Initial commit

arm7/source/loader/SaveList.h

@@ -0,0 +1,74 @@
+#pragma once
+#include <memory>
+#include "common.h"
+#include "CardSaveType.h"
+
+/// @brief Class representing a save list entry.
+class SaveListEntry
+{
+    u32 gameCode;
+    u8 saveType; // see CardSaveType
+    u8 saveSize; // 0 or 1 << x
+    u8 reserved[2]; // for possible future use
+
+public:
+    u32 GetGameCode() const { return gameCode; }
+    CardSaveType GetSaveType() const { return static_cast<CardSaveType>(saveType); }
+    u32 GetSaveSize() const { return saveSize == 0 ? 0 : (1u << saveSize); }
+
+    void Dump() const
+    {
+        const char* saveType;
+        switch (GetSaveType())
+        {
+            case CardSaveType::None:
+            {
+                saveType = "none";
+                break;
+            }
+            case CardSaveType::Eeprom:
+            {
+                saveType = "eeprom";
+                break;
+            }
+            case CardSaveType::Flash:
+            {
+                saveType = "flash";
+                break;
+            }
+            case CardSaveType::Nand:
+            {
+                saveType = "nand";
+                break;
+            }
+            default:
+            {
+                saveType = "unknown";
+                break;
+            }
+        }
+        LOG_DEBUG("%c%c%c%c - %s - 0x%X\n",
+            gameCode & 0xFF, (gameCode >> 8) & 0xFF, (gameCode >> 16) & 0xFF, gameCode >> 24,
+            saveType,
+            GetSaveSize());
+    }
+};
+
+static_assert(sizeof(SaveListEntry) == 8, "Invalid sizeof(SaveListEntry)");
+
+/// @brief Class representing a save list.
+class SaveList
+{
+public:
+    SaveList(std::unique_ptr<const SaveListEntry[]> entries, u32 count)
+        : _entries(std::move(entries)), _count(count) { }
+
+    /// @brief Attempts to find the save list entry for the given \p gameCode.
+    /// @param gameCode The game code to search for.
+    /// @return A pointer to the \see SaveListEntry when found, or \c nullptr otherwise.
+    const SaveListEntry* FindEntry(u32 gameCode);
+
+private:
+    std::unique_ptr<const SaveListEntry[]> _entries;
+    u32 _count;
+};