diff options
Diffstat (limited to 'libc/sysdeps/linux/h8300/bits/atomicity.h')
| -rw-r--r-- | libc/sysdeps/linux/h8300/bits/atomicity.h | 79 | 
1 files changed, 0 insertions, 79 deletions
diff --git a/libc/sysdeps/linux/h8300/bits/atomicity.h b/libc/sysdeps/linux/h8300/bits/atomicity.h deleted file mode 100644 index a4fcc1524..000000000 --- a/libc/sysdeps/linux/h8300/bits/atomicity.h +++ /dev/null @@ -1,79 +0,0 @@ -/* Low-level functions for atomic operations.  H8/300 version. -   Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc. -   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 <inttypes.h> - - -static inline uint32_t -__attribute__ ((unused)) -exchange_and_add (volatile uint32_t *mem, uint32_t val) -{ -  uint32_t result; -  __asm__ __volatile__ ("stc ccr,@-sp\n\t" -			"orc #0x80,ccr\n\t" -			"mov.l %1,er1\n\t" -			"mov.l %0,%1\n\t" -			"add.l er1,%0\n\t" -			"ldc @sp+,ccr" -			: "=r" (result), "=m" (*mem)  -			: "0" (val), "1" (*mem) -			: "er1"); -  return result; -} - -static inline void -__attribute__ ((unused)) -atomic_add (volatile uint32_t *mem, int val) -{ -  __asm__ __volatile__ ("stc ccr,@-sp\n\t" -			"orc #0x80,ccr\n\t" -			"mov.l %0,er0\n\t" -			"add %1,er0\n\t" -			"mov.l er0,%0\n\t" -			"ldc @sp+,ccr" -			: "=m" (*mem)  -			: "r" (val), "0" (*mem) -			: "er0"); -} - -static inline int -__attribute__ ((unused)) -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ -  int ret = 0; - -  __asm__ __volatile__ ("stc ccr,@-sp\n\t" -			"orc #0x80,ccr\n\t" -			"mov.l %1,er0\n\t" -			"cmp.l %2,er0\n\t" -			"bne 1f\n\t" -			"mov.l %3,%1\n\t" -			"inc.l #1,%0\n" -			"1:\n\t" -			"ldc @sp+,ccr" -			: "=r"(ret),"=m"(*p) -			: "r"(oldval),"r"(newval),"0"(ret),"1"(*p) -			: "er0"); -  return ret; -} - -#endif /* atomicity.h */  | 
