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  1. /*
  2.  * Copyright (C) 2001-2004 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 xen32mm
  30.  * @{
  31.  */
  32. /** @file
  33.  * @ingroup xen32mm
  34.  */
  35.  
  36. #include <mm/frame.h>
  37. #include <arch/mm/frame.h>
  38. #include <mm/as.h>
  39. #include <config.h>
  40. #include <arch/boot/boot.h>
  41. #include <panic.h>
  42. #include <debug.h>
  43. #include <align.h>
  44. #include <macros.h>
  45.  
  46. #include <print.h>
  47. #include <console/cmd.h>
  48. #include <console/kconsole.h>
  49.  
  50. uintptr_t last_frame = 0;
  51.  
  52. void frame_arch_init(void)
  53. {
  54.     static pfn_t minconf;
  55.  
  56.     if (config.cpu_active == 1) {
  57.         minconf = 1;
  58. #ifdef CONFIG_SIMICS_FIX
  59.         minconf = max(minconf, ADDR2PFN(0x10000));
  60. #endif
  61.  
  62.         /* Reserve frame 0 (BIOS data) */
  63.         frame_mark_unavailable(0, 1);
  64.        
  65. #ifdef CONFIG_SIMICS_FIX
  66.         /* Don't know why, but these addresses help */
  67.         frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
  68. #endif
  69.     }
  70. }
  71.  
  72. /** @}
  73.  */
  74.