WebSVN – HelenOS – Diff – /trunk/kernel/genarch/src/acpi/madt.c


/*
 * Copyright (C) 2005 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 <arch/types.h>
#include <typedefs.h>
#include <arch/acpi/acpi.h>
#include <arch/acpi/madt.h>
#include <arch/smp/apic.h>
#include <arch/smp/smp.h>
#include <panic.h>
#include <debug.h>
#include <config.h>
#include <print.h>
#include <mm/heap.h>
#include <memstr.h>
 
struct acpi_madt *acpi_madt = NULL;
 
#ifdef __SMP__
 
static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);
static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);
 
struct madt_l_apic *madt_l_apic_entries = NULL;
struct madt_io_apic *madt_io_apic_entries = NULL;
 
__u32 madt_l_apic_entry_index = 0;
__u32 madt_io_apic_entry_index = 0;
int madt_l_apic_entry_cnt = 0;
int madt_io_apic_entry_cnt = 0;
 
struct madt_apic_header * * madt_entries_index = NULL;
int madt_entries_index_cnt = 0;
 
char *entry[] = {
    "L_APIC",
    "IO_APIC",
    "INTR_SRC_OVRD",
    "NMI_SRC",
    "L_APIC_NMI",
    "L_APIC_ADDR_OVRD",
    "IO_SAPIC",
    "L_SAPIC",
    "PLATFORM_INTR_SRC"
};
 
/*
 * ACPI MADT Implementation of SMP configuration interface.
 */
static count_t madt_cpu_count(void);
static bool madt_cpu_enabled(index_t i);
static bool madt_cpu_bootstrap(index_t i);
static __u8 madt_cpu_apic_id(index_t i);
 
struct smp_config_operations madt_config_operations = {
    .cpu_count = madt_cpu_count,
    .cpu_enabled = madt_cpu_enabled,
    .cpu_bootstrap = madt_cpu_bootstrap,
    .cpu_apic_id = madt_cpu_apic_id
};
 
static count_t madt_cpu_count(void)
{
    return madt_l_apic_entry_cnt;
}
 
static bool madt_cpu_enabled(index_t i)
{
    ASSERT(i < madt_l_apic_entry_cnt);
    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;
 
}
 
static bool madt_cpu_bootstrap(index_t i)
{
    ASSERT(i < madt_l_apic_entry_cnt);
    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();
}
 
static __u8 madt_cpu_apic_id(index_t i)
{
    ASSERT(i < madt_l_apic_entry_cnt);
    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;
}
 
void acpi_madt_parse(void)
{
    struct madt_apic_header *end = (struct madt_apic_header *) (((__u8 *) acpi_madt) + acpi_madt->header.length);
    struct madt_apic_header *h;
   
        l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;
 
    /* calculate madt entries */
    for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((__u8 *) h) + h->length)) {
        madt_entries_index_cnt++;
    }
    printf("MADT: Found %d entries\n", madt_entries_index_cnt);
 
    /* create madt apic entries index array */
    madt_entries_index = (struct madt_apic_header * *) malloc(madt_entries_index_cnt * sizeof(struct madt_apic_header * *));
 
    __u32 index = 0;
 
    for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((__u8 *) h) + h->length)) {
        madt_entries_index[index++] = h;
    }
 
 
    /* Bublesort madt index. Quicksort later. */
    bool done = false;
 
    while (!done) {
        done = true;
        for (index = 0; index < madt_entries_index_cnt - 1; index++) {
            if (madt_entries_index[index]->type > madt_entries_index[index + 1]->type) {
                h = madt_entries_index[index];
                madt_entries_index[index] = madt_entries_index[index + 1];
                madt_entries_index[index + 1] = h;
                done = false;
            }
            }
   
    }
       
 
    /* Parse MADT entries */   
    for (index = 0; index < madt_entries_index_cnt - 1; index++) {
        h = madt_entries_index[index];
        switch (h->type) {
            case MADT_L_APIC:
                madt_l_apic_entry((struct madt_l_apic *) h, index);
                break;
            case MADT_IO_APIC:
                madt_io_apic_entry((struct madt_io_apic *) h, index);
                break;
            case MADT_INTR_SRC_OVRD:
            case MADT_NMI_SRC:
            case MADT_L_APIC_NMI:
            case MADT_L_APIC_ADDR_OVRD:
            case MADT_IO_SAPIC:
            case MADT_L_SAPIC:
            case MADT_PLATFORM_INTR_SRC:
                printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type);
                break;
 
            default:
                if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {
                    printf("MADT: skipping reserved entry (type=%d)\n", h->type);
                }
                if (h->type >= MADT_RESERVED_OEM_BEGIN) {
                    printf("MADT: skipping OEM entry (type=%d)\n", h->type);
                }
                break;
        }
   
   
    }
   
 
    if (madt_l_apic_entry_cnt)
        config.cpu_count = madt_l_apic_entry_cnt;
}
 
 
void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)
{
    if (!madt_l_apic_entry_cnt++) {
        madt_l_apic_entry_index = index;
    }
       
    if (!(la->flags & 0x1)) {
        /* Processor is unusable, skip it. */
        return;
    }
       
    apic_id_mask |= 1<<la->apic_id;
}
 
void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)
{
    if (!madt_io_apic_entry_cnt++) {
        /* remember index of the first io apic entry */
        madt_io_apic_entry_index = index;
 
        io_apic = (__u32 *) (__native) ioa->io_apic_address;
    } else {
        /* currently not supported */
        return;
    }
}
 
 
#endif /* __SMP__ */
 

Rev 310	Rev 311
1	/*	1	/*
2	* Copyright (C) 2005 Jakub Jermar	2	* Copyright (C) 2005 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 <arch/types.h>	29	#include <arch/types.h>
30	#include <typedefs.h>	30	#include <typedefs.h>
31	#include <arch/acpi/acpi.h>	31	#include <arch/acpi/acpi.h>
32	#include <arch/acpi/madt.h>	32	#include <arch/acpi/madt.h>
33	#include <arch/smp/apic.h>	33	#include <arch/smp/apic.h>
34	#include <arch/smp/smp.h>	34	#include <arch/smp/smp.h>
35	#include <panic.h>	35	#include <panic.h>
36	#include <debug.h>	36	#include <debug.h>
37	#include <config.h>	37	#include <config.h>
38	#include <print.h>	38	#include <print.h>
39	#include <mm/heap.h>	39	#include <mm/heap.h>
40	#include <memstr.h>	40	#include <memstr.h>
41		41
42	struct acpi_madt *acpi_madt = NULL;	42	struct acpi_madt *acpi_madt = NULL;
43		43
44	#ifdef __SMP__	44	#ifdef __SMP__
45		45
46	static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);	46	static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);
47	static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);	47	static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);
48		48
49	struct madt_l_apic *madt_l_apic_entries = NULL;	49	struct madt_l_apic *madt_l_apic_entries = NULL;
50	struct madt_io_apic *madt_io_apic_entries = NULL;	50	struct madt_io_apic *madt_io_apic_entries = NULL;
51		51
52	__u32 madt_l_apic_entry_index = 0;	52	__u32 madt_l_apic_entry_index = 0;
53	__u32 madt_io_apic_entry_index = 0;	53	__u32 madt_io_apic_entry_index = 0;
54	int madt_l_apic_entry_cnt = 0;	54	int madt_l_apic_entry_cnt = 0;
55	int madt_io_apic_entry_cnt = 0;	55	int madt_io_apic_entry_cnt = 0;
56		56
57	struct madt_apic_header * * madt_entries_index = NULL;	57	struct madt_apic_header * * madt_entries_index = NULL;
58	int madt_entries_index_cnt = 0;	58	int madt_entries_index_cnt = 0;
59		59
60	char *entry[] = {	60	char *entry[] = {
61	"L_APIC",	61	"L_APIC",
62	"IO_APIC",	62	"IO_APIC",
63	"INTR_SRC_OVRD",	63	"INTR_SRC_OVRD",
64	"NMI_SRC",	64	"NMI_SRC",
65	"L_APIC_NMI",	65	"L_APIC_NMI",
66	"L_APIC_ADDR_OVRD",	66	"L_APIC_ADDR_OVRD",
67	"IO_SAPIC",	67	"IO_SAPIC",
68	"L_SAPIC",	68	"L_SAPIC",
69	"PLATFORM_INTR_SRC"	69	"PLATFORM_INTR_SRC"
70	};	70	};
71		71
72	/*	72	/*
73	* ACPI MADT Implementation of SMP configuration interface.	73	* ACPI MADT Implementation of SMP configuration interface.
74	*/	74	*/
75	static count_t madt_cpu_count(void);	75	static count_t madt_cpu_count(void);
76	static bool madt_cpu_enabled(index_t i);	76	static bool madt_cpu_enabled(index_t i);
77	static bool madt_cpu_bootstrap(index_t i);	77	static bool madt_cpu_bootstrap(index_t i);
78	static __u8 madt_cpu_apic_id(index_t i);	78	static __u8 madt_cpu_apic_id(index_t i);
79		79
80	struct smp_config_operations madt_config_operations = {	80	struct smp_config_operations madt_config_operations = {
81	.cpu_count = madt_cpu_count,	81	.cpu_count = madt_cpu_count,
82	.cpu_enabled = madt_cpu_enabled,	82	.cpu_enabled = madt_cpu_enabled,
83	.cpu_bootstrap = madt_cpu_bootstrap,	83	.cpu_bootstrap = madt_cpu_bootstrap,
84	.cpu_apic_id = madt_cpu_apic_id	84	.cpu_apic_id = madt_cpu_apic_id
85	};	85	};
86		86
87	static count_t madt_cpu_count(void)	87	static count_t madt_cpu_count(void)
88	{	88	{
89	return madt_l_apic_entry_cnt;	89	return madt_l_apic_entry_cnt;
90	}	90	}
91		91
92	static bool madt_cpu_enabled(index_t i)	92	static bool madt_cpu_enabled(index_t i)
93	{	93	{
94	ASSERT(i < madt_l_apic_entry_cnt);	94	ASSERT(i < madt_l_apic_entry_cnt);
95	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;	95	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;
96		96
97	}	97	}
98		98
99	static bool madt_cpu_bootstrap(index_t i)	99	static bool madt_cpu_bootstrap(index_t i)
100	{	100	{
101	ASSERT(i < madt_l_apic_entry_cnt);	101	ASSERT(i < madt_l_apic_entry_cnt);
102	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();	102	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();
103	}	103	}
104		104
105	static __u8 madt_cpu_apic_id(index_t i)	105	static __u8 madt_cpu_apic_id(index_t i)
106	{	106	{
107	ASSERT(i < madt_l_apic_entry_cnt);	107	ASSERT(i < madt_l_apic_entry_cnt);
108	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;	108	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;
109	}	109	}
110		110
111	void acpi_madt_parse(void)	111	void acpi_madt_parse(void)
112	{	112	{
113	struct madt_apic_header end = (struct madt_apic_header ) (((__u8 *) acpi_madt) + acpi_madt->header.length);	113	struct madt_apic_header end = (struct madt_apic_header ) (((__u8 *) acpi_madt) + acpi_madt->header.length);
114	struct madt_apic_header *h;	114	struct madt_apic_header *h;
-		115
-		116	l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;
115		117
116	/* calculate madt entries */	118	/* calculate madt entries */
117	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {	119	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {
118	madt_entries_index_cnt++;	120	madt_entries_index_cnt++;
119	}	121	}
120	printf("MADT: Found %d entries\n", madt_entries_index_cnt);	122	printf("MADT: Found %d entries\n", madt_entries_index_cnt);
121		123
122	/* create madt apic entries index array */	124	/* create madt apic entries index array */
123	madt_entries_index = (struct madt_apic_header * ) malloc(madt_entries_index_cnt sizeof(struct madt_apic_header * *));	125	madt_entries_index = (struct madt_apic_header * ) malloc(madt_entries_index_cnt sizeof(struct madt_apic_header * *));
124		126
125	__u32 index = 0;	127	__u32 index = 0;
126		128
127	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {	129	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {
128	madt_entries_index[index++] = h;	130	madt_entries_index[index++] = h;
129	}	131	}
130		132
131		133
132	/* Bublesort madt index. Quicksort later. */	134	/* Bublesort madt index. Quicksort later. */
133	bool done = false;	135	bool done = false;
134		136
135	while (!done) {	137	while (!done) {
136	done = true;	138	done = true;
137	for (index = 0; index < madt_entries_index_cnt - 1; index++) {	139	for (index = 0; index < madt_entries_index_cnt - 1; index++) {
138	if (madt_entries_index[index]->type > madt_entries_index[index + 1]->type) {	140	if (madt_entries_index[index]->type > madt_entries_index[index + 1]->type) {
139	h = madt_entries_index[index];	141	h = madt_entries_index[index];
140	madt_entries_index[index] = madt_entries_index[index + 1];	142	madt_entries_index[index] = madt_entries_index[index + 1];
141	madt_entries_index[index + 1] = h;	143	madt_entries_index[index + 1] = h;
142	done = false;	144	done = false;
143	}	145	}
144	}	146	}
145		147
146	}	148	}
147		149
148		150
149	/* Parse MADT entries */	151	/* Parse MADT entries */
150	for (index = 0; index < madt_entries_index_cnt - 1; index++) {	152	for (index = 0; index < madt_entries_index_cnt - 1; index++) {
151	h = madt_entries_index[index];	153	h = madt_entries_index[index];
152	switch (h->type) {	154	switch (h->type) {
153	case MADT_L_APIC:	155	case MADT_L_APIC:
154	madt_l_apic_entry((struct madt_l_apic *) h, index);	156	madt_l_apic_entry((struct madt_l_apic *) h, index);
155	break;	157	break;
156	case MADT_IO_APIC:	158	case MADT_IO_APIC:
157	madt_io_apic_entry((struct madt_io_apic *) h, index);	159	madt_io_apic_entry((struct madt_io_apic *) h, index);
158	break;	160	break;
159	case MADT_INTR_SRC_OVRD:	161	case MADT_INTR_SRC_OVRD:
160	case MADT_NMI_SRC:	162	case MADT_NMI_SRC:
161	case MADT_L_APIC_NMI:	163	case MADT_L_APIC_NMI:
162	case MADT_L_APIC_ADDR_OVRD:	164	case MADT_L_APIC_ADDR_OVRD:
163	case MADT_IO_SAPIC:	165	case MADT_IO_SAPIC:
164	case MADT_L_SAPIC:	166	case MADT_L_SAPIC:
165	case MADT_PLATFORM_INTR_SRC:	167	case MADT_PLATFORM_INTR_SRC:
166	printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type);	168	printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type);
167	break;	169	break;
168		170
169	default:	171	default:
170	if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {	172	if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {
171	printf("MADT: skipping reserved entry (type=%d)\n", h->type);	173	printf("MADT: skipping reserved entry (type=%d)\n", h->type);
172	}	174	}
173	if (h->type >= MADT_RESERVED_OEM_BEGIN) {	175	if (h->type >= MADT_RESERVED_OEM_BEGIN) {
174	printf("MADT: skipping OEM entry (type=%d)\n", h->type);	176	printf("MADT: skipping OEM entry (type=%d)\n", h->type);
175	}	177	}
176	break;	178	break;
177	}	179	}
178		180
179		181
180	}	182	}
181		183
182		184
183	if (madt_l_apic_entry_cnt)	185	if (madt_l_apic_entry_cnt)
184	config.cpu_count = madt_l_apic_entry_cnt;	186	config.cpu_count = madt_l_apic_entry_cnt;
185	}	187	}
186		188
187		189
188	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)	190	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)
189	{	191	{
190	if (!madt_l_apic_entry_cnt++) {	192	if (!madt_l_apic_entry_cnt++) {
191	madt_l_apic_entry_index = index;	193	madt_l_apic_entry_index = index;
192	}	194	}
193		195
194	if (!(la->flags & 0x1)) {	196	if (!(la->flags & 0x1)) {
195	/* Processor is unusable, skip it. */	197	/* Processor is unusable, skip it. */
196	return;	198	return;
197	}	199	}
198		200
199	apic_id_mask \|= 1<<la->apic_id;	201	apic_id_mask \|= 1<<la->apic_id;
200	}	202	}
201		203
202	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)	204	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)
203	{	205	{
204	if (!madt_io_apic_entry_cnt++) {	206	if (!madt_io_apic_entry_cnt++) {
205	/* remember index of the first io apic entry */	207	/* remember index of the first io apic entry */
206	madt_io_apic_entry_index = index;	208	madt_io_apic_entry_index = index;
207	/* ????!!!! */	-
208	io_apic = (__u32 *) (__native) ioa->io_apic_address;	209	io_apic = (__u32 *) (__native) ioa->io_apic_address;
209	} else {	210	} else {
210	/* currently not supported */	211	/* currently not supported */
211	return;	212	return;
212	}	213	}
213	}	214	}
214		215
215		216
216	#endif /* __SMP__ */	217	#endif /* __SMP__ */
217		218

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(root)/trunk/kernel/genarch/src/acpi/madt.c @ 2071 – Rev 310 → 311