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  1. /*
  2.  * Copyright (c) 2007 Pavel Jancik, Michal Kebrt
  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 arm32mm
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch/mm/page.h>
  36. #include <genarch/mm/page_pt.h>
  37. #include <mm/page.h>
  38. #include <mm/tlb.h>
  39. #include <align.h>
  40. #include <config.h>
  41. #include "../aux_print/printf.h"
  42.  
  43. void page_arch_init(void)
  44. {
  45.     uintptr_t cur;
  46.     int flags;
  47.  
  48.     page_mapping_operations = &pt_mapping_operations;
  49.  
  50.     flags = PAGE_CACHEABLE;
  51.  
  52.     /* PA2KA(identity) mapping for all frames until last_frame */
  53.     for (cur = 0; cur < last_frame; cur += FRAME_SIZE) {
  54.         page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
  55.     }
  56.  
  57.     // TODO: move to the kernel space
  58.     page_mapping_insert(AS_KERNEL, 0x00000000, 0x00000000, flags);
  59.     page_mapping_insert(AS_KERNEL, 0x10000000, 0x10000000, flags);
  60.     page_mapping_insert(AS_KERNEL, 0x15000000, 0x15000000, flags);
  61.     page_mapping_insert(AS_KERNEL, 0x16000000, 0x16000000, flags);
  62.  
  63.     tlb_invalidate_all();
  64.     SET_PTL0_ADDRESS_ARCH(AS_KERNEL->genarch.page_table);
  65.  
  66.     // note for Alf: kernel part of page table is copied in generic/mm/as_pt.c/ptl0_create
  67.     // TODO: register fault routine
  68. }
  69.  
  70. /** Map device into kernel space. */
  71. uintptr_t hw_map(uintptr_t physaddr, size_t size)
  72. {
  73.     /* TODO */
  74.     return NULL;
  75. }
  76.  
  77. /** @}
  78.  */
  79.  
  80.