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Diffstat (limited to 'libitm/config/alpha/target.h')
-rw-r--r-- | libitm/config/alpha/target.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libitm/config/alpha/target.h b/libitm/config/alpha/target.h new file mode 100644 index 00000000000..121546f5f52 --- /dev/null +++ b/libitm/config/alpha/target.h @@ -0,0 +1,60 @@ +/* Copyright (C) 2009, 2011 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + Libitm 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 General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +namespace GTM HIDDEN { + +typedef struct gtm_jmpbuf +{ + unsigned long pc; + unsigned long s[7]; + void *cfa; + unsigned long f[8]; +} gtm_jmpbuf; + +/* Alpha generally uses a fixed page size of 8K. */ +#define PAGE_SIZE 8192 +#define FIXED_PAGE_SIZE 1 + +/* The size of one line in hardware caches (in bytes). */ +#define HW_CACHELINE_SIZE 64 + +static inline void +cpu_relax (void) +{ + __asm volatile ("" : : : "memory"); +} + +static inline void +atomic_read_barrier (void) +{ + __sync_synchronize (); +} + +static inline void +atomic_write_barrier (void) +{ + __asm volatile ("wmb" : : : "memory"); +} + +} // namespace GTM |