WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia64/src/mm/frame.c


/*
 * Copyright (c) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup ia64mm 
 * @{
 */
/** @file
 */
 
#include <arch/mm/frame.h>
#include <mm/frame.h>
#include <config.h>
#include <panic.h>
#include <arch/bootinfo.h>
#include <align.h>
#include <macros.h>
 
 
 
 
 
 
 
 
#define KERNEL_RESERVED_AREA_BASE (0x4400000)
#define KERNEL_RESERVED_AREA_SIZE (16*1024*1024)
 
#define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start
 
#define ROM_BASE    0xa0000               //For ski
#define ROM_SIZE    (384 * 1024)          //For ski
void poke_char(int x,int y,char ch, char c);
 
#define MIN_ZONE_SIZE (64*1024)
 
uintptr_t last_frame;
#define MINCONF 1
 
void frame_arch_init(void)
{
 
    if(config.cpu_active==1){
       
       
       
        unsigned int i;
        for(i=0;i<bootinfo->memmap_items;i++){
            if (bootinfo->memmap[i].type==EFI_MEMMAP_FREE_MEM){
                uint64_t base=bootinfo->memmap[i].base;
                uint64_t size=bootinfo->memmap[i].size;
                uint64_t abase=ALIGN_UP(base,FRAME_SIZE);
                if(size>FRAME_SIZE) size -=abase-base;
               
 
                if(size>MIN_ZONE_SIZE)  {
                    zone_create(abase >> FRAME_WIDTH, (size) >> FRAME_WIDTH, max(MINCONF,((abase) >> FRAME_WIDTH)), 0);
                }  
            }
        }
       
 
 
        /*
        * Blacklist ROM regions.
        */
        frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
 
        frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
    }  
}
 
/** @}
 */
 

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia64/src/mm/frame.c – Rev 3616 → 3763

Rev 3616		Rev 3763
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Jermar	2	* Copyright (c) 2005 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	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	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.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	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	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	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	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	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	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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup ia64mm	29	/** @addtogroup ia64mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/mm/frame.h>	35	#include <arch/mm/frame.h>
36	#include <mm/frame.h>	36	#include <mm/frame.h>
37	#include <config.h>	37	#include <config.h>
38	#include <panic.h>	38	#include <panic.h>
39	#include <arch/bootinfo.h>	39	#include <arch/bootinfo.h>
40	#include <align.h>	40	#include <align.h>
41	#include <macros.h>	41	#include <macros.h>
42		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)	43	#define KERNEL_RESERVED_AREA_BASE (0x4400000)
51	#define KERNEL_RESERVED_AREA_SIZE (1610241024)	44	#define KERNEL_RESERVED_AREA_SIZE (1610241024)
52		45
53	#define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start	46	#define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start
54		47
55	#define ROM_BASE 0xa0000 //For ski	48	#define ROM_BASE 0xa0000 //For ski
56	#define ROM_SIZE (384 * 1024) //For ski	49	#define ROM_SIZE (384 * 1024) //For ski
57	void poke_char(int x,int y,char ch, char c);	50	void poke_char(int x,int y,char ch, char c);
58		51
59	#define MIN_ZONE_SIZE (64*1024)	52	#define MIN_ZONE_SIZE (64*1024)
60		53
61	uintptr_t last_frame;	54	uintptr_t last_frame;
62	#define MINCONF 1	55	#define MINCONF 1
63		56
64	void frame_arch_init(void)	57	void frame_arch_init(void)
65	{	58	{
66		59
67	if(config.cpu_active==1){	60	if(config.cpu_active==1){
68		61
69		62
70		63
71	unsigned int i;	64	unsigned int i;
72	for(i=0;i<bootinfo->memmap_items;i++){	65	for(i=0;i<bootinfo->memmap_items;i++){
73	if (bootinfo->memmap[i].type==EFI_MEMMAP_FREE_MEM){	66	if (bootinfo->memmap[i].type==EFI_MEMMAP_FREE_MEM){
74	uint64_t base=bootinfo->memmap[i].base;	67	uint64_t base=bootinfo->memmap[i].base;
75	uint64_t size=bootinfo->memmap[i].size;	68	uint64_t size=bootinfo->memmap[i].size;
76	uint64_t abase=ALIGN_UP(base,FRAME_SIZE);	69	uint64_t abase=ALIGN_UP(base,FRAME_SIZE);
77	if(size>FRAME_SIZE) size -=abase-base;	70	if(size>FRAME_SIZE) size -=abase-base;
78		71
79		72
80	if(size>MIN_ZONE_SIZE) {	73	if(size>MIN_ZONE_SIZE) {
81	zone_create(abase >> FRAME_WIDTH, (size) >> FRAME_WIDTH, max(MINCONF,((abase) >> FRAME_WIDTH)), 0);	74	zone_create(abase >> FRAME_WIDTH, (size) >> FRAME_WIDTH, max(MINCONF,((abase) >> FRAME_WIDTH)), 0);
82	}	75	}
83	}	76	}
84	}	77	}
85		78
86	//zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);	-
87		-
88	/*	79	/*
89	* Blacklist ROM regions.	80	* Blacklist ROM regions.
90	*/	81	*/
91	frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));	82	frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
92		83
93	frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));	84	frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
94	}	85	}
95	}	86	}
96		87
97	/** @}	88	/** @}
98	*/	89	*/
99		90