[feat] BootLoader -> Kernel

kernel/entry.cpp

@@ -0,0 +1,13 @@
+#include <efi.h>
+#include <common.h>
+
+EFI_SYSTEM_TABLE *ST = NULL;
+
+extern "C" void kernel_main();
+
+extern "C" void _start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
+    (void)ImageHandle;
+    ST = SystemTable;
+    kernel_main();
+    while (1) ASM ("hlt");
+}