feat(kernel): SwapKit+kSwap variant type.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

3 files changed, 69 insertions, 53 deletions

diff --git a/dev/kernel/src/Swap/SwapDisk.cc b/dev/kernel/src/Swap/SwapDisk.cc
new file mode 100644
index 00000000..fbc63b2f
--- /dev/null
+++ b/dev/kernel/src/Swap/SwapDisk.cc
@@ -0,0 +1,67 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024-2025 Amlal EL Mahrouss Labs, all rights reserved.
+
+------------------------------------------- */
+
+#include <SwapKit/SwapDisk.h>
+#include <KernelKit/FileMgr.h>
+
+namespace NeOS
+{
+	/***********************************************************************************/
+	/// @brief Write memory chunk onto disk.
+	/// @param fork_name The swap name to recognize this memory region.
+	/// @param fork_name_len length of fork name.
+	/// @param data the data packet.
+	/// @return Whether the swap was written to disk, or not.
+	/***********************************************************************************/
+	BOOL SwapDiskInterface::Write(const Char* fork_name, const SizeT fork_name_len, SWAP_DISK_HEADER* data)
+	{
+		if (!fork_name || !fork_name_len)
+			return NO;
+
+		if (*fork_name == 0)
+			return NO;
+
+		if (!data)
+			return NO;
+
+		FileStream file(kSwapPageFile, "wb");
+
+		auto ret = file.Write(fork_name, data, sizeof(SWAP_DISK_HEADER) + data->fBlobSz);
+
+		if (ret.Error())
+			return NO;
+
+		return YES;
+	}
+
+	/***********************************************************************************/
+	/// @brief Read memory chunk from disk.
+	/// @param fork_name The swap name to recognize this memory region.
+	/// @param fork_name_len length of fork name.
+	/// @param data the data packet length.
+	/// @return Whether the swap was fetched to disk, or not.
+	/***********************************************************************************/
+	SWAP_DISK_HEADER* SwapDiskInterface::Read(const Char* fork_name, const SizeT fork_name_len, const SizeT data_len)
+	{
+		if (!fork_name || !fork_name_len)
+			return nullptr;
+
+		if (*fork_name == 0)
+			return nullptr;
+
+		if (data_len > kSwapBlockMaxSize)
+			return nullptr;
+
+		if (data_len == 0)
+			return nullptr;
+
+		FileStream file(kSwapPageFile, "rb");
+
+		VoidPtr blob = file.Read(fork_name, sizeof(SWAP_DISK_HEADER) + data_len);
+
+		return reinterpret_cast<SWAP_DISK_HEADER*>(blob);
+	}
+} // namespace NeOS
diff --git a/dev/kernel/src/System/SwapDisk.cc b/dev/kernel/src/System/SwapDisk.cc
deleted file mode 100644
index 80c75684..00000000
--- a/dev/kernel/src/System/SwapDisk.cc
+++ /dev/null
@@ -1,53 +0,0 @@
-/* -------------------------------------------
-
-	Copyright (C) 2024-2025 Amlal EL Mahrouss Labs, all rights reserved.
-
-------------------------------------------- */
-
-#include <SystemKit/SwapDisk.h>
-#include <KernelKit/FileMgr.h>
-
-namespace NeOS
-{
-	BOOL SwapDisk::Write(const Char* fork_name, const SizeT fork_name_len, SWAP_DISK_HEADER* data, const SizeT data_len)
-	{
-		if (!fork_name || !fork_name_len)
-			return NO;
-
-		if (*fork_name == 0)
-			return NO;
-
-		if (data_len > kSwapBlockMaxSize)
-			return NO;
-
-		if (!data)
-			return NO;
-
-		FileStream file(kSwapPageFile, "wb");
-
-		auto ret = file.Write(fork_name, data, sizeof(SWAP_DISK_HEADER) + data_len);
-
-		if (ret.Error())
-			return NO;
-
-		return YES;
-	}
-
-	SWAP_DISK_HEADER* SwapDisk::Read(const Char* fork_name, const SizeT fork_name_len, const SizeT data_len)
-	{
-		if (!fork_name || !fork_name_len)
-			return nullptr;
-
-		if (*fork_name == 0)
-			return nullptr;
-
-		if (data_len > kSwapBlockMaxSize)
-			return nullptr;
-
-		FileStream file(kSwapPageFile, "rb");
-
-		VoidPtr blob = file.Read(fork_name, sizeof(SWAP_DISK_HEADER) + data_len);
-
-		return (SWAP_DISK_HEADER*)blob;
-	}
-} // namespace NeOS
diff --git a/dev/kernel/src/Variant.cc b/dev/kernel/src/Variant.cc
index cfa29d3a..7b4b0389 100644
--- a/dev/kernel/src/Variant.cc
+++ b/dev/kernel/src/Variant.cc
@@ -22,6 +22,8 @@ namespace NeOS
 			return ("Class:{Blob}");
 		case VariantKind::kNull:
 			return ("Class:{Null}");
+		case VariantKind::kSwap:
+			return ("Class:{Swap}");
 		default:
 			return ("Class:{Unknown}");
 		}