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arm64: Discover GICv2 from ACPI.

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Change-Id: I89f2968a756d767f3a88c002292696a725a00918
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5275
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Adrien Destugues <[email protected]>
This commit is contained in:
milek7
2022-07-24 07:56:07 +00:00
committed by Adrien Destugues
parent 17f0f4b68f
commit 81e0d2d4c2
2 changed files with 69 additions and 1 deletions
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headers/private/kernel/acpi.h
+38 -1
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@@ -65,7 +65,12 @@ enum {
ACPI_MADT_LOCAL_SAPIC = 7,
ACPI_MADT_PLATFORM_INTERRUPT_SOURCE = 8,
ACPI_MADT_PROCESSOR_LOCAL_X2_APIC_NMI = 9,
ACPI_MADT_LOCAL_X2_APIC_NMI = 0XA
ACPI_MADT_LOCAL_X2_APIC_NMI = 0xA,
ACPI_MADT_GIC_INTERFACE = 0xB,
ACPI_MADT_GIC_DISTRIBUTOR = 0xC,
ACPI_MADT_GIC_MSI_FRAME = 0xD,
ACPI_MADT_GIC_REDISTRIBUTOR = 0xE,
ACPI_MADT_GIC_ITS = 0xF
};
typedef struct acpi_apic {
@@ -203,6 +208,38 @@ typedef struct acpi_local_x2_apic_nmi {
uint8 reserved3; /* reserved (must be set to zero) */
} _PACKED acpi_local_x2_apic_nmi;
typedef struct acpi_gic_interface {
uint8 type;
uint8 length;
uint16 reserved1;
uint32 cpu_interface_num;
uint32 acpi_processor_uid;
uint32 flags;
uint32 parking_protocol_ver;
uint32 performance_gsiv;
uint64 parked_address;
uint64 base_address;
uint64 gicv_address;
uint64 gich_address;
uint32 vgic_maintenance_gsiv;
uint64 gicr_address;
uint64 mpidr;
uint8 efficiency_class;
uint8 reserved2;
uint16 spe_overflow_gsiv;
} _PACKED acpi_gic_interface;
typedef struct acpi_gic_distributor {
uint8 type;
uint8 length;
uint16 reserved1;
uint32 gic_id;
uint64 base_address;
uint32 reserved2;
uint8 gic_version;
uint8 reserved[3];
} _PACKED acpi_gic_distributor;
typedef struct acpi_gas {
uint8 address_space_id;
uint8 bit_width;