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ACPI: Adding definitions for HPET

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Also, definitions were added for MADT entries, like IOAPIC and GSI
overriding information.
This commit is contained in:
Liav A 2020-02-22 19:48:30 +02:00 committed by Andreas Kling
parent e760ebcacb
commit ebe30ed11e
Notes: sideshowbarker 2024-07-19 09:07:24 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/ebe30ed11e8
Pull-request: https://github.com/SerenityOS/serenity/pull/1274
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/shannonbooth
1 changed files with 64 additions and 3 deletions
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67
Kernel/ACPI/Definitions.h
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@ -86,6 +86,32 @@ struct [[gnu::packed]] GenericAddressStructure
u64 address;
};
struct [[gnu::packed]] TimerStructure
{
u64 configuration_capability;
u64 comparator_value;
u64 fsb_interrupt_route;
};
struct [[gnu::packed]] HPET
{
SDTHeader h;
u64 capabilities;
u64 reserved;
u64 configuration;
u64 reserved2;
u64 interrupt_status;
u64 reserved3;
u64 main_counter_value;
u64 reserved4;
TimerStructure timer0;
u64 reserved5;
TimerStructure timer1;
u64 reserved6;
TimerStructure timer2;
u64 reserved7;
};
struct [[gnu::packed]] FADT
{
SDTHeader h;
@ -145,12 +171,47 @@ struct [[gnu::packed]] FADT
GenericAddressStructure sleep_status;
u64 hypervisor_vendor_identity;
};
enum class MADTEntryType {
LocalAPIC = 0x0,
IOAPIC = 0x1,
InterruptSourceOverride = 0x2,
NMI_Source = 0x3,
LocalAPIC_NMI = 0x4,
LocalAPIC_Address_Override = 0x5,
IO_SAPIC = 0x6,
Local_SAPIC = 0x7,
Platform_interrupt_Sources = 0x8,
Local_x2APIC = 0x9,
Local_x2APIC_NMI = 0xA,
GIC_CPU = 0xB,
GIC_Distributor = 0xC,
GIC_MSI = 0xD,
GIC_Redistrbutor = 0xE,
GIC_Interrupt_Translation = 0xF
};
struct [[gnu::packed]] MADTEntry
struct [[gnu::packed]] MADTEntryHeader
{
u8 type;
u8 length;
char data[];
};
struct [[gnu::packed]] MADT_IOAPIC
{
MADTEntryHeader h;
u8 ioapic_id;
u8 reserved;
u32 ioapic_address;
u32 gsi_base;
};
struct [[gnu::packed]] MADT_InterruptSourceOverride
{
MADTEntryHeader h;
u8 bus;
u8 source;
u32 global_system_interrupt;
u16 flags;
};
struct [[gnu::packed]] MADT
@ -158,7 +219,7 @@ struct [[gnu::packed]] MADT
SDTHeader h;
u32 lapic_address;
u32 flags;
MADTEntry entries[];
MADTEntryHeader entries[];
};
struct [[gnu::packed]] AMLTable