diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/SwitchStack.asm new file mode 100644 index 0000000..dcfafe3 --- /dev/null +++ b/EDK/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 |