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| author | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2004-07-07 17:49:47 +0000 |
|---|---|---|
| committer | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2004-07-07 17:49:47 +0000 |
| commit | 40828c657dd0c9e654d143393b4ca81b6d23ed76 (patch) | |
| tree | 1d6d02d6389fedbc09cb69fb6909b60acfc84db3 /xen/include/asm-x86/system.h | |
| parent | b2d94974603e025dfe4b4258ca70f3030956b044 (diff) | |
| download | xen-40828c657dd0c9e654d143393b4ca81b6d23ed76.tar.gz xen-40828c657dd0c9e654d143393b4ca81b6d23ed76.tar.bz2 xen-40828c657dd0c9e654d143393b4ca81b6d23ed76.zip | |
bitkeeper revision 1.1041.18.1 (40ec37bbEfVooGtkbbrgCf3ZWEhJEg)
More x86_64 stuff. Now links, but a bunch of stuff is stubbed out.
Will it run? :-)
Diffstat (limited to 'xen/include/asm-x86/system.h')
| -rw-r--r-- | xen/include/asm-x86/system.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/xen/include/asm-x86/system.h b/xen/include/asm-x86/system.h index b854d1b058..ff88ed4692 100644 --- a/xen/include/asm-x86/system.h +++ b/xen/include/asm-x86/system.h @@ -131,6 +131,7 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, * If no fault occurs then _o is updated to teh value we saw at _p. If this * is the same as the initial value of _o then _n is written to location _p. */ +#ifdef __i386__ #define cmpxchg_user(_p,_o,_n) \ ({ \ int _rc; \ @@ -150,6 +151,9 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, : "memory"); \ _rc; \ }) +#else +#define cmpxchg_user(_p,_o,_n) ({ __asm__ __volatile__ ( "" : : "r" (_p), "r" (_o), "r" (_n) ); BUG(); 0; }) +#endif /* * Force strict CPU ordering. |