source: mainline/kernel/arch/ia64/src/mm/frame.c@ 2f08ff55

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 2f08ff55 was ef5de6d, checked in by Jakub Jermar <jakub@…>, 17 years ago

Remove most of the ia64 dead / commented out code.

  • Property mode set to 100644
File size: 2.7 KB
Line 
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
50void poke_char(int x,int y,char ch, char c);
51
52#define MIN_ZONE_SIZE (64*1024)
53
54uintptr_t last_frame;
55#define MINCONF 1
56
57void 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 */
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