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-rw-r--r--IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/SecCarInit.nasm46
1 files changed, 46 insertions, 0 deletions
diff --git a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/SecCarInit.nasm b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/SecCarInit.nasm
new file mode 100644
index 0000000000..df2233cf6f
--- /dev/null
+++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/SecCarInit.nasm
@@ -0,0 +1,46 @@
+;; @file
+; SEC CAR function
+;
+; Copyright (c) 2015, 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.
+;;
+
+;
+; Define assembler characteristics
+;
+
+%macro RET_ESI 0
+
+ movd esi, mm7 ; move ReturnAddress from MM7 to ESI
+ jmp esi
+
+%endmacro
+
+SECTION .text
+
+;-----------------------------------------------------------------------------
+;
+; Section: SecCarInit
+;
+; Description: This function initializes the Cache for Data, Stack, and Code
+;
+;-----------------------------------------------------------------------------
+global ASM_PFX(SecCarInit)
+ASM_PFX(SecCarInit):
+
+ ;
+ ; Set up CAR
+ ;
+
+ xor eax, eax
+
+SecCarInitExit:
+
+ RET_ESI
+