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| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-11-16 01:11:41 +0000 |
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| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-11-16 01:11:41 +0000 |
| commit | e29e52e7c0d1cfe0de872fbb5ebe6c77bba0c30d (patch) | |
| tree | 3c6c634ac8918f94c0fa117e4e7eb3818bc5d62a /MdePkg/Library/BaseLib/X64/SwitchStack.S | |
| parent | e2136826a3d45108ec96850e6b5921a315c1c1d8 (diff) | |
| download | edk2-platforms-e29e52e7c0d1cfe0de872fbb5ebe6c77bba0c30d.tar.xz | |
Initial port to x86_64 gnu assembly.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1959 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/SwitchStack.S')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/SwitchStack.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.S b/MdePkg/Library/BaseLib/X64/SwitchStack.S new file mode 100644 index 0000000000..85cdb4306d --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/SwitchStack.S @@ -0,0 +1,44 @@ +#------------------------------------------------------------------------------ +# +# 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 |