[BOOT] Create input parameters structures.

BOOT/ENVIRON/LIB/rtl.c

@@ -0,0 +1,84 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   rtl.c
+
+Abstract:
+
+    Runtime library routines.
+
+--*/
+
+#include <nt.h>
+
+PVOID
+RtlCopyMemory (
+    PVOID Destination,
+    CONST PVOID Source,
+    ULONG Length
+    )
+
+/*++
+
+Routine Description:
+
+    Copies a block of memory from Source to Destination.
+
+Arguments:
+
+    Destination - the address to copy to.
+
+    Source - the address to copy from.
+
+    Length - the number of bytes to copy.
+
+Return Value:
+
+    Returns Destination.
+
+--*/
+
+{
+    for (ULONG Index = 0; Index < Length; Index++) {
+        ((PCHAR)Destination)[Index] = ((PCHAR)Source)[Index];
+    }
+
+    return Destination;
+}
+
+
+PVOID
+RtlZeroMemory (
+    PVOID Destination,
+    ULONG Length
+    )
+
+/*++
+
+Routine Description:
+
+    Sets a block of memory to zero.
+
+Arguments:
+
+    Destination - the address to zero at.
+
+    Length - the number of bytes to set.
+
+Return Value:
+
+    Returns Destination.
+
+--*/
+
+{
+    for (ULONG Index = 0; Index < Length; Index++) {
+        ((PCHAR)Destination)[Index] = 0;
+    }
+
+    return Destination;
+}