diff options
| author | Ralf Bächle <ralf@linux-mips.org> | 2003-06-22 22:07:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2003-06-22 22:07:17 -0700 |
| commit | f6d64aeef94909c98a054590af61906d2ce5acbf (patch) | |
| tree | 38b4b00a94874a5da38eae4c81ab14bcf3b237e6 /include/asm-mips/param.h | |
| parent | 2e7f53ec14475d56559bcdd07acfb737b7bff1e9 (diff) | |
[PATCH] MIPS merge, generic mips bits.
This contains all the generic 32-bit MIPS code, so all arch/mips/ and
include/asm-mips/ stuff.
Diffstat (limited to 'include/asm-mips/param.h')
| -rw-r--r-- | include/asm-mips/param.h | 57 |
1 files changed, 16 insertions, 41 deletions
diff --git a/include/asm-mips/param.h b/include/asm-mips/param.h index d4e4c7d73316..854088bb18b4 100644 --- a/include/asm-mips/param.h +++ b/include/asm-mips/param.h @@ -1,15 +1,16 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright 1994 - 2000, 2002 Ralf Baechle (ralf@gnu.org) + * Copyright 2000 Silicon Graphics, Inc. + */ #ifndef _ASM_PARAM_H #define _ASM_PARAM_H -#ifndef HZ - #ifdef __KERNEL__ -/* Safeguard against user stupidity */ -#ifdef _SYS_PARAM_H -#error Do not include <asm/param.h> with __KERNEL__ defined! -#endif - #include <linux/config.h> #ifdef CONFIG_DECSTATION @@ -19,38 +20,16 @@ */ # define LOG_2_HZ 7 # define HZ (1 << LOG_2_HZ) - /* - * Ye olde division-by-multiplication trick. - * This works only if 100 / HZ <= 1 - */ -# define QUOTIENT ((1UL << (32 - LOG_2_HZ)) * 100) -# define hz_to_std(a) \ - ({ unsigned int __res; \ - unsigned long __lo; \ - __asm__("multu\t%2,%3\n\t" \ - :"=h" (__res), "=l" (__lo) \ - :"r" (a),"r" (QUOTIENT)); \ - (__typeof__(a)) __res;}) - -#else /* Not a DECstation */ - -/* This is the internal value of HZ, that is the rate at which the jiffies - counter is increasing. This value is independent from the external value - and can be changed in order to suit the hardware and application - requirements. */ -# define HZ 100 -# define hz_to_std(a) (a) - -#endif /* Not a DECstation */ - -#else /* defined(__KERNEL__) */ +#else +# define HZ 1000 /* Internal kernel timer frequency */ +#endif +# define USER_HZ 100 /* .. some user interfaces are in "ticks" */ +# define CLOCKS_PER_SEC (USER_HZ) /* like times() */ +#endif -/* This is the external value of HZ as seen by user programs. Don't change - unless you know what you're doing - changing breaks binary compatibility. */ +#ifndef HZ #define HZ 100 - -#endif /* defined(__KERNEL__) */ -#endif /* defined(HZ) */ +#endif #define EXEC_PAGESIZE 4096 @@ -64,8 +43,4 @@ #define MAXHOSTNAMELEN 64 /* max length of hostname */ -#ifdef __KERNEL__ -# define CLOCKS_PER_SEC 100 /* frequency at which times() counts */ -#endif - #endif /* _ASM_PARAM_H */ |