Changeset 0f4e706 in mainline for arch/ia32/include/asm.h

Timestamp:

2005-05-03T18:42:34Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

47d78c6

Parents:

2217ac3

Message:

Make read/write_dr0() inlined.

File:

• arch/ia32/include/asm.h (modified) (2 diffs)

arch/ia32/include/asm.h

@@ -30 +30 @@
 #define __ia32_ASM_H__
 
-#include <cpu.h>
 #include <arch/types.h>
 #include <typedefs.h>
@@ -59 +58 @@
 extern void cpu_sleep(void);
 
-extern void write_dr0(__u32 v);
-extern inline __u32 read_dr0(void);
+static inline void write_dr0(__u32 v);
+static inline __u32 read_dr0(void);
+
+inline void write_dr0(__u32 v) { __asm__ volatile ("movl %0,%%dr0\n" : : "r" (v)); }
+inline __u32 read_dr0(void) { __u32 v; __asm__ volatile ("movl %%dr0,%0" : "=r" (v)); return v; }
 
 #endif