From aa673e14025f3c6ee4df862af0bcae5c67a108f7 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Tue, 6 Sep 2022 11:47:00 +0200
Subject: [PATCH] Add FADT header

---
 kernel/include/acpi/FADT.h | 93 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 kernel/include/acpi/FADT.h

diff --git a/kernel/include/acpi/FADT.h b/kernel/include/acpi/FADT.h
new file mode 100644
index 00000000..a5ca5a3d
--- /dev/null
+++ b/kernel/include/acpi/FADT.h
@@ -0,0 +1,93 @@
+#pragma once
+#include "acpi/SDT.h"
+
+namespace ACPI
+{
+    enum AddressSpace
+    {
+        SystemMemory = 0,
+        SystemIO = 1,
+        PCI = 2,
+        EmbeddedController = 3,
+        SystemManagementBus = 4,
+        SystemCMOS = 5,
+        PCIBarTarget = 6,
+        IPMI = 7,
+        GeneralPurposeIO = 8,
+        GenericSerialBus = 9,
+        PlatformCommunicationChannel = 10
+    };
+
+    struct GenericAddressStructure
+    {
+        uint8_t AddressSpace;
+        uint8_t BitWidth;
+        uint8_t BitOffset;
+        uint8_t AccessSize;
+        uint64_t Address;
+    };
+
+    struct FADT
+    {
+        struct SDTHeader header;
+        uint32_t FirmwareCtrl;
+        uint32_t Dsdt;
+
+        uint8_t Reserved;
+
+        uint8_t PreferredPowerManagementProfile;
+        uint16_t SCI_Interrupt;
+        uint32_t SMI_CommandPort;
+        uint8_t AcpiEnable;
+        uint8_t AcpiDisable;
+        uint8_t S4BIOS_REQ;
+        uint8_t PSTATE_Control;
+        uint32_t PM1aEventBlock;
+        uint32_t PM1bEventBlock;
+        uint32_t PM1aControlBlock;
+        uint32_t PM1bControlBlock;
+        uint32_t PM2ControlBlock;
+        uint32_t PMTimerBlock;
+        uint32_t GPE0Block;
+        uint32_t GPE1Block;
+        uint8_t PM1EventLength;
+        uint8_t PM1ControlLength;
+        uint8_t PM2ControlLength;
+        uint8_t PMTimerLength;
+        uint8_t GPE0Length;
+        uint8_t GPE1Length;
+        uint8_t GPE1Base;
+        uint8_t CStateControl;
+        uint16_t WorstC2Latency;
+        uint16_t WorstC3Latency;
+        uint16_t FlushSize;
+        uint16_t FlushStride;
+        uint8_t DutyOffset;
+        uint8_t DutyWidth;
+        uint8_t DayAlarm;
+        uint8_t MonthAlarm;
+        uint8_t Century;
+
+        uint16_t BootArchitectureFlags;
+
+        uint8_t Reserved2;
+        uint32_t Flags;
+
+        GenericAddressStructure ResetReg;
+
+        uint8_t ResetValue;
+        uint8_t Reserved3[3];
+
+        uint64_t X_FirmwareControl;
+        uint64_t X_Dsdt;
+
+        GenericAddressStructure X_PM1aEventBlock;
+        GenericAddressStructure X_PM1bEventBlock;
+        GenericAddressStructure X_PM1aControlBlock;
+        GenericAddressStructure X_PM1bControlBlock;
+        GenericAddressStructure X_PM2ControlBlock;
+        GenericAddressStructure X_PMTimerBlock;
+        GenericAddressStructure X_GPE0Block;
+        GenericAddressStructure X_GPE1Block;
+    };
+}
\ No newline at end of file