Merge branch 'master' into sd-card

include/fs/archive_base.hpp

@@ -25,17 +25,22 @@ namespace PathType {
 }
 
 namespace ArchiveID {
-    enum : u32 {
-        SelfNCCH = 3,
-        SaveData = 4,
-        ExtSaveData = 6,
-        SharedExtSaveData = 7,
-        SystemSaveData = 8,
-        SDMC = 9,
-        SDMCWriteOnly = 0xA,
+	enum : u32 {
+		SelfNCCH = 3,
+		SaveData = 4,
+		ExtSaveData = 6,
+		SharedExtSaveData = 7,
+		SystemSaveData = 8,
+		SDMC = 9,
+		SDMCWriteOnly = 0xA,
 
-        SavedataAndNcch = 0x2345678A
-    };
+		SavedataAndNcch = 0x2345678A,
+		// 3DBrew: This is the same as the regular SaveData archive, except with this the savedata ID and mediatype is loaded from the input archive
+		// lowpath.
+		UserSaveData1 = 0x567890B2,
+		// 3DBrew: Similar to 0x567890B2 but can only access Accessible Save specified in exheader?
+		UserSaveData2 = 0x567890B4,
+	};
 
     static std::string toString(u32 id) {
         switch (id) {
@@ -246,4 +251,11 @@ public:
     virtual std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) = 0;
 
     ArchiveBase(Memory& mem) : mem(mem) {}
+};
+
+struct ArchiveResource {
+	u32 sectorSize;   // Size of a sector in bytes
+	u32 clusterSize;  // Size of a cluster in bytes
+	u32 partitionCapacityInClusters;
+	u32 freeSpaceInClusters;
 };

include/fs/archive_ncch.hpp

@@ -18,7 +18,8 @@ public:
 	// Returns whether the cart has a RomFS
 	bool hasRomFS() {
 		auto cxi = mem.getCXI();
-		return (cxi != nullptr && cxi->hasRomFS());
+		auto hb3dsx = mem.get3DSX();
+		return (cxi != nullptr && cxi->hasRomFS()) || (hb3dsx != nullptr && hb3dsx->hasRomFs());
 	}
 
 	// Returns whether the cart has an ExeFS (All executable carts should have an ExeFS. This is just here to be safe)

include/fs/archive_self_ncch.hpp

@@ -18,7 +18,8 @@ public:
 	// Returns whether the cart has a RomFS
 	bool hasRomFS() {
 		auto cxi = mem.getCXI();
-		return (cxi != nullptr && cxi->hasRomFS());
+		auto hb3dsx = mem.get3DSX();
+		return (cxi != nullptr && cxi->hasRomFS()) || (hb3dsx != nullptr && hb3dsx->hasRomFs());
 	}
 
 	// Returns whether the cart has an ExeFS (All executable carts should have an ExeFS. This is just here to be safe)

include/fs/archive_user_save_data.hpp

@@ -0,0 +1,31 @@
+#pragma once
+#include "archive_base.hpp"
+
+class UserSaveDataArchive : public ArchiveBase {
+	u32 archiveID;
+  public:
+	UserSaveDataArchive(Memory& mem, u32 archiveID) : ArchiveBase(mem), archiveID(archiveID) {}
+
+	u64 getFreeBytes() override { return 32_MB; }
+	std::string name() override { return "UserSaveData"; }
+
+	HorizonResult createDirectory(const FSPath& path) override;
+	HorizonResult createFile(const FSPath& path, u64 size) override;
+	HorizonResult deleteFile(const FSPath& path) override;
+
+	Rust::Result<ArchiveBase*, HorizonResult> openArchive(const FSPath& path) override;
+	Rust::Result<DirectorySession, HorizonResult> openDirectory(const FSPath& path) override;
+	FileDescriptor openFile(const FSPath& path, const FilePerms& perms) override;
+	std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) override;
+
+	void format(const FSPath& path, const FormatInfo& info) override;
+	Rust::Result<FormatInfo, HorizonResult> getFormatInfo(const FSPath& path) override;
+
+	std::filesystem::path getFormatInfoPath() { return IOFile::getAppData() / "FormatInfo" / "SaveData.format"; }
+
+	// Returns whether the cart has save data or not
+	bool cartHasSaveData() {
+		auto cxi = mem.getCXI();
+		return (cxi != nullptr && cxi->hasSaveData());  // We need to have a CXI file with more than 0 bytes of save data
+	}
+};