X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-i386%2Fsystem.h;h=c3a58c08c49506dcd120e92fa73d0fd3e95ca602;hb=9fa0853a85a3a4067e4ad0aaa5d90984c2dd21b5;hp=a6dabbcd6e6a71ec61d06b3eb74d21d3181e1aad;hpb=db1a19b38f3a85f475b4ad716c71be133d8ca48e;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index a6dabbcd6e6..c3a58c08c49 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -88,68 +88,103 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \
 #define savesegment(seg, value) \
 	asm volatile("mov %%" #seg ",%0":"=rm" (value))
 
-#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))
 
-/*
- * Clear and set 'TS' bit respectively
- */
-#define clts() __asm__ __volatile__ ("clts")
+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()	(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()		(native_clts())
+
+#endif/* CONFIG_PARAVIRT */
+
+/* Set the 'TS' bit */
 #define stts() write_cr0(8 | read_cr0())
 
 #endif	/* __KERNEL__ */
 
-#define wbinvd() \
-	__asm__ __volatile__ ("wbinvd": : :"memory")
-
 static inline unsigned long get_limit(unsigned long segment)
 {
 	unsigned long __limit;