2. Reference

1.2 Function specification

High level

  Title  
 Function specifications 

  Function  
 Cache initialization 

  Function name  
 CSH_Init 

No
1

 
  format  void CSH_Init (Uint16 sw)
 Input  sw: Way mode 

Constant Name	Description
CSH_4WAY	4-way set associative
CSH_2WAY	2-way set associative

  Output  None
 Function value  None
 Function  Performs cache initialization. Clear all cache line valid bits
  Enable fill and data fill and enable cache. 

  Title  
 Function specifications 

  Function  
 Clear Cache 

  Function Name  
 CSH_AllClr 

No
2

 
  format  void CSH_AllClr (void)
 Input  None
 Output  None
 Function value  None
 Function  Clears valid bits in all cache lines in all ways. This function is an internal key.
  Execute after disabling the cache, and enable the cache after clearing.
 Remarks  The address array is updated, but the data array is not updated.