diff options
| author | Kyle McMartin <kyle@mcmartin.ca> | 2008-07-28 23:02:13 -0400 |
|---|---|---|
| committer | Kyle McMartin <kyle@hera.kernel.org> | 2008-10-10 16:32:29 +0000 |
| commit | deae26bf6a10e47983606f5df080b91e97650ead (patch) | |
| tree | 84a8a68145d0f713d7c5a1f9e6b3b03be9b3a4c8 /include/asm-parisc/prefetch.h | |
| parent | 6c86cb8237bf08443806089130dc108051569a93 (diff) | |
parisc: move include/asm-parisc to arch/parisc/include/asm
Diffstat (limited to 'include/asm-parisc/prefetch.h')
| -rw-r--r-- | include/asm-parisc/prefetch.h | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/include/asm-parisc/prefetch.h b/include/asm-parisc/prefetch.h deleted file mode 100644 index c5edc60c059..00000000000 --- a/include/asm-parisc/prefetch.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * include/asm-parisc/prefetch.h - * - * PA 2.0 defines data prefetch instructions on page 6-11 of the Kane book. - * In addition, many implementations do hardware prefetching of both - * instructions and data. - * - * PA7300LC (page 14-4 of the ERS) also implements prefetching by a load - * to gr0 but not in a way that Linux can use. If the load would cause an - * interruption (eg due to prefetching 0), it is suppressed on PA2.0 - * processors, but not on 7300LC. - * - */ - -#ifndef __ASM_PARISC_PREFETCH_H -#define __ASM_PARISC_PREFETCH_H - -#ifndef __ASSEMBLY__ -#ifdef CONFIG_PREFETCH - -#define ARCH_HAS_PREFETCH -static inline void prefetch(const void *addr) -{ - __asm__("ldw 0(%0), %%r0" : : "r" (addr)); -} - -/* LDD is a PA2.0 addition. */ -#ifdef CONFIG_PA20 -#define ARCH_HAS_PREFETCHW -static inline void prefetchw(const void *addr) -{ - __asm__("ldd 0(%0), %%r0" : : "r" (addr)); -} -#endif /* CONFIG_PA20 */ - -#endif /* CONFIG_PREFETCH */ -#endif /* __ASSEMBLY__ */ - -#endif /* __ASM_PARISC_PROCESSOR_H */ |