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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-12-19 12:12:08 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-01-09 14:03:33 +0100 |
commit | 5175ac6a87e40c22a4aaf4a70e9ced375a76fe98 (patch) | |
tree | 7129228788b41b614a58e4805a67f0e5a48e24cb /c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h | |
parent | bsps/powerpc: Support e6500 indentification (diff) | |
download | rtems-5175ac6a87e40c22a4aaf4a70e9ced375a76fe98.tar.bz2 |
bsps/powerpc: Support a cache alignment of 64
Give the BSP the ability to define PPC_CACHE_ALIGNMENT.
Diffstat (limited to 'c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h')
-rw-r--r-- | c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h b/c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h index 9b9f738c6c..2a895e1201 100644 --- a/c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h +++ b/c/src/lib/libcpu/powerpc/rtems/powerpc/powerpc.h @@ -62,6 +62,12 @@ extern "C" { #include <rtems/score/powerpc.h> /* + * Unfortunately it is very inefficient to use run-time detection for the cache + * line size, so give the BSP the opportunity to define it here. + */ +#include <bspopts.h> + +/* * This file contains the information required to build * RTEMS for a particular member of the PowerPC family. It does * this by setting variables to indicate which implementation @@ -271,7 +277,6 @@ extern "C" { #define PPC_USE_MULTIPLE 1 #elif defined(__ppc_generic) -#define PPC_CACHE_ALIGNMENT 32 #else @@ -302,6 +307,8 @@ extern "C" { #define PPC_CACHE_ALIGN_POWER 4 #elif (PPC_CACHE_ALIGNMENT == 32) #define PPC_CACHE_ALIGN_POWER 5 +#elif (PPC_CACHE_ALIGNMENT == 64) +#define PPC_CACHE_ALIGN_POWER 6 #elif (PPC_CACHE_ALIGNMENT == PPC_NO_CACHE_ALIGNMENT) #define PPC_CACHE_ALIGN_POWER PPC_NO_CACHE_ALIGNMENT_POWER #else |