[feat] Kernel jump

boot.c

@@ -1,17 +1,20 @@
 #include <efi.h>
 #include <efilib.h>
 
+extern void kernel_main();
+
 EFI_STATUS EFIAPI efi_main (EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *ST) {
     InitializeLib(ImageHandle, ST);
 
-    // 不能直接ST->ConOut之类的，会GP，不知道为什么
-    // uefi_call_wrapper可以解决，而且比较安全（不过就是宏）
-    // 看着挺长，反正就在boot这里用到UEFI Out，后面不用，也就算了
     uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
     uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, 1);
     uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"Welcome to SYLVA OS!\n");
     uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, 2);
     uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"* The system has booted successfully.\n");
-    while (1); // 否则会直接跳到QEMU Setup
+    uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, 3);
+    uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"* Jumping to kernel...\n");
+
+    kernel_main();
+
     return EFI_SUCCESS;
 }