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#include "los_config.h"
36#include "los_compiler.h"
37
38#ifdef __cplusplus
39#if __cplusplus
40extern "C" {
41#endif /* __cplusplus */
42#endif /* __cplusplus */
43
44#define OS_TRAP_STACK_SIZE  500
45
46typedef struct TagTskContext {
47    UINT32 R0;
48    UINT32 R1;
49    UINT32 R2;
50    UINT32 R3;
51    UINT32 R4;
52    UINT32 R5;
53    UINT32 R6;
54    UINT32 R7;
55    UINT32 R8;
56    UINT32 R9;
57    UINT32 R10;
58    UINT32 R11;
59    UINT32 R12;
60    UINT32 R13;
61    UINT32 R15;
62#ifdef CPU_CK804
63    UINT32 R16;
64    UINT32 R17;
65    UINT32 R18;
66    UINT32 R19;
67    UINT32 R20;
68    UINT32 R21;
69    UINT32 R22;
70    UINT32 R23;
71    UINT32 R24;
72    UINT32 R25;
73    UINT32 R26;
74    UINT32 R27;
75    UINT32 R28;
76    UINT32 R29;
77    UINT32 R30;
78    UINT32 R31;
79#endif
80    UINT32 EPSR;
81    UINT32 EPC;
82} TaskContext;
83
84VOID HalStartToRun(VOID);
85VOID HalTaskContextSwitch(VOID);
86#ifndef CPU_CK804
87VOID HalIrqEndCheckNeedSched(VOID);
88#endif
89
90#ifdef __cplusplus
91#if __cplusplus
92}
93#endif /* __cplusplus */
94#endif /* __cplusplus */
95
96#endif /* _LOS_ARCH_CONTEXT_H */
97