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ebd04fc2 | 1 | /** @file\r |
2 | SwitchStack() function for ARM.\r | |
3 | \r | |
9095d37b | 4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
bb817c56 HT |
5 | Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
6 | This program and the accompanying materials\r | |
ebd04fc2 | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
35a17154 | 9 | http://opensource.org/licenses/bsd-license.php.\r |
ebd04fc2 | 10 | \r |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "BaseLibInternals.h"\r | |
17 | \r | |
ea6898b9 | 18 | /**\r |
19 | Transfers control to a function starting with a new stack.\r | |
20 | \r | |
21 | This internal worker function transfers control to the function\r | |
35a17154 | 22 | specified by EntryPoint using the new stack specified by NewStack,\r |
23 | and passes in the parameters specified by Context1 and Context2.\r | |
ea6898b9 | 24 | Context1 and Context2 are optional and may be NULL.\r |
25 | The function EntryPoint must never return.\r | |
26 | \r | |
27 | @param EntryPoint The pointer to the function to enter.\r | |
28 | @param Context1 The first parameter to pass in.\r | |
29 | @param Context2 The second Parameter to pass in\r | |
30 | @param NewStack The new Location of the stack\r | |
31 | \r | |
32 | **/\r | |
7f22d351 | 33 | VOID\r |
34 | EFIAPI\r | |
35 | InternalSwitchStackAsm (\r | |
36 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
37 | IN VOID *Context1, OPTIONAL\r | |
38 | IN VOID *Context2, OPTIONAL\r | |
39 | IN VOID *NewStack\r | |
40 | );\r | |
41 | \r | |
9095d37b | 42 | \r |
ebd04fc2 | 43 | /**\r |
44 | Transfers control to a function starting with a new stack.\r | |
45 | \r | |
46 | Transfers control to the function specified by EntryPoint using the\r | |
35a17154 | 47 | new stack specified by NewStack, and passes in the parameters specified\r |
ebd04fc2 | 48 | by Context1 and Context2. Context1 and Context2 are optional and may\r |
49 | be NULL. The function EntryPoint must never return.\r | |
50 | Marker will be ignored on IA-32, x64, and EBC.\r | |
51 | IPF CPUs expect one additional parameter of type VOID * that specifies\r | |
52 | the new backing store pointer.\r | |
53 | \r | |
54 | If EntryPoint is NULL, then ASSERT().\r | |
55 | If NewStack is NULL, then ASSERT().\r | |
56 | \r | |
57 | @param EntryPoint A pointer to function to call with the new stack.\r | |
58 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
59 | function.\r | |
60 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
61 | function.\r | |
62 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
63 | function.\r | |
35a17154 | 64 | @param Marker A VA_LIST marker for the variable argument list.\r |
ebd04fc2 | 65 | \r |
66 | **/\r | |
67 | VOID\r | |
68 | EFIAPI\r | |
69 | InternalSwitchStack (\r | |
70 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
71 | IN VOID *Context1, OPTIONAL\r | |
72 | IN VOID *Context2, OPTIONAL\r | |
73 | IN VOID *NewStack,\r | |
74 | IN VA_LIST Marker\r | |
75 | )\r | |
76 | \r | |
77 | {\r | |
ebd04fc2 | 78 | InternalSwitchStackAsm (EntryPoint, Context1, Context2, NewStack);\r |
79 | }\r |