git: port from mercurial repo.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/StorageKit/PRDT.hpp b/StorageKit/PRDT.hpp
new file mode 100644
index 00000000..152bc6f1
--- /dev/null
+++ b/StorageKit/PRDT.hpp
@@ -0,0 +1,54 @@
+/*
+ *	========================================================
+ *
+ *	hCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+#pragma once
+
+#include <KernelKit/PCI/Dma.hpp>
+#include <KernelKit/PCI/Iterator.hpp>
+
+#define PRDT_TRANSFER_SIZE (sizeof(hCore::UShort))
+
+namespace hCore
+{
+    class PRDT final
+    {
+    public:
+        PRDT() = delete;
+        explicit PRDT(const UIntPtr &physAddr);
+        ~PRDT();
+
+        PRDT &operator=(const PRDT &) = default;
+        PRDT(const PRDT &) = default;
+
+    public:
+        const UInt &Low();
+        const UShort &High();
+        const UIntPtr &PhysicalAddress();
+
+    public:
+        PRDT &operator=(const UIntPtr& prdtAddress);
+
+    public:
+        operator bool()
+        {
+            return m_PrdtAddr != 0;
+        }
+
+    private:
+        union
+        {
+            UInt m_Low;
+            UShort m_High;
+        };
+
+        UIntPtr m_PrdtAddr;
+
+    };
+
+    using PhysicalAddress = PRDT; // here
+} // namespace hCore