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authorvanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>2007-07-02 09:34:25 +0000
committervanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>2007-07-02 09:34:25 +0000
commitf1baef624fb7119c54c3389a2cd99b108ee08f0e (patch)
treed713f9ecb9bcb40f62ace27aa135db8c4b0e86e0 /MdePkg/Library/BaseLib/X64/SwitchStack.S
parent29b052646a5f5fa0b28cbe9ca6224541e688f251 (diff)
downloadedk2-platforms-f1baef624fb7119c54c3389a2cd99b108ee08f0e.tar.xz
1. Port X64, IPF and EBC arch for BaseLib
2. Port X64 arch codes for BaseMemoryLibRepStr and BaseMemoryLibSee2 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2955 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/SwitchStack.S')
-rw-r--r--MdePkg/Library/BaseLib/X64/SwitchStack.S44
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diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.S b/MdePkg/Library/BaseLib/X64/SwitchStack.S
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+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, 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.S
+#
+# Abstract:
+#
+#------------------------------------------------------------------------------
+
+
+#------------------------------------------------------------------------------
+# Routine Description:
+#
+# Routine for switching stacks with 1 parameter
+#
+# Arguments:
+#
+# (rdi) EntryPoint - Entry point with new stack.
+# (rsi) Context1 - Parameter1 for entry point.
+# (rdx) Context2 - Parameter2 for entry point.
+# (rcx) NewStack - Pointer to new stack.
+#
+# Returns:
+#
+# None
+#
+#------------------------------------------------------------------------------
+.global _InternalSwitchStack;
+_InternalSwitchStack:
+ mov %rcx, %rax
+ mov %rdx, %rcx
+ mov %r8, %rdx
+ lea -0x20(%r9), %rsp
+ call *%rax