gonzui: tkernel_2/kernel/sysdepend/device/tef_em1d/cache

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    T-Kernel 2.0 Software Package
    4:  *
    5:  *    Copyright 2011 by Ken Sakamura.
    6:  *    This software is distributed under the latest version of T-License 2.x.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by T-Engine Forum(http://www.t-engine.org/) at 2011/05/17.
   10:  *    Modified by TRON Forum(http://www.tron.org/) at 2015/06/01.
   11:  *
   12:  *----------------------------------------------------------------------
   13:  */
   14: 
   15: /*
   16:  *      cache_info.h (EM1-D512)
   17:  *      Cache Information
   18:  */
   19: 
   20: #ifndef _CACHE_INFO_
   21: #define _CACHE_INFO_
   22: 
   23: /*
   24:  * Set non-cache area memory
   25:  *      When using the control table for non-cache area memory
   26:  *      by memory manager routines, define the address of non-cache area.
   27:  *      
   28:  *      When not using, specify 0 for UseNoCacheMemoryTable.
   29:  */
   30: #define USE_NOCACHE_MEMTBL      (0)  /* Do not use */
   31: 
   32: #define NoCacheMemoryTop        (0)    /* Top address of non-cache area  */
   33: #define NoCacheMemoryEnd        (0)    /* End address of non-cache area  */
   34: 
   35: /*
   36:  * Conversion between page number and address
   37:  *      When switching ON/Off of cache by an address,
   38:  *      define the conversion formula for the following Macro:
   39:  */
   40: #define CachingAddr(p)          (p)     /* Do not convert */
   41: #define NoCachingAddr(p)        (p)
   42: 
   43: /*
   44:  * Conversion between physical address and logical address of
   45:  * real memory area (physical space)
   46:  */
   47: #define toLogicalAddress(paddr)         (void*)(paddr)
   48: #define toPhysicalAddress(laddr)        (void*)(laddr)
   49: 
   50: /*
   51:  * Convert logical address into logical address of the cache off area
   52:  */
   53: #define toNoCacheLogicalAddress(laddr)  (void*)(laddr)
   54: 
   55: #endif /* _CACHE_INFO_ */