From b22a76e3c433befe0faa4cd257c9d5b1fcd44398 Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Fri, 6 Jan 2023 16:16:26 +0100
Subject: [PATCH] Add XT native kernel subsystem to the PE/COFF image support

---
 sdk/xtdk/xtimage.h        | 1 +
 xtldr/modules/xtos/xtos.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/sdk/xtdk/xtimage.h b/sdk/xtdk/xtimage.h
index ac59d3a..2f3ad8f 100644
--- a/sdk/xtdk/xtimage.h
+++ b/sdk/xtdk/xtimage.h
@@ -40,6 +40,7 @@
 #define PECOFF_IMAGE_SUBSYSTEM_EFI_ROM                     13
 #define PECOFF_IMAGE_SUBSYSTEM_XBOX                        14
 #define PECOFF_IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION    16
+#define PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_KERNEL            20
 #define PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_APPLICATION       21
 #define PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_DRIVER            22
 #define PECOFF_IMAGE_SUBSYSTEM_XT_DYNAMIC_LIBRARY          23
diff --git a/xtldr/modules/xtos/xtos.c b/xtldr/modules/xtos/xtos.c
index 015fbf3..40edc52 100644
--- a/xtldr/modules/xtos/xtos.c
+++ b/xtldr/modules/xtos/xtos.c
@@ -385,7 +385,8 @@ XtpLoadModule(IN PEFI_FILE_HANDLE SystemDir,
 
     /* Check PE/COFF image subsystem */
     XtPeCoffProtocol->GetSubSystem(*ImageContext, &SubSystem);
-    if(SubSystem != PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_APPLICATION &&
+    if(SubSystem != PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_KERNEL &&
+       SubSystem != PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_APPLICATION &&
        SubSystem != PECOFF_IMAGE_SUBSYSTEM_XT_NATIVE_DRIVER)
     {
         XtLdrProtocol->DbgPrint(L"WARNING: Loaded PE/COFF image with non-XT subsystem set\n");