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bsps/powerpc: Add cache size functions

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This commit is contained in:
Sebastian Huber
2014-12-22 11:33:13 +01:00
parent 7d26f60a1b
commit c32a128cb2
1 changed files with 46 additions and 0 deletions
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46
c/src/lib/libcpu/powerpc/shared/src/cache_.h
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@@ -25,6 +25,52 @@
#define CPU_INSTRUCTION_CACHE_ALIGNMENT PPC_CACHE_ALIGNMENT
#endif
#define CPU_CACHE_SUPPORT_PROVIDES_CACHE_SIZE_FUNCTIONS
static inline size_t _CPU_cache_get_data_cache_size(uint32_t level)
{
switch (level) {
case 0:
/* Fall through */
#ifdef PPC_CACHE_DATA_L3_SIZE
case 3:
return PPC_CACHE_DATA_L3_SIZE;
#endif
#ifdef PPC_CACHE_DATA_L2_SIZE
case 2:
return PPC_CACHE_DATA_L2_SIZE;
#endif
#ifdef PPC_CACHE_DATA_L1_SIZE
case 1:
return PPC_CACHE_DATA_L1_SIZE;
#endif
default:
return 0;
}
}
static inline size_t _CPU_cache_get_instruction_cache_size(uint32_t level)
{
switch (level) {
case 0:
/* Fall through */
#ifdef PPC_CACHE_INSTRUCTION_L3_SIZE
case 3:
return PPC_CACHE_INSTRUCTION_L3_SIZE;
#endif
#ifdef PPC_CACHE_INSTRUCTION_L2_SIZE
case 2:
return PPC_CACHE_INSTRUCTION_L2_SIZE;
#endif
#ifdef PPC_CACHE_INSTRUCTION_L1_SIZE
case 1:
return PPC_CACHE_INSTRUCTION_L1_SIZE;
#endif
default:
return 0;
}
}
/*
* CACHE MANAGER: The following functions are CPU-specific.
* They provide the basic implementation for the rtems_* cache