1 files changed, 32 insertions, 0 deletions
diff --git a/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S b/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S
new file mode 100644
index 0000000000..a32b2c60c4
--- /dev/null
+++ b/OvmfPkg/Library/QemuFwCfgLib/Ia32/IoLibExAsm.S
@@ -0,0 +1,32 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#------------------------------------------------------------------------------
+
+#------------------------------------------------------------------------------
+#  VOID
+#  EFIAPI
+#  IoReadFifo8 (
+#    IN UINTN                  Port,
+#    IN UINTN                  Size,
+#    IN VOID                   *Buffer
+#    );
+#------------------------------------------------------------------------------
+ASM_GLOBAL ASM_PFX(IoReadFifo8)
+ASM_PFX(IoReadFifo8):
+    movw    4(%esp), %dx
+    movl    8(%esp), %ecx
+    pushl   %edi
+    movl    16(%esp), %edi
+rep insb
+    popl    %edi
+    ret
+