WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ia32/src/mm/memory_init.c


/*
 * Copyright (C) 2005 Josef Cejka
 * 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 ia32mm
 * @{
 */
/** @file
 */
 
#include <arch/boot/memmap.h>
#include <arch/mm/memory_init.h>
#include <arch/mm/page.h>
#include <print.h>
 
uint8_t e820counter = 0xff;
struct e820memmap_ e820table[MEMMAP_E820_MAX_RECORDS];
uint32_t e801memorysize;
 
size_t get_memory_size(void)
{
    return e801memorysize*1024;
}
 
void memory_print_map(void)
{
    uint8_t i;
   
    for (i=0;i<e820counter;i++) {
        printf("E820 base: %#.16llx size: %#.16llx type: ", e820table[i].base_address, e820table[i].size);
        switch (e820table[i].type) {
            case MEMMAP_MEMORY_AVAILABLE:
                printf("available memory\n");
                break;
            case MEMMAP_MEMORY_RESERVED:
                printf("reserved memory\n");
                break;
            case MEMMAP_MEMORY_ACPI:
                printf("ACPI table\n");
                break;
            case MEMMAP_MEMORY_NVS:
                printf("NVS\n");
                break;
            case MEMMAP_MEMORY_UNUSABLE:
                printf("unusable memory\n");
                break;
            default:
                printf("undefined memory type\n");
        }
    }
 
}
 
 
 /** @}
 */
 
 

Rev 1702	Rev 1780
1	/*	1	/*
2	* Copyright (C) 2005 Josef Cejka	2	* Copyright (C) 2005 Josef Cejka
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 ia32mm	29	/** @addtogroup ia32mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/boot/memmap.h>	35	#include <arch/boot/memmap.h>
36	#include <arch/mm/memory_init.h>	36	#include <arch/mm/memory_init.h>
37	#include <arch/mm/page.h>	37	#include <arch/mm/page.h>
38	#include <print.h>	38	#include <print.h>
39		39
40	__u8 e820counter = 0xff;	40	uint8_t e820counter = 0xff;
41	struct e820memmap_ e820table[MEMMAP_E820_MAX_RECORDS];	41	struct e820memmap_ e820table[MEMMAP_E820_MAX_RECORDS];
42	__u32 e801memorysize;	42	uint32_t e801memorysize;
43		43
44	size_t get_memory_size(void)	44	size_t get_memory_size(void)
45	{	45	{
46	return e801memorysize*1024;	46	return e801memorysize*1024;
47	}	47	}
48		48
49	void memory_print_map(void)	49	void memory_print_map(void)
50	{	50	{
51	__u8 i;	51	uint8_t i;
52		52
53	for (i=0;i<e820counter;i++) {	53	for (i=0;i<e820counter;i++) {
54	printf("E820 base: %#.16llx size: %#.16llx type: ", e820table[i].base_address, e820table[i].size);	54	printf("E820 base: %#.16llx size: %#.16llx type: ", e820table[i].base_address, e820table[i].size);
55	switch (e820table[i].type) {	55	switch (e820table[i].type) {
56	case MEMMAP_MEMORY_AVAILABLE:	56	case MEMMAP_MEMORY_AVAILABLE:
57	printf("available memory\n");	57	printf("available memory\n");
58	break;	58	break;
59	case MEMMAP_MEMORY_RESERVED:	59	case MEMMAP_MEMORY_RESERVED:
60	printf("reserved memory\n");	60	printf("reserved memory\n");
61	break;	61	break;
62	case MEMMAP_MEMORY_ACPI:	62	case MEMMAP_MEMORY_ACPI:
63	printf("ACPI table\n");	63	printf("ACPI table\n");
64	break;	64	break;
65	case MEMMAP_MEMORY_NVS:	65	case MEMMAP_MEMORY_NVS:
66	printf("NVS\n");	66	printf("NVS\n");
67	break;	67	break;
68	case MEMMAP_MEMORY_UNUSABLE:	68	case MEMMAP_MEMORY_UNUSABLE:
69	printf("unusable memory\n");	69	printf("unusable memory\n");
70	break;	70	break;
71	default:	71	default:
72	printf("undefined memory type\n");	72	printf("undefined memory type\n");
73	}	73	}
74	}	74	}
75		75
76	}	76	}
77		77
78		78
79	/** @}	79	/** @}
80	*/	80	*/
81		81
82		82

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/mm/memory_init.c – Rev 1702 → 1780