WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia32/src/mm/frame.c


/*
 * Copyright (c) 2008 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 ia32mm 
 * @{
 */
/** @file
 * @ingroup ia32mm, amd64mm
 */
 
#include <mm/frame.h>
#include <arch/mm/frame.h>
#include <mm/as.h>
#include <config.h>
#include <arch/boot/boot.h>
#include <arch/boot/memmap.h>
#include <panic.h>
#include <debug.h>
#include <align.h>
#include <macros.h>
 
#include <print.h>
 
size_t hardcoded_unmapped_ktext_size = 0;
size_t hardcoded_unmapped_kdata_size = 0;
 
uintptr_t last_frame = 0;
 
static void init_e820_memory(pfn_t minconf)
{
    unsigned int i;
    pfn_t start, conf;
    size_t size;
 
    for (i = 0; i < e820counter; i++) {
        if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
            start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));
            size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));
           
            if ((minconf < start) || (minconf >= start + size))
                conf = start;
            else
                conf = minconf;
           
            zone_create(start, size, conf, 0);
           
            if (last_frame < ALIGN_UP(e820table[i].base_address +
                e820table[i].size, FRAME_SIZE))
                last_frame =
                    ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
        }          
    }
}
 
static char *e820names[] = {
    "invalid",
    "available",
    "reserved",
    "acpi",
    "nvs",
    "unusable"
};
 
 
void physmem_print(void)
{
    unsigned int i;
    char *name;
   
    printf("Base               Size               Name\n");
    printf("------------------ ------------------ ---------\n");
       
    for (i = 0; i < e820counter; i++) {
        if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
            name = e820names[e820table[i].type];
        else
            name = "invalid";
       
        printf("%#18llx %#18llx %s\n", e820table[i].base_address,
            e820table[i].size, name);
    }
}
 
 
void frame_arch_init(void)
{
    pfn_t minconf;
   
    if (config.cpu_active == 1) {
        minconf = 1;
#ifdef CONFIG_SMP
        minconf = max(minconf,
            ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +
            hardcoded_unmapped_kdata_size));
#endif
 
 
 
        init_e820_memory(minconf);
 
        /* Reserve frame 0 (BIOS data) */
        frame_mark_unavailable(0, 1);
       
#ifdef CONFIG_SMP
        /* Reserve AP real mode bootstrap memory */
        frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
            (hardcoded_unmapped_ktext_size +
            hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
 
 
 
 
 
#endif
    }
}
 
/** @}
 */
 

Rev 2723	Rev 3891
1	/*	1	/*
2	* Copyright (c) 2008 Jakub Jermar	2	* Copyright (c) 2008 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 ia32mm	29	/** @addtogroup ia32mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	* @ingroup ia32mm, amd64mm	33	* @ingroup ia32mm, amd64mm
34	*/	34	*/
35		35
36	#include <mm/frame.h>	36	#include <mm/frame.h>
37	#include <arch/mm/frame.h>	37	#include <arch/mm/frame.h>
38	#include <mm/as.h>	38	#include <mm/as.h>
39	#include <config.h>	39	#include <config.h>
40	#include <arch/boot/boot.h>	40	#include <arch/boot/boot.h>
41	#include <arch/boot/memmap.h>	41	#include <arch/boot/memmap.h>
42	#include <panic.h>	42	#include <panic.h>
43	#include <debug.h>	43	#include <debug.h>
44	#include <align.h>	44	#include <align.h>
45	#include <macros.h>	45	#include <macros.h>
46		46
47	#include <print.h>	47	#include <print.h>
48		48
49	size_t hardcoded_unmapped_ktext_size = 0;	49	size_t hardcoded_unmapped_ktext_size = 0;
50	size_t hardcoded_unmapped_kdata_size = 0;	50	size_t hardcoded_unmapped_kdata_size = 0;
51		51
52	uintptr_t last_frame = 0;	52	uintptr_t last_frame = 0;
53		53
54	static void init_e820_memory(pfn_t minconf)	54	static void init_e820_memory(pfn_t minconf)
55	{	55	{
56	unsigned int i;	56	unsigned int i;
57	pfn_t start, conf;	57	pfn_t start, conf;
58	size_t size;	58	size_t size;
59		59
60	for (i = 0; i < e820counter; i++) {	60	for (i = 0; i < e820counter; i++) {
61	if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {	61	if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
62	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));	62	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));
63	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));	63	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));
64		64
65	if ((minconf < start) \|\| (minconf >= start + size))	65	if ((minconf < start) \|\| (minconf >= start + size))
66	conf = start;	66	conf = start;
67	else	67	else
68	conf = minconf;	68	conf = minconf;
69		69
70	zone_create(start, size, conf, 0);	70	zone_create(start, size, conf, 0);
71		71
72	if (last_frame < ALIGN_UP(e820table[i].base_address +	72	if (last_frame < ALIGN_UP(e820table[i].base_address +
73	e820table[i].size, FRAME_SIZE))	73	e820table[i].size, FRAME_SIZE))
74	last_frame =	74	last_frame =
75	ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);	75	ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
76	}	76	}
77	}	77	}
78	}	78	}
79		79
80	static char *e820names[] = {	80	static char *e820names[] = {
81	"invalid",	81	"invalid",
82	"available",	82	"available",
83	"reserved",	83	"reserved",
84	"acpi",	84	"acpi",
85	"nvs",	85	"nvs",
86	"unusable"	86	"unusable"
87	};	87	};
88		88
89		89
90	void physmem_print(void)	90	void physmem_print(void)
91	{	91	{
92	unsigned int i;	92	unsigned int i;
93	char *name;	93	char *name;
94		94
95	printf("Base Size Name\n");	95	printf("Base Size Name\n");
96	printf("------------------ ------------------ ---------\n");	96	printf("------------------ ------------------ ---------\n");
97		97
98	for (i = 0; i < e820counter; i++) {	98	for (i = 0; i < e820counter; i++) {
99	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)	99	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
100	name = e820names[e820table[i].type];	100	name = e820names[e820table[i].type];
101	else	101	else
102	name = "invalid";	102	name = "invalid";
103		103
104	printf("%#18llx %#18llx %s\n", e820table[i].base_address,	104	printf("%#18llx %#18llx %s\n", e820table[i].base_address,
105	e820table[i].size, name);	105	e820table[i].size, name);
106	}	106	}
107	}	107	}
108		108
109		109
110	void frame_arch_init(void)	110	void frame_arch_init(void)
111	{	111	{
112	pfn_t minconf;	112	pfn_t minconf;
113		113
114	if (config.cpu_active == 1) {	114	if (config.cpu_active == 1) {
115	minconf = 1;	115	minconf = 1;
116	#ifdef CONFIG_SMP	116	#ifdef CONFIG_SMP
117	minconf = max(minconf,	117	minconf = max(minconf,
118	ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +	118	ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +
119	hardcoded_unmapped_kdata_size));	119	hardcoded_unmapped_kdata_size));
120	#endif	120	#endif
121	#ifdef CONFIG_SIMICS_FIX	-
122	minconf = max(minconf, ADDR2PFN(0x10000));	-
123	#endif	-
124	init_e820_memory(minconf);	121	init_e820_memory(minconf);
125		122
126	/* Reserve frame 0 (BIOS data) */	123	/* Reserve frame 0 (BIOS data) */
127	frame_mark_unavailable(0, 1);	124	frame_mark_unavailable(0, 1);
128		125
129	#ifdef CONFIG_SMP	126	#ifdef CONFIG_SMP
130	/* Reserve AP real mode bootstrap memory */	127	/* Reserve AP real mode bootstrap memory */
131	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,	128	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
132	(hardcoded_unmapped_ktext_size +	129	(hardcoded_unmapped_ktext_size +
133	hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);	130	hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
134		-
135	#ifdef CONFIG_SIMICS_FIX	-
136	/* Don't know why, but these addresses help */	-
137	frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3);	-
138	#endif	-
139	#endif	131	#endif
140	}	132	}
141	}	133	}
142		134
143	/** @}	135	/** @}
144	*/	136	*/
145		137

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(root)/trunk/kernel/arch/ia32/src/mm/frame.c – Rev 2723 → 3891