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.
 */
 
 /** @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)
{
    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 %#.16llXB %s\n",
            sizeof(unative_t) * 2,
               (unative_t) e820table[i].base_address,
               (uint64_t) 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
    }
}
 
 /** @}
 */
 
 

Rev 1702	Rev 1780
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	/** @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	__address 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,	64	start = ADDR2PFN(ALIGN_UP(e820table[i].base_address,
65	FRAME_SIZE));	65	FRAME_SIZE));
66	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size,	66	size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size,
67	FRAME_SIZE));	67	FRAME_SIZE));
68	if (minconf < start \|\| minconf >= start+size)	68	if (minconf < start \|\| minconf >= start+size)
69	conf = start;	69	conf = start;
70	else	70	else
71	conf = minconf;	71	conf = minconf;
72	zone_create(start, size, conf, 0);	72	zone_create(start, size, conf, 0);
73	if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE))	73	if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE))
74	last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);	74	last_frame = 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[] = { "invalid", "available", "reserved",	87	static char *e820names[] = { "invalid", "available", "reserved",
88	"acpi", "nvs", "unusable" };	88	"acpi", "nvs", "unusable" };
89		89
90		90
91	static int cmd_e820mem(cmd_arg_t *argv)	91	static int cmd_e820mem(cmd_arg_t *argv)
92	{	92	{
93	int i;	93	int i;
94	char *name;	94	char *name;
95		95
96	for (i = 0; i < e820counter; i++) {	96	for (i = 0; i < e820counter; i++) {
97	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)	97	if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE)
98	name = e820names[e820table[i].type];	98	name = e820names[e820table[i].type];
99	else	99	else
100	name = "invalid";	100	name = "invalid";
101	printf("%.*p %#.16llXB %s\n",	101	printf("%.*p %#.16llXB %s\n",
102	sizeof(__native) * 2,	102	sizeof(unative_t) * 2,
103	(__native) e820table[i].base_address,	103	(unative_t) e820table[i].base_address,
104	(__u64) e820table[i].size,	104	(uint64_t) e820table[i].size,
105	name);	105	name);
106	}	106	}
107	return 0;	107	return 0;
108	}	108	}
109		109
110		110
111	void frame_arch_init(void)	111	void frame_arch_init(void)
112	{	112	{
113	static pfn_t minconf;	113	static pfn_t minconf;
114		114
115	if (config.cpu_active == 1) {	115	if (config.cpu_active == 1) {
116	cmd_initialize(&e820_info);	116	cmd_initialize(&e820_info);
117	cmd_register(&e820_info);	117	cmd_register(&e820_info);
118		118
119		119
120	minconf = 1;	120	minconf = 1;
121	#ifdef CONFIG_SMP	121	#ifdef CONFIG_SMP
122	minconf = max(minconf,	122	minconf = max(minconf,
123	ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));	123	ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size));
124	#endif	124	#endif
125	#ifdef CONFIG_SIMICS_FIX	125	#ifdef CONFIG_SIMICS_FIX
126	minconf = max(minconf, ADDR2PFN(0x10000));	126	minconf = max(minconf, ADDR2PFN(0x10000));
127	#endif	127	#endif
128	init_e820_memory(minconf);	128	init_e820_memory(minconf);
129		129
130	/* Reserve frame 0 (BIOS data) */	130	/* Reserve frame 0 (BIOS data) */
131	frame_mark_unavailable(0, 1);	131	frame_mark_unavailable(0, 1);
132		132
133	#ifdef CONFIG_SMP	133	#ifdef CONFIG_SMP
134	/* Reserve AP real mode bootstrap memory */	134	/* Reserve AP real mode bootstrap memory */
135	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,	135	frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
136	(hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);	136	(hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
137		137
138	#ifdef CONFIG_SIMICS_FIX	138	#ifdef CONFIG_SIMICS_FIX
139	/* Don't know why, but this addresses help */	139	/* Don't know why, but this addresses help */
140	frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);	140	frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
141	#endif	141	#endif
142	#endif	142	#endif
143	}	143	}
144	}	144	}
145		145
146	/** @}	146	/** @}
147	*/	147	*/
148		148
149		149

Subversion Repositories HelenOS-historic

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