From 031e5cce385d3f96b1caa1d53495332a7eb03749 Mon Sep 17 00:00:00 2001
From: Steve McIntyre <steve@einval.com>
Date: Tue, 23 Mar 2021 23:49:46 +0000
Subject: New upstream version 15.3

---
 gnu-efi/lib/runtime/efirtlib.c | 131 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 gnu-efi/lib/runtime/efirtlib.c

(limited to 'gnu-efi/lib/runtime/efirtlib.c')

diff --git a/gnu-efi/lib/runtime/efirtlib.c b/gnu-efi/lib/runtime/efirtlib.c
new file mode 100644
index 00000000..3e330d6a
--- /dev/null
+++ b/gnu-efi/lib/runtime/efirtlib.c
@@ -0,0 +1,131 @@
+/*++
+
+Copyright (c) 1999  Intel Corporation
+
+Module Name:
+
+    EfiRtLib.h
+
+Abstract:
+
+    EFI Runtime library functions
+
+
+
+Revision History
+
+--*/
+
+#include "efi.h"
+#include "efilib.h"
+#include "efirtlib.h"
+
+#ifndef __GNUC__
+#pragma RUNTIME_CODE(RtZeroMem)
+#endif
+VOID
+RUNTIMEFUNCTION
+RtZeroMem (
+    IN VOID     *Buffer,
+    IN UINTN     Size
+    )
+{
+    INT8        *pt;
+
+    pt = Buffer;
+    while (Size--) {
+        *(pt++) = 0;
+    }
+}
+
+#ifndef __GNUC__
+#pragma RUNTIME_CODE(RtSetMem)
+#endif
+VOID
+RUNTIMEFUNCTION
+RtSetMem (
+    IN VOID     *Buffer,
+    IN UINTN    Size,
+    IN UINT8    Value    
+    )
+{
+    INT8        *pt;
+
+    pt = Buffer;
+    while (Size--) {
+        *(pt++) = Value;
+    }
+}
+
+#ifndef __GNUC__
+#pragma RUNTIME_CODE(RtCopyMem)
+#endif
+VOID
+RUNTIMEFUNCTION
+RtCopyMem (
+    IN VOID     *Dest,
+    IN CONST VOID     *Src,
+    IN UINTN    len
+    )
+{
+    CHAR8   *d;
+    CONST CHAR8 *s = Src;
+    d = Dest;
+    while (len--) {
+        *(d++) = *(s++);
+    }
+}
+
+#ifndef __GNUC__
+#pragma RUNTIME_CODE(RtCompareMem)
+#endif
+INTN
+RUNTIMEFUNCTION
+RtCompareMem (
+    IN CONST VOID     *Dest,
+    IN CONST VOID     *Src,
+    IN UINTN    len
+    )
+{
+    CONST unsigned char    *d = Dest, *s = Src;
+    while (len--) {
+        if (*d != *s) {
+            return *d - *s;
+        }
+
+        d += 1;
+        s += 1;
+    }
+
+    return 0;
+}
+
+#ifndef __GNUC__
+#pragma RUNTIME_CODE(RtCompareGuid)
+#endif
+INTN
+RUNTIMEFUNCTION
+RtCompareGuid (
+    IN EFI_GUID     *Guid1,
+    IN EFI_GUID     *Guid2
+    )
+/*++
+
+Routine Description:
+
+    Compares to GUIDs
+
+Arguments:
+
+    Guid1       - guid to compare
+    Guid2       - guid to compare
+
+Returns:
+    = 0     if Guid1 == Guid2
+
+--*/
+{
+    return RtCompareMem(Guid1, Guid2, sizeof(*Guid1));
+}
+
+
-- 
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