diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:00 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:49:28 +0800 |
| commit | ed1e7222d634ddc4cc55f7c5bdca308af37696c7 (patch) | |
| tree | 13d5cbf5151f3e5f9ad17b8141bd663230a68450 /MdePkg/Library | |
| parent | e3d50cc4d2807610ecb97b283b3e3d581025817c (diff) | |
| download | edk2-platforms-ed1e7222d634ddc4cc55f7c5bdca308af37696c7.tar.xz | |
MdePkg BaseLib: Convert X64/SwitchStack.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/SwitchStack.asm to X64/SwitchStack.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library')
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/SwitchStack.nasm | 51 |
2 files changed, 53 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index e3408f28e3..84c493e67e 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -437,6 +437,7 @@ X64/LongJump.asm
X64/SetJump.nasm
X64/SetJump.asm
+ X64/SwitchStack.nasm
X64/SwitchStack.asm
X64/EnableCache.asm
X64/DisableCache.asm
@@ -607,6 +608,7 @@ X86DisablePaging32.c
X64/GccInline.c | GCC
X64/Thunk16.S | XCODE
+ X64/SwitchStack.nasm| GCC
X64/SwitchStack.S | GCC
X64/SetJump.nasm| GCC
X64/SetJump.S | GCC
diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.nasm b/MdePkg/Library/BaseLib/X64/SwitchStack.nasm new file mode 100644 index 0000000000..b6fd7e0992 --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/SwitchStack.nasm @@ -0,0 +1,51 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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.
+;
+; Module Name:
+;
+; SwitchStack.Asm
+;
+; Abstract:
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; Routine Description:
+;
+; Routine for switching stacks with 2 parameters
+;
+; Arguments:
+;
+; (rcx) EntryPoint - Entry point with new stack.
+; (rdx) Context1 - Parameter1 for entry point.
+; (r8) Context2 - Parameter2 for entry point.
+; (r9) NewStack - The pointer to new stack.
+;
+; Returns:
+;
+; None
+;
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalSwitchStack)
+ASM_PFX(InternalSwitchStack):
+ mov rax, rcx
+ mov rcx, rdx
+ mov rdx, r8
+ ;
+ ; Reserve space for register parameters (rcx, rdx, r8 & r9) on the stack,
+ ; in case the callee wishes to spill them.
+ ;
+ lea rsp, [r9 - 0x20]
+ call rax
+
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