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



#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, uint32_t index);
static void madt_io_apic_entry(struct madt_io_apic *ioa, uint32_t index);
static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, uint32_t 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;
 

 * 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 uint8_t 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,

{
    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();
}
 
uint8_t 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;
}
 

        ((((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 *) (((uint8_t *) acpi_madt) + acpi_madt->header.length);
    struct madt_apic_header *h;
   
        l_apic = (uint32_t *) (unative_t) acpi_madt->l_apic_address;
 
    /* calculate madt entries */
    for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((uint8_t *) 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.");
 
    uint32_t index = 0;
 
    for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((uint8_t *) h) + h->length)) {
        madt_entries_index[index++] = h;
    }
 
    /* Quicksort MADT index structure */
    qsort(madt_entries_index, madt_entries_index_cnt, sizeof(uintptr_t), &madt_cmp);
 
    /* Parse MADT entries */   
    for (index = 0; index < madt_entries_index_cnt - 1; index++) {
        h = madt_entries_index[index];
        switch (h->type) {

    if (cpu_count)
        config.cpu_count = cpu_count;
}
 
 
void madt_l_apic_entry(struct madt_l_apic *la, uint32_t index)
{
    if (!madt_l_apic_entry_cnt++) {
        madt_l_apic_entry_index = index;
    }
       

   
    cpu_count++;   
    apic_id_mask |= 1<<la->apic_id;
}
 
void madt_io_apic_entry(struct madt_io_apic *ioa, uint32_t index)
{
    if (!madt_io_apic_entry_cnt++) {
        /* remember index of the first io apic entry */
        madt_io_apic_entry_index = index;
        io_apic = (uint32_t *) (unative_t) ioa->io_apic_address;
    } else {
        /* currently not supported */
        return;
    }
}
 
void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, uint32_t 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);

Subversion Repositories HelenOS

(root)/trunk/kernel/genarch/src/acpi/madt.c @ 2493 – Rev 1735 → 1780

Rev 1735		Rev 1780
Line 53...		Line 53...
53	#ifdef CONFIG_SMP	53	#ifdef CONFIG_SMP
54		54
55	/** 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. */
56	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 };
57		57
58	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, uint32_t index);
59	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, uint32_t index);
60	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, uint32_t index);
61	static int madt_cmp(void * a, void * b);	61	static int madt_cmp(void * a, void * b);
62		62
63	struct madt_l_apic *madt_l_apic_entries = NULL;	63	struct madt_l_apic *madt_l_apic_entries = NULL;
64	struct madt_io_apic *madt_io_apic_entries = NULL;	64	struct madt_io_apic *madt_io_apic_entries = NULL;
65		65
Line 88...		Line 88...
88	* ACPI MADT Implementation of SMP configuration interface.	88	* ACPI MADT Implementation of SMP configuration interface.
89	*/	89	*/
90	static count_t madt_cpu_count(void);	90	static count_t madt_cpu_count(void);
91	static bool madt_cpu_enabled(index_t i);	91	static bool madt_cpu_enabled(index_t i);
92	static bool madt_cpu_bootstrap(index_t i);	92	static bool madt_cpu_bootstrap(index_t i);
93	static __u8 madt_cpu_apic_id(index_t i);	93	static uint8_t madt_cpu_apic_id(index_t i);
94	static int madt_irq_to_pin(int irq);	94	static int madt_irq_to_pin(int irq);
95		95
96	struct smp_config_operations madt_config_operations = {	96	struct smp_config_operations madt_config_operations = {
97	.cpu_count = madt_cpu_count,	97	.cpu_count = madt_cpu_count,
98	.cpu_enabled = madt_cpu_enabled,	98	.cpu_enabled = madt_cpu_enabled,
Line 117...		Line 117...
117	{	117	{
118	ASSERT(i < madt_l_apic_entry_cnt);	118	ASSERT(i < madt_l_apic_entry_cnt);
119	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();
120	}	120	}
121		121
122	__u8 madt_cpu_apic_id(index_t i)	122	uint8_t madt_cpu_apic_id(index_t i)
123	{	123	{
124	ASSERT(i < madt_l_apic_entry_cnt);	124	ASSERT(i < madt_l_apic_entry_cnt);
125	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;
126	}	126	}
127		127
Line 139...		Line 139...
139	((((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);
140	}	140	}
141		141
142	void acpi_madt_parse(void)	142	void acpi_madt_parse(void)
143	{	143	{
144	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 ) (((uint8_t *) acpi_madt) + acpi_madt->header.length);
145	struct madt_apic_header *h;	145	struct madt_apic_header *h;
146		146
147	l_apic = (__u32 *) (__native) acpi_madt->l_apic_address;	147	l_apic = (uint32_t *) (unative_t) acpi_madt->l_apic_address;
148		148
149	/* calculate madt entries */	149	/* calculate madt entries */
150	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 ) (((uint8_t ) h) + h->length)) {
151	madt_entries_index_cnt++;	151	madt_entries_index_cnt++;
152	}	152	}
153		153
154	/* create madt apic entries index array */	154	/* create madt apic entries index array */
155	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);
156	if (!madt_entries_index)	156	if (!madt_entries_index)
157	panic("Memory allocation error.");	157	panic("Memory allocation error.");
158		158
159	__u32 index = 0;	159	uint32_t index = 0;
160		160
161	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 ) (((uint8_t ) h) + h->length)) {
162	madt_entries_index[index++] = h;	162	madt_entries_index[index++] = h;
163	}	163	}
164		164
165	/* Quicksort MADT index structure */	165	/* Quicksort MADT index structure */
166	qsort(madt_entries_index, madt_entries_index_cnt, sizeof(__address), &madt_cmp);	166	qsort(madt_entries_index, madt_entries_index_cnt, sizeof(uintptr_t), &madt_cmp);
167		167
168	/* Parse MADT entries */	168	/* Parse MADT entries */
169	for (index = 0; index < madt_entries_index_cnt - 1; index++) {	169	for (index = 0; index < madt_entries_index_cnt - 1; index++) {
170	h = madt_entries_index[index];	170	h = madt_entries_index[index];
171	switch (h->type) {	171	switch (h->type) {
Line 204...		Line 204...
204	if (cpu_count)	204	if (cpu_count)
205	config.cpu_count = cpu_count;	205	config.cpu_count = cpu_count;
206	}	206	}
207		207
208		208
209	void madt_l_apic_entry(struct madt_l_apic *la, __u32 index)	209	void madt_l_apic_entry(struct madt_l_apic *la, uint32_t index)
210	{	210	{
211	if (!madt_l_apic_entry_cnt++) {	211	if (!madt_l_apic_entry_cnt++) {
212	madt_l_apic_entry_index = index;	212	madt_l_apic_entry_index = index;
213	}	213	}
214		214
Line 219...		Line 219...
219		219
220	cpu_count++;	220	cpu_count++;
221	apic_id_mask \|= 1<<la->apic_id;	221	apic_id_mask \|= 1<<la->apic_id;
222	}	222	}
223		223
224	void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index)	224	void madt_io_apic_entry(struct madt_io_apic *ioa, uint32_t index)
225	{	225	{
226	if (!madt_io_apic_entry_cnt++) {	226	if (!madt_io_apic_entry_cnt++) {
227	/* remember index of the first io apic entry */	227	/* remember index of the first io apic entry */
228	madt_io_apic_entry_index = index;	228	madt_io_apic_entry_index = index;
229	io_apic = (__u32 *) (__native) ioa->io_apic_address;	229	io_apic = (uint32_t *) (unative_t) ioa->io_apic_address;
230	} else {	230	} else {
231	/* currently not supported */	231	/* currently not supported */
232	return;	232	return;
233	}	233	}
234	}	234	}
235		235
236	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, uint32_t index)
237	{	237	{
238	ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));	238	ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));
239	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",
240	entry[override->header.type], override->bus, override->source,	240	entry[override->header.type], override->bus, override->source,
241	override->global_int, override->flags);	241	override->global_int, override->flags);