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


/*
 * Copyright (C) 2001-2004 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.
 */
 
#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>
#include <console/cmd.h>
#include <console/kconsole.h>
 
size_t hardcoded_unmapped_ktext_size = 0;
size_t hardcoded_unmapped_kdata_size = 0;
 
__address last_frame = 0;
 
static void init_e820_memory(pfn_t minconf)
{
    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 int cmd_e820mem(cmd_arg_t *argv);
static cmd_info_t e820_info = {
    .name = "e820list",
    .description = "List e820 memory.",
    .func = cmd_e820mem,
    .argc = 0
};
 
static char *e820names[] = { "invalid", "available", "reserved",
                 "acpi", "nvs", "unusable" };
 
 
static int cmd_e820mem(cmd_arg_t *argv)
{
    int i;
    char *name;
 
    for (i = 0; i < e820counter; i++) {
        if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
            name = e820names[e820table[i].type];
        else
            name = "invalid";
        printf("%P %#llXB %s\n",
               (__native) e820table[i].base_address,
               (__u64) e820table[i].size,
               name);
    }          
    return 0;
}
 
 
void frame_arch_init(void)
{
    static pfn_t minconf;
 
    if (config.cpu_active == 1) {
        cmd_initialize(&e820_info);
        cmd_register(&e820_info);
 
 
        minconf = 1;
#ifdef CONFIG_SMP
        minconf = max(minconf,
                  ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));
#endif
#ifdef CONFIG_SIMICS_FIX
        minconf = max(minconf, ADDR2PFN(0x10000));
#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);
       
#ifdef CONFIG_SIMICS_FIX
        /* Don't know why, but this addresses help */
        frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
#endif
#endif
        /* Merge all zones to 1 big zone */
        zone_merge_all();
    }
}
 

Rev 925	Rev 1196
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 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	#include <mm/frame.h>	29	#include <mm/frame.h>
30	#include <arch/mm/frame.h>	30	#include <arch/mm/frame.h>
31	#include <mm/as.h>	31	#include <mm/as.h>
32	#include <config.h>	32	#include <config.h>
33	#include <arch/boot/boot.h>	33	#include <arch/boot/boot.h>
34	#include <arch/boot/memmap.h>	34	#include <arch/boot/memmap.h>
35	#include <panic.h>	35	#include <panic.h>
36	#include <debug.h>	36	#include <debug.h>
37	#include <align.h>	37	#include <align.h>
38	#include <macros.h>	38	#include <macros.h>
39		39
40	#include <print.h>	40	#include <print.h>
41	#include <console/cmd.h>	41	#include <console/cmd.h>
42	#include <console/kconsole.h>	42	#include <console/kconsole.h>
43		43
44	size_t hardcoded_unmapped_ktext_size = 0;	44	size_t hardcoded_unmapped_ktext_size = 0;
45	size_t hardcoded_unmapped_kdata_size = 0;	45	size_t hardcoded_unmapped_kdata_size = 0;
46		46
47	__address last_frame = 0;	47	__address last_frame = 0;
48		48
49	static void init_e820_memory(pfn_t minconf)	49	static void init_e820_memory(pfn_t minconf)
50	{	50	{
51	int i;	51	int i;
52	pfn_t start, conf;	52	pfn_t start, conf;
53	size_t size;	53	size_t size;
54		54
55	for (i = 0; i < e820counter; i++) {	55	for (i = 0; i < e820counter; i++) {
56	if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {	56	if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
57	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address,	57	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address,
58	FRAME_SIZE));	58	FRAME_SIZE));
59	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size,	59	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size,
60	FRAME_SIZE));	60	FRAME_SIZE));
61	if (minconf < start \|\| minconf >= start+size)	61	if (minconf < start \|\| minconf >= start+size)
62	conf = start;	62	conf = start;
63	else	63	else
64	conf = minconf;	64	conf = minconf;
65	zone_create(start, size, conf, 0);	65	zone_create(start, size, conf, 0);
66	if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE))	66	if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE))
67	last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);	67	last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
68	}	68	}
69	}	69	}
70	}	70	}
71		71
72	static int cmd_e820mem(cmd_arg_t *argv);	72	static int cmd_e820mem(cmd_arg_t *argv);
73	static cmd_info_t e820_info = {	73	static cmd_info_t e820_info = {
74	.name = "e820list",	74	.name = "e820list",
75	.description = "List e820 memory.",	75	.description = "List e820 memory.",
76	.func = cmd_e820mem,	76	.func = cmd_e820mem,
77	.argc = 0	77	.argc = 0
78	};	78	};
79		79
80	static char *e820names[] = { "invalid", "available", "reserved",	80	static char *e820names[] = { "invalid", "available", "reserved",
81	"acpi", "nvs", "unusable" };	81	"acpi", "nvs", "unusable" };
82		82
83		83
84	static int cmd_e820mem(cmd_arg_t *argv)	84	static int cmd_e820mem(cmd_arg_t *argv)
85	{	85	{
86	int i;	86	int i;
87	char *name;	87	char *name;
88		88
89	for (i = 0; i < e820counter; i++) {	89	for (i = 0; i < e820counter; i++) {
90	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)	90	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
91	name = e820names[e820table[i].type];	91	name = e820names[e820table[i].type];
92	else	92	else
93	name = "invalid";	93	name = "invalid";
94	printf("%P %QB %s\n",	94	printf("%P %#llXB %s\n",
95	(__native) e820table[i].base_address,	95	(__native) e820table[i].base_address,
96	(__u64) e820table[i].size,	96	(__u64) e820table[i].size,
97	name);	97	name);
98	}	98	}
99	return 0;	99	return 0;
100	}	100	}
101		101
102		102
103	void frame_arch_init(void)	103	void frame_arch_init(void)
104	{	104	{
105	static pfn_t minconf;	105	static pfn_t minconf;
106		106
107	if (config.cpu_active == 1) {	107	if (config.cpu_active == 1) {
108	cmd_initialize(&e820_info);	108	cmd_initialize(&e820_info);
109	cmd_register(&e820_info);	109	cmd_register(&e820_info);
110		110
111		111
112	minconf = 1;	112	minconf = 1;
113	#ifdef CONFIG_SMP	113	#ifdef CONFIG_SMP
114	minconf = max(minconf,	114	minconf = max(minconf,
115	ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));	115	ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));
116	#endif	116	#endif
117	#ifdef CONFIG_SIMICS_FIX	117	#ifdef CONFIG_SIMICS_FIX
118	minconf = max(minconf, ADDR2PFN(0x10000));	118	minconf = max(minconf, ADDR2PFN(0x10000));
119	#endif	119	#endif
120	init_e820_memory(minconf);	120	init_e820_memory(minconf);
121		121
122	/* Reserve frame 0 (BIOS data) */	122	/* Reserve frame 0 (BIOS data) */
123	frame_mark_unavailable(0, 1);	123	frame_mark_unavailable(0, 1);
124		124
125	#ifdef CONFIG_SMP	125	#ifdef CONFIG_SMP
126	/* Reserve AP real mode bootstrap memory */	126	/* Reserve AP real mode bootstrap memory */
127	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,	127	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
128	(hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);	128	(hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
129		129
130	#ifdef CONFIG_SIMICS_FIX	130	#ifdef CONFIG_SIMICS_FIX
131	/* Don't know why, but this addresses help */	131	/* Don't know why, but this addresses help */
132	frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);	132	frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
133	#endif	133	#endif
134	#endif	134	#endif
135	/* Merge all zones to 1 big zone */	135	/* Merge all zones to 1 big zone */
136	zone_merge_all();	136	zone_merge_all();
137	}	137	}
138	}	138	}
139		139

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/mm/frame.c – Rev 925 → 1196