coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
acpi_tables.c
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <
acpi/acpi.h
>
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#include <
arch/ioapic.h
>
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unsigned
long
acpi_fill_madt
(
unsigned
long
current)
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{
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/* create all subtables for processors */
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current =
acpi_create_madt_lapics
(current);
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/* Write SB800 IOAPIC, only one */
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current +=
acpi_create_madt_ioapic
((
acpi_madt_ioapic_t
*) current, CONFIG_MAX_CPUS,
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IO_APIC_ADDR
, 0);
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/* TODO: Remove the hardcode */
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current +=
acpi_create_madt_ioapic
((
acpi_madt_ioapic_t
*) current, CONFIG_MAX_CPUS+1,
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0xFEC20000, 24);
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current +=
acpi_create_madt_irqoverride
((
acpi_madt_irqoverride_t
*)
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current, 0, 0, 2, 0);
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current +=
acpi_create_madt_irqoverride
((
acpi_madt_irqoverride_t
*)
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current, 0, 9, 9, 0xF);
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/* 0: mean bus 0--->ISA */
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/* 0: PIC 0 */
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/* 2: APIC 2 */
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/* 5 mean: 0101 --> Edge-triggered, Active high */
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/* create all subtables for processors */
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current +=
acpi_create_madt_lapic_nmi
((
acpi_madt_lapic_nmi_t
*)current, 0xff, 5, 1);
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/* 1: LINT1 connect to NMI */
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return
current;
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}
acpi_create_madt_lapics
unsigned long acpi_create_madt_lapics(unsigned long current)
Definition:
acpi.c:144
acpi_create_madt_irqoverride
int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride, u8 bus, u8 source, u32 gsirq, u16 flags)
Definition:
acpi.c:187
acpi_create_madt_ioapic
int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr, u32 gsi_base)
Definition:
acpi.c:174
acpi_create_madt_lapic_nmi
int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, u16 flags, u8 lint)
Definition:
acpi.c:200
ioapic.h
IO_APIC_ADDR
#define IO_APIC_ADDR
Definition:
ioapic.h:6
acpi.h
acpi_fill_madt
unsigned long acpi_fill_madt(unsigned long current)
Definition:
acpi_tables.c:17
acpi_madt_ioapic
Definition:
acpi.h:630
acpi_madt_irqoverride
Definition:
acpi.h:640
acpi_madt_lapic_nmi
Definition:
acpi.h:619
src
northbridge
amd
agesa
family16kb
acpi_tables.c
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