr2()      (native_read_cr2())
+#define write_cr2(x)    (native_write_cr2(x))
+#define read_cr3()      (native_read_cr3())
+#define write_cr3(x)    (native_write_cr3(x))
+#define read_cr4()      (native_read_cr4())
+#define read_cr4_safe() (native_read_cr4_safe())
+#define write_cr4(x)    (native_write_cr4(x))
+#define wbinvd()        (native_wbinvd())
 
 /* Clear the 'TS' bit */
-#define clts() __asm__ __volatile__ ("clts")
+#define clts()          (native_clts())
+
 #endif/* CONFIG_PARAVIRT */
 
 /* Set the 'TS' bit */