From 4beed843c11a1f3079c775e501dbe1069e4c7bbe Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 21 Aug 2006 23:29:36 +0000 Subject: bits/profil-counter.h and bits/atomicity.h are leftovers from the old gprof based profiling I nuked ages ago since tools like oprofile are non invasive and work so much better. --- libc/sysdeps/linux/m68k/bits/atomicity.h | 64 -------------------------------- 1 file changed, 64 deletions(-) delete mode 100644 libc/sysdeps/linux/m68k/bits/atomicity.h (limited to 'libc/sysdeps/linux/m68k') diff --git a/libc/sysdeps/linux/m68k/bits/atomicity.h b/libc/sysdeps/linux/m68k/bits/atomicity.h deleted file mode 100644 index db1c9bfae..000000000 --- a/libc/sysdeps/linux/m68k/bits/atomicity.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Low-level functions for atomic operations. m680x0 version, x >= 2. - Copyright (C) 1997 Free Software Foundation, Inc. - Contributed by Andreas Schwab . - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _ATOMICITY_H -#define _ATOMICITY_H 1 - -#include - - -static inline int -__attribute_used__ -exchange_and_add (volatile uint32_t *mem, int val) -{ - register int result = *mem; - register int temp; - __asm__ __volatile__ ("1: move%.l %0,%1;" - " add%.l %2,%1;" - " cas%.l %0,%1,%3;" - " jbne 1b" - : "=d" (result), "=&d" (temp) - : "d" (val), "m" (*mem), "0" (result) : "memory"); - return result; -} - -static inline void -__attribute_used__ -atomic_add (volatile uint32_t *mem, int val) -{ - /* XXX Use cas here as well? */ - __asm__ __volatile__ ("add%.l %0,%1" - : : "id" (val), "m" (*mem) : "memory"); -} - -static inline int -__attribute_used__ -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ - char ret; - long int readval; - - __asm__ __volatile__ ("cas%.l %2,%3,%1; seq %0" - : "=dm" (ret), "=m" (*p), "=d" (readval) - : "d" (newval), "m" (*p), "2" (oldval)); - return ret; -} - -#endif /* atomicity.h */ -- cgit v1.2.3