1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 *    conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 *    of conditions and the following disclaimer in the documentation and/or other materials
13 *    provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 *    to endorse or promote products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LOS_ARCH_CONTEXT_H
33#define _LOS_ARCH_CONTEXT_H
34
35#ifdef __cplusplus
36#if __cplusplus
37extern "C" {
38#endif /* __cplusplus */
39#endif /* __cplusplus */
40
41#define SAVED_REG_NUM                 8
42#define SPILL_WINDOW_SIZE             8
43
44typedef struct {
45    UINT32 pc;
46    UINT32 ps;
47    UINT32 regA[16];
48    UINT32 sar;
49    UINT32 excCause;
50    UINT32 excVaddr;
51    UINT32 lbeg;
52    UINT32 lend;
53    UINT32 lcount;
54#if (defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U))
55    UINT32 temp;
56    UINT16 cpenable;
57    UINT16 cpstored;
58    UINT32 fcr;
59    UINT32 fsr;
60    UINT32 regF[16];
61#endif
62    UINT32 res[4];
63} TaskContext;
64
65#ifdef __cplusplus
66#if __cplusplus
67}
68#endif /* __cplusplus */
69#endif /* __cplusplus */
70
71#endif /* _LOS_ARCH_CONTEXT_H */
72