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ACPI: Add acpi_create_madt_ioapic_from_hw()

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Read I/O APIC ID and vector counts from hardware.

Change-Id: Ia173582eaad305000f958c5d207e9efaa06d8750
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55310
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Kyösti Mälkki
2021-06-08 11:37:08 +03:00
parent 014901bd9b
commit c7da027e75
2 changed files with 21 additions and 0 deletions
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src/include/acpi/acpi.h
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@@ -1263,6 +1263,7 @@ void acpi_add_table(acpi_rsdp_t *rsdp, void *table);
int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic);
int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,
u32 gsi_base);
int acpi_create_madt_ioapic_from_hw(acpi_madt_ioapic_t *ioapic, u32 addr);
int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
u8 bus, u8 source, u32 gsirq, u16 flags);
int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,