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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.  *  @brief Frame related declarations.
  34.  */
  35.  
  36. #ifndef KERN_arm32_FRAME_H_
  37. #define KERN_arm32_FRAME_H_
  38.  
  39. #define FRAME_WIDTH     12 /* 4KB frames */
  40. #define FRAME_SIZE      (1 << FRAME_WIDTH)
  41.  
  42. #ifdef KERNEL
  43. #ifndef __ASM__
  44.  
  45. #include <arch/types.h>
  46.  
  47. #define BOOT_PAGE_TABLE_SIZE    0x4000
  48. #define BOOT_PAGE_TABLE_ADDRESS 0x4000
  49.  
  50. #define BOOT_PAGE_TABLE_START_FRAME     (BOOT_PAGE_TABLE_ADDRESS >> FRAME_WIDTH)
  51. #define BOOT_PAGE_TABLE_SIZE_IN_FRAMES  (BOOT_PAGE_TABLE_SIZE >> FRAME_WIDTH)
  52.  
  53. extern uintptr_t last_frame;
  54. extern uintptr_t end_frame;
  55.  
  56. extern void frame_arch_init(void);
  57. extern void boot_page_table_free(void);
  58. #define physmem_print()
  59.  
  60. #endif /* __ASM__ */
  61. #endif /* KERNEL */
  62.  
  63. #endif
  64.  
  65. /** @}
  66.  */
  67.