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 40 extern "C" { 41 #endif /* __cplusplus */ 42 #endif /* __cplusplus */ 43 44 #define OS_TRAP_STACK_SIZE 500 45 46 typedef 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 84 VOID HalStartToRun(VOID); 85 VOID HalTaskContextSwitch(VOID); 86 #ifndef CPU_CK804 87 VOID 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