diff options
Diffstat (limited to 'usr/src/uts/sparc/sys')
| -rw-r--r-- | usr/src/uts/sparc/sys/cpu.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/usr/src/uts/sparc/sys/cpu.h b/usr/src/uts/sparc/sys/cpu.h index 6f0fbc919d..adf3d98c42 100644 --- a/usr/src/uts/sparc/sys/cpu.h +++ b/usr/src/uts/sparc/sys/cpu.h @@ -19,15 +19,13 @@ * CDDL HEADER END */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_CPU_H #define _SYS_CPU_H -#pragma ident "%Z%%M% %I% %E% SMI" - /* * Include generic bustype cookies. */ @@ -72,6 +70,22 @@ extern int vac; extern void cpu_smt_pause(); #define SMT_PAUSE() { if (&cpu_smt_pause) cpu_smt_pause(); } +/* + * used to preload L2 cache + */ +#if !defined(__lint) && defined(__GNUC__) + +extern __inline__ void +prefetch64(caddr_t addr) +{ + __asm__ __volatile__( + "prefetch [%0], #n_writes\n\t" + : "=r" (addr) + : "0" (addr)); +} + +#endif /* !__lint && __GNUC__ */ + #endif /* defined(_KERNEL) && !defined(_ASM) */ #ifdef __cplusplus |