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/* -------------------------------------------
Copyright SoftwareLabs
------------------------------------------- */
/**
* @file Handover.hxx
* @author Amlal El Mahrouss (amlalelmahrouss@icloud.com)
* @brief The handover boot protocol.
* @version 0.3
* @date 2024-02-23
*
* @copyright Copyright (c) 2024, SoftwareLabs
*
*/
#pragma once
#include <NewKit/Defines.hpp>
/* useful macros */
#define kHandoverMagic 0xBADCC
#define kHandoverVersion 0x112
#define kHandoverStructSz sizeof(HEL::HandoverHeader)
namespace NewOS::HEL
{
/**
@brief the kind of executable we're loading.
*/
enum
{
kTypeKernel = 100,
kTypeKernelDriver = 101,
kTypeRsrc = 102,
kTypeCount = 3,
};
/**
@brief The executable architecture.
*/
enum
{
kArchAmd64 = 122,
kArchCount = 2,
};
/**
@brief The first struct that we read when inspecting The executable
it tells us more about it and IS format independent.
*/
typedef struct HandoverHeader final
{
UInt64 f_TargetMagic;
Int32 f_TargetType;
Int32 f_TargetArch;
UIntPtr f_TargetStartAddress;
} __attribute__((packed)) HandoverHeader, *HandoverHeaderPtr;
struct HandoverInformationHeader
{
UInt64 f_Magic;
UInt64 f_Version;
voidPtr f_VirtualStart;
SizeT f_VirtualSize;
voidPtr f_PhysicalStart;
WideChar f_FirmwareVendorName[32];
SizeT f_FirmwareVendorLen;
struct
{
VoidPtr f_SmBios;
VoidPtr f_RsdPtr;
} f_HardwareTables;
struct
{
UIntPtr f_The;
SizeT f_Size;
UInt32 f_Width;
UInt32 f_Height;
UInt32 f_PixelFormat;
UInt32 f_PixelPerLine;
} f_GOP;
UInt64 f_FirmwareSpecific[8];
};
enum
{
kHandoverSpecificKind,
kHandoverSpecificAttrib,
kHandoverSpecificMemoryEfi,
};
/// @brief Bootloader main type.
typedef void (*BootMainKind)(NewOS::HEL::HandoverInformationHeader* handoverInfo);
/// @brief Alias of bootloader main type.
typedef void (*HandoverProc)(HandoverInformationHeader* handoverInfo);
} // namespace NewOS::HEL
/// @brief Bootloader global header.
inline NewOS::HEL::HandoverInformationHeader* kHandoverHeader = nullptr;
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