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Diffstat (limited to 'libc/sysdeps/linux/h8300/bits/atomicity.h')
-rw-r--r--libc/sysdeps/linux/h8300/bits/atomicity.h79
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 */