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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 ia64mm 
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch/mm/frame.h>
  36. #include <mm/frame.h>
  37. #include <config.h>
  38. #include <panic.h>
  39. #include <arch/bootinfo.h>
  40. #include <align.h>
  41. #include <macros.h>
  42.  
  43. #define KERNEL_RESERVED_AREA_BASE (0x4400000)
  44. #define KERNEL_RESERVED_AREA_SIZE (16*1024*1024)
  45.  
  46. #define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start
  47.  
  48. #define ROM_BASE    0xa0000               //For ski
  49. #define ROM_SIZE    (384 * 1024)          //For ski
  50. void poke_char(int x,int y,char ch, char c);
  51.  
  52. #define MIN_ZONE_SIZE (64*1024)
  53.  
  54. uintptr_t last_frame;
  55. #define MINCONF 1
  56.  
  57. void frame_arch_init(void)
  58. {
  59.  
  60.     if(config.cpu_active==1){
  61.        
  62.        
  63.        
  64.         unsigned int i;
  65.         for(i=0;i<bootinfo->memmap_items;i++){
  66.             if (bootinfo->memmap[i].type==EFI_MEMMAP_FREE_MEM){
  67.                 uint64_t base=bootinfo->memmap[i].base;
  68.                 uint64_t size=bootinfo->memmap[i].size;
  69.                 uint64_t abase=ALIGN_UP(base,FRAME_SIZE);
  70.                 if(size>FRAME_SIZE) size -=abase-base;
  71.                
  72.  
  73.                 if(size>MIN_ZONE_SIZE)  {
  74.                     zone_create(abase >> FRAME_WIDTH, (size) >> FRAME_WIDTH, max(MINCONF,((abase) >> FRAME_WIDTH)), 0);
  75.                 }  
  76.             }
  77.         }
  78.        
  79.         /*
  80.         * Blacklist ROM regions.
  81.         */
  82.         frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
  83.  
  84.         frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
  85.     }  
  86. }
  87.  
  88. /** @}
  89.  */
  90.