From b71bda45ae26695665bba45e7a3f84ae5a13d2b3 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Wed, 10 Apr 2019 12:10:38 -0400
Subject: [PATCH] bis_factory: Add accessors for BIS placeholder caches

---
 src/core/file_sys/bis_factory.cpp | 14 +++++++++++++-
 src/core/file_sys/bis_factory.h   |  7 +++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/core/file_sys/bis_factory.cpp b/src/core/file_sys/bis_factory.cpp
index b8967853f..cbeb2f73a 100644
--- a/src/core/file_sys/bis_factory.cpp
+++ b/src/core/file_sys/bis_factory.cpp
@@ -14,7 +14,11 @@ BISFactory::BISFactory(VirtualDir nand_root_, VirtualDir load_root_, VirtualDir
       sysnand_cache(std::make_unique<RegisteredCache>(
           GetOrCreateDirectoryRelative(nand_root, "/system/Contents/registered"))),
       usrnand_cache(std::make_unique<RegisteredCache>(
-          GetOrCreateDirectoryRelative(nand_root, "/user/Contents/registered"))) {}
+          GetOrCreateDirectoryRelative(nand_root, "/user/Contents/registered"))),
+      sysnand_placeholder(std::make_unique<PlaceholderCache>(
+          GetOrCreateDirectoryRelative(nand_root, "/system/Contents/placehld"))),
+      usrnand_placeholder(std::make_unique<PlaceholderCache>(
+          GetOrCreateDirectoryRelative(nand_root, "/user/Contents/placehld"))) {}
 
 BISFactory::~BISFactory() = default;
 
@@ -34,6 +38,14 @@ RegisteredCache* BISFactory::GetUserNANDContents() const {
     return usrnand_cache.get();
 }
 
+PlaceholderCache* BISFactory::GetSystemNANDPlaceholder() const {
+    return sysnand_placeholder.get();
+}
+
+PlaceholderCache* BISFactory::GetUserNANDPlaceholder() const {
+    return usrnand_placeholder.get();
+}
+
 VirtualDir BISFactory::GetModificationLoadRoot(u64 title_id) const {
     // LayeredFS doesn't work on updates and title id-less homebrew
     if (title_id == 0 || (title_id & 0x800) > 0)
diff --git a/src/core/file_sys/bis_factory.h b/src/core/file_sys/bis_factory.h
index 38dcd28dc..6229cd5a9 100644
--- a/src/core/file_sys/bis_factory.h
+++ b/src/core/file_sys/bis_factory.h
@@ -28,6 +28,7 @@ enum class BisPartitionId : u32 {
 };
 
 class RegisteredCache;
+class PlaceholderCache;
 
 /// File system interface to the Built-In Storage
 /// This is currently missing accessors to BIS partitions, but seemed like a good place for the NAND
@@ -43,6 +44,9 @@ public:
     RegisteredCache* GetSystemNANDContents() const;
     RegisteredCache* GetUserNANDContents() const;
 
+    PlaceholderCache* GetSystemNANDPlaceholder() const;
+    PlaceholderCache* GetUserNANDPlaceholder() const;
+
     VirtualDir GetModificationLoadRoot(u64 title_id) const;
     VirtualDir GetModificationDumpRoot(u64 title_id) const;
 
@@ -58,6 +62,9 @@ private:
 
     std::unique_ptr<RegisteredCache> sysnand_cache;
     std::unique_ptr<RegisteredCache> usrnand_cache;
+
+    std::unique_ptr<PlaceholderCache> sysnand_placeholder;
+    std::unique_ptr<PlaceholderCache> usrnand_placeholder;
 };
 
 } // namespace FileSys