;------------------------------------------------------------------------------\r
;\r
-; Copyright (c) 2006, Intel Corporation\r
-; All rights reserved. This program and the accompanying materials\r
+; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+; This program and the accompanying materials\r
; are licensed and made available under the terms and conditions of the BSD License\r
; which accompanies this distribution. The full text of the license may be found at\r
-; http://opensource.org/licenses/bsd-license.php\r
+; http://opensource.org/licenses/bsd-license.php.\r
;\r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
;------------------------------------------------------------------------------\r
; Routine Description:\r
;\r
-; Routine for switching stacks with 1 parameter\r
+; Routine for switching stacks with 2 parameters\r
;\r
; Arguments:\r
;\r
; (rcx) EntryPoint - Entry point with new stack.\r
-; (rdx) Context - Parameter for entry point.\r
+; (rdx) Context1 - Parameter1 for entry point.\r
; (r8) Context2 - Parameter2 for entry point.\r
-; (r9) NewStack - Pointer to new stack.\r
+; (r9) NewStack - The pointer to new stack.\r
;\r
; Returns:\r
;\r
mov rax, rcx\r
mov rcx, rdx\r
mov rdx, r8\r
+ ;\r
+ ; Reserve space for register parameters (rcx, rdx, r8 & r9) on the stack,\r
+ ; in case the callee wishes to spill them.\r
+ ;\r
lea rsp, [r9 - 20h]\r
call rax\r
InternalSwitchStack ENDP\r