From f5e03b9173268d2607b9db379fef93170212328a Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sat, 25 Aug 2018 19:05:22 -0400
Subject: loader: Add BKTR-specific error messages and codes

---
 src/core/loader/loader.h | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'src/core/loader/loader.h')

diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index be66b2257..b4a3a6573 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -107,6 +107,14 @@ enum class ResultStatus : u16 {
     ErrorMissingSDSaveKeySource,
     ErrorMissingSDNCAKeySource,
     ErrorNSPMissingProgramNCA,
+    ErrorBadBKTRHeader,
+    ErrorBKTRSubsectionNotAfterRelocation,
+    ErrorBKTRSubsectionNotAtEnd,
+    ErrorBadRelocationBlock,
+    ErrorBadSubsectionBlock,
+    ErrorBadRelocationBuckets,
+    ErrorBadSubsectionBuckets,
+    ErrorMissingBKTRBaseRomFS,
 };
 
 std::ostream& operator<<(std::ostream& os, ResultStatus status);
@@ -197,13 +205,13 @@ public:
     }
 
     /**
-     * Get the update RomFS of the application
-     * Since the RomFS can be huge, we return a file reference instead of copying to a buffer
-     * @param file The file containing the RomFS
-     * @return ResultStatus result of function
+     * Get whether or not updates can be applied to the RomFS.
+     * By default, this is true, however for formats where it cannot be guaranteed that the RomFS is
+     * the base game it should be set to false.
+     * @return bool whether or not updatable.
      */
-    virtual ResultStatus ReadUpdateRomFS(FileSys::VirtualFile& file) {
-        return ResultStatus::ErrorNotImplemented;
+    virtual bool IsRomFSUpdatable() {
+        return true;
     }
 
     /**
-- 
cgit v1.2.3


From 9664ce255db09f4501db642c1e82d8cf8f274a22 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sun, 26 Aug 2018 10:53:31 -0400
Subject: bktr: Fix missing includes and optimize style

---
 src/core/loader/loader.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/core/loader/loader.h')

diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index b4a3a6573..225c05127 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -210,7 +210,7 @@ public:
      * the base game it should be set to false.
      * @return bool whether or not updatable.
      */
-    virtual bool IsRomFSUpdatable() {
+    virtual bool IsRomFSUpdatable() const {
         return true;
     }
 
-- 
cgit v1.2.3


From a6e75cd45b75a202eed1a68692e33e7732789dd2 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Tue, 28 Aug 2018 22:37:42 -0400
Subject: bktr: Implement IVFC offset shifting Fixes base game read errors

---
 src/core/loader/loader.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/core/loader/loader.h')

diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 225c05127..843c4bb91 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -214,6 +214,15 @@ public:
         return true;
     }
 
+    /**
+     * Gets the difference between the start of the IVFC header and the start of level 6 (RomFS)
+     * data. Needed for bktr patching.
+     * @return IVFC offset for romfs.
+     */
+    virtual u64 ReadRomFSIVFCOffset() const {
+        return 0;
+    }
+
     /**
      * Get the title of the application
      * @param title Reference to store the application title into
-- 
cgit v1.2.3