Refactor boot_info.h and related files for improved abstraction and consistency. Updated function signatures to use generic types, replaced UEFI-specific types with kernel types, and enhanced documentation for clarity. Adjusted kernel entry point and service wrappers to align with new structure.

commands.c

@@ -11,7 +11,7 @@
  *   3. Append an entry to commands[] (before the sentinel)
  */
 
-#include <efi.h>
+#include "kernel_types.h"
 #include "commands.h"
 #include "string_utils.h"
 #include "memory.h"
@@ -112,10 +112,6 @@ static Command commands[] = {
  *  System control
  * ================================================================ */
 
-/*
- * Try Boot->shutdown first, then fall back to RuntimeServices, then
- * print an error if neither is available.
- */
 static void request_shutdown(BootInfo *Boot)
 {
     if (Boot == NULL) {
@@ -127,14 +123,6 @@ static void request_shutdown(BootInfo *Boot)
         return;
     }
 
-    if (Boot->SystemTable != NULL &&
-        Boot->SystemTable->RuntimeServices != NULL &&
-        Boot->SystemTable->RuntimeServices->ResetSystem != NULL) {
-        Boot->SystemTable->RuntimeServices->ResetSystem(
-            EfiResetShutdown, EFI_SUCCESS, 0, NULL);
-        return;
-    }
-
     SAFE_PRINT(Boot, L"Shutdown service unavailable.\n\r");
 }
 
@@ -185,13 +173,14 @@ static void cmd_man(BootInfo *Boot, CHAR16 *Args)
 
 static void cmd_clear(BootInfo *Boot, CHAR16 *Args)
 {
-    EFI_STATUS Status;
+    KSTATUS Status;
     (void)Args;
     
     if (Boot != NULL && Boot->clear_screen != NULL) {
         Status = Boot->clear_screen();
-        if (EFI_ERROR(Status)) {
-            SAFE_PRINT(Boot, L"Failed to clear screen: %r\n\r", Status);
+        if (Status != 0) {
+            SAFE_PRINT(Boot, L"Failed to clear screen (status=%ld)\n\r",
+                       (UINT64)Status);
         }
     } else {
         SAFE_PRINT(Boot, L"Clear screen function unavailable.\n\r");