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| author |   Dave Barach <dave@barachs.net> | 2016-01-20 09:11:55 -0500 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@fd.io> | 2016-01-21 12:33:07 +0000 |
| commit | bfdedbd5a3ba7e6fdc036d212253aa55c9062211 (patch) | |
| tree | 63cf45fd5839e377ef757946be8bdcaa90dbc2a4 /vppinfra/vppinfra/cache.h | |
| parent | 08ff7e00bf0e7cf93a732e98a026a76a4349fd41 (diff) | |
PowerPC64-be arch support. Qemu ("qppc") platform support.
Change-Id: Ib0a05f9d1b08bacef09f6d7c101391737031ee0d
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'vppinfra/vppinfra/cache.h')
| -rw-r--r-- | vppinfra/vppinfra/cache.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/vppinfra/vppinfra/cache.h b/vppinfra/vppinfra/cache.h index 7ed7a1eae82..fea111698a2 100644 --- a/vppinfra/vppinfra/cache.h +++ b/vppinfra/vppinfra/cache.h @@ -40,15 +40,30 @@ #include <vppinfra/error_bootstrap.h> +/* + * Allow CFLAGS to override the arch-specific cache line size + */ +#ifndef CLIB_LOG2_CACHE_LINE_BYTES + #ifdef __x86_64__ #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))) |