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>
#include <console/cmd.h>
#include <console/kconsole.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)
{
    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)
{
    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);
    }          
    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 these addresses help */
        frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3);
#endif
#endif
    }
}
 
/** @}
 */
 

Rev 2702	Rev 2712
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	#include <console/cmd.h>	48	#include <console/cmd.h>
49	#include <console/kconsole.h>	49	#include <console/kconsole.h>
50		50
51	size_t hardcoded_unmapped_ktext_size = 0;	51	size_t hardcoded_unmapped_ktext_size = 0;
52	size_t hardcoded_unmapped_kdata_size = 0;	52	size_t hardcoded_unmapped_kdata_size = 0;
53		53
54	uintptr_t last_frame = 0;	54	uintptr_t last_frame = 0;
55		55
56	static void init_e820_memory(pfn_t minconf)	56	static void init_e820_memory(pfn_t minconf)
57	{	57	{
58	int i;	58	int i;
59	pfn_t start, conf;	59	pfn_t start, conf;
60	size_t size;	60	size_t size;
61		61
62	for (i = 0; i < e820counter; i++) {	62	for (i = 0; i < e820counter; i++) {
63	if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {	63	if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
64	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));	64	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));
65	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));	65	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));
66	if ((minconf < start) \|\| (minconf >= start + size))	66	if ((minconf < start) \|\| (minconf >= start + size))
67	conf = start;	67	conf = start;
68	else	68	else
69	conf = minconf;	69	conf = minconf;
70	zone_create(start, size, conf, 0);	70	zone_create(start, size, conf, 0);
71	if (last_frame < ALIGN_UP(e820table[i].base_address +	71	if (last_frame < ALIGN_UP(e820table[i].base_address +
72	e820table[i].size, FRAME_SIZE))	72	e820table[i].size, FRAME_SIZE))
73	last_frame =	73	last_frame =
74	ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);	74	ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
75	}	75	}
76	}	76	}
77	}	77	}
78		78
79	static int cmd_e820mem(cmd_arg_t *argv);	79	static int cmd_e820mem(cmd_arg_t *argv);
80	static cmd_info_t e820_info = {	80	static cmd_info_t e820_info = {
81	.name = "e820list",	81	.name = "e820list",
82	.description = "List e820 memory.",	82	.description = "List e820 memory.",
83	.func = cmd_e820mem,	83	.func = cmd_e820mem,
84	.argc = 0	84	.argc = 0
85	};	85	};
86		86
87	static char *e820names[] = {	87	static char *e820names[] = {
88	"invalid",	88	"invalid",
89	"available",	89	"available",
90	"reserved",	90	"reserved",
91	"acpi",	91	"acpi",
92	"nvs",	92	"nvs",
93	"unusable"	93	"unusable"
94	};	94	};
95		95
96		96
97	static int cmd_e820mem(cmd_arg_t *argv)	97	static int cmd_e820mem(cmd_arg_t *argv)
98	{	98	{
99	int i;	99	unsigned int i;
100	char *name;	100	char *name;
101		101
-		102	printf("Base Size Name\n");
-		103	printf("------------------ ------------------ ---------\n");
-		104
102	for (i = 0; i < e820counter; i++) {	105	for (i = 0; i < e820counter; i++) {
103	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)	106	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
104	name = e820names[e820table[i].type];	107	name = e820names[e820table[i].type];
105	else	108	else
106	name = "invalid";	109	name = "invalid";
107	printf("%.p %#.16llXB %s\n", sizeof(unative_t) 2,	-
-		110
108	(unative_t) e820table[i].base_address,	111	printf("%#18llx %#18llx %s\n", e820table[i].base_address,
109	(uint64_t) e820table[i].size, name);	112	e820table[i].size, name);
110	}	113	}
111	return 0;	114	return 0;
112	}	115	}
113		116
114		117
115	void frame_arch_init(void)	118	void frame_arch_init(void)
116	{	119	{
117	static pfn_t minconf;	120	static pfn_t minconf;
118		121
119	if (config.cpu_active == 1) {	122	if (config.cpu_active == 1) {
120	cmd_initialize(&e820_info);	123	cmd_initialize(&e820_info);
121	cmd_register(&e820_info);	124	cmd_register(&e820_info);
122		125
123	minconf = 1;	126	minconf = 1;
124	#ifdef CONFIG_SMP	127	#ifdef CONFIG_SMP
125	minconf = max(minconf,	128	minconf = max(minconf,
126	ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +	129	ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +
127	hardcoded_unmapped_kdata_size));	130	hardcoded_unmapped_kdata_size));
128	#endif	131	#endif
129	#ifdef CONFIG_SIMICS_FIX	132	#ifdef CONFIG_SIMICS_FIX
130	minconf = max(minconf, ADDR2PFN(0x10000));	133	minconf = max(minconf, ADDR2PFN(0x10000));
131	#endif	134	#endif
132	init_e820_memory(minconf);	135	init_e820_memory(minconf);
133		136
134	/* Reserve frame 0 (BIOS data) */	137	/* Reserve frame 0 (BIOS data) */
135	frame_mark_unavailable(0, 1);	138	frame_mark_unavailable(0, 1);
136		139
137	#ifdef CONFIG_SMP	140	#ifdef CONFIG_SMP
138	/* Reserve AP real mode bootstrap memory */	141	/* Reserve AP real mode bootstrap memory */
139	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,	142	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
140	(hardcoded_unmapped_ktext_size +	143	(hardcoded_unmapped_ktext_size +
141	hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);	144	hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
142		145
143	#ifdef CONFIG_SIMICS_FIX	146	#ifdef CONFIG_SIMICS_FIX
144	/* Don't know why, but these addresses help */	147	/* Don't know why, but these addresses help */
145	frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3);	148	frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3);
146	#endif	149	#endif
147	#endif	150	#endif
148	}	151	}
149	}	152	}
150		153
151	/** @}	154	/** @}
152	*/	155	*/
153		156

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia32/src/mm/frame.c @ 2721 – Rev 2702 → 2712