WebSVN – HelenOS-historic – Diff – /kernel/trunk/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.
 */
 
 /** @addtogroup genarch   
 * @{
 */
/**
 * @file    madt.c
 * @brief   Multiple APIC Description Table (MADT) parsing.
 */
 
#include <arch/types.h>
#include <typedefs.h>
#include <genarch/acpi/acpi.h>
#include <genarch/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/slab.h>
#include <memstr.h>
#include <sort.h>
 
struct acpi_madt *acpi_madt = NULL;
 
#ifdef CONFIG_SMP
 
/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */
int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
 
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);
static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index);
static int madt_cmp(void * a, void * b);
 
struct madt_l_apic *madt_l_apic_entries = NULL;
struct madt_io_apic *madt_io_apic_entries = NULL;
 
index_t madt_l_apic_entry_index = 0;
index_t madt_io_apic_entry_index = 0;
count_t madt_l_apic_entry_cnt = 0;
count_t madt_io_apic_entry_cnt = 0;
count_t cpu_count = 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);
static int madt_irq_to_pin(int irq);
 
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,
    .irq_to_pin = madt_irq_to_pin
};
 
count_t madt_cpu_count(void)
{
    return madt_l_apic_entry_cnt;
}
 
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;
 
}
 
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();
}
 
__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;
}
 
int madt_irq_to_pin(int irq)
{
    ASSERT(irq < sizeof(isa_irq_map)/sizeof(int));
        return isa_irq_map[irq];
}
 
int madt_cmp(void * a, void * b)
{
    return
        (((struct madt_apic_header *) a)->type > ((struct madt_apic_header *) b)->type) ?
        1 :
        ((((struct madt_apic_header *) a)->type < ((struct madt_apic_header *) b)->type) ? -1 : 0);
}
   
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++;
    }
 
    /* create madt apic entries index array */
    madt_entries_index = (struct madt_apic_header * *) malloc(madt_entries_index_cnt * sizeof(struct madt_apic_header * *), FRAME_ATOMIC);
    if (!madt_entries_index)
        panic("Memory allocation error.");
 
    __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;
    }
 
    /* Quicksort MADT index structure */
    qsort(madt_entries_index, madt_entries_index_cnt, sizeof(__address), &madt_cmp);
 
    /* 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:
                madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index);
                break;
            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=%zd)\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=%zd)\n", h->type);
                }
                if (h->type >= MADT_RESERVED_OEM_BEGIN) {
                    printf("MADT: skipping OEM entry (type=%zd)\n", h->type);
                }
                break;
        }
   
   
    }
   
 
    if (cpu_count)
        config.cpu_count = cpu_count;
}
 
 
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;
    }
   
    cpu_count++;   
    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;
    }
}
 
void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index)
{
    ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));
    printf("MADT: ignoring %s entry: bus=%zd, source=%zd, global_int=%zd, flags=%#hX\n",
        entry[override->header.type], override->bus, override->source,
        override->global_int, override->flags);
}
 
#endif /* CONFIG_SMP */
 
 /** @}
 */
 
 

Rev 1266	Rev 1702
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	/** @addtogroup genarch
-		30	* @{
-		31	*/
29	/**	32	/**
30	* @file madt.c	33	* @file madt.c
31	* @brief Multiple APIC Description Table (MADT) parsing.	34	* @brief Multiple APIC Description Table (MADT) parsing.
32	*/	35	*/
33		36
34	#include <arch/types.h>	37	#include <arch/types.h>
35	#include <typedefs.h>	38	#include <typedefs.h>
36	#include <genarch/acpi/acpi.h>	39	#include <genarch/acpi/acpi.h>
37	#include <genarch/acpi/madt.h>	40	#include <genarch/acpi/madt.h>
38	#include <arch/smp/apic.h>	41	#include <arch/smp/apic.h>
39	#include <arch/smp/smp.h>	42	#include <arch/smp/smp.h>
40	#include <panic.h>	43	#include <panic.h>
41	#include <debug.h>	44	#include <debug.h>
42	#include <config.h>	45	#include <config.h>
43	#include <print.h>	46	#include <print.h>
44	#include <mm/slab.h>	47	#include <mm/slab.h>
45	#include <memstr.h>	48	#include <memstr.h>
46	#include <sort.h>	49	#include <sort.h>
47		50
48	struct acpi_madt *acpi_madt = NULL;	51	struct acpi_madt *acpi_madt = NULL;
49		52
50	#ifdef CONFIG_SMP	53	#ifdef CONFIG_SMP
51		54
52	/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */	55	/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */
53	int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };	56	int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
54		57
55	static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);	58	static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);
56	static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);	59	static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);
57	static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index);	60	static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index);
58	static int madt_cmp(void * a, void * b);	61	static int madt_cmp(void * a, void * b);
59		62
60	struct madt_l_apic *madt_l_apic_entries = NULL;	63	struct madt_l_apic *madt_l_apic_entries = NULL;
61	struct madt_io_apic *madt_io_apic_entries = NULL;	64	struct madt_io_apic *madt_io_apic_entries = NULL;
62		65
63	index_t madt_l_apic_entry_index = 0;	66	index_t madt_l_apic_entry_index = 0;
64	index_t madt_io_apic_entry_index = 0;	67	index_t madt_io_apic_entry_index = 0;
65	count_t madt_l_apic_entry_cnt = 0;	68	count_t madt_l_apic_entry_cnt = 0;
66	count_t madt_io_apic_entry_cnt = 0;	69	count_t madt_io_apic_entry_cnt = 0;
67	count_t cpu_count = 0;	70	count_t cpu_count = 0;
68		71
69	struct madt_apic_header * * madt_entries_index = NULL;	72	struct madt_apic_header * * madt_entries_index = NULL;
70	int madt_entries_index_cnt = 0;	73	int madt_entries_index_cnt = 0;
71		74
72	char *entry[] = {	75	char *entry[] = {
73	"L_APIC",	76	"L_APIC",
74	"IO_APIC",	77	"IO_APIC",
75	"INTR_SRC_OVRD",	78	"INTR_SRC_OVRD",
76	"NMI_SRC",	79	"NMI_SRC",
77	"L_APIC_NMI",	80	"L_APIC_NMI",
78	"L_APIC_ADDR_OVRD",	81	"L_APIC_ADDR_OVRD",
79	"IO_SAPIC",	82	"IO_SAPIC",
80	"L_SAPIC",	83	"L_SAPIC",
81	"PLATFORM_INTR_SRC"	84	"PLATFORM_INTR_SRC"
82	};	85	};
83		86
84	/*	87	/*
85	* ACPI MADT Implementation of SMP configuration interface.	88	* ACPI MADT Implementation of SMP configuration interface.
86	*/	89	*/
87	static count_t madt_cpu_count(void);	90	static count_t madt_cpu_count(void);
88	static bool madt_cpu_enabled(index_t i);	91	static bool madt_cpu_enabled(index_t i);
89	static bool madt_cpu_bootstrap(index_t i);	92	static bool madt_cpu_bootstrap(index_t i);
90	static __u8 madt_cpu_apic_id(index_t i);	93	static __u8 madt_cpu_apic_id(index_t i);
91	static int madt_irq_to_pin(int irq);	94	static int madt_irq_to_pin(int irq);
92		95
93	struct smp_config_operations madt_config_operations = {	96	struct smp_config_operations madt_config_operations = {
94	.cpu_count = madt_cpu_count,	97	.cpu_count = madt_cpu_count,
95	.cpu_enabled = madt_cpu_enabled,	98	.cpu_enabled = madt_cpu_enabled,
96	.cpu_bootstrap = madt_cpu_bootstrap,	99	.cpu_bootstrap = madt_cpu_bootstrap,
97	.cpu_apic_id = madt_cpu_apic_id,	100	.cpu_apic_id = madt_cpu_apic_id,
98	.irq_to_pin = madt_irq_to_pin	101	.irq_to_pin = madt_irq_to_pin
99	};	102	};
100		103
101	count_t madt_cpu_count(void)	104	count_t madt_cpu_count(void)
102	{	105	{
103	return madt_l_apic_entry_cnt;	106	return madt_l_apic_entry_cnt;
104	}	107	}
105		108
106	bool madt_cpu_enabled(index_t i)	109	bool madt_cpu_enabled(index_t i)
107	{	110	{
108	ASSERT(i < madt_l_apic_entry_cnt);	111	ASSERT(i < madt_l_apic_entry_cnt);
109	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;	112	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;
110		113
111	}	114	}
112		115
113	bool madt_cpu_bootstrap(index_t i)	116	bool madt_cpu_bootstrap(index_t i)
114	{	117	{
115	ASSERT(i < madt_l_apic_entry_cnt);	118	ASSERT(i < madt_l_apic_entry_cnt);
116	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();	119	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();
117	}	120	}
118		121
119	__u8 madt_cpu_apic_id(index_t i)	122	__u8 madt_cpu_apic_id(index_t i)
120	{	123	{
121	ASSERT(i < madt_l_apic_entry_cnt);	124	ASSERT(i < madt_l_apic_entry_cnt);
122	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;	125	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;
123	}	126	}
124		127
125	int madt_irq_to_pin(int irq)	128	int madt_irq_to_pin(int irq)
126	{	129	{
127	ASSERT(irq < sizeof(isa_irq_map)/sizeof(int));	130	ASSERT(irq < sizeof(isa_irq_map)/sizeof(int));
128	return isa_irq_map[irq];	131	return isa_irq_map[irq];
129	}	132	}
130		133
131	int madt_cmp(void * a, void * b)	134	int madt_cmp(void * a, void * b)
132	{	135	{
133	return	136	return
134	(((struct madt_apic_header ) a)->type > ((struct madt_apic_header ) b)->type) ?	137	(((struct madt_apic_header ) a)->type > ((struct madt_apic_header ) b)->type) ?
135	1 :	138	1 :
136	((((struct madt_apic_header ) a)->type < ((struct madt_apic_header ) b)->type) ? -1 : 0);	139	((((struct madt_apic_header ) a)->type < ((struct madt_apic_header ) b)->type) ? -1 : 0);
137	}	140	}
138		141
139	void acpi_madt_parse(void)	142	void acpi_madt_parse(void)
140	{	143	{
141	struct madt_apic_header end = (struct madt_apic_header ) (((__u8 *) acpi_madt) + acpi_madt->header.length);	144	struct madt_apic_header end = (struct madt_apic_header ) (((__u8 *) acpi_madt) + acpi_madt->header.length);
142	struct madt_apic_header *h;	145	struct madt_apic_header *h;
143		146
144	l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;	147	l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;
145		148
146	/* calculate madt entries */	149	/* calculate madt entries */
147	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {	150	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {
148	madt_entries_index_cnt++;	151	madt_entries_index_cnt++;
149	}	152	}
150		153
151	/* create madt apic entries index array */	154	/* create madt apic entries index array */
152	madt_entries_index = (struct madt_apic_header * ) malloc(madt_entries_index_cnt sizeof(struct madt_apic_header * *), FRAME_ATOMIC);	155	madt_entries_index = (struct madt_apic_header * ) malloc(madt_entries_index_cnt sizeof(struct madt_apic_header * *), FRAME_ATOMIC);
153	if (!madt_entries_index)	156	if (!madt_entries_index)
154	panic("Memory allocation error.");	157	panic("Memory allocation error.");
155		158
156	__u32 index = 0;	159	__u32 index = 0;
157		160
158	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {	161	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {
159	madt_entries_index[index++] = h;	162	madt_entries_index[index++] = h;
160	}	163	}
161		164
162	/* Quicksort MADT index structure */	165	/* Quicksort MADT index structure */
163	qsort(madt_entries_index, madt_entries_index_cnt, sizeof(__address), &madt_cmp);	166	qsort(madt_entries_index, madt_entries_index_cnt, sizeof(__address), &madt_cmp);
164		167
165	/* Parse MADT entries */	168	/* Parse MADT entries */
166	for (index = 0; index < madt_entries_index_cnt - 1; index++) {	169	for (index = 0; index < madt_entries_index_cnt - 1; index++) {
167	h = madt_entries_index[index];	170	h = madt_entries_index[index];
168	switch (h->type) {	171	switch (h->type) {
169	case MADT_L_APIC:	172	case MADT_L_APIC:
170	madt_l_apic_entry((struct madt_l_apic *) h, index);	173	madt_l_apic_entry((struct madt_l_apic *) h, index);
171	break;	174	break;
172	case MADT_IO_APIC:	175	case MADT_IO_APIC:
173	madt_io_apic_entry((struct madt_io_apic *) h, index);	176	madt_io_apic_entry((struct madt_io_apic *) h, index);
174	break;	177	break;
175	case MADT_INTR_SRC_OVRD:	178	case MADT_INTR_SRC_OVRD:
176	madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index);	179	madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index);
177	break;	180	break;
178	case MADT_NMI_SRC:	181	case MADT_NMI_SRC:
179	case MADT_L_APIC_NMI:	182	case MADT_L_APIC_NMI:
180	case MADT_L_APIC_ADDR_OVRD:	183	case MADT_L_APIC_ADDR_OVRD:
181	case MADT_IO_SAPIC:	184	case MADT_IO_SAPIC:
182	case MADT_L_SAPIC:	185	case MADT_L_SAPIC:
183	case MADT_PLATFORM_INTR_SRC:	186	case MADT_PLATFORM_INTR_SRC:
184	printf("MADT: skipping %s entry (type=%zd)\n", entry[h->type], h->type);	187	printf("MADT: skipping %s entry (type=%zd)\n", entry[h->type], h->type);
185	break;	188	break;
186		189
187	default:	190	default:
188	if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {	191	if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {
189	printf("MADT: skipping reserved entry (type=%zd)\n", h->type);	192	printf("MADT: skipping reserved entry (type=%zd)\n", h->type);
190	}	193	}
191	if (h->type >= MADT_RESERVED_OEM_BEGIN) {	194	if (h->type >= MADT_RESERVED_OEM_BEGIN) {
192	printf("MADT: skipping OEM entry (type=%zd)\n", h->type);	195	printf("MADT: skipping OEM entry (type=%zd)\n", h->type);
193	}	196	}
194	break;	197	break;
195	}	198	}
196		199
197		200
198	}	201	}
199		202
200		203
201	if (cpu_count)	204	if (cpu_count)
202	config.cpu_count = cpu_count;	205	config.cpu_count = cpu_count;
203	}	206	}
204		207
205		208
206	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)	209	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)
207	{	210	{
208	if (!madt_l_apic_entry_cnt++) {	211	if (!madt_l_apic_entry_cnt++) {
209	madt_l_apic_entry_index = index;	212	madt_l_apic_entry_index = index;
210	}	213	}
211		214
212	if (!(la->flags & 0x1)) {	215	if (!(la->flags & 0x1)) {
213	/* Processor is unusable, skip it. */	216	/* Processor is unusable, skip it. */
214	return;	217	return;
215	}	218	}
216		219
217	cpu_count++;	220	cpu_count++;
218	apic_id_mask \|= 1<<la->apic_id;	221	apic_id_mask \|= 1<<la->apic_id;
219	}	222	}
220		223
221	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)	224	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)
222	{	225	{
223	if (!madt_io_apic_entry_cnt++) {	226	if (!madt_io_apic_entry_cnt++) {
224	/* remember index of the first io apic entry */	227	/* remember index of the first io apic entry */
225	madt_io_apic_entry_index = index;	228	madt_io_apic_entry_index = index;
226	io_apic = (__u32 *) (__native) ioa->io_apic_address;	229	io_apic = (__u32 *) (__native) ioa->io_apic_address;
227	} else {	230	} else {
228	/* currently not supported */	231	/* currently not supported */
229	return;	232	return;
230	}	233	}
231	}	234	}
232		235
233	void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index)	236	void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index)
234	{	237	{
235	ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));	238	ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));
236	printf("MADT: ignoring %s entry: bus=%zd, source=%zd, global_int=%zd, flags=%#hX\n",	239	printf("MADT: ignoring %s entry: bus=%zd, source=%zd, global_int=%zd, flags=%#hX\n",
237	entry[override->header.type], override->bus, override->source,	240	entry[override->header.type], override->bus, override->source,
238	override->global_int, override->flags);	241	override->global_int, override->flags);
239	}	242	}
240		243
241	#endif /* CONFIG_SMP */	244	#endif /* CONFIG_SMP */
-		245
-		246	/** @}
-		247	*/
-		248
242		249

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/genarch/src/acpi/madt.c – Rev 1266 → 1702