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ebd04fc2 | 1 | ;------------------------------------------------------------------------------ \r |
2 | ;\r | |
bb817c56 HT |
3 | ; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
4 | ; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
5 | ; This program and the accompanying materials\r | |
ebd04fc2 | 6 | ; are licensed and made available under the terms and conditions of the BSD License\r |
7 | ; which accompanies this distribution. The full text of the license may be found at\r | |
35a17154 | 8 | ; http://opensource.org/licenses/bsd-license.php.\r |
ebd04fc2 | 9 | ;\r |
10 | ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | ;\r | |
13 | ;------------------------------------------------------------------------------\r | |
01a54966 | 14 | \r |
ebd04fc2 | 15 | EXPORT InternalSwitchStackAsm\r |
16 | \r | |
17 | AREA Switch_Stack, CODE, READONLY\r | |
01a54966 | 18 | \r |
ebd04fc2 | 19 | ;/**\r |
20 | ; This allows the caller to switch the stack and goes to the new entry point\r | |
21 | ;\r | |
2fc59a00 | 22 | ; @param EntryPoint The pointer to the location to enter\r |
ebd04fc2 | 23 | ; @param Context Parameter to pass in\r |
24 | ; @param Context2 Parameter2 to pass in\r | |
25 | ; @param NewStack New Location of the stack\r | |
26 | ;\r | |
27 | ; @return Nothing. Goes to the Entry Point passing in the new parameters\r | |
28 | ;\r | |
29 | ;**/\r | |
30 | ;VOID\r | |
31 | ;EFIAPI\r | |
32 | ;InternalSwitchStackAsm (\r | |
33 | ; SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
34 | ; VOID *Context,\r | |
35 | ; VOID *Context2,\r | |
36 | ; VOID *NewStack\r | |
37 | ; );\r | |
38 | ;\r | |
39 | InternalSwitchStackAsm\r | |
40 | MOV LR, R0\r | |
41 | MOV SP, R3\r | |
42 | MOV R0, R1\r | |
43 | MOV R1, R2\r | |
44 | BX LR\r | |
45 | END\r |