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.
 */
 
/**
 * @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 1196	Rev 1266
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	/**
-		30	* @file madt.c
-		31	* @brief Multiple APIC Description Table (MADT) parsing.
-		32	*/
-		33
29	#include <arch/types.h>	34	#include <arch/types.h>
30	#include <typedefs.h>	35	#include <typedefs.h>
31	#include <genarch/acpi/acpi.h>	36	#include <genarch/acpi/acpi.h>
32	#include <genarch/acpi/madt.h>	37	#include <genarch/acpi/madt.h>
33	#include <arch/smp/apic.h>	38	#include <arch/smp/apic.h>
34	#include <arch/smp/smp.h>	39	#include <arch/smp/smp.h>
35	#include <panic.h>	40	#include <panic.h>
36	#include <debug.h>	41	#include <debug.h>
37	#include <config.h>	42	#include <config.h>
38	#include <print.h>	43	#include <print.h>
39	#include <mm/slab.h>	44	#include <mm/slab.h>
40	#include <memstr.h>	45	#include <memstr.h>
41	#include <sort.h>	46	#include <sort.h>
42		47
43	struct acpi_madt *acpi_madt = NULL;	48	struct acpi_madt *acpi_madt = NULL;
44		49
45	#ifdef CONFIG_SMP	50	#ifdef CONFIG_SMP
46		51
47	/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */	52	/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */
48	int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };	53	int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
49		54
50	static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);	55	static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);
51	static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);	56	static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);
52	static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index);	57	static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index);
53	static int madt_cmp(void * a, void * b);	58	static int madt_cmp(void * a, void * b);
54		59
55	struct madt_l_apic *madt_l_apic_entries = NULL;	60	struct madt_l_apic *madt_l_apic_entries = NULL;
56	struct madt_io_apic *madt_io_apic_entries = NULL;	61	struct madt_io_apic *madt_io_apic_entries = NULL;
57		62
58	index_t madt_l_apic_entry_index = 0;	63	index_t madt_l_apic_entry_index = 0;
59	index_t madt_io_apic_entry_index = 0;	64	index_t madt_io_apic_entry_index = 0;
60	count_t madt_l_apic_entry_cnt = 0;	65	count_t madt_l_apic_entry_cnt = 0;
61	count_t madt_io_apic_entry_cnt = 0;	66	count_t madt_io_apic_entry_cnt = 0;
62	count_t cpu_count = 0;	67	count_t cpu_count = 0;
63		68
64	struct madt_apic_header * * madt_entries_index = NULL;	69	struct madt_apic_header * * madt_entries_index = NULL;
65	int madt_entries_index_cnt = 0;	70	int madt_entries_index_cnt = 0;
66		71
67	char *entry[] = {	72	char *entry[] = {
68	"L_APIC",	73	"L_APIC",
69	"IO_APIC",	74	"IO_APIC",
70	"INTR_SRC_OVRD",	75	"INTR_SRC_OVRD",
71	"NMI_SRC",	76	"NMI_SRC",
72	"L_APIC_NMI",	77	"L_APIC_NMI",
73	"L_APIC_ADDR_OVRD",	78	"L_APIC_ADDR_OVRD",
74	"IO_SAPIC",	79	"IO_SAPIC",
75	"L_SAPIC",	80	"L_SAPIC",
76	"PLATFORM_INTR_SRC"	81	"PLATFORM_INTR_SRC"
77	};	82	};
78		83
79	/*	84	/*
80	* ACPI MADT Implementation of SMP configuration interface.	85	* ACPI MADT Implementation of SMP configuration interface.
81	*/	86	*/
82	static count_t madt_cpu_count(void);	87	static count_t madt_cpu_count(void);
83	static bool madt_cpu_enabled(index_t i);	88	static bool madt_cpu_enabled(index_t i);
84	static bool madt_cpu_bootstrap(index_t i);	89	static bool madt_cpu_bootstrap(index_t i);
85	static __u8 madt_cpu_apic_id(index_t i);	90	static __u8 madt_cpu_apic_id(index_t i);
86	static int madt_irq_to_pin(int irq);	91	static int madt_irq_to_pin(int irq);
87		92
88	struct smp_config_operations madt_config_operations = {	93	struct smp_config_operations madt_config_operations = {
89	.cpu_count = madt_cpu_count,	94	.cpu_count = madt_cpu_count,
90	.cpu_enabled = madt_cpu_enabled,	95	.cpu_enabled = madt_cpu_enabled,
91	.cpu_bootstrap = madt_cpu_bootstrap,	96	.cpu_bootstrap = madt_cpu_bootstrap,
92	.cpu_apic_id = madt_cpu_apic_id,	97	.cpu_apic_id = madt_cpu_apic_id,
93	.irq_to_pin = madt_irq_to_pin	98	.irq_to_pin = madt_irq_to_pin
94	};	99	};
95		100
96	count_t madt_cpu_count(void)	101	count_t madt_cpu_count(void)
97	{	102	{
98	return madt_l_apic_entry_cnt;	103	return madt_l_apic_entry_cnt;
99	}	104	}
100		105
101	bool madt_cpu_enabled(index_t i)	106	bool madt_cpu_enabled(index_t i)
102	{	107	{
103	ASSERT(i < madt_l_apic_entry_cnt);	108	ASSERT(i < madt_l_apic_entry_cnt);
104	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;	109	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;
105		110
106	}	111	}
107		112
108	bool madt_cpu_bootstrap(index_t i)	113	bool madt_cpu_bootstrap(index_t i)
109	{	114	{
110	ASSERT(i < madt_l_apic_entry_cnt);	115	ASSERT(i < madt_l_apic_entry_cnt);
111	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();	116	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();
112	}	117	}
113		118
114	__u8 madt_cpu_apic_id(index_t i)	119	__u8 madt_cpu_apic_id(index_t i)
115	{	120	{
116	ASSERT(i < madt_l_apic_entry_cnt);	121	ASSERT(i < madt_l_apic_entry_cnt);
117	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;	122	return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;
118	}	123	}
119		124
120	int madt_irq_to_pin(int irq)	125	int madt_irq_to_pin(int irq)
121	{	126	{
122	ASSERT(irq < sizeof(isa_irq_map)/sizeof(int));	127	ASSERT(irq < sizeof(isa_irq_map)/sizeof(int));
123	return isa_irq_map[irq];	128	return isa_irq_map[irq];
124	}	129	}
125		130
126	int madt_cmp(void * a, void * b)	131	int madt_cmp(void * a, void * b)
127	{	132	{
128	return	133	return
129	(((struct madt_apic_header ) a)->type > ((struct madt_apic_header ) b)->type) ?	134	(((struct madt_apic_header ) a)->type > ((struct madt_apic_header ) b)->type) ?
130	1 :	135	1 :
131	((((struct madt_apic_header ) a)->type < ((struct madt_apic_header ) b)->type) ? -1 : 0);	136	((((struct madt_apic_header ) a)->type < ((struct madt_apic_header ) b)->type) ? -1 : 0);
132	}	137	}
133		138
134	void acpi_madt_parse(void)	139	void acpi_madt_parse(void)
135	{	140	{
136	struct madt_apic_header end = (struct madt_apic_header ) (((__u8 *) acpi_madt) + acpi_madt->header.length);	141	struct madt_apic_header end = (struct madt_apic_header ) (((__u8 *) acpi_madt) + acpi_madt->header.length);
137	struct madt_apic_header *h;	142	struct madt_apic_header *h;
138		143
139	l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;	144	l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;
140		145
141	/* calculate madt entries */	146	/* calculate madt entries */
142	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {	147	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {
143	madt_entries_index_cnt++;	148	madt_entries_index_cnt++;
144	}	149	}
145		150
146	/* create madt apic entries index array */	151	/* create madt apic entries index array */
147	madt_entries_index = (struct madt_apic_header * ) malloc(madt_entries_index_cnt sizeof(struct madt_apic_header * *), FRAME_ATOMIC);	152	madt_entries_index = (struct madt_apic_header * ) malloc(madt_entries_index_cnt sizeof(struct madt_apic_header * *), FRAME_ATOMIC);
148	if (!madt_entries_index)	153	if (!madt_entries_index)
149	panic("Memory allocation error.");	154	panic("Memory allocation error.");
150		155
151	__u32 index = 0;	156	__u32 index = 0;
152		157
153	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {	158	for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header ) (((__u8 ) h) + h->length)) {
154	madt_entries_index[index++] = h;	159	madt_entries_index[index++] = h;
155	}	160	}
156		161
157	/* Quicksort MADT index structure */	162	/* Quicksort MADT index structure */
158	qsort(madt_entries_index, madt_entries_index_cnt, sizeof(__address), &madt_cmp);	163	qsort(madt_entries_index, madt_entries_index_cnt, sizeof(__address), &madt_cmp);
159		164
160	/* Parse MADT entries */	165	/* Parse MADT entries */
161	for (index = 0; index < madt_entries_index_cnt - 1; index++) {	166	for (index = 0; index < madt_entries_index_cnt - 1; index++) {
162	h = madt_entries_index[index];	167	h = madt_entries_index[index];
163	switch (h->type) {	168	switch (h->type) {
164	case MADT_L_APIC:	169	case MADT_L_APIC:
165	madt_l_apic_entry((struct madt_l_apic *) h, index);	170	madt_l_apic_entry((struct madt_l_apic *) h, index);
166	break;	171	break;
167	case MADT_IO_APIC:	172	case MADT_IO_APIC:
168	madt_io_apic_entry((struct madt_io_apic *) h, index);	173	madt_io_apic_entry((struct madt_io_apic *) h, index);
169	break;	174	break;
170	case MADT_INTR_SRC_OVRD:	175	case MADT_INTR_SRC_OVRD:
171	madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index);	176	madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index);
172	break;	177	break;
173	case MADT_NMI_SRC:	178	case MADT_NMI_SRC:
174	case MADT_L_APIC_NMI:	179	case MADT_L_APIC_NMI:
175	case MADT_L_APIC_ADDR_OVRD:	180	case MADT_L_APIC_ADDR_OVRD:
176	case MADT_IO_SAPIC:	181	case MADT_IO_SAPIC:
177	case MADT_L_SAPIC:	182	case MADT_L_SAPIC:
178	case MADT_PLATFORM_INTR_SRC:	183	case MADT_PLATFORM_INTR_SRC:
179	printf("MADT: skipping %s entry (type=%zd)\n", entry[h->type], h->type);	184	printf("MADT: skipping %s entry (type=%zd)\n", entry[h->type], h->type);
180	break;	185	break;
181		186
182	default:	187	default:
183	if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {	188	if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {
184	printf("MADT: skipping reserved entry (type=%zd)\n", h->type);	189	printf("MADT: skipping reserved entry (type=%zd)\n", h->type);
185	}	190	}
186	if (h->type >= MADT_RESERVED_OEM_BEGIN) {	191	if (h->type >= MADT_RESERVED_OEM_BEGIN) {
187	printf("MADT: skipping OEM entry (type=%zd)\n", h->type);	192	printf("MADT: skipping OEM entry (type=%zd)\n", h->type);
188	}	193	}
189	break;	194	break;
190	}	195	}
191		196
192		197
193	}	198	}
194		199
195		200
196	if (cpu_count)	201	if (cpu_count)
197	config.cpu_count = cpu_count;	202	config.cpu_count = cpu_count;
198	}	203	}
199		204
200		205
201	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)	206	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)
202	{	207	{
203	if (!madt_l_apic_entry_cnt++) {	208	if (!madt_l_apic_entry_cnt++) {
204	madt_l_apic_entry_index = index;	209	madt_l_apic_entry_index = index;
205	}	210	}
206		211
207	if (!(la->flags & 0x1)) {	212	if (!(la->flags & 0x1)) {
208	/* Processor is unusable, skip it. */	213	/* Processor is unusable, skip it. */
209	return;	214	return;
210	}	215	}
211		216
212	cpu_count++;	217	cpu_count++;
213	apic_id_mask \|= 1<<la->apic_id;	218	apic_id_mask \|= 1<<la->apic_id;
214	}	219	}
215		220
216	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)	221	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)
217	{	222	{
218	if (!madt_io_apic_entry_cnt++) {	223	if (!madt_io_apic_entry_cnt++) {
219	/* remember index of the first io apic entry */	224	/* remember index of the first io apic entry */
220	madt_io_apic_entry_index = index;	225	madt_io_apic_entry_index = index;
221	io_apic = (__u32 *) (__native) ioa->io_apic_address;	226	io_apic = (__u32 *) (__native) ioa->io_apic_address;
222	} else {	227	} else {
223	/* currently not supported */	228	/* currently not supported */
224	return;	229	return;
225	}	230	}
226	}	231	}
227		232
228	void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index)	233	void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index)
229	{	234	{
230	ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));	235	ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));
231	printf("MADT: ignoring %s entry: bus=%zd, source=%zd, global_int=%zd, flags=%#hX\n",	236	printf("MADT: ignoring %s entry: bus=%zd, source=%zd, global_int=%zd, flags=%#hX\n",
232	entry[override->header.type], override->bus, override->source,	237	entry[override->header.type], override->bus, override->source,
233	override->global_int, override->flags);	238	override->global_int, override->flags);
234	}	239	}
235		240
236	#endif /* CONFIG_SMP */	241	#endif /* CONFIG_SMP */
237		242

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/genarch/src/acpi/madt.c – Rev 1196 → 1266