From 504e832b49718b2453607e6c150b1b3f0ecc8986 Mon Sep 17 00:00:00 2001
From: Gliniak <Gliniak93@gmail.com>
Date: Mon, 12 Aug 2024 19:20:59 +0200
Subject: [PATCH] [Kernel] Added dummy XFileBasicInformation for
 NtSetInformationFile

This will prevent assertion spam in some games
Mostly games uses it for cache files after renaming to enable writing to file
---
 src/xenia/kernel/info/file.h                  | 10 ++++++++++
 src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/src/xenia/kernel/info/file.h b/src/xenia/kernel/info/file.h
index 26557bb51..3e5c22785 100644
--- a/src/xenia/kernel/info/file.h
+++ b/src/xenia/kernel/info/file.h
@@ -58,6 +58,16 @@ enum X_FILE_INFORMATION_CLASS {
 
 #pragma pack(push, 1)
 
+// https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/ns-wdm-_file_basic_information
+struct X_FILE_BASIC_INFORMATION {
+  be<uint64_t> creation_time;
+  be<uint64_t> last_access_time;
+  be<uint64_t> last_write_time;
+  be<uint64_t> change_time;
+  be<uint64_t> attributes;
+};
+static_assert_size(X_FILE_BASIC_INFORMATION, 0x28);
+
 // https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/ntifs/ns-ntifs-_file_internal_information
 struct X_FILE_INTERNAL_INFORMATION {
   be<uint64_t> index_number;
diff --git a/src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc b/src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc
index e6aae5d43..81d1013e6 100644
--- a/src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc
+++ b/src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc
@@ -205,6 +205,11 @@ dword_result_t NtSetInformationFile_entry(
   uint32_t out_length;
 
   switch (info_class) {
+    case XFileBasicInformation: {
+      auto info = info_ptr.as<X_FILE_BASIC_INFORMATION*>();
+      out_length = sizeof(*info);
+      break;
+    }
     case XFileRenameInformation: {
       auto info = info_ptr.as<X_FILE_RENAME_INFORMATION*>();
       // Compute path, possibly attrs relative.