1.22.2.18 CACHE_CacheInit Function
C
void CACHE_CacheInit(CACHE_COHERENCY cacheCoherency)
Summary
Initialize the L1 cache.
Description
Initializes both instruction and data caches. Invalidates all entries and zeroes all tags. Sets coherency attribute for kseg0.
Precondition
The function MUST be called after a hardware reset and before using the caches, otherwise they may be in an inconsistent state.
Parameters
| Param | Description |
|---|---|
| CACHE_COHERENCY cacheCoherency | L1 cache coherency settings. |
Returns
None.
Example
coherency = CACHE_WRITETHROUGH_NO_WRITEALLOCATE
CACHE_CacheInit(coherency);
Remarks
Use with caution. Invalidates all cache lines without writing data back to memory. Any dirty data in the cache will be lost.