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Line 42... Line 42...
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struct acpi_madt *acpi_madt = NULL;
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struct acpi_madt *acpi_madt = NULL;
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#ifdef CONFIG_SMP
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#ifdef CONFIG_SMP
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- 
 
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/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */
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int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);
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static void madt_l_apic_entry(struct madt_l_apic *la, __u32 index);
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static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);
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static void madt_io_apic_entry(struct madt_io_apic *ioa, __u32 index);
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static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index);
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static int madt_cmp(void * a, void * b);
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static int madt_cmp(void * a, void * b);
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struct madt_l_apic *madt_l_apic_entries = NULL;
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struct madt_l_apic *madt_l_apic_entries = NULL;
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struct madt_io_apic *madt_io_apic_entries = NULL;
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struct madt_io_apic *madt_io_apic_entries = NULL;
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 */
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 */
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static count_t madt_cpu_count(void);
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static count_t madt_cpu_count(void);
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static bool madt_cpu_enabled(index_t i);
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static bool madt_cpu_enabled(index_t i);
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static bool madt_cpu_bootstrap(index_t i);
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static bool madt_cpu_bootstrap(index_t i);
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static __u8 madt_cpu_apic_id(index_t i);
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static __u8 madt_cpu_apic_id(index_t i);
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static int madt_irq_to_pin(int irq);
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struct smp_config_operations madt_config_operations = {
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struct smp_config_operations madt_config_operations = {
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    .cpu_count = madt_cpu_count,
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    .cpu_count = madt_cpu_count,
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    .cpu_enabled = madt_cpu_enabled,
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    .cpu_enabled = madt_cpu_enabled,
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    .cpu_bootstrap = madt_cpu_bootstrap,
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    .cpu_bootstrap = madt_cpu_bootstrap,
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    .cpu_apic_id = madt_cpu_apic_id
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    .cpu_apic_id = madt_cpu_apic_id,
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    .irq_to_pin = madt_irq_to_pin
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};
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};
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static count_t madt_cpu_count(void)
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count_t madt_cpu_count(void)
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{
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{
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    return madt_l_apic_entry_cnt;
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    return madt_l_apic_entry_cnt;
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}
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}
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static bool madt_cpu_enabled(index_t i)
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bool madt_cpu_enabled(index_t i)
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{
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{
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    ASSERT(i < madt_l_apic_entry_cnt);
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    ASSERT(i < madt_l_apic_entry_cnt);
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    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;
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    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1;
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}
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}
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static bool madt_cpu_bootstrap(index_t i)
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bool madt_cpu_bootstrap(index_t i)
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{
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{
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    ASSERT(i < madt_l_apic_entry_cnt);
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    ASSERT(i < madt_l_apic_entry_cnt);
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    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();
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    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id();
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}
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}
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static __u8 madt_cpu_apic_id(index_t i)
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__u8 madt_cpu_apic_id(index_t i)
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{
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{
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    ASSERT(i < madt_l_apic_entry_cnt);
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    ASSERT(i < madt_l_apic_entry_cnt);
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    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;
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    return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id;
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}
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}
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int madt_irq_to_pin(int irq)
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{
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    ASSERT(irq < sizeof(isa_irq_map)/sizeof(int));
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        return isa_irq_map[irq];
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}
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int madt_cmp(void * a, void * b)
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int madt_cmp(void * a, void * b)
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{
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{
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    return
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    return
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        (((struct madt_apic_header *) a)->type > ((struct madt_apic_header *) b)->type) ?
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        (((struct madt_apic_header *) a)->type > ((struct madt_apic_header *) b)->type) ?
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        1 :
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        1 :
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                break;
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                break;
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            case MADT_IO_APIC:
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            case MADT_IO_APIC:
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                madt_io_apic_entry((struct madt_io_apic *) h, index);
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                madt_io_apic_entry((struct madt_io_apic *) h, index);
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                break;
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                break;
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            case MADT_INTR_SRC_OVRD:
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            case MADT_INTR_SRC_OVRD:
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                madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index);
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                break;
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            case MADT_NMI_SRC:
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            case MADT_NMI_SRC:
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            case MADT_L_APIC_NMI:
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            case MADT_L_APIC_NMI:
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            case MADT_L_APIC_ADDR_OVRD:
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            case MADT_L_APIC_ADDR_OVRD:
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            case MADT_IO_SAPIC:
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            case MADT_IO_SAPIC:
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            case MADT_L_SAPIC:
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            case MADT_L_SAPIC:
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        /* currently not supported */
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        /* currently not supported */
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        return;
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        return;
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    }
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    }
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}
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}
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- 
 
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void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, __u32 index)
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{
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    ASSERT(override->source < sizeof(isa_irq_map)/sizeof(int));
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    printf("Remapping irq%d to IO APIC pin%d\n",  override->source, override->global_intr);
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    isa_irq_map[override->source] = override->global_intr;
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}
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#endif /* CONFIG_SMP */
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#endif /* CONFIG_SMP */