diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm new file mode 100644 index 0000000000..db93c13a3d --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm @@ -0,0 +1,45 @@ +; Copyright (c) 2004, Intel Corporation
+; All rights reserved. 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.
+;
+; Module Name:
+;
+; SwitchStack.Asm
+;
+; Abstract:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; Routine Description:
+;
+; Routine for switching stacks with 1 parameter
+;
+; Arguments:
+;
+; (rcx) EntryPoint - Entry point with new stack.
+; (rdx) Context - Parameter for entry point.
+; (r8) Context2 - Parameter2 for entry point.
+; (r9) NewStack - Pointer to new stack.
+;
+; Returns:
+;
+; None
+;
+;------------------------------------------------------------------------------
+InternalSwitchStack PROC
+ mov rax, rcx
+ mov rcx, rdx
+ mov rdx, r8
+ lea rsp, [r9 - 20h]
+ call rax
+InternalSwitchStack ENDP
+
+ END
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