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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#pragma once
#include <NewKit/Defines.h>
#include <FirmwareKit/EFI/EFI.h>
#define kSectorAlignGPT_PartTbl (420U)
#define kSectorAlignGPT_PartEntry (72U)
#define kMagicLenGPT (8U)
#define kMagicGPT ("EFI PART") // "EFI PART"
#define kGPTPartitionTableLBA (512U + sizeof(GPT_PARTITION_TABLE))
namespace Kernel
{
struct GPT_GUID;
struct GPT_PARTITION_TABLE;
struct GPT_PARTITION_ENTRY;
/// @brief GPT GUID structure.
typedef struct GPT_GUID
{
Kernel::UInt32 Data1;
Kernel::UInt16 Data2;
Kernel::UInt16 Data3;
Kernel::UInt8 Data4[8];
} GPT_GUID;
struct PACKED GPT_PARTITION_TABLE final
{
Char Signature[kMagicLenGPT];
UInt32 Revision;
UInt32 HeaderSize;
UInt32 CRC32;
UInt32 Reserved1;
UInt64 LBAHeader;
UInt64 LBAAltHeader;
UInt64 FirstGPTEntry;
UInt64 LastGPTEntry;
GPT_GUID Guid;
UInt64 StartingLBA;
UInt32 NumPartitionEntries;
UInt32 SizeOfEntries;
UInt32 CRC32PartEntry;
UInt8 Reserved2[kSectorAlignGPT_PartTbl];
};
struct PACKED GPT_PARTITION_ENTRY
{
GPT_GUID PartitionTypeGUID;
GPT_GUID UniquePartitionGUID;
UInt64 StartLBA;
UInt64 EndLBA;
UInt64 Attributes;
UInt8 Name[kSectorAlignGPT_PartEntry];
};
} // namespace Kernel
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