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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.  
  29. /** @addtogroup mips32mm
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch/mm/as.h>
  36. #include <genarch/mm/as_pt.h>
  37. #include <genarch/mm/page_pt.h>
  38. #include <genarch/mm/asid_fifo.h>
  39. #include <arch/mm/tlb.h>
  40. #include <mm/tlb.h>
  41. #include <mm/as.h>
  42. #include <arch/cp0.h>
  43.  
  44. /** Architecture dependent address space init. */
  45. void as_arch_init(void)
  46. {
  47.     as_operations = &as_pt_operations;
  48.     asid_fifo_init();
  49. }
  50.  
  51. /** Install address space.
  52.  *
  53.  * Install ASID.
  54.  *
  55.  * @param as Address space structure.
  56.  */
  57. void as_install_arch(as_t *as)
  58. {
  59.     entry_hi_t hi;
  60.  
  61.     /*
  62.      * Install ASID.
  63.      */
  64.     hi.value = cp0_entry_hi_read();
  65.  
  66.     hi.asid = as->asid;
  67.     cp0_entry_hi_write(hi.value);  
  68. }
  69.  
  70. /** @}
  71.  */
  72.