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  1. /*
  2.  * Copyright (C) 2005 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28. #include <print.h>
  29. #include <test.h>
  30. #include <mm/page.h>
  31. #include <mm/frame.h>
  32. #include <mm/as.h>
  33. #include <arch/mm/page.h>
  34. #include <arch/mm/tlb.h>
  35. #include <arch/types.h>
  36. #include <debug.h>
  37.  
  38.  
  39. extern void tlb_invalidate_all(void);
  40. extern void tlb_invalidate_pages(asid_t asid, uintptr_t va, count_t cnt);
  41. void test(void)
  42. {
  43.     tlb_entry_t entryi;
  44.     tlb_entry_t entryd;
  45.  
  46.     int i;
  47.                                                                                                                                                                                    
  48.   entryd.word[0] = 0;
  49.   entryd.word[1] = 0;
  50.                                                
  51.   entryd.p = true;                 /* present */
  52.   entryd.ma = MA_WRITEBACK;
  53.   entryd.a = true;                 /* already accessed */
  54.   entryd.d = true;                 /* already dirty */
  55.   entryd.pl = PL_KERNEL;
  56.   entryd.ar = AR_READ | AR_WRITE;
  57.   entryd.ppn = 0;
  58.   entryd.ps = PAGE_WIDTH;
  59.  
  60.  
  61.   entryi.word[0] = 0;
  62.   entryi.word[1] = 0;
  63.                                                
  64.   entryi.p = true;                 /* present */
  65.   entryi.ma = MA_WRITEBACK;
  66.   entryi.a = true;                 /* already accessed */
  67.   entryi.d = true;                 /* already dirty */
  68.   entryi.pl = PL_KERNEL;
  69.   entryi.ar = AR_READ | AR_EXECUTE;
  70.   entryi.ppn = 0;
  71.   entryi.ps = PAGE_WIDTH;
  72.  
  73.    
  74.     for(i=0;i<100;i++)
  75.     {
  76.         itc_mapping_insert(0+i*(1<<PAGE_WIDTH),8,entryi);
  77.         dtc_mapping_insert(0+i*(1<<PAGE_WIDTH),9,entryd);
  78.     }  
  79.    
  80.  
  81.     tlb_invalidate_pages(8,0x0c000,14);
  82.    
  83.     /*tlb_invalidate_all();*/
  84.    
  85. }
  86.