1 files changed, 88 insertions, 0 deletions
diff --git a/src/kernel/FirmwareKit/EFI/API.h b/src/kernel/FirmwareKit/EFI/API.h
new file mode 100644
index 00000000..24fceb2b
--- /dev/null
+++ b/src/kernel/FirmwareKit/EFI/API.h
@@ -0,0 +1,88 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#ifndef __EFI_API__
+#define __EFI_API__
+
+#include <FirmwareKit/EFI/EFI.h>
+#include <FirmwareKit/Handover.h>
+#include <KernelKit/MSDOS.h>
+#include <KernelKit/PE.h>
+
+#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_halt();
+
+namespace Boot {
+/// @brief Halt and clear interrut flag on x86.
+/// @return
+inline Void Stop() noexcept {
+  while (YES) {
+    rt_cli();
+    rt_halt();
+  }
+}
+
+/**
+@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;
+}
+
+#ifdef __BOOTZ__
+
+#include <BootKit/Platform.h>
+
+#endif  // ifdef __BOOTZ__
+
+#endif /* ifndef __EFI_API__ */