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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#ifndef __EFI_API__
#define __EFI_API__
#include <FirmwareKit/EFI/EFI.h>
#include <FirmwareKit/Handover.h>
#include <KernelKit/MSDOS.h>
#include <KernelKit/PE.h>
#define kNeWebsiteMacro "https://aker.com/help"
#define kNeKernelSubsystem (StrLen(kNeWebsiteMacro))
#ifdef __BOOTZ__
// forward decl.
class BootTextWriter;
#define __BOOTKIT_NO_INCLUDE__ 1
#include <BootKit/BootKit.h>
#include <modules/CoreGfx/CoreGfx.h>
#endif // ifdef __BOOTZ__
inline EfiSystemTable* ST = nullptr;
inline EfiBootServices* BS = nullptr;
EXTERN_C void rt_cli();
EXTERN_C void rt_hlt();
namespace Boot
{
/// @brief Halt and clear interrupts.
/// @return
inline Void Stop() noexcept
{
while (YES)
{
rt_cli();
rt_hlt();
}
}
/**
@brief Exit EFI API to let the OS load correctly.
Bascially frees everything we have in the EFI side.
*/
inline Void ExitBootServices(UInt64 MapKey, EfiHandlePtr ImageHandle) noexcept
{
if (!ST)
return;
ST->BootServices->ExitBootServices(ImageHandle, MapKey);
}
inline UInt32 Platform() noexcept
{
return kPeMachineAMD64;
}
/***
* @brief Throw an error, stop execution as well.
* @param ErrorCode error code to be print.
* @param Reason reason to be print.
*/
inline void ThrowError(const EfiCharType* ErrorCode,
const EfiCharType* Reason) noexcept
{
ST->ConOut->OutputString(ST->ConOut, L"\r*** STOP ***\r");
ST->ConOut->OutputString(ST->ConOut, L"*** ERROR: ");
ST->ConOut->OutputString(ST->ConOut, ErrorCode);
ST->ConOut->OutputString(ST->ConOut, L" ***\r *** REASON: ");
ST->ConOut->OutputString(ST->ConOut, Reason);
ST->ConOut->OutputString(ST->ConOut, L" ***\r");
Boot::Stop();
}
} // namespace Boot
inline void fw_init_efi(EfiSystemTable* SystemTable) noexcept
{
if (!SystemTable)
return;
ST = SystemTable;
BS = ST->BootServices;
ST->ConOut->ClearScreen(SystemTable->ConOut);
ST->ConOut->SetAttribute(SystemTable->ConOut, kEFIYellow);
ST->BootServices->SetWatchdogTimer(0, 0, 0, nullptr);
ST->ConOut->EnableCursor(ST->ConOut, false);
}
#ifdef __BOOTZ__
#include <BootKit/Platform.h>
#endif // ifdef __BOOTZ__
#endif /* ifndef __EFI_API__ */
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