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Diffstat (limited to 'vppinfra/vppinfra/cache.h')
| -rw-r--r-- | vppinfra/vppinfra/cache.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/vppinfra/vppinfra/cache.h b/vppinfra/vppinfra/cache.h deleted file mode 100644 index 8e1f9483bde..00000000000 --- a/vppinfra/vppinfra/cache.h +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* - Copyright (c) 2005 Eliot Dresselhaus - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ - -#ifndef included_clib_cache_h -#define included_clib_cache_h - -#include <vppinfra/error_bootstrap.h> - -/* - * Allow CFLAGS to override the arch-specific cache line size - */ -#ifndef CLIB_LOG2_CACHE_LINE_BYTES - -#if defined(__x86_64__) || defined(__ARM_ARCH_7A__) -#define CLIB_LOG2_CACHE_LINE_BYTES 6 -#endif - -#ifdef __aarch64__ -#define CLIB_LOG2_CACHE_LINE_BYTES 7 -#endif - -/* Default cache line size of 32 bytes. */ -#ifndef CLIB_LOG2_CACHE_LINE_BYTES -#define CLIB_LOG2_CACHE_LINE_BYTES 5 -#endif - -#endif /* CLIB_LOG2_CACHE_LINE_BYTES defined */ - -#if (CLIB_LOG2_CACHE_LINE_BYTES >= 9) -#error Cache line size 512 bytes or greater -#endif - -#define CLIB_CACHE_LINE_BYTES (1 << CLIB_LOG2_CACHE_LINE_BYTES) -#define CLIB_CACHE_LINE_ALIGN_MARK(mark) u8 mark[0] __attribute__((aligned(CLIB_CACHE_LINE_BYTES))) - -/* Read/write arguments to __builtin_prefetch. */ -#define CLIB_PREFETCH_READ 0 -#define CLIB_PREFETCH_LOAD 0 /* alias for read */ -#define CLIB_PREFETCH_WRITE 1 -#define CLIB_PREFETCH_STORE 1 /* alias for write */ - -#define _CLIB_PREFETCH(n,size,type) \ - if ((size) > (n)*CLIB_CACHE_LINE_BYTES) \ - __builtin_prefetch (_addr + (n)*CLIB_CACHE_LINE_BYTES, \ - CLIB_PREFETCH_##type, \ - /* locality */ 3); - -#define CLIB_PREFETCH(addr,size,type) \ -do { \ - void * _addr = (addr); \ - \ - ASSERT ((size) <= 4*CLIB_CACHE_LINE_BYTES); \ - _CLIB_PREFETCH (0, size, type); \ - _CLIB_PREFETCH (1, size, type); \ - _CLIB_PREFETCH (2, size, type); \ - _CLIB_PREFETCH (3, size, type); \ -} while (0) - -#undef _ - -#endif /* included_clib_cache_h */ - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |