From 122681ad5bc13ceece505e030a1141d2ae76c252 Mon Sep 17 00:00:00 2001
From: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
Date: Wed, 9 Oct 2024 13:06:53 +0200
Subject: IMP: Implemented SCI Memory Manager following functions: MmFillMemory
 and MmCopyMemory.

Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
---
 dev/sci/src/sci_base.cxx |  7 -------
 dev/sci/src/sci_mm.cxx   | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 7 deletions(-)
 delete mode 100644 dev/sci/src/sci_base.cxx
 create mode 100644 dev/sci/src/sci_mm.cxx

(limited to 'dev/sci/src')

diff --git a/dev/sci/src/sci_base.cxx b/dev/sci/src/sci_base.cxx
deleted file mode 100644
index d2897cb3..00000000
--- a/dev/sci/src/sci_base.cxx
+++ /dev/null
@@ -1,7 +0,0 @@
-/* -------------------------------------------
-
-	Copyright ZKA Technologies.
-
-------------------------------------------- */
-
-#include <sci/sci_base.hxx>
diff --git a/dev/sci/src/sci_mm.cxx b/dev/sci/src/sci_mm.cxx
new file mode 100644
index 00000000..eff54501
--- /dev/null
+++ b/dev/sci/src/sci_mm.cxx
@@ -0,0 +1,52 @@
+/* -------------------------------------------
+
+	Copyright ZKA Technologies.
+
+------------------------------------------- */
+
+#include <sci/sci_base.hxx>
+
+/// @file sci_base.cxx
+/// @brief Base Memory Manager functions for SCI.dll
+
+/// @brief Debug error prompt, when a function misbehaves.
+/// @param msg 
+/// @return 
+IMPORT_C Void __RtlRaiseSoftError(const char* msg);
+
+/// @brief Copy memory region.
+IMPORT_C VoidPtr MmCopyMemory(_Input VoidPtr dest, _Input VoidPtr src, _Input SizeT len)
+{
+	if (!len ||
+		!dest ||
+		!src)
+	{
+		__RtlRaiseSoftError("Debug Error, MmCopyMemory contains one or more invalid arguments.");
+		return nullptr;
+	}
+
+	for (SizeT i = 0; i < len; i++)
+	{
+		((Char*)dest)[i] = ((Char*)src)[i];
+	}
+	
+	return dest;
+}
+
+/// @brief Fill memory region with **value**.
+IMPORT_C VoidPtr MmFillMemory(_Input VoidPtr dest, _Input SizeT len, _Input UInt8 value)
+{
+	if (!len ||
+		!dest)
+	{
+		__RtlRaiseSoftError("Debug Error, MmFillMemory contains one or more invalid arguments.");
+		return nullptr;
+	}
+
+	for (SizeT i = 0; i < len; i++)
+	{
+		((Char*)dest)[i] = value;
+	}
+	
+	return dest;
+}
-- 
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