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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. /*
  44.  * This is Ski-specific and certainly not sufficient
  45.  * for real ia64 systems that provide memory map.
  46.  */
  47. #define MEMORY_SIZE (256 * 1024 * 1024)
  48. #define MEMORY_BASE (0 * 64 * 1024 * 1024)
  49.  
  50. #define KERNEL_RESERVED_AREA_BASE (0x4400000)
  51. #define KERNEL_RESERVED_AREA_SIZE (16*1024*1024)
  52.  
  53. #define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start
  54.  
  55. #define ROM_BASE    0xa0000               //For ski
  56. #define ROM_SIZE    (384 * 1024)          //For ski
  57. void poke_char(int x,int y,char ch, char c);
  58.  
  59. #define MIN_ZONE_SIZE (64*1024)
  60.  
  61. uintptr_t last_frame;
  62. #define MINCONF 1
  63.  
  64. void frame_arch_init(void)
  65. {
  66.  
  67.     if(config.cpu_active==1){
  68.        
  69.        
  70.        
  71.         unsigned int i;
  72.         for(i=0;i<bootinfo->memmap_items;i++){
  73.             if (bootinfo->memmap[i].type==EFI_MEMMAP_FREE_MEM){
  74.                 uint64_t base=bootinfo->memmap[i].base;
  75.                 uint64_t size=bootinfo->memmap[i].size;
  76.                 uint64_t abase=ALIGN_UP(base,FRAME_SIZE);
  77.                 if(size>FRAME_SIZE) size -=abase-base;
  78.                
  79.  
  80.                 if(size>MIN_ZONE_SIZE)  {
  81.                     zone_create(abase >> FRAME_WIDTH, (size) >> FRAME_WIDTH, max(MINCONF,((abase) >> FRAME_WIDTH)), 0);
  82.                 }  
  83.             }
  84.         }
  85.        
  86.         //zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);
  87.    
  88.         /*
  89.         * Blacklist ROM regions.
  90.         */
  91.         frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
  92.  
  93.         frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
  94.     }  
  95. }
  96.  
  97. /** @}
  98.  */
  99.