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/*
* ========================================================
*
* NewBoot
* Copyright Mahrouss Logic, all rights reserved.
*
* ========================================================
*/
/***********************************************************************************/
/// @file Boot.hxx
/// @brief Bootloader API.
/***********************************************************************************/
#pragma once
#include <BootKit/Arch/ATA.hxx>
#include <EFIKit/EFI.hxx>
#include <NewKit/Defines.hpp>
using namespace HCore;
typedef Char *PEFImagePtr;
typedef Char *PEImagePtr;
enum {
kSegmentCode = 2,
kSegmentData = 4,
kSegmentBss = 6,
};
typedef WideChar CharacterType;
/**
* @brief BootKit Text Writer class
* Writes to UEFI StdOut.
*/
class BTextWriter final {
public:
BTextWriter &WriteString(const CharacterType *str);
BTextWriter &WriteCharacter(CharacterType c);
public:
explicit BTextWriter() = default;
~BTextWriter() = default;
public:
BTextWriter &operator=(const BTextWriter &) = default;
BTextWriter(const BTextWriter &) = default;
};
HCore::SizeT BCopyMem(CharacterType *dest, CharacterType *src,
const HCore::SizeT len);
HCore::SizeT BStrLen(const CharacterType *ptr);
HCore::SizeT BSetMem(CharacterType *src, const CharacterType byte,
const HCore::SizeT len);
/**
* @brief BootKit File Reader class
* Reads using the New Filesystem Boot partition.
*/
class BFileReader final {
public:
explicit BFileReader(const CharacterType *path);
~BFileReader();
HCore::VoidPtr Fetch(EfiHandlePtr ImageHandle);
enum {
kOperationOkay,
kNotSupported,
kEmptyDirectory,
kNoSuchEntry,
kIsDirectory,
kCount,
};
Int32 &Error() { return mErrorCode; }
public:
BFileReader &operator=(const BFileReader &) = default;
BFileReader(const BFileReader &) = default;
private:
Int32 mErrorCode{kOperationOkay};
VoidPtr mBlob{nullptr};
CharacterType mPath[kPathLen];
BTextWriter mWriter;
BDeviceATA mDevice;
bool mCached{false};
};
/***********************************************************************************/
/// Include other APIs.
/***********************************************************************************/
#include <BootKit/Platform.hxx>
#include <BootKit/Protocol.hxx>
/***********************************************************************************/
/// Provide some useful processor features.
/***********************************************************************************/
#ifdef __EFI_x86_64__
inline void Out8(UInt16 port, UInt8 value) {
asm volatile("outb %%al, %1" : : "a"(value), "Nd"(port) : "memory");
}
inline void Out16(UInt16 port, UInt16 value) {
asm volatile("outw %%ax, %1" : : "a"(value), "Nd"(port) : "memory");
}
inline void Out32(UInt16 port, UInt32 value) {
asm volatile("outl %%eax, %1" : : "a"(value), "Nd"(port) : "memory");
}
inline UInt8 In8(UInt16 port) {
UInt8 value;
asm volatile("inb %1, %%al" : "=a"(value) : "Nd"(port) : "memory");
return value;
}
inline UInt16 In16(UInt16 port) {
UInt16 value;
asm volatile("inw %%dx, %%ax" : "=a"(value) : "d"(port));
return value;
}
inline UInt32 In32(UInt16 port) {
UInt32 value;
asm volatile("inl %1, %%eax" : "=a"(value) : "Nd"(port) : "memory");
return value;
}
/***********************************************************************************/
/// Framebuffer.
/***********************************************************************************/
#define RGB(R, G, B) (UInt32)(0x##R##G##B)
const UInt32 kRgbRed = 0x000000FF;
const UInt32 kRgbGreen = 0x0000FF00;
const UInt32 kRgbBlue = 0x00FF0000;
const UInt32 kRgbBlack = 0x00000000;
const UInt32 kRgbWhite = 0x00FFFFFF;
#endif // __EFI_x86_64__
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