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f1baef62 1/** @file\r
76d99594 2 Implementation of SetJump() and LongJump() on EBC.\r
0a6c0fd5 3\r
76d99594 4 SetJump() and LongJump() are not currently supported for the EBC processor type.\r
5 Implementation for EBC just returns 0 for SetJump(), and ASSERT() for LongJump().\r
f1baef62 6\r
bb817c56
HT
7 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
8 This program and the accompanying materials\r
f1baef62 9 are licensed and made available under the terms and conditions of the BSD License\r
10 which accompanies this distribution. The full text of the license may be found at\r
11 http://opensource.org/licenses/bsd-license.php\r
12\r
13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
15\r
f1baef62 16**/\r
1efcc4ae 17\r
47fc17d8 18#include "BaseLibInternals.h"\r
f1baef62 19\r
f1baef62 20/**\r
21 Saves the current CPU context that can be restored with a call to LongJump() and returns 0.\r
22\r
c6aa36b6 23 Saves the current CPU context in the buffer specified by JumpBuffer and returns 0. The initial\r
24 call to SetJump() must always return 0. Subsequent calls to LongJump() cause a non-zero\r
25 value to be returned by SetJump().\r
f1baef62 26\r
27 If JumpBuffer is NULL, then ASSERT().\r
28 For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().\r
29\r
30 @param JumpBuffer A pointer to CPU context buffer.\r
c6aa36b6 31\r
0a6c0fd5 32 @retval 0 Indicates a return from SetJump().\r
33\r
f1baef62 34**/\r
35UINTN\r
36EFIAPI\r
37SetJump (\r
0a6c0fd5 38 OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer\r
f1baef62 39 )\r
40{\r
41 InternalAssertJumpBuffer (JumpBuffer);\r
42 return 0;\r
43}\r
44\r
45/**\r
46 Restores the CPU context that was saved with SetJump().\r
47\r
48 Restores the CPU context from the buffer specified by JumpBuffer.\r
49 This function never returns to the caller.\r
76d99594 50 Instead it resumes execution based on the state of JumpBuffer.\r
f1baef62 51\r
52 @param JumpBuffer A pointer to CPU context buffer.\r
53 @param Value The value to return when the SetJump() context is restored.\r
54\r
55**/\r
56VOID\r
57EFIAPI\r
58InternalLongJump (\r
59 IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r
60 IN UINTN Value\r
61 )\r
62{\r
63 //\r
64 // This function cannot work on EBC\r
65 //\r
66 ASSERT (FALSE);\r
67}\r