| 1 | /*
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| 2 | * Copyright (C) 2005 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <arch/types.h>
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| 30 | #include <arch/acpi/acpi.h>
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| 31 | #include <arch/acpi/madt.h>
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| 32 | #include <arch/smp/apic.h>
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| 33 |
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| 34 | struct acpi_madt *acpi_madt = NULL;
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| 35 |
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| 36 | #ifdef __SMP__
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| 37 |
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| 38 | char *entry[] = {
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| 39 | "L_APIC",
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| 40 | "IO_APIC",
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| 41 | "INTR_SRC_OVRD",
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| 42 | "NMI_SRC",
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| 43 | "L_APIC_NMI",
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| 44 | "L_APIC_ADDR_OVRD",
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| 45 | "IO_SAPIC",
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| 46 | "L_SAPIC",
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| 47 | "PLATFORM_INTR_SRC"
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| 48 | };
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| 49 |
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| 50 | void acpi_madt_parse(void)
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| 51 | {
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| 52 | struct madt_apic_header *end = (struct madt_apic_header *) (((__u8 *) acpi_madt) + acpi_madt->header.length);
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| 53 | struct madt_apic_header *h = &acpi_madt->apic_header[0];
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| 54 |
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| 55 | l_apic = (__u32 *) acpi_madt->l_apic_address;
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| 56 |
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| 57 | while (h < end) {
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| 58 | switch (h->type) {
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| 59 | case MADT_L_APIC:
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| 60 | case MADT_IO_APIC:
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| 61 | case MADT_INTR_SRC_OVRD:
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| 62 | case MADT_NMI_SRC:
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| 63 | case MADT_L_APIC_NMI:
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| 64 | case MADT_L_APIC_ADDR_OVRD:
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| 65 | case MADT_IO_SAPIC:
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| 66 | case MADT_L_SAPIC:
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| 67 | case MADT_PLATFORM_INTR_SRC:
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| 68 | printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type);
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| 69 | break;
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| 70 |
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| 71 | default:
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| 72 | if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {
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| 73 | printf("MADT: skipping reserved entry (type=%d)\n", h->type);
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| 74 | }
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| 75 | if (h->type >= MADT_RESERVED_OEM_BEGIN) {
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| 76 | printf("MADT: skipping OEM entry (type=%d)\n", h->type);
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| 77 | }
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| 78 | break;
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| 79 | }
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| 80 | h = (struct madt_apic_header *) (((__u8 *) h) + h->length);
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| 81 | }
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| 82 |
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| 83 | }
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| 84 |
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| 85 | #endif /* __SMP__ */
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